/*
 * 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.alerting.internal.spi;

/**
 * Manages registration of {@link AlertingSessionListener}s and provides notifications to them.
 */
public interface AlertingSessionRegistry {

  /**
   * Adds the {@code AlertingSessionListener} and returns true if it was not already
   * registered.
   */
  void addAlertingSessionListener(AlertingSessionListener listener);

  /**
   * Removes the {@code AlertingSessionListener} and returns true if it was registered.
   */
  void removeAlertingSessionListener(AlertingSessionListener listener);
}