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humainflow-service
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This commit is contained in:
Lucio Lelii 2025-03-27 11:38:06 +01:00
commit d3e7922e38
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/mvnw text eol=lf
*.cmd text eol=crlf

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HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/

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.mvn/wrapper/maven-wrapper.properties vendored Normal file
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
wrapperVersion=3.3.2
distributionType=only-script
distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

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#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Apache Maven Wrapper startup batch script, version 3.3.2
#
# Optional ENV vars
# -----------------
# JAVA_HOME - location of a JDK home dir, required when download maven via java source
# MVNW_REPOURL - repo url base for downloading maven distribution
# MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
# MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output
# ----------------------------------------------------------------------------
set -euf
[ "${MVNW_VERBOSE-}" != debug ] || set -x
# OS specific support.
native_path() { printf %s\\n "$1"; }
case "$(uname)" in
CYGWIN* | MINGW*)
[ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"
native_path() { cygpath --path --windows "$1"; }
;;
esac
# set JAVACMD and JAVACCMD
set_java_home() {
# For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
if [ -n "${JAVA_HOME-}" ]; then
if [ -x "$JAVA_HOME/jre/sh/java" ]; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
JAVACCMD="$JAVA_HOME/jre/sh/javac"
else
JAVACMD="$JAVA_HOME/bin/java"
JAVACCMD="$JAVA_HOME/bin/javac"
if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then
echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2
echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2
return 1
fi
fi
else
JAVACMD="$(
'set' +e
'unset' -f command 2>/dev/null
'command' -v java
)" || :
JAVACCMD="$(
'set' +e
'unset' -f command 2>/dev/null
'command' -v javac
)" || :
if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then
echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2
return 1
fi
fi
}
# hash string like Java String::hashCode
hash_string() {
str="${1:-}" h=0
while [ -n "$str" ]; do
char="${str%"${str#?}"}"
h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296))
str="${str#?}"
done
printf %x\\n $h
}
verbose() { :; }
[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }
die() {
printf %s\\n "$1" >&2
exit 1
}
trim() {
# MWRAPPER-139:
# Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds.
# Needed for removing poorly interpreted newline sequences when running in more
# exotic environments such as mingw bash on Windows.
printf "%s" "${1}" | tr -d '[:space:]'
}
# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties
while IFS="=" read -r key value; do
case "${key-}" in
distributionUrl) distributionUrl=$(trim "${value-}") ;;
distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;;
esac
done <"${0%/*}/.mvn/wrapper/maven-wrapper.properties"
[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in ${0%/*}/.mvn/wrapper/maven-wrapper.properties"
case "${distributionUrl##*/}" in
maven-mvnd-*bin.*)
MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/
case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in
*AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;;
:Darwin*x86_64) distributionPlatform=darwin-amd64 ;;
:Darwin*arm64) distributionPlatform=darwin-aarch64 ;;
:Linux*x86_64*) distributionPlatform=linux-amd64 ;;
*)
echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2
distributionPlatform=linux-amd64
;;
esac
distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip"
;;
maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;;
*) MVN_CMD="mvn${0##*/mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;;
esac
# apply MVNW_REPOURL and calculate MAVEN_HOME
# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}"
distributionUrlName="${distributionUrl##*/}"
distributionUrlNameMain="${distributionUrlName%.*}"
distributionUrlNameMain="${distributionUrlNameMain%-bin}"
MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"
exec_maven() {
unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
}
if [ -d "$MAVEN_HOME" ]; then
verbose "found existing MAVEN_HOME at $MAVEN_HOME"
exec_maven "$@"
fi
case "${distributionUrl-}" in
*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;
*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
esac
# prepare tmp dir
if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
trap clean HUP INT TERM EXIT
else
die "cannot create temp dir"
fi
mkdir -p -- "${MAVEN_HOME%/*}"
# Download and Install Apache Maven
verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
verbose "Downloading from: $distributionUrl"
verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
# select .zip or .tar.gz
if ! command -v unzip >/dev/null; then
distributionUrl="${distributionUrl%.zip}.tar.gz"
distributionUrlName="${distributionUrl##*/}"
fi
# verbose opt
__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR=''
[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v
# normalize http auth
case "${MVNW_PASSWORD:+has-password}" in
'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;
has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;
esac
if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then
verbose "Found wget ... using wget"
wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl"
elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then
verbose "Found curl ... using curl"
curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl"
elif set_java_home; then
verbose "Falling back to use Java to download"
javaSource="$TMP_DOWNLOAD_DIR/Downloader.java"
targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName"
cat >"$javaSource" <<-END
public class Downloader extends java.net.Authenticator
{
protected java.net.PasswordAuthentication getPasswordAuthentication()
{
return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() );
}
public static void main( String[] args ) throws Exception
{
setDefault( new Downloader() );
java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
}
}
END
# For Cygwin/MinGW, switch paths to Windows format before running javac and java
verbose " - Compiling Downloader.java ..."
"$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java"
verbose " - Running Downloader.java ..."
"$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
fi
# If specified, validate the SHA-256 sum of the Maven distribution zip file
if [ -n "${distributionSha256Sum-}" ]; then
distributionSha256Result=false
if [ "$MVN_CMD" = mvnd.sh ]; then
echo "Checksum validation is not supported for maven-mvnd." >&2
echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
exit 1
elif command -v sha256sum >/dev/null; then
if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c >/dev/null 2>&1; then
distributionSha256Result=true
fi
elif command -v shasum >/dev/null; then
if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then
distributionSha256Result=true
fi
else
echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
exit 1
fi
if [ $distributionSha256Result = false ]; then
echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2
echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2
exit 1
fi
fi
# unzip and move
if command -v unzip >/dev/null; then
unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip"
else
tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"
fi
printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/mvnw.url"
mv -- "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME"
clean || :
exec_maven "$@"

