| // 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. |
| package com.twitter.heron.api.windowing; |
| |
| public class DefaultEvictionContext implements EvictionContext { |
| |
| /** |
| * 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; |
| } |
| } |