Java tutorial
/* * Copyright (c) 2010-2013 Evolveum * * 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 * * 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 com.evolveum.midpoint.wf.impl.processes.common; import com.evolveum.midpoint.util.logging.Trace; import com.evolveum.midpoint.util.logging.TraceManager; import org.activiti.engine.RuntimeService; import org.activiti.engine.delegate.DelegateExecution; import org.activiti.engine.delegate.JavaDelegate; import org.activiti.engine.impl.persistence.entity.ExecutionEntity; import org.activiti.engine.impl.pvm.runtime.ExecutionImpl; import org.activiti.engine.runtime.Execution; import org.apache.commons.collections4.CollectionUtils; import java.util.*; /** * @author mederly */ public class DumpVariables implements JavaDelegate { private static final Trace LOGGER = TraceManager.getTrace(DumpVariables.class); public void execute(DelegateExecution execution) { if (LOGGER.isTraceEnabled()) { RuntimeService runtimeService = execution.getEngineServices().getRuntimeService(); Set<String> variablesSeen = new HashSet<>(); LOGGER.trace("--------------------------------- DumpVariables: " + execution.getCurrentActivityId()); // LOGGER.trace("All variables for execution id={}, parent id={}", execution.getId(), execution.getParentId()); // execution.getVariableInstances().forEach((n, v) -> LOGGER.trace(" - {} = {} (in {})", n, v.getValue(), v.getExecutionId())); LOGGER.trace("Execution hierarchy for id={}", execution.getId()); LOGGER.trace("------------------------------------"); dumpExecutionVariables(execution.getId(), execution, null, variablesSeen, runtimeService); Collection<String> disjunction = CollectionUtils.disjunction(variablesSeen, execution.getVariableNames()); if (!disjunction.isEmpty()) { LOGGER.trace("*** Variables not found in execution tree or 'execution.getVariableNames()': {}", disjunction); } LOGGER.trace("--------------------------------- DumpVariables: " + execution.getCurrentActivityId() + " END ------------"); } } private void dumpExecutionVariables(String executionId, DelegateExecution delegateExecution, Execution execution, Set<String> variablesSeen, RuntimeService runtimeService) { Map<String, Object> variablesLocal = runtimeService.getVariablesLocal(executionId); LOGGER.trace("Execution id={} ({} variables); class={}/{}", executionId, variablesLocal.size(), delegateExecution != null ? delegateExecution.getClass().getName() : null, execution != null ? execution.getClass().getName() : null); TreeSet<String> names = new TreeSet<>(variablesLocal.keySet()); names.forEach(n -> LOGGER.trace(" - {} = {} {}", n, variablesLocal.get(n), variablesSeen.contains(n) ? "(dup)" : "")); variablesSeen.addAll(variablesLocal.keySet()); if (delegateExecution instanceof ExecutionEntity) { ExecutionEntity executionEntity = (ExecutionEntity) delegateExecution; if (executionEntity.getParent() != null) { dumpExecutionVariables(executionEntity.getParentId(), executionEntity.getParent(), null, variablesSeen, runtimeService); } } else if (delegateExecution instanceof ExecutionImpl) { ExecutionImpl executionImpl = (ExecutionImpl) delegateExecution; if (executionImpl.getParent() != null) { dumpExecutionVariables(executionImpl.getParentId(), executionImpl.getParent(), null, variablesSeen, runtimeService); } } else { Execution execution1 = runtimeService.createExecutionQuery().executionId(executionId).singleResult(); if (execution1 == null) { LOGGER.trace("Execution with id {} was not found.", executionId); } else if (execution1.getParentId() != null) { Execution execution2 = runtimeService.createExecutionQuery().executionId(execution1.getParentId()) .singleResult(); dumpExecutionVariables(execution.getParentId(), null, execution2, variablesSeen, runtimeService); } } } }