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<# : batch portion
@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM http://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Apache Maven Wrapper startup batch script, version 3.3.2
@REM
@REM Optional ENV vars
@REM MVNW_REPOURL - repo url base for downloading maven distribution
@REM MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
@REM MVNW_VERBOSE - true: enable verbose log; others: silence the output
@REM ----------------------------------------------------------------------------
@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0)
@SET __MVNW_CMD__=
@SET __MVNW_ERROR__=
@SET __MVNW_PSMODULEP_SAVE=%PSModulePath%
@SET PSModulePath=
@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @(
IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B)
)
@SET PSModulePath=%__MVNW_PSMODULEP_SAVE%
@SET __MVNW_PSMODULEP_SAVE=
@SET __MVNW_ARG0_NAME__=
@SET MVNW_USERNAME=
@SET MVNW_PASSWORD=
@IF NOT "%__MVNW_CMD__%"=="" (%__MVNW_CMD__% %*)
@echo Cannot start maven from wrapper >&2 && exit /b 1
@GOTO :EOF
: end batch / begin powershell #>
$ErrorActionPreference = "Stop"
if ($env:MVNW_VERBOSE -eq "true") {
$VerbosePreference = "Continue"
}
# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties
$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl
if (!$distributionUrl) {
Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
}
switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) {
"maven-mvnd-*" {
$USE_MVND = $true
$distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip"
$MVN_CMD = "mvnd.cmd"
break
}
default {
$USE_MVND = $false
$MVN_CMD = $script -replace '^mvnw','mvn'
break
}
}
# apply MVNW_REPOURL and calculate MAVEN_HOME
# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
if ($env:MVNW_REPOURL) {
$MVNW_REPO_PATTERN = if ($USE_MVND) { "/org/apache/maven/" } else { "/maven/mvnd/" }
$distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace '^.*'+$MVNW_REPO_PATTERN,'')"
}
$distributionUrlName = $distributionUrl -replace '^.*/',''
$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$',''
$MAVEN_HOME_PARENT = "$HOME/.m2/wrapper/dists/$distributionUrlNameMain"
if ($env:MAVEN_USER_HOME) {
$MAVEN_HOME_PARENT = "$env:MAVEN_USER_HOME/wrapper/dists/$distributionUrlNameMain"
}
$MAVEN_HOME_NAME = ([System.Security.Cryptography.MD5]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join ''
$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME"
if (Test-Path -Path "$MAVEN_HOME" -PathType Container) {
Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME"
Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"
exit $?
}
if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) {
Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl"
}
# prepare tmp dir
$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile
$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir"
$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null
trap {
if ($TMP_DOWNLOAD_DIR.Exists) {
try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
}
}
New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null
# Download and Install Apache Maven
Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
Write-Verbose "Downloading from: $distributionUrl"
Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
$webclient = New-Object System.Net.WebClient
if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) {
$webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD)
}
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null
# If specified, validate the SHA-256 sum of the Maven distribution zip file
$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum
if ($distributionSha256Sum) {
if ($USE_MVND) {
Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties."
}
Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash
if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) {
Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property."
}
}
# unzip and move
Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null
Rename-Item -Path "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" -NewName $MAVEN_HOME_NAME | Out-Null
try {
Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null
} catch {
if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) {
Write-Error "fail to move MAVEN_HOME"
}
} finally {
try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
}
Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.4.4</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>it.cnr.isti</groupId>
<artifactId>workflow-manager</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>workflow-manager</name>
<description>Workflow server project</description>
<url />
<licenses>
<license />
</licenses>
<developers>
<developer />
</developers>
<scm>
<connection />
<developerConnection />
<tag />
<url />
</scm>
<properties>
<java.version>21</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<!-- PostgreSQL database -->
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.json/json -->
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20250107</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<annotationProcessorPaths>
<path>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</path>
</annotationProcessorPaths>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
</project>

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src/main/java/it/cnr/isti/workflow/manager/ServletInitializer.java Normal file
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package it.cnr.isti.workflow.manager;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
public class ServletInitializer extends SpringBootServletInitializer {
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(WorkflowManagerApplication.class);
}
}

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src/main/java/it/cnr/isti/workflow/manager/TransformerService.java Normal file
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package it.cnr.isti.workflow.manager;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Stream;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import it.cnr.isti.workflow.manager.executors.ExecutionObject;
import it.cnr.isti.workflow.manager.executors.Executor;
import it.cnr.isti.workflow.manager.model.ExecutionStep;
import it.cnr.isti.workflow.manager.model.types.NodeDefinition;
import it.cnr.isti.workflow.manager.model.ui.Connection;
import it.cnr.isti.workflow.manager.model.ui.Flow;
import it.cnr.isti.workflow.manager.model.ui.IOModel;
import it.cnr.isti.workflow.manager.model.ui.Node;
import it.cnr.isti.workflow.manager.repositories.NodeDefinitionRepository;
@Service
public class TransformerService {
private static final Logger log = org.slf4j.LoggerFactory.getLogger(TransformerService.class);
@Autowired
Map<String, Executor> executors;
@Autowired
NodeDefinitionRepository nodeDefinitionRepository;
private ExecutionObject execObject;
ExecutionObject transform(Flow flow) {
execObject = new ExecutionObject();
execObject.setStartStep(createStep(flow, null, flow.getStartNode(), null));
return execObject;
}
private ExecutionStep createStep(Flow flow, ExecutionStep parent, String nodeId, Map<String, String> mappingNodeOutputNameToChildInputName ) {
//TODO: cosa succede se ho input da più nodi in un solo nodo ? devo tenere traccia dei nodi già visitati e non ricreare lo step ma aggiungerlo solamente ai previous steps
Node node = flow.getNodes().stream().filter(n -> n.getKey().equals(nodeId)).findFirst()
.orElseThrow(() -> new RuntimeException("node "+nodeId+" not found"));
// prendo tutte le gli id in uscita dal nodo
List<IOModel> outputs = node.getOutputs();
//prende l'executor per il tipo di nodo
NodeDefinition nodeDefinition = nodeDefinitionRepository.findById(node.getType()).orElseThrow(() -> new RuntimeException("Node definition not found for node type: " + node.getType()));
if (!executors.containsKey(nodeDefinition.getExecutor()))
throw new IllegalArgumentException("Executor not found for node type: " + node.getType());
ExecutionStep step = ExecutionStep.builder().id(node.getKey()).executor(executors.get(nodeDefinition.getExecutor()))
.runtimeParameters(node.getParameters()).nodeDefinition(nodeDefinition).build();
if (parent == null){ // se è il primo step devo settare il mapping degli input
Map<String, String> mappingInputName = new HashMap<>();
nodeDefinition.getInputs().forEach((k,v) -> mappingInputName.put(k, k));
log.debug("setting {} to step {}", mappingInputName, step.getId());
step.setParentOutputsToInputMapping(mappingInputName);
} else {
step.setParentOutputsToInputMapping(mappingNodeOutputNameToChildInputName);
}
if (!nodeId.equals(flow.getEndNode())) {
// mantiene il mapping tra nome output del nodo inviante e nome input del nodo ricevente
Map<String, String> currentMappingNodeOutputNameToChildInputName = new HashMap<>();
List<Node> childNodes = new ArrayList<>();
for (IOModel output : outputs){
for (Connection connection : flow.getConnections()){
if (!connection.getFrom().equals(output.getKey())) continue;
String inputId = connection.getTo();
Node nodeFound = flow.getNodes().stream().filter(n -> n.getInputs().stream().anyMatch(i -> i.getKey().equals(inputId))).findFirst().orElseThrow(() -> new RuntimeException("node "+inputId+" not found"));
//prendo il nome dell'input e lo mappo con l'output
IOModel input = nodeFound.getInputs().stream().filter(i -> i.getKey().equals(inputId)).findFirst().orElseThrow(() -> new RuntimeException("input "+inputId+" not found"));
currentMappingNodeOutputNameToChildInputName.put(output.getName(), input.getName());
childNodes.add(nodeFound);
}
}
//creo ricorsivamente i prossimi step
step.getNextSteps().addAll(childNodes.stream().map(n -> createStep(flow, step, n.getKey(), currentMappingNodeOutputNameToChildInputName)).toList());
} else
execObject.setEndStep(step);
return step;
}
}

