commit 3ad99735ba351bac0be1241c738d09226e76a477 Author: Kamil Patryk Kozakowski Date: Sat Jul 5 21:25:53 2025 +0200 initial diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..8af972c --- /dev/null +++ b/.gitattributes @@ -0,0 +1,3 @@ +/gradlew text eol=lf +*.bat text eol=crlf +*.jar binary diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..c2065bc --- /dev/null +++ b/.gitignore @@ -0,0 +1,37 @@ +HELP.md +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ diff --git a/README.md b/README.md new file mode 100644 index 0000000..2b6820c --- /dev/null +++ b/README.md @@ -0,0 +1,18 @@ + +```shell +brew install graphviz +``` + +```shell +dot -Tpng statemachine.dot -o statemachine.png +``` + + +```shell +brew install plantuml +``` +```shell +plantuml statemachine.uml.dot +``` + +plantuml statemachine.scxml \ No newline at end of file diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..c3207f2 --- /dev/null +++ b/build.gradle @@ -0,0 +1,45 @@ +plugins { + id 'java' + id 'org.springframework.boot' version '3.5.3' + id 'io.spring.dependency-management' version '1.1.7' +} + +group = 'com.example' +version = '0.0.1-SNAPSHOT' + +java { + toolchain { + languageVersion = JavaLanguageVersion.of(21) + } +} + +configurations { + compileOnly { + extendsFrom annotationProcessor + } +} + +repositories { + mavenCentral() +} + +dependencies { + implementation 'org.springframework.boot:spring-boot-starter' + implementation 'org.springframework.statemachine:spring-statemachine-starter:3.2.0' + + // uml model parsing +// implementation 'org.springframework.statemachine:spring-statemachine-uml:3.2.0' + + // deps for SCXMLWriter +// implementation "org.apache.commons:scxml4j:1.0.0" + + + compileOnly 'org.projectlombok:lombok' + annotationProcessor 'org.projectlombok:lombok' + testImplementation 'org.springframework.boot:spring-boot-starter-test' + testRuntimeOnly 'org.junit.platform:junit-platform-launcher' +} + +tasks.named('test') { + useJUnitPlatform() +} diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..1b33c55 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..ff23a68 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.2-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..23d15a9 --- /dev/null +++ b/gradlew @@ -0,0 +1,251 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed 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 +# +# https://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. +# +# SPDX-License-Identifier: Apache-2.0 +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH="\\\"\\\"" + + +# Determine the Java command to use to start the JVM. +if [ -n "$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 + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..db3a6ac --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,94 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem +@rem SPDX-License-Identifier: Apache-2.0 +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH= + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 0000000..fbc3e52 --- /dev/null +++ b/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'statemachinedemo' diff --git a/src/main/java/com/example/statemachinedemo/StatemachinedemoApplication.java b/src/main/java/com/example/statemachinedemo/StatemachinedemoApplication.java new file mode 100644 index 0000000..8ba4326 --- /dev/null +++ b/src/main/java/com/example/statemachinedemo/StatemachinedemoApplication.java @@ -0,0 +1,274 @@ +package com.example.statemachinedemo; + +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.springframework.boot.ApplicationArguments; +import org.springframework.boot.ApplicationRunner; +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.Configuration; +import org.springframework.statemachine.StateContext; +import org.springframework.statemachine.StateMachine; +import org.springframework.statemachine.config.EnableStateMachineFactory; +import org.springframework.statemachine.config.StateMachineConfigurerAdapter; +import org.springframework.statemachine.config.StateMachineFactory; +import org.springframework.statemachine.config.builders.StateMachineConfigurationConfigurer; +import org.springframework.statemachine.config.builders.StateMachineStateConfigurer; +import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer; +import org.springframework.statemachine.guard.Guard; +import org.springframework.statemachine.listener.StateMachineListenerAdapter; +import org.springframework.statemachine.state.PseudoStateKind; +import org.springframework.statemachine.state.State; +import org.springframework.statemachine.transition.Transition; +import org.springframework.stereotype.Component; +import org.w3c.dom.Document; +import org.w3c.dom.Element; + +import javax.xml.parsers.DocumentBuilder; +import javax.xml.parsers.DocumentBuilderFactory; +import java.io.File; +import java.io.FileNotFoundException; +import java.io.PrintWriter; +import