/**
* Copyright 2010 JBoss Inc
*
* 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.workflow.instance.node;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.jbpm.process.core.Context;
import org.jbpm.process.core.ContextContainer;
import org.jbpm.process.instance.ContextInstance;
import org.jbpm.process.instance.ContextInstanceContainer;
import org.jbpm.process.instance.ContextableInstance;
import org.jbpm.process.instance.ProcessInstance;
import org.jbpm.process.instance.impl.ContextInstanceFactory;
import org.jbpm.process.instance.impl.ContextInstanceFactoryRegistry;
import org.jbpm.workflow.core.node.CompositeContextNode;
public class CompositeContextNodeInstance extends CompositeNodeInstance implements ContextInstanceContainer, ContextableInstance {
private static final long serialVersionUID = 510l;
private Map<String, ContextInstance> contextInstances = new HashMap<String, ContextInstance>();
private Map<String, List<ContextInstance>> subContextInstances = new HashMap<String, List<ContextInstance>>();
protected CompositeContextNode getCompositeContextNode() {
return (CompositeContextNode) getNode();
}
public ContextContainer getContextContainer() {
return getCompositeContextNode();
}
public void setContextInstance(String contextId, ContextInstance contextInstance) {
this.contextInstances.put(contextId, contextInstance);
}
public ContextInstance getContextInstance(String contextId) {
ContextInstance contextInstance = this.contextInstances.get(contextId);
if (contextInstance != null) {
return contextInstance;
}
Context context = getCompositeContextNode().getDefaultContext(contextId);
if (context != null) {
contextInstance = getContextInstance(context);
return contextInstance;
}
return null;
}
public List<ContextInstance> getContextInstances(String contextId) {
return this.subContextInstances.get(contextId);
}
public void addContextInstance(String contextId, ContextInstance contextInstance) {
List<ContextInstance> list = this.subContextInstances.get(contextId);
if (list == null) {
list = new ArrayList<ContextInstance>();
this.subContextInstances.put(contextId, list);
}
list.add(contextInstance);
}
public void removeContextInstance(String contextId, ContextInstance contextInstance) {
List<ContextInstance> list = this.subContextInstances.get(contextId);
if (list != null) {
list.remove(contextInstance);
}
}
public ContextInstance getContextInstance(String contextId, long id) {
List<ContextInstance> contextInstances = subContextInstances.get(contextId);
if (contextInstances != null) {
for (ContextInstance contextInstance: contextInstances) {
if (contextInstance.getContextId() == id) {
return contextInstance;
}
}
}
return null;
}
public ContextInstance getContextInstance(final Context context) {
ContextInstanceFactory conf = ContextInstanceFactoryRegistry.INSTANCE.getContextInstanceFactory(context);
if (conf == null) {
throw new IllegalArgumentException("Illegal context type (registry not found): " + context.getClass());
}
ContextInstance contextInstance = (ContextInstance) conf.getContextInstance(context, this, (ProcessInstance) getProcessInstance());
if (contextInstance == null) {
throw new IllegalArgumentException("Illegal context type (instance not found): " + context.getClass());
}
return contextInstance;
}
}