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package it.cnr.isti.workflow.manager;
import java.util.List;
import org.json.JSONObject;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.context.annotation.Bean;
import it.cnr.isti.workflow.manager.model.types.Key;
import it.cnr.isti.workflow.manager.model.types.NodeDefinition;
import it.cnr.isti.workflow.manager.model.types.ParameterDefinition;
import it.cnr.isti.workflow.manager.model.types.ParameterType;
import it.cnr.isti.workflow.manager.model.types.Translator;
import it.cnr.isti.workflow.manager.model.types.Validation;
import it.cnr.isti.workflow.manager.repositories.NodeDefinitionRepository;
@SpringBootApplication
public class WorkflowManagerApplication {
public static void main(String[] args) {
SpringApplication.run(WorkflowManagerApplication.class, args);
}
@Bean
@ConditionalOnProperty(prefix = "app", name = "db.init.enabled", havingValue = "true")
CommandLineRunner init(NodeDefinitionRepository repository) {
return args -> {
NodeDefinition defectDetection = NodeDefinition.builder().type("DefectDetection").name("defect detection")
.executor("GENERIC-AI").category("DefectDetection").input("file","CSV").output("file","CSV")
.build();
JSONObject rPars = new JSONObject().put("options",
List.of(new JSONObject().put("key", "1").put("value", "ChatGpt"),
new JSONObject().put("key", "2").put("value", "LLama")));
ParameterDefinition rgParams = ParameterDefinition.builder().name("LLM").type(ParameterType.Select)
.label("Select the LLM to use").description("The LLM to use for generating requirements")
.validation(Validation.builder().name("required").validator("required").build())
.specificAttributes(rPars).build();
NodeDefinition requirementGeneration = NodeDefinition.builder().type("RequirementGeneration")
.executor("GENERIC-AI").name("requirement generation").category("RequirementGeneration")
.input("file","CSV").output("file","CSV")
.runtimeParameter("LLM", rgParams).build();
/*ParameterDefinition phraseParam = ParameterDefinition.builder().name("phrase").type(ParameterType.Input)
.label("Phrase").description("The prhase to translate")
.validation(Validation.builder().name("required").validator("required").build())
.build(); */
JSONObject languageOptions = new JSONObject().put("options",
List.of(new JSONObject().put("key", "1").put("value", "French"),
new JSONObject().put("key", "2").put("value", "English")));
ParameterDefinition langParam = ParameterDefinition.builder().name("language").type(ParameterType.Select)
.label("Language").description("The language to translate to")
.validation(Validation.builder().name("required").validator("required").build())
.specificAttributes(languageOptions).build();
Translator inputTranslator = Translator.builder().usedKey(Key.inputKey("phrase")).usedKey(Key.runtimeKey("language"))
.translation("translate the following phrase ${{phrase}} to ${{language}} returning only the translated").build();
NodeDefinition translator = NodeDefinition.builder().type("Translator")
.executor("GENERIC-AI").name("translator").category("TRANSLATOR")
.input("phrase","Text").output("translated","Text")
.runtimeParameter("LLM", rgParams).runtimeParameter("language", langParam)
.executorToOutputTraslationMapping("response", "translated")
.inputTranslator("prompt", inputTranslator).build();
repository.save(defectDetection);
repository.save(requirementGeneration);
repository.save(translator);
};
}
}