java.util.Collection; + +@SpringBootApplication +public class StatemachinedemoApplication { + public static void main(String[] args) { + SpringApplication.run(StatemachinedemoApplication.class, args); + } +} + +enum OrderEvents { + FULFILL, PAY, CANCEL +} + +enum OrderStates { + SUBMITTED, PAID, FULFILLED, CANCELED +// ,PAID2, PAID3 +} + +@Component +@Slf4j +@RequiredArgsConstructor +class Runner implements ApplicationRunner { + private final StateMachineFactory factory; +// +// @Override +// public void run(ApplicationArguments args) throws Exception { +// StateMachine stateMachine = factory.getStateMachine("order"); +// stateMachine.start(); +// log.info("Current state is {}", stateMachine.getState().getId()); +// +// } + private final Config1 c; + private final Config2 c2; + private final Config3 c3; + + @Override + public void run(ApplicationArguments args) throws Exception { + c.a(); + c2.a(); +// c3.exportToSCXML(); + } +} + +class StateMachineDotExporter { + public static void export(StateMachine stateMachine, PrintWriter writer) { + writer.println("digraph stateMachine {"); + + for (State state : stateMachine.getStates()) { + writer.printf(" %s;%n", state.getId()); + } + + for (Transition transition : stateMachine.getTransitions()) { + if (transition.getSource() != null && transition.getTarget() != null) { + writer.printf(" %s -> %s [label=\"%s\"];%n", + transition.getSource().getId(), + transition.getTarget().getId(), + transition.getTrigger() != null ? transition.getTrigger().getEvent() : ""); + } + } + + writer.println("}"); + } +} + +class StateMachinePlantUMLExporter { + + public static void export(StateMachine stateMachine, PrintWriter writer) { + writer.println("@startuml"); + writer.println("[*] --> " + stateMachine.getInitialState().getId()); + + for (Transition transition : stateMachine.getTransitions()) { + if (transition.getSource() != null && transition.getTarget() != null) { + String source = transition.getSource().getId().toString(); + String target = transition.getTarget().getId().toString(); + String event = transition.getTrigger() != null && transition.getTrigger().getEvent() != null + ? transition.getTrigger().getEvent().toString() + : ""; + writer.printf("%s --> %s : %s%n", source, target, event); + } + } + + for (State state : stateMachine.getStates()) { + if (state.getPseudoState() != null && + state.getPseudoState().getKind() == PseudoStateKind.END) { + writer.printf("%s --> [*]%n", state.getId()); + } + } + writer.println("@enduml"); + } +} + +@Component +@RequiredArgsConstructor +class Config1 { + private final StateMachineFactory factory; + public void a() throws FileNotFoundException { + StateMachine stateMachine = factory.getStateMachine("order"); + + StateMachineDotExporter exporter = new StateMachineDotExporter(); + try (PrintWriter out = new PrintWriter("statemachine.dot")) { + StateMachineDotExporter.export(stateMachine, out); + } + } +} + +@Component +@RequiredArgsConstructor +class Config2 { + private final StateMachineFactory factory; + public void a() throws FileNotFoundException { + StateMachine stateMachine = factory.getStateMachine("order"); + + try (PrintWriter out = new PrintWriter("statemachine.uml.dot")) { + StateMachinePlantUMLExporter.export(stateMachine, out); + } + } +} + +@Component +class SCXMLExporter { + + // This method assumes you already have a state machine + public void exportToSCXML(StateMachine stateMachine) throws Exception { + // Create a document to represent the SCXML structure + DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); + DocumentBuilder builder = factory.newDocumentBuilder(); + Document doc = builder.newDocument(); + + // Root SCXML element + Element scxmlElement = doc.createElement("scxml"); + scxmlElement.setAttribute("version", "1.0"); + doc.appendChild(scxmlElement); + + // Define the states + Element statesElement = doc.createElement("states"); + scxmlElement.appendChild(statesElement); + + // Iterate over the states of the state machine + Collection> states = stateMachine.getStates(); + for (State state : states) { + Element stateElement = doc.createElement("state"); + stateElement.setAttribute("id", state.getId().toString()); + statesElement.appendChild(stateElement); + } + + // Define the transitions + Element transitionsElement = doc.createElement("transitions"); + scxmlElement.appendChild(transitionsElement); + + Collection> transitions = stateMachine.getTransitions(); + for (Transition transition : transitions) { + Element transitionElement = doc.createElement("transition"); + transitionElement.setAttribute("from", transition.getSource().getId().toString()); + transitionElement.setAttribute("to", transition.getTarget().getId().toString()); + transitionElement.setAttribute("event", String.valueOf(transition.getTrigger())); + transitionsElement.appendChild(transitionElement); + } + + // Write to file + File file = new