/*
* 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.kie.services.impl.admin.commands;
import org.drools.core.command.impl.ExecutableCommand;
import org.drools.core.command.impl.RegistryContext;
import org.jbpm.kie.services.impl.admin.ProcessNodeImpl;
import org.jbpm.ruleflow.instance.RuleFlowProcessInstance;
import org.jbpm.services.api.ProcessInstanceNotFoundException;
import org.jbpm.services.api.admin.ProcessNode;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.Context;
import org.kie.internal.command.ProcessInstanceIdCommand;
import java.util.List;
import java.util.stream.Collectors;
public class ListNodesCommand implements ExecutableCommand<List<ProcessNode>>, ProcessInstanceIdCommand {
private static final long serialVersionUID = -8252686458877022330L;
private long processInstanceId;
public ListNodesCommand(long processInstanceId) {
this.processInstanceId = processInstanceId;
}
public List<ProcessNode> execute(Context context) {
List<ProcessNode> nodes = null;
KieSession kieSession = ((RegistryContext) context).lookup( KieSession.class );
RuleFlowProcessInstance wfp = (RuleFlowProcessInstance) kieSession.getProcessInstance(processInstanceId, true);
if (wfp == null) {
throw new ProcessInstanceNotFoundException("No process instance can be found for id " + processInstanceId);
}
String processId = wfp.getProcessId();
nodes = wfp.getRuleFlowProcess().getNodesRecursively().stream()
.map(n -> new ProcessNodeImpl(n.getName(), n.getId(), n.getClass().getSimpleName(), processId))
.collect(Collectors.toList());
return nodes;
}
@Override
public void setProcessInstanceId(Long procInstId) {
this.processInstanceId = procInstId;
}
@Override
public Long getProcessInstanceId() {
return this.processInstanceId;
}
}