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package it.cnr.isti.workflow.manager.controllers;
import java.util.List;
import java.util.stream.StreamSupport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import it.cnr.isti.workflow.manager.model.ui.Flow;
import it.cnr.isti.workflow.manager.model.ui.FlowEntity;
import it.cnr.isti.workflow.manager.repositories.FlowRepository;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.GetMapping;
@RestController
@CrossOrigin(origins = "http://localhost:4200")
@RequestMapping("/flows")
public class FlowsController {
private static final Logger logger = LoggerFactory.getLogger(FlowsController.class);
@Autowired
FlowRepository flowRepository;
@PostMapping(consumes = "application/json")
public Flow createFlow(@RequestBody Flow flow) {
FlowEntity flowEntity = FlowEntity.builder().flow(flow).build();
FlowEntity savedFlow = flowRepository.save(flowEntity);
savedFlow.getFlow().setId(savedFlow.getId());
flowRepository.save(flowEntity);
logger.info("flow created {}", savedFlow.getId());
return savedFlow.getFlow();
}
@PutMapping(path = "{id}", consumes = "application/json")
public Flow saveFlow(@PathVariable String id, @RequestBody Flow flow) {
if (!id.equals(flow.getId()))
throw new IllegalArgumentException("Flow id does not match");
FlowEntity savedFlow = flowRepository.findById(id).orElseThrow(() -> new IllegalArgumentException("Flow not found"));
savedFlow.setFlow(flow);
savedFlow = flowRepository.save(savedFlow);
logger.info("Flow saved: {} ",savedFlow.getId());
return savedFlow.getFlow();
}
@GetMapping()
public List<Flow> getAllFlows() {
Iterable<FlowEntity> flowEntities = flowRepository.findAll();
return StreamSupport.stream(flowEntities.spliterator(), false).map(FlowEntity::getFlow).toList();
}
@GetMapping("{id}")
public Flow getFlow(@PathVariable String id) {
FlowEntity flowEntity = flowRepository.findById(id).orElseThrow(() -> new IllegalArgumentException("Flow not found"));
return flowEntity.getFlow();
}
}

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package it.cnr.isti.workflow.manager.controllers;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import it.cnr.isti.workflow.manager.model.types.NodeDefinition;
import it.cnr.isti.workflow.manager.repositories.NodeDefinitionRepository;
@RestController
@CrossOrigin(origins = "http://localhost:4200")
@RequestMapping("/types")
public class NodeDefinitionController {
@Autowired
private NodeDefinitionRepository repository;
@GetMapping("/nodes")
public List<NodeDefinition> getNodes() {
return (List<NodeDefinition>) repository.findAll();
}
@PostMapping("/nodes")
void addNode(@RequestBody NodeDefinition node) {
repository.save(node);
}
}

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src/main/java/it/cnr/isti/workflow/manager/executors/ExecutionObject.java Normal file
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package it.cnr.isti.workflow.manager.executors;
import it.cnr.isti.workflow.manager.model.ExecutionStep;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@NoArgsConstructor
public class ExecutionObject {
ExecutionStep startStep;
ExecutionStep endStep;
}

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src/main/java/it/cnr/isti/workflow/manager/executors/Executor.java Normal file
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package it.cnr.isti.workflow.manager.executors;
import java.util.Map;
public interface Executor {
Map<String,Object> execute(Map<String, Object> userParameters, Map<String,Object> preExecutionParameters, Map<String, Object> inputsFromParent);
Map<String, Class<?>> getRequiredPreExecutionParameters(Map<String, Object> userParameters);
String getName();
}

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src/main/java/it/cnr/isti/workflow/manager/executors/ai/AIModel.java Normal file
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package it.cnr.isti.workflow.manager.executors.ai;
import java.util.Map;
public interface AIModel {
String getName();
String getDescription();
String executePrompt(Map<String, Object> parameters, String prompt);
public Map<String, Class<?>> getRequiredPreExecutionParameters();
}

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src/main/java/it/cnr/isti/workflow/manager/executors/ai/GeminiModel.java Normal file
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package it.cnr.isti.workflow.manager.executors.ai;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import it.cnr.isti.workflow.manager.executors.ai.services.GeminiService;
@Service("google-gemini")
public class GeminiModel implements AIModel {
private static final Logger log = org.slf4j.LoggerFactory.getLogger(GeminiModel.class);
private GeminiService geminiService;
GeminiModel(@Autowired GeminiService geminiService) {
this.geminiService = geminiService;
}
@Override
public String getName() {
return "Gemini";
}
@Override
public String getDescription() {
return "Gemini is an LLM model provided by Google";
}
@Override
public String executePrompt(Map<String, Object> parameters, String prompt) {
geminiService.setApiKey("***REMOVED-API-KEY***");
String result = geminiService.getResponse(prompt).block();
log.debug("google gemini called with result {}",result);
result = parseResponse(result);
log.debug("post parsing: {}",result);
return result;
}
private String parseResponse(String response) {
Pattern pattern = Pattern.compile("\"text\"\\s*:\\s*\"(.*?)\"");
Matcher matcher = pattern.matcher(response);
if (matcher.find()) {
return matcher.group(1); // Estratto il testo
}
return response;
}
@Override
public Map<String, Class<?>> getRequiredPreExecutionParameters() {
return Map.of("API-KEY", String.class);
}
/*
@Override
public Map<String, Object> execute(Map<String, Object> userParameters, Map<String, Object> preExecutionParameters,
Map<String, Object> inputsFromParent) {
String returnString = (String)executePrompt(preExecutionParameters, (String) inputsFromParent.get("prompt"));
return Map.of("response", returnString);
}*/
}

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src/main/java/it/cnr/isti/workflow/manager/executors/ai/GenericAIExecutor.java Normal file
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package it.cnr.isti.workflow.manager.executors.ai;
import java.util.Map;
import java.util.Objects;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import it.cnr.isti.workflow.manager.executors.Executor;
import lombok.ToString;
@Service("GENERIC-AI")
@ToString(of = {"name"})
public class GenericAIExecutor implements Executor {
//EVERY executor in ai model must return a Map<String, Object> with the key "response" and the value of the response
private static final String name = "Generic AI Executor";
@Autowired
private Map<String,AIModel> aiModels;
public Map<String,AIModel> getAvaiableAIModels() {
return aiModels;
}
@Override
public Map<String, Object> execute(Map<String, Object> userParameters, Map<String, Object> preExecutionParameters,
Map<String, Object> inputsFromParent) {
Objects.requireNonNull(userParameters.get("LLM"), "'LLM' parameter is required for 'GENERIC-AI' executor");
Objects.requireNonNull(aiModels.get(userParameters.get("LLM")), "AI model not found: " + userParameters.get("LLM"));
AIModel aiModel = aiModels.get(userParameters.get("LLM"));
String prompt = (String) inputsFromParent.get("prompt");
String result = aiModel.executePrompt(userParameters, prompt);
return Map.of("response", result);
}
@Override
public String getName() {
return name;
}
@Override
public Map<String, Class<?>> getRequiredPreExecutionParameters(Map<String, Object> userParameters) {
Objects.requireNonNull(userParameters.get("LLM"), "'LLM' parameter is required for 'GENERIC-AI' executor");
Objects.requireNonNull(aiModels.get(userParameters.get("LLM")), "AI model not found: " + userParameters.get("LLM"));
return aiModels.get(userParameters.get("LLM")).getRequiredPreExecutionParameters();
}
/*
@Override
public String onExecute(Map<String, Object> parameters, Map<String, Object> executorSpecificParameters,
String payload) {
return "AI Executor: " + payload;
}
@Override
public boolean areParametersValid(Map<String, Object> parameters) {
return parameters != null && parameters.containsKey("model") && aiModels.containsKey(parameters.get("model"));
}
@Override
public String mapsGenericInputsToPayload(Map<String, Object> parameters) {
return (String) parameters.get("prompt");
}
@Override
public Map<String, Class<?>> getExecutorSpecificParametersName() {
return Map.of("model", String.class);
} */
}

