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Workflow control and configuration java framework
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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 cz.wicketstuff.boss.flow.model.basic;

import java.io.Serializable;
import java.util.Map;

import cz.wicketstuff.boss.flow.model.IFlowState;
import cz.wicketstuff.boss.flow.model.IFlowTransition;
import cz.wicketstuff.boss.flow.model.IFlowTree;

public class FlowTree implements IFlowTree, Serializable {

	private static final long serialVersionUID = 1L;
	
	private Integer flowId;
	private String flowName;
	
	private IFlowState defaultInitialState;
	
	private Map transitionNamesMap;
	private Map transitionIdsMap;
	private Map stateNamesMap;
	private Map stateIdsMap;
	

	public FlowTree() {
	}
	
	public FlowTree(Integer flowId, String flowName) {
		this.flowId = flowId;
		this.flowName = flowName;
	}

	@Override
	public Integer getFlowId() {
		return flowId;
	}

	@Override
	public String getFlowName() {
		return flowName;
	}

	@Override
	public IFlowTransition getTransition(String name) {
		return getTransitionNamesMap().get(name);
	}

	@Override
	public IFlowTransition getTransition(Integer id) {
		return getTransitionIdsMap().get(id);
	}

	@Override
	public IFlowState getState(String name) {
		return getStateNamesMap().get(name);
	}

	@Override
	public IFlowState getState(Integer id) {
		return getStateIdsMap().get(id);
	}

	@Override
	public boolean containsTransition(String name) {
		return getTransitionNamesMap().containsKey(name);
	}

	@Override
	public boolean containsTransition(Integer id) {
		return getTransitionIdsMap().containsKey(id);
	}

	@Override
	public boolean containsState(String name) {
		return getStateNamesMap().containsKey(name);
	}

	@Override
	public boolean containsState(Integer id) {
		return getStateIdsMap().containsKey(id);
	}

	public Map getTransitionNamesMap() {
		return transitionNamesMap;
	}

	public void setTransitionNamesMap(
			Map transitionNamesMap) {
		this.transitionNamesMap = transitionNamesMap;
	}

	public Map getTransitionIdsMap() {
		return transitionIdsMap;
	}

	public void setTransitionIdsMap(Map transitionIdsMap) {
		this.transitionIdsMap = transitionIdsMap;
	}

	public Map getStateNamesMap() {
		return stateNamesMap;
	}

	public void setStateNamesMap(Map stateNamesMap) {
		this.stateNamesMap = stateNamesMap;
	}

	public Map getStateIdsMap() {
		return stateIdsMap;
	}

	public void setStateIdsMap(Map stateIdsMap) {
		this.stateIdsMap = stateIdsMap;
	}
	
	@Override
	public IFlowState getDefaultInitialState() {
		return defaultInitialState;
	}

	public void setDefaultInitialState(IFlowState defaultInitialState) {
		this.defaultInitialState = defaultInitialState;
	}

	@Override
	protected void finalize() throws Throwable {
		if(stateIdsMap != null) {
			stateIdsMap.clear();
			stateIdsMap = null;
		}
		if(stateNamesMap != null) {
			stateNamesMap.clear();
			stateNamesMap = null;
		}
		if(transitionIdsMap != null) {
			transitionIdsMap.clear();
			transitionIdsMap = null;
		}
		if(transitionNamesMap != null) {
			transitionNamesMap.clear();
			transitionNamesMap = null;
		}
		defaultInitialState = null;
		super.finalize();
	}

}