HoldEvent.java

/*
 *  Copyright 2004-2006 Stefan Reuter
 *
 *  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.asteriskjava.manager.event;

/**
 * A HoldEvent is triggered when a channel is put on hold (or no longer on hold).<p>
 * It is implemented in <code>channels/chan_sip.c</code>.<p>
 * Available since Asterisk 1.2 for SIP channels, as of Asterisk 1.6 this event
 * is also supported for IAX2 channels.
 *
 * @author srt
 * @version $Id: HoldEvent.java 967 2008-02-03 07:28:32Z srt $
 * @since 0.2
 */
public class HoldEvent extends ManagerEvent
{
    /**
     * Serializable version identifier.
     */
    static final long serialVersionUID = 0L;

    /**
     * The name of the channel.
     */
    private String channel;

    /**
     * The unique id of the channel.
     */
    private String uniqueId;

    private Boolean status;

    /**
     * Creates a new HoldEvent.
     *
     * @param source
     */
    public HoldEvent(Object source)
    {
        super(source);

        /* Asterisk prior to 1.6 uses Hold and Unhold events instead of the status
         * So we set the status to true in the Hold event and to false in Unhold.
         * For Asterisk 1.6 this is overridden by the status property received with
         * the hold event.
         */
        setStatus(true);
    }

    /**
     * Returns the name of the channel.
     *
     * @return channel the name of the channel.
     */
    public String getChannel()
    {
        return channel;
    }

    /**
     * Sets the name of the channel.
     *
     * @param channel the name of the channel.
     */
    public void setChannel(String channel)
    {
        this.channel = channel;
    }

    /**
     * Returns the unique id of the channel.
     *
     * @return the unique id of the channel.
     */
    public String getUniqueId()
    {
        return uniqueId;
    }

    /**
     * Sets the unique id of the channel.
     *
     * @param uniqueId the unique id of the channel.
     */
    public void setUniqueId(String uniqueId)
    {
        this.uniqueId = uniqueId;
    }

    /**
     * Returns whether this is a hold or unhold event.
     *
     * @return <code>true</code> if this a hold event, <code>false</code> if it's an unhold event.
     * @since 1.0.0
     */
    public Boolean getStatus()
    {
        return status;
    }

    /**
     * Returns whether this is a hold or unhold event.
     *
     * @param status <code>true</code> if this a hold event, <code>false</code> if it's an unhold event.
     * @since 1.0.0
     */
    public void setStatus(Boolean status)
    {
        this.status = status;
    }

    /**
     * Returns whether this is a hold event.
     *
     * @return <code>true</code> if this a hold event, <code>false</code> if it's an unhold event.
     * @since 1.0.0
     */
    public boolean isHold()
    {
        return status != null && status;
    }

    /**
     * Returns whether this is an unhold event.
     *
     * @return <code>true</code> if this an unhold event, <code>false</code> if it's a hold event.
     * @since 1.0.0
     */
    public boolean isUnhold()
    {
        return status != null && !status;
    }
}