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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You 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.apache.geode.management.internal.beans;

import javax.management.ObjectName;

import org.apache.geode.management.internal.FederationComponent;

/**
 * Internal aggregate handlers could(they can be independent of this interface also as long as they
 * adhere to ProxyAggregator contract) implement this interface.
 * 
 * 
 */

public interface AggregateHandler {

  /**
   * 
   * @param objectName name of the proxy object
   * @param interfaceClass interface class of the proxy object.
   * @param proxyObject actual reference of the proxy.
   * @param newVal new value of the Proxy
   */
  public void handleProxyAddition(ObjectName objectName, Class interfaceClass, Object proxyObject,
      FederationComponent newVal);

  /**
   * 
   * @param objectName name of the proxy object
   * @param interfaceClass interface class of the proxy object.
   * @param proxyObject actual reference of the proxy.
   * @param oldVal old value of the Proxy
   */
  public void handleProxyRemoval(ObjectName objectName, Class interfaceClass, Object proxyObject,
      FederationComponent oldVal);

  /**
   * 
   * @param objectName name of the proxy object
   * @param interfaceClass interface class of the proxy object.
   * @param proxyObject actual reference of the proxy.
   * @param newVal new value of the Proxy
   * @param oldVal old value of the proxy
   */
  public void handleProxyUpdate(ObjectName objectName, Class interfaceClass, Object proxyObject,
      FederationComponent newVal, FederationComponent oldVal);

  /**
   * 
   * @param objectName name of the proxy object
   * @param interfaceClass interface class of the proxy object.
   * @param proxyObject actual reference of the proxy.
   * @param newVal new value of the Proxy
   */
  public void handlePseudoCreateProxy(ObjectName objectName, Class interfaceClass,
      Object proxyObject, FederationComponent newVal);

}