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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * 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. See accompanying
 * LICENSE file.
 */
package com.gemstone.gemfire.cache.client.internal.locator.wan;

import com.gemstone.gemfire.internal.admin.remote.DistributionLocatorId;

/**
 * A listener to handle membership when new locator is added to remote locator
 * metadata. This listener is expected to inform all other locators in remote
 * locator metadata about the new locator so that they can update their remote
 * locator metadata.
 * 
 * @author kbachhav
 * 
 */
public interface LocatorMembershipListener {

  /**
   * When the new locator is added to remote locator metadata, inform all other
   * locators in remote locator metadata about the new locator so that they can
   * update their remote locator metadata.
   * 
   * @param locator
   */
  public void locatorJoined(int distributedSystemId, DistributionLocatorId locator, DistributionLocatorId sourceLocator);
}