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/*
 * Copyright 2014 Goodow.com
 * 
 * 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.goodow.realtime.core;

import com.goodow.realtime.channel.Bus;

/**
 * Registration objects returned when an event handler is bound (e.g. via
 * {@link Bus#registerHandler}), used to deregister.
 */
public interface HandlerRegistration {

  /**
   * Deregisters the handler associated with this registration object if the handler is still
   * attached to the event bus. If the handler is no longer attached to the event bus, this is a
   * no-op.
   */
  void unregisterHandler();
}