File("stateMachine.scxml"); + saveDocumentToFile(doc, file); + } + + private void saveDocumentToFile(Document doc, File file) throws Exception { + // Serialize the document to a file (you can use your preferred XML writer) + javax.xml.transform.Transformer transformer = javax.xml.transform.TransformerFactory.newInstance().newTransformer(); + javax.xml.transform.stream.StreamResult result = new javax.xml.transform.stream.StreamResult(file); + javax.xml.transform.dom.DOMSource source = new javax.xml.transform.dom.DOMSource(doc); + transformer.transform(source, result); + } +} +@Component +@RequiredArgsConstructor +class Config3 { + private final StateMachineFactory factory; + public void exportToSCXML() throws Exception { + StateMachine stateMachine = factory.getStateMachine("order"); + + SCXMLExporter exporter = new SCXMLExporter(); + File file = new File("statemachine.scxml"); + exporter.exportToSCXML(stateMachine); + } +} + +@Configuration +@EnableStateMachineFactory +@Slf4j +class SimpleEnumStateMachineConfiguration extends StateMachineConfigurerAdapter { + @Override + public void configure(StateMachineTransitionConfigurer transitions) throws Exception { + transitions + .withExternal().source(OrderStates.SUBMITTED).target(OrderStates.PAID).event(OrderEvents.PAY) + .and() + .withExternal().source(OrderStates.PAID).target(OrderStates.FULFILLED).event(OrderEvents.FULFILL) + .and() + .withExternal().source(OrderStates.SUBMITTED).target(OrderStates.CANCELED).event(OrderEvents.CANCEL).guard(new Guard() { + @Override + public boolean evaluate(StateContext context) { + return false; + } + }) + .and() + .withExternal().source(OrderStates.PAID).target(OrderStates.CANCELED).event(OrderEvents.CANCEL); + +// +// .and() +// .withChoice() +// .source(OrderStates.SUBMITTED) +// .first(OrderStates.PAID2, new Guard() { +// @Override +// public boolean evaluate(StateContext context) { +// return false; +// } +// }) +// .last(OrderStates.PAID3) +// .and().withExternal().source(OrderStates.PAID2).target(OrderStates.CANCELED) +// .and().withExternal().source(OrderStates.PAID3).target(OrderStates.CANCELED); + } + + @Override + public void configure(StateMachineStateConfigurer states) throws Exception { + states.withStates() + .initial(OrderStates.SUBMITTED) + .state(OrderStates.PAID) +// .state(OrderStates.PAID2) +// .state(OrderStates.PAID3) + .end(OrderStates.FULFILLED) + .end(OrderStates.CANCELED); + + } + @Override + public void configure(StateMachineConfigurationConfigurer config) throws Exception { + StateMachineListenerAdapter listenerAdapter = new StateMachineListenerAdapter<>() { + @Override + public void stateChanged(State from, State to) { + log.info("state changed from {} to {}", from, to); + } + }; + config.withConfiguration() + .autoStartup(false) + .listener(listenerAdapter); + } +} \ No newline at end of file diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties new file mode 100644 index 0000000..1cd01ff --- /dev/null +++ b/src/main/resources/application.properties @@ -0,0 +1 @@ +spring.application.name=statemachinedemo diff --git a/src/test/java/com/example/statemachinedemo/StatemachinedemoApplicationTests.java b/src/test/java/com/example/statemachinedemo/StatemachinedemoApplicationTests.java new file mode 100644 index 0000000..570c043 --- /dev/null +++ b/src/test/java/com/example/statemachinedemo/StatemachinedemoApplicationTests.java @@ -0,0 +1,13 @@ +package com.example.statemachinedemo; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class StatemachinedemoApplicationTests { + + @Test + void contextLoads() { + } + +} diff --git a/stateMachine.scxml b/stateMachine.scxml new file mode 100644 index 0000000..b8022bd --- /dev/null +++ b/stateMachine.scxml @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/statemachine.dot b/statemachine.dot new file mode 100644 index 0000000..ccfa158 --- /dev/null +++ b/statemachine.dot @@ -0,0 +1,14 @@ +digraph stateMachine { + PAID2; + SUBMITTED; + PAID; + PAID3; + CANCELED; + FULFILLED; + SUBMITTED -> PAID [label="PAY"]; + PAID -> FULFILLED [label="FULFILL"]; + SUBMITTED -> CANCELED [label="CANCEL"]; + PAID -> CANCELED [label="CANCEL"]; + PAID2 -> CANCELED [label=""]; + PAID3 -> CANCELED [label=""]; +} diff --git a/statemachine.png b/statemachine.png new file mode 100644 index 0000000..dc48df7 Binary files /dev/null and b/statemachine.png differ diff --git a/statemachine.uml.dot b/statemachine.uml.dot new file mode 100644 index 0000000..ecd41d4 --- /dev/null +++ b/statemachine.uml.dot @@ -0,0 +1,11 @@ +@startuml +[*] --> SUBMITTED +SUBMITTED --> PAID : PAY +PAID --> FULFILLED : FULFILL +SUBMITTED --> CANCELED : CANCEL +PAID --> CANCELED : CANCEL +PAID2 --> CANCELED +PAID3 --> CANCELED +CANCELED --> [*] +FULFILLED --> [*] +@enduml diff --git a/statemachine.uml.png b/statemachine.uml.png new file mode 100644 index 0000000..574191c Binary files /dev/null and b/statemachine.uml.png differ