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[streaming] Added CoBatchGroupReduceInvokable, CoWindowGroupReduceInv…
…okable and grouped variants
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117 changes: 117 additions & 0 deletions
117
...ava/org/apache/flink/streaming/api/invokable/operator/co/CoBatchGroupReduceInvokable.java
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| /** | ||
| * 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
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| package org.apache.flink.streaming.api.invokable.operator.co; | ||
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| import org.apache.flink.configuration.Configuration; | ||
| import org.apache.flink.streaming.api.function.co.CoGroupReduceFunction; | ||
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| public class CoBatchGroupReduceInvokable<IN1, IN2, OUT> extends CoGroupReduceInvokable<IN1, IN2, OUT> { | ||
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| private static final long serialVersionUID = 1L; | ||
| protected long startCounter1; | ||
| protected long startCounter2; | ||
| protected long endCounter1; | ||
| protected long endCounter2; | ||
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| public CoBatchGroupReduceInvokable(CoGroupReduceFunction<IN1, IN2, OUT> reduceFunction, | ||
| long windowSize1, long windowSize2, long slideInterval1, long slideInterval2) { | ||
| super(reduceFunction, windowSize1, windowSize2, slideInterval1, slideInterval2); | ||
| } | ||
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| @Override | ||
| protected void handleStream1() throws Exception { | ||
| circularList1.add(reuse1); | ||
| if (windowStart1()) { | ||
| circularList1.newSlide(); | ||
| } | ||
| if (windowEnd1()) { | ||
| reduce1(); | ||
| circularList1.shiftWindow(); | ||
| } | ||
| } | ||
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| @Override | ||
| protected void handleStream2() throws Exception { | ||
| circularList2.add(reuse2); | ||
| if (windowStart2()) { | ||
| circularList2.newSlide(); | ||
| } | ||
| if (windowEnd2()) { | ||
| reduce2(); | ||
| circularList2.shiftWindow(); | ||
| } | ||
| } | ||
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| @Override | ||
| protected boolean windowStart1() throws Exception { | ||
| if (startCounter1 == slideInterval1) { | ||
| startCounter1 = 0; | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
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| @Override | ||
| protected boolean windowStart2() throws Exception { | ||
| if (startCounter2 == slideInterval2) { | ||
| startCounter2 = 0; | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
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| @Override | ||
| protected boolean windowEnd1() throws Exception { | ||
| if (endCounter1 == windowSize1) { | ||
