OperationsNodeListener.java

/*
 * Copyright 2014-2016 CyberVision, 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 org.kaaproject.kaa.server.common.zk.operations;

import org.kaaproject.kaa.server.common.zk.gen.OperationsNodeInfo;


/**
 * The listener interface for receiving endpointNode events.
 * The class that is interested in processing a endpointNode
 * event implements this interface, and the object created
 * with that class is registered with a component using the
 * component's <code>addOperationsNodeListener</code> method. When
 * the endpointNode event occurs, that object's appropriate
 * method is invoked.
 */
public interface OperationsNodeListener {

  /**
   * On node added.
   *
   * @param nodeInfo the node info
   */
  void onNodeAdded(OperationsNodeInfo nodeInfo);

  /**
   * Invoked when on node update occurs.
   *
   * @param nodeInfo the node info
   */
  void onNodeUpdated(OperationsNodeInfo nodeInfo);

  /**
   * On node removed.
   *
   * @param nodeInfo the node info
   */
  void onNodeRemoved(OperationsNodeInfo nodeInfo);
}