/**
* 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.core.impl;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import org.drools.definition.process.Node;
import org.jbpm.process.core.Context;
import org.jbpm.workflow.core.NodeContainer;
/**
*
* @author <a href="mailto:kris_verlaenen@hotmail.com">Kris Verlaenen</a>
*/
public class NodeContainerImpl implements Serializable, NodeContainer {
private static final long serialVersionUID = 510l;
private Map<Long, Node> nodes;
public NodeContainerImpl() {
this.nodes = new HashMap<Long, Node>();
}
public void addNode(final Node node) {
validateAddNode(node);
if (!this.nodes.containsValue(node)) {
this.nodes.put(new Long(node.getId()), node);
}
}
protected void validateAddNode(Node node) {
if (node == null) {
throw new IllegalArgumentException("Node is null!");
}
}
public Node[] getNodes() {
return (Node[]) this.nodes.values()
.toArray(new Node[this.nodes.size()]);
}
public Node getNode(final long id) {
Node node = this.nodes.get(id);
if (node == null) {
throw new IllegalArgumentException("Unknown node id: " + id);
}
return node;
}
public Node internalGetNode(long id) {
return getNode(id);
}
public void removeNode(final Node node) {
validateRemoveNode(node);
this.nodes.remove(new Long(node.getId()));
}
protected void validateRemoveNode(Node node) {
if (node == null) {
throw new IllegalArgumentException("Node is null");
}
if (this.nodes.get(node.getId()) == null) {
throw new IllegalArgumentException("Unknown node: " + node);
}
}
public Context resolveContext(String contextId, Object param) {
return null;
}
}