/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* 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.jbpm.casemgmt.impl.command;
import org.drools.core.command.impl.RegistryContext;
import org.jbpm.casemgmt.api.StageNotFoundException;
import org.jbpm.casemgmt.impl.event.CaseEventSupport;
import org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl;
import org.jbpm.workflow.instance.node.DynamicNodeInstance;
import org.jbpm.workflow.instance.node.DynamicUtils;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.process.ProcessInstance;
import org.kie.internal.identity.IdentityProvider;
import org.kie.api.runtime.Context;
import java.util.Map;
/**
* Adds task to given stage within selected ad hoc process instance with given parameters
*
*/
public class AddDynamicTaskToStageCommand extends CaseCommand<Void> {
private static final long serialVersionUID = 6345222909719335954L;
private String caseId;
private String nodeType;
private String stageId;
private long processInstanceId;
private Map<String, Object> parameters;
public AddDynamicTaskToStageCommand(IdentityProvider identityProvider, String caseId, String nodeType, Long processInstanceId, String stageId, Map<String, Object> parameters) {
super(identityProvider);
this.caseId = caseId;
this.nodeType = nodeType;
this.processInstanceId = processInstanceId;
this.stageId = stageId;
this.parameters = parameters;
if (processInstanceId == null || stageId == null) {
throw new IllegalArgumentException("Process instance id and stage id are mandatory");
}
}
@Override
public Void execute(Context context) {
KieSession ksession = ((RegistryContext) context).lookup( KieSession.class );
ProcessInstance processInstance = ksession.getProcessInstance(processInstanceId);
DynamicNodeInstance dynamicContext = (DynamicNodeInstance) ((WorkflowProcessInstanceImpl) processInstance).getNodeInstances(true).stream()
.filter(ni -> (ni instanceof DynamicNodeInstance) && stageId.equals(ni.getNode().getMetaData().get("UniqueId")))
.findFirst()
.orElse(null);
if (dynamicContext == null) {
throw new StageNotFoundException("No stage found with id " + stageId);
}
CaseEventSupport caseEventSupport = getCaseEventSupport(context);
caseEventSupport.fireBeforeDynamicTaskAdded(caseId, processInstanceId, nodeType, parameters);
DynamicUtils.addDynamicWorkItem(dynamicContext, ksession, nodeType, parameters);
caseEventSupport.fireAfterDynamicTaskAdded(caseId, processInstanceId, nodeType, parameters);
return null;
}
}