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package it.cnr.isti.workflow.manager.executors.ai.services;
import org.springframework.web.reactive.function.client.WebClient;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Mono;
import java.util.List;
import java.util.Map;
import java.util.Objects;
@Service
public class GeminiService {
private final WebClient.Builder webClientBuilder;
private String apiKey;
private static final String GEMINI_URL = "https://generativelanguage.googleapis.com/";
public GeminiService(WebClient.Builder webClientBuilder) {
this.webClientBuilder = webClientBuilder;
}
public void setApiKey(String apiKey) {
this.apiKey = apiKey;
}
public Mono<String> getResponse(String prompt) {
Objects.requireNonNull(prompt, "Il prompt non può essere null");
Map<String, Object> requestBody = Map.of(
"contents", List.of( // Usa List.of invece di new Object[]
Map.of(
"role", "user",
"parts", List.of(Map.of("text", prompt)) // Usa List.of per "parts"
)));
WebClient webClient = webClientBuilder.baseUrl(GEMINI_URL).build();
Mono<String> result = webClient.post()
.uri(uriBuilder -> uriBuilder.path("v1beta/models/gemini-2.0-flash:generateContent")
.queryParam("key", apiKey)
.build())
.contentType(MediaType.APPLICATION_JSON)
.bodyValue(requestBody)
.retrieve()
.bodyToMono(String.class);
return result;
}
}

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package it.cnr.isti.workflow.manager.model;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.slf4j.Logger;
import it.cnr.isti.workflow.manager.executors.Executor;
import it.cnr.isti.workflow.manager.model.types.Key;
import it.cnr.isti.workflow.manager.model.types.NodeDefinition;
import it.cnr.isti.workflow.manager.model.types.Translator;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NonNull;
import lombok.ToString;
@Data
@AllArgsConstructor
@ToString
public class ExecutionStep implements InputReadyListener {
private static final Logger log = org.slf4j.LoggerFactory.getLogger(ExecutionStep.class);
String id;
Map<String, Object> runtimeParameters;
Map<String, Object> fixedParameters;
Executor executor;
Map<String, String> parentOutputsToInputMapping;
Map<String, Object> inputs = new HashMap<>();
List<InputReadyListener> nextSteps = new ArrayList<>();
List<ExecutionStep> previouSteps = new ArrayList<>();
@NonNull
NodeDefinition nodeDefinition;
@Builder
public ExecutionStep(String id, Map<String, Object> runtimeParameters, Map<String, Object> fixedParameters,
NodeDefinition nodeDefinition,
Executor executor) {
this.id = id;
this.runtimeParameters = runtimeParameters;
this.fixedParameters = fixedParameters;
this.executor = executor;
this.nodeDefinition = nodeDefinition;
}
@Override
public void inputReady(String inputKey, Object inputValue) {
log.debug("Input ready for step {} with key {} and value {}", id, inputKey, inputValue);
parentOutputsToInputMapping.forEach((k,v) -> log.debug("mapping {} -> {}", k, v));
if (parentOutputsToInputMapping.containsKey(inputKey)) {
inputs.put(parentOutputsToInputMapping.get(inputKey), inputValue);
if (areAllInputsReady()) {
log.debug("all inputs ready for step {}", id);
Map<String, Object> realInputs = new HashMap<>();
Set<String> keys = new HashSet<>(inputs.keySet());
if (nodeDefinition.getInputTranslators() != null) {
log.debug("translators {}", nodeDefinition.getInputTranslators().size());
for (Map.Entry<String, Translator> entry : nodeDefinition.getInputTranslators().entrySet()) {
String translation = entry.getValue().getTranslation();
for (Key usedKey : entry.getValue().getUsedKeys()) {
String valueToReplace = "";
switch (usedKey.getType()) {
case Key.Type.RUNTIME:
valueToReplace = (String) this.runtimeParameters.get(usedKey.getKey());
break;
default:
valueToReplace = (String) inputs.get(usedKey.getKey());
keys.remove(usedKey.getKey());
break;
}
translation = translation.replace(String.format("${{%s}}", usedKey.getKey()), valueToReplace);
log.debug("replacing used key {} value {}", usedKey.getKey(), valueToReplace);
}
realInputs.put(entry.getKey(), translation);
}
keys.forEach(k -> realInputs.put(k, inputs.get(k)));
} else
realInputs.putAll(inputs);
log.debug("input translation for step {} is {}", id, realInputs);
Map<String, Object> returned = executor.execute(this.runtimeParameters, null, realInputs);
for (InputReadyListener nextStep : nextSteps)
for (Map.Entry<String, Object> entry : returned.entrySet())
nextStep.inputReady(!nodeDefinition.getExecutorToOutputTraslationMappings().isEmpty()
? nodeDefinition.getExecutorToOutputTraslationMappings().get(entry.getKey())
: entry.getKey(), entry.getValue());
} else {
log.debug("inputs not ready for step {}", id);
}
}
};
boolean areAllInputsReady() {
return inputs.size() == parentOutputsToInputMapping.size();
}
}

