/* * Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * SPDX-License-Identifier: MIT-0 * * Permission is hereby granted, free of charge, to any person obtaining a copy of this * software and associated documentation files (the "Software"), to deal in the Software * without restriction, including without limitation the rights to use, copy, modify, * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package com.example.orchestration.drools.config; import java.io.IOException; import org.kie.api.KieServices; import org.kie.api.builder.KieBuilder; import org.kie.api.builder.KieFileSystem; import org.kie.api.builder.KieModule; import org.kie.api.builder.KieRepository; import org.kie.api.builder.ReleaseId; import org.kie.api.runtime.KieContainer; import org.kie.internal.io.ResourceFactory; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.core.io.Resource; import org.springframework.core.io.support.PathMatchingResourcePatternResolver; import org.springframework.core.io.support.ResourcePatternResolver; @Configuration public class SpringConfig { private static final String RULES_PATH = "rules/"; @Bean public KieFileSystem kieFileSystem() throws IOException { KieFileSystem kieFileSystem = getKieServices().newKieFileSystem(); for (Resource file : getRuleFiles()) { kieFileSystem.write(ResourceFactory.newClassPathResource(RULES_PATH + file.getFilename(), "UTF-8")); } return kieFileSystem; } private Resource[] getRuleFiles() throws IOException { ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver(); return resourcePatternResolver.getResources("classpath*:" + RULES_PATH + "**/*.*"); } @Bean public KieContainer kieContainer() throws IOException { final KieRepository kieRepository = getKieServices().getRepository(); kieRepository.addKieModule(new KieModule() { public ReleaseId getReleaseId() { return kieRepository.getDefaultReleaseId(); } }); KieBuilder kieBuilder = getKieServices().newKieBuilder(kieFileSystem()); kieBuilder.buildAll(); return getKieServices().newKieContainer(kieRepository.getDefaultReleaseId()); } private KieServices getKieServices() { return KieServices.Factory.get(); } }