org.flowable.engine.impl.agenda.ExecuteInactiveBehaviorsOperation Maven / Gradle / Ivy
/* 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 org.flowable.engine.impl.agenda;
import java.util.ArrayList;
import java.util.Collection;
import org.flowable.bpmn.model.FlowNode;
import org.flowable.bpmn.model.Process;
import org.flowable.common.engine.impl.interceptor.Command;
import org.flowable.common.engine.impl.interceptor.CommandContext;
import org.flowable.engine.impl.delegate.InactiveActivityBehavior;
import org.flowable.engine.impl.persistence.entity.ExecutionEntity;
import org.flowable.engine.impl.util.CommandContextUtil;
import org.flowable.engine.impl.util.ProcessDefinitionUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Operation that usually gets scheduled as last operation of handling a {@link Command}.
*
* Executes 'background' behaviours of executions that currently are in an activity that implements the {@link InactiveActivityBehavior} interface.
*
* @author Joram Barrez
*/
public class ExecuteInactiveBehaviorsOperation extends AbstractOperation {
private static final Logger LOGGER = LoggerFactory.getLogger(ExecuteInactiveBehaviorsOperation.class);
protected Collection involvedExecutions;
public ExecuteInactiveBehaviorsOperation(CommandContext commandContext) {
super(commandContext, null);
this.involvedExecutions = new ArrayList<>(CommandContextUtil.getInvolvedExecutions(commandContext).values());
}
@Override
public void run() {
/*
* Algorithm: for each execution that is involved in this command context,
*
* 1) Get its process definition 2) Verify if its process definitions has any InactiveActivityBehavior behaviours. 3) If so, verify if there are any executions inactive in those activities 4)
* Execute the inactivated behavior
*
*/
for (ExecutionEntity executionEntity : involvedExecutions) {
Process process = ProcessDefinitionUtil.getProcess(executionEntity.getProcessDefinitionId());
Collection flowNodeIdsWithInactivatedBehavior = new ArrayList<>();
for (FlowNode flowNode : process.findFlowElementsOfType(FlowNode.class)) {
if (flowNode.getBehavior() instanceof InactiveActivityBehavior) {
flowNodeIdsWithInactivatedBehavior.add(flowNode.getId());
}
}
if (flowNodeIdsWithInactivatedBehavior.size() > 0) {
Collection inactiveExecutions = CommandContextUtil.getExecutionEntityManager(commandContext).findInactiveExecutionsByProcessInstanceId(executionEntity.getProcessInstanceId());
for (ExecutionEntity inactiveExecution : inactiveExecutions) {
if (!inactiveExecution.isActive()
&& flowNodeIdsWithInactivatedBehavior.contains(inactiveExecution.getActivityId())
&& !inactiveExecution.isDeleted()) {
FlowNode flowNode = (FlowNode) process.getFlowElement(inactiveExecution.getActivityId(), true);
InactiveActivityBehavior inactiveActivityBehavior = ((InactiveActivityBehavior) flowNode.getBehavior());
LOGGER.debug("Found InactiveActivityBehavior instance of class {} that can be executed on activity '{}'", inactiveActivityBehavior.getClass(), flowNode.getId());
inactiveActivityBehavior.executeInactive(inactiveExecution);
}
}
}
}
}
}