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src/main/java/it/cnr/isti/workflow/manager/model/InputReadyListener.java Normal file
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package it.cnr.isti.workflow.manager.model;
public interface InputReadyListener {
void inputReady(String key, Object value);
}

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src/main/java/it/cnr/isti/workflow/manager/model/types/Key.java Normal file
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package it.cnr.isti.workflow.manager.model.types;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Key {
public static Key runtimeKey(String key){
return new Key(key, Type.RUNTIME);
}
public static Key inputKey(String key){
return new Key(key, Type.STANDARD);
}
String key;
Type type;
public enum Type {
RUNTIME,
STANDARD
}
}

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src/main/java/it/cnr/isti/workflow/manager/model/types/NodeDefinition.java Normal file
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package it.cnr.isti.workflow.manager.model.types;
import java.util.List;
import java.util.Map;
import it.cnr.isti.workflow.manager.repositories.InputTranslatorConverter;
import it.cnr.isti.workflow.manager.repositories.MapsConverter;
import jakarta.persistence.Column;
import jakarta.persistence.Convert;
import jakarta.persistence.Embedded;
import jakarta.persistence.Entity;
import jakarta.persistence.Id;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import lombok.Singular;
@Entity
@Data
@AllArgsConstructor
@NoArgsConstructor
@Builder
public class NodeDefinition {
@Id
@NonNull
private String type;
@NonNull
private String name;
@NonNull
private String category;
@NonNull
private String executor;
@Singular
@Convert(converter = MapsConverter.class)
@Column(columnDefinition = "TEXT")
private Map<String, ParameterDefinition> fixedParameters;
@Singular
@Convert(converter = MapsConverter.class)
@Column(columnDefinition = "TEXT")
private Map<String, ParameterDefinition> runtimeParameters;
@Singular
@Convert(converter = MapsConverter.class)
@Column(columnDefinition = "TEXT")
private Map<String, String> inputs;
@Singular
@Convert(converter = MapsConverter.class)
@Column(columnDefinition = "TEXT")
private Map<String, String> outputs;
//contains the mapping of the result of the execution with the output of the node
@Singular
@Convert(converter = MapsConverter.class)
@Column(columnDefinition = "TEXT")
private Map<String, String> executorToOutputTraslationMappings;
@Singular
@Convert(converter = InputTranslatorConverter.class)
@Column(columnDefinition = "TEXT")
private Map<String, Translator> inputTranslators;
}

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src/main/java/it/cnr/isti/workflow/manager/model/types/ParameterDefinition.java Normal file
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package it.cnr.isti.workflow.manager.model.types;
import java.io.IOException;
import java.util.List;
import org.json.JSONObject;
import com.fasterxml.jackson.core.JacksonException;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import lombok.Singular;
@Builder
@Data
@NoArgsConstructor
@AllArgsConstructor
public class ParameterDefinition {
@NonNull
private String name;
@NonNull
private String label;
private String description;
@NonNull
private ParameterType type;
@Singular
private List<Validation> validations;
@JsonDeserialize(using = JsonObjectDeserializer.class)
@JsonSerialize(using = JsonObjectSerializer.class)
private JSONObject specificAttributes;
}
class JsonObjectDeserializer extends JsonDeserializer<JSONObject> {
@Override
public JSONObject deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JacksonException {
return new JSONObject(p.readValueAsTree().toString());
}
}
class JsonObjectSerializer extends JsonSerializer<JSONObject> {
@Override
public void serialize(JSONObject value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
gen.writeRawValue(value.toString());
}
}

7
src/main/java/it/cnr/isti/workflow/manager/model/types/ParameterType.java Normal file
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package it.cnr.isti.workflow.manager.model.types;
public enum ParameterType {
Select,
Input
}

32
src/main/java/it/cnr/isti/workflow/manager/model/types/Translator.java Normal file
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package it.cnr.isti.workflow.manager.model.types;
import java.util.List;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import lombok.Singular;
@Data
@AllArgsConstructor
@NoArgsConstructor
@Builder
public class Translator {
@Singular
@NonNull
List<Key> usedKeys;
@NonNull
String translation;
public String toString() {
return "Translator(usedKeys=" + this.getUsedKeys() + ", translation=" + this.getTranslation() + ")";
}
}

22
src/main/java/it/cnr/isti/workflow/manager/model/types/Validation.java Normal file
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package it.cnr.isti.workflow.manager.model.types;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.NonNull;
@Builder
@AllArgsConstructor
@Data
@NoArgsConstructor
public class Validation {
@NonNull
private String name;
@NonNull
private String validator;
private String message;
}

19
src/main/java/it/cnr/isti/workflow/manager/model/ui/Connection.java Normal file
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package it.cnr.isti.workflow.manager.model.ui;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
@Builder
@Data
@AllArgsConstructor
@NoArgsConstructor
@ToString
public class Connection {
String key;
String from;
String to;
}

34
src/main/java/it/cnr/isti/workflow/manager/model/ui/Flow.java Normal file
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package it.cnr.isti.workflow.manager.model.ui;
import java.util.List;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
@Data
@AllArgsConstructor
@NoArgsConstructor
@Builder
@ToString
public class Flow {
String id;
String name;
String description;
@Builder.Default
List<Node> nodes = List.of();
@Builder.Default
List<Connection> connections = List.of();
String startNode;
String endNode;
}

29
src/main/java/it/cnr/isti/workflow/manager/model/ui/FlowEntity.java Normal file
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package it.cnr.isti.workflow.manager.model.ui;
import org.hibernate.annotations.UuidGenerator;
import it.cnr.isti.workflow.manager.repositories.FlowConverter;
import jakarta.persistence.Column;
import jakarta.persistence.Convert;
import jakarta.persistence.Entity;
import jakarta.persistence.Id;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
@Entity
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class FlowEntity {
@Id
@UuidGenerator
String id;
@Convert(converter = FlowConverter.class)
@Column(columnDefinition = "TEXT")
Flow flow;
}

