package org.drools.workflow.instance.node;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.drools.common.InternalRuleBase;
import org.drools.process.core.Context;
import org.drools.process.core.ContextContainer;
import org.drools.process.instance.ContextInstance;
import org.drools.process.instance.ContextInstanceContainer;
import org.drools.process.instance.ProcessInstance;
import org.drools.process.instance.impl.ContextInstanceFactory;
import org.drools.process.instance.impl.ContextInstanceFactoryRegistry;
import org.drools.workflow.core.node.CompositeContextNode;
public class CompositeContextNodeInstance extends CompositeNodeInstance implements ContextInstanceContainer {
private static final long serialVersionUID = 4L;
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 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) {
ContextInstanceFactoryRegistry contextRegistry =
((InternalRuleBase) ((ProcessInstance) getProcessInstance())
.getWorkingMemory().getRuleBase())
.getConfiguration().getProcessContextInstanceFactoryRegistry();
ContextInstanceFactory conf = contextRegistry.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;
}
}