TaskEventService.java

/*******************************************************************************
 * Copyright 2012 Urbancode, 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 com.urbancode.terraform.tasks.vmware.events;

import java.util.HashSet;
import java.util.Set;


public final class TaskEventService {

    //**********************************************************************************************
    // CLASS
    //**********************************************************************************************

    //**********************************************************************************************
    // INSTANCE
    //**********************************************************************************************
    private Set<TaskEventListener> listeners = new HashSet<TaskEventListener>();

    //----------------------------------------------------------------------------------------------
    public TaskEventService() {
    }

    //----------------------------------------------------------------------------------------------
    synchronized public void addEventListener(TaskEventListener listener) {
        listeners.add(listener);
    }

    //----------------------------------------------------------------------------------------------
    synchronized public void removeEventListener(TaskEventListener listener) {
        listeners.remove(listener);
    }

    //----------------------------------------------------------------------------------------------
    synchronized public void sendEvent(TaskEvent event) {
        for (TaskEventListener listener : listeners) {
            listener.handleEvent(event);
        }
    }

}