12
src/main/java/it/cnr/isti/workflow/manager/model/ui/IOModel.java Normal file
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package it.cnr.isti.workflow.manager.model.ui;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@NoArgsConstructor
public class IOModel {
String key;
String type;
String name;
}

43
src/main/java/it/cnr/isti/workflow/manager/model/ui/Node.java Normal file
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package it.cnr.isti.workflow.manager.model.ui;
import java.util.List;
import java.util.Map;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
@Data
@AllArgsConstructor
@NoArgsConstructor
@ToString
public class Node {
String key;
String name;
List<IOModel> outputs;
List<IOModel> inputs;
String color;
Point position;
Map<String, Object> parameters;
String description;
String type;
}
@NoArgsConstructor
@Data
class Point {
int x;
int y;
}

33
src/main/java/it/cnr/isti/workflow/manager/repositories/FlowConverter.java Normal file
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package it.cnr.isti.workflow.manager.repositories;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import it.cnr.isti.workflow.manager.model.ui.Flow;
import jakarta.persistence.AttributeConverter;
import jakarta.persistence.Converter;
@Converter
public class FlowConverter implements AttributeConverter<Flow, String> {
private static final ObjectMapper mapper = new ObjectMapper();
@Override
public String convertToDatabaseColumn(Flow flow) {
try {
return mapper.writeValueAsString(flow);
} catch (JsonProcessingException e) {
throw new IllegalArgumentException("Error converting map to JSON", e);
}
}
@Override
public Flow convertToEntityAttribute(String dbData) {
try {
return mapper.readValue(dbData, Flow.class);
} catch (JsonProcessingException e) {
throw new IllegalArgumentException("Error converting map to JSON", e);
}
}
}

9
src/main/java/it/cnr/isti/workflow/manager/repositories/FlowRepository.java Normal file
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package it.cnr.isti.workflow.manager.repositories;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
import it.cnr.isti.workflow.manager.model.ui.FlowEntity;
@Repository
public interface FlowRepository extends JpaRepository<FlowEntity, String> {}

48
src/main/java/it/cnr/isti/workflow/manager/repositories/InputTranslatorConverter.java Normal file
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package it.cnr.isti.workflow.manager.repositories;
import java.util.HashMap;
import java.util.Map;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import it.cnr.isti.workflow.manager.model.types.Translator;
import jakarta.persistence.AttributeConverter;
import jakarta.persistence.Converter;
@Converter
public class InputTranslatorConverter implements
AttributeConverter<Map<String, Translator>, String> {
private static final ObjectMapper mapper = new ObjectMapper();
@Override
public String convertToDatabaseColumn(Map<String, Translator> param) {
if (param == null)
return null;
try {
return mapper.writeValueAsString(param);
} catch (JsonProcessingException e) {
throw new IllegalArgumentException("Error converting map to JSON", e);
}
}
@Override
public Map<String, Translator> convertToEntityAttribute(String paramAsJson) {
if (paramAsJson == null)
return null;
TypeReference<HashMap<String, Translator>> typeRef = new TypeReference<HashMap<String, Translator>>() {
};
try {
Map<String,Translator> result = mapper.readValue(paramAsJson, typeRef);
return result;
} catch (JsonProcessingException e) {
throw new IllegalArgumentException("Error converting map to JSON", e);
}
}
}

47
src/main/java/it/cnr/isti/workflow/manager/repositories/MapsConverter.java Normal file
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package it.cnr.isti.workflow.manager.repositories;
import java.util.HashMap;
import java.util.Map;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import jakarta.persistence.AttributeConverter;
import jakarta.persistence.Converter;
@Converter
public class MapsConverter<T> implements
AttributeConverter<Map<String, T>, String> {
private static final ObjectMapper mapper = new ObjectMapper();
@Override
public String convertToDatabaseColumn(Map<String, T> param) {
if (param == null)
return null;
try {
return mapper.writeValueAsString(param);
} catch (JsonProcessingException e) {
throw new IllegalArgumentException("Error converting map to JSON", e);
}
}
@Override
public Map<String, T> convertToEntityAttribute(String paramAsJson) {
if (paramAsJson == null)
return null;
TypeReference<HashMap<String, T>> typeRef = new TypeReference<HashMap<String, T>>() {
};
try {
Map<String,T> result = mapper.readValue(paramAsJson, typeRef);
return result;
} catch (JsonProcessingException e) {
throw new IllegalArgumentException("Error converting map to JSON", e);
}
}
}

9
src/main/java/it/cnr/isti/workflow/manager/repositories/NodeDefinitionRepository.java Normal file
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package it.cnr.isti.workflow.manager.repositories;
import org.springframework.data.repository.CrudRepository;
import org.springframework.stereotype.Repository;
import it.cnr.isti.workflow.manager.model.types.NodeDefinition;
@Repository
public interface NodeDefinitionRepository extends CrudRepository<NodeDefinition, String> {}

17
src/main/resources/application.properties Normal file
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spring.application.name=workflow-manager
#postgresql details
spring.datasource.url=jdbc:postgresql://localhost:5432/mydb
spring.datasource.username=lucio
spring.datasource.password=password
spring.datasource.driver-class-name=org.postgresql.Driver
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
# create and drop table, good for testing, production set to none or comment it
spring.jpa.hibernate.ddl-auto=create-drop
app.db.init.enabled=true
logging.level.it.cnr.isti.workflow.manager=DEBUG
logging.level.root=ERROR

