| /* |
| * 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. |
| */ |
| package org.apache.syncope.core.logic.init; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.List; |
| import javax.sql.DataSource; |
| import org.apache.commons.io.IOUtils; |
| import org.apache.syncope.common.lib.types.EntitlementsHolder; |
| import org.apache.syncope.common.lib.types.FlowableEntitlement; |
| import org.apache.syncope.core.flowable.impl.FlowableDeployUtils; |
| import org.apache.syncope.core.flowable.impl.FlowableRuntimeUtils; |
| import org.apache.syncope.core.flowable.support.DomainProcessEngine; |
| import org.apache.syncope.core.persistence.api.SyncopeCoreLoader; |
| import org.flowable.engine.ProcessEngine; |
| import org.flowable.engine.impl.db.DbIdGenerator; |
| import org.flowable.engine.repository.ProcessDefinition; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.core.io.Resource; |
| |
| public class FlowableLoader implements SyncopeCoreLoader { |
| |
| protected static final Logger LOG = LoggerFactory.getLogger(FlowableLoader.class); |
| |
| protected final Resource userWorkflowDef; |
| |
| protected final DomainProcessEngine dpEngine; |
| |
| public FlowableLoader(final Resource userWorkflowDef, final DomainProcessEngine dpEngine) { |
| this.userWorkflowDef = userWorkflowDef; |
| this.dpEngine = dpEngine; |
| } |
| |
| @Override |
| public int getOrder() { |
| return 310; |
| } |
| |
| @Override |
| public void load() { |
| EntitlementsHolder.getInstance().addAll(FlowableEntitlement.values()); |
| } |
| |
| @Override |
| public void load(final String domain, final DataSource datasource) { |
| byte[] wfDef = new byte[0]; |
| |
| try (InputStream wfIn = userWorkflowDef.getInputStream()) { |
| wfDef = IOUtils.toByteArray(wfIn); |
| } catch (IOException e) { |
| LOG.error("While loading " + userWorkflowDef.getFilename(), e); |
| } |
| |
| ProcessEngine processEngine = dpEngine.getEngines().get(domain); |
| if (processEngine == null) { |
| LOG.error("Could not find the configured ProcessEngine for domain {}", domain); |
| } else { |
| List<ProcessDefinition> processes = processEngine.getRepositoryService(). |
| createProcessDefinitionQuery().processDefinitionKey(FlowableRuntimeUtils.WF_PROCESS_ID). |
| list(); |
| LOG.debug(FlowableRuntimeUtils.WF_PROCESS_ID + " Flowable processes in repository: {}", processes); |
| |
| // Only loads process definition from file if not found in repository |
| if (processes.isEmpty()) { |
| processEngine.getRepositoryService().createDeployment().addInputStream( |
| userWorkflowDef.getFilename(), new ByteArrayInputStream(wfDef)).deploy(); |
| |
| ProcessDefinition procDef = processEngine.getRepositoryService().createProcessDefinitionQuery(). |
| processDefinitionKey(FlowableRuntimeUtils.WF_PROCESS_ID).latestVersion(). |
| singleResult(); |
| |
| FlowableDeployUtils.deployModel(processEngine, procDef); |
| |
| LOG.debug("Flowable Workflow definition loaded for domain {}", domain); |
| |
| if (processEngine.getProcessEngineConfiguration().getIdGenerator() instanceof DbIdGenerator) { |
| // jump to the next ID block |
| for (int i = 0; i < processEngine.getProcessEngineConfiguration().getIdBlockSize(); i++) { |
| processEngine.getProcessEngineConfiguration().getIdGenerator().getNextId(); |
| } |
| } |
| } |
| } |
| } |
| } |