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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2006, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jdiameter.client.api.fsm;

import org.jdiameter.api.app.StateEvent;
import org.jdiameter.client.api.IMessage;

/**
 * This class extends behaviour of FSM StateEvent
 * 
 * @author [email protected]
 * @author  Alexandre Mendonca 
 * @author  Bartosz Baranowski 
 */
public class FsmEvent implements StateEvent {

    private String key;
    private EventTypes type;
    private Object value;
    private final long createdTime = System.currentTimeMillis();

    /**
     * Create instance of class
     * 
     * @param type type of event
     */
    public FsmEvent(EventTypes type) {
        this.type = type;
    }

    /**
     * Create instance of class with predefined parameters
     * 
     * @param type type of event
     * @param key event key
     */
    public FsmEvent(EventTypes type, String key) {
        this(type);
        this.key = key;
    }

    /**
     * Create instance of class with predefined parameters
     * 
     * @param type type of event
     * @param value attached message
     */
    public FsmEvent(EventTypes type, IMessage value) {
        this(type);
        this.value = value;
    }

    /**
     * Create instance of class with predefined parameters
     * 
     * @param type type of event
     * @param value  attached message
     * @param key event key
     */
    public FsmEvent(EventTypes type, IMessage value, String key) {
        this(type, value);
        this.key = key;
    }

    /**
     * Return key value
     * 
     * @return key value
     */
    public String getKey() {
        return key;
    }

    /**
     * Return attached message
     * 
     * @return diameter message
     */
    public IMessage getMessage() {
        return (IMessage) getData();
    }

    /**
     * Return created time
     *
     * @return created time
     */
    public long getCreatedTime() {
        return createdTime;
    }
    
    public  E encodeType(Class eClass) {
        return (E) type;
    }

    public Enum getType() {
        return type;
    }

    public void setData(Object o) {
        value = o;
    }

    public Object getData() {
        return value;
    }

    public int compareTo(Object o) {
        return 0;
    }

    /**
     * Return string representation of instance
     * 
     * @return string representation of instance
     */
    public String toString() {
      return "Event{name:" + type.name() + ", key:" + key + ", object:" + value + "}";
    }
}