138
src/test/java/it/cnr/isti/workflow/manager/FlowTest.java Normal file
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package it.cnr.isti.workflow.manager;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import java.util.List;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import com.fasterxml.jackson.databind.ObjectMapper;
import it.cnr.isti.workflow.manager.executors.ExecutionObject;
import it.cnr.isti.workflow.manager.model.ExecutionStep;
import it.cnr.isti.workflow.manager.model.InputReadyListener;
import it.cnr.isti.workflow.manager.model.ui.Flow;
import it.cnr.isti.workflow.manager.model.ui.FlowEntity;
import it.cnr.isti.workflow.manager.repositories.FlowRepository;
@SpringBootTest
public class FlowTest {
private static final Logger log = org.slf4j.LoggerFactory.getLogger(FlowTest.class);
@Autowired
FlowRepository flowRepository;
@Autowired
TransformerService transformerService;
private static final String FLOW = """
{
"id": "bc940838-b390-4a43-8f71-759b57d61580",
"name": "italian to english (passing from french)",
"description": null,
"nodes": [
{
"key": "c3d4ede7-96c6-4400-9d69-3210f8512b35",
"name": "newNode",
"outputs": [
{
"name" : "translated",
"key": "bbd8a7ac-404d-4f4b-9e16-3e12354e19c9",
"type": "text"
}
],
"inputs": [
{
"name" : "phrase",
"key": "4fc0c364-250f-4402-b469-512b8dc54c1a",
"type": "text"
}
],
"color": "#A8E6CF",
"position": {
"x": 162,
"y": 52
},
"parameters": {
"language": "French",
"LLM": "google-gemini"
},
"description": null,
"type": "Translator"
},
{
"key": "5ff7bfbe-d71d-43d3-addf-9b70beab026d",
"name": "newNode",
"outputs": [
{
"name" : "translated",
"key": "6adfc7f2-b26b-4cdb-85b4-c9121f0726c7",
"type": "text"
}
],
"inputs": [
{
"name" : "phrase",
"key": "f9751a63-75fd-4a33-8592-c516abbb6574",
"type": "text"
}
],
"color": "#A8E6CF",
"position": {
"x": 582,
"y": 181
},
"parameters": {
"language": "English",
"LLM": "google-gemini"
},
"description": null,
"type": "Translator"
}
],
"connections": [
{
"key": "9267a8d1-4bdf-4c50-8876-1a78baf25636",
"from": "bbd8a7ac-404d-4f4b-9e16-3e12354e19c9",
"to": "f9751a63-75fd-4a33-8592-c516abbb6574"
}
],
"startNode": "c3d4ede7-96c6-4400-9d69-3210f8512b35",
"endNode": "5ff7bfbe-d71d-43d3-addf-9b70beab026d"
}
""";
@Test
void testFlowSerialization() throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
Flow flow = objectMapper.readValue(FLOW, Flow.class);
assertNotNull(flow);
FlowEntity flowEntity = FlowEntity.builder().flow(flow).build();
flowRepository.save(flowEntity);
}
@Test
void transform() throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
Flow flow = objectMapper.readValue(FLOW, Flow.class);
ExecutionObject execution = transformerService.transform(flow);
assertNotNull(execution.getStartStep());
InputReadyListener resuListener = new InputReadyListener() {
@Override
public void inputReady(String key, Object value) {
log.debug("Received result: {} -> {}", key, value);
}
};
execution.getEndStep().setNextSteps(List.of(resuListener));
execution.getStartStep().inputReady("phrase", "Ciao come stai?");
}
}

20
src/test/java/it/cnr/isti/workflow/manager/NodeDefinitionControllerTest.java Normal file
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package it.cnr.isti.workflow.manager;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class NodeDefinitionControllerTest {
@Test
void shouldReturnEmpty() throws Exception {
/*NodeDefinition node = new NodeDefinition("DefectDetection","defect detection",
"DefectDetection", null, null);
List<NodeDefinition> nodes = Collections.singletonList(node);
when(service.findAll()).thenReturn(nodes);
assertThat(service.findAll()).isEqualTo(nodes);
*/
}
}

31
src/test/java/it/cnr/isti/workflow/manager/executors/GenericAIExecutorTest.java Normal file
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package it.cnr.isti.workflow.manager.executors;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import it.cnr.isti.workflow.manager.executors.ai.GenericAIExecutor;
@SpringBootTest
public class GenericAIExecutorTest {
@Autowired
private GenericAIExecutor genericAIExecutor;
@Test
public void testOnExecute() {
//String argument = "test";
//String result = (String) genericAIExecutor.get(Map.of("model", "google-gemini")).execute(null, null, argument);
//assertEquals("AI Executor: test", result);
}
@Test
public void testGetAvaiableAIModels() {
assertTrue(genericAIExecutor.getAvaiableAIModels().size()>0);
assertEquals(genericAIExecutor.getAvaiableAIModels().keySet().stream().findFirst().orElse(""), "google-gemini");
}
}

43
src/test/java/it/cnr/isti/workflow/manager/repositories/NodeDefRepoTest.java Normal file
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package it.cnr.isti.workflow.manager.repositories;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
import it.cnr.isti.workflow.manager.model.types.NodeDefinition;
import it.cnr.isti.workflow.manager.model.types.ParameterDefinition;
import it.cnr.isti.workflow.manager.model.types.ParameterType;
import org.springframework.beans.factory.annotation.Autowired;
import static org.junit.jupiter.api.Assertions.*;
import java.util.stream.StreamSupport;
@SpringBootTest
class NodeDefRepoTest {
@Autowired
private NodeDefinitionRepository nodeRepository;
@Test
void testStoreAndFindNode() {
NodeDefinition node = NodeDefinition.builder().type("DefectDetection").name("defect detection").executor("GENERIC-AI").category("DefectDetection").input("file","CSV")
.fixedParameter("LLM", ParameterDefinition.builder().name("param").label("param").type(ParameterType.Input).build()) .output("file","CSV").build();
nodeRepository.save(node);
NodeDefinition foundNode = nodeRepository.findById(node.getType()).orElse(null);
assertNotNull(foundNode);
assertFalse(foundNode.getFixedParameters().isEmpty());
assertTrue(foundNode.getRuntimeParameters().isEmpty());
}
@Test
void testStoreAndFindAll() {
NodeDefinition node = NodeDefinition.builder().type("DefectDetection").name("defect detection").executor("GENERIC-AI").category("DefectDetection").input("file","CSV") .output("file","CSV").build();
nodeRepository.save(node);
NodeDefinition returnNode = StreamSupport.stream(nodeRepository.findAll().spliterator(), false).filter(n->n.getType().equals(node.getType())).findFirst().orElse(null) ;
assertNotNull(returnNode);
}
}