com.twitter.heron.api.windowing.DefaultEvictionContext Maven / Gradle / Ivy

Go to download
// Copyright 2017 Twitter. 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.

/**
 * 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 com.twitter.heron.api.windowing;

public class DefaultEvictionContext implements EvictionContext {

  private static final long serialVersionUID = 7857989489355521603L;
  /**
   * Current timestamp
   */
  private final Long referenceTime;

  /**
   * Current event count in window
   */
  private final Long currentCount;

  /**
   * User set sliding window count
   */
  private final Long slidingCount;

  /**
   * User set sliding window interval
   */
  private final Long slidingInterval;

  public DefaultEvictionContext(Long referenceTime) {
    this(referenceTime, null);
  }

  public DefaultEvictionContext(Long referenceTime, Long currentCount) {
    this(referenceTime, currentCount, null);
  }

  public DefaultEvictionContext(Long referenceTime, Long currentCount, Long slidingCount) {
    this(referenceTime, currentCount, slidingCount, null);
  }

  public DefaultEvictionContext(Long referenceTime, Long currentCount, Long slidingCount, Long
      slidingInterval) {
    this.referenceTime = referenceTime;
    this.currentCount = currentCount;
    this.slidingCount = slidingCount;
    this.slidingInterval = slidingInterval;
  }

  @Override
  public Long getReferenceTime() {
    return referenceTime;
  }

  @Override
  public Long getCurrentCount() {
    return currentCount;
  }

  @Override
  public Long getSlidingCount() {
    return slidingCount;
  }

  @Override
  public Long getSlidingInterval() {
    return slidingInterval;
  }
}