/*
 * 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.modules.session.internal.filter;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

public abstract class AbstractListener {

  protected final List<ListenerEventType> events = new ArrayList<ListenerEventType>();

  protected CountDownLatch latch;

  public AbstractListener() {
    this(1);
  }

  public AbstractListener(int numCalls) {
    latch = new CountDownLatch(numCalls);
    RendezvousManager.registerListener(this);
  }

  public synchronized void setLatch(int numCalls) {
    latch = new CountDownLatch(numCalls);
    events.clear();
  }

  public boolean await(long timeout, TimeUnit unit) throws InterruptedException {
    return latch.await(timeout, unit);
  }

  public List<ListenerEventType> getEvents() {
    return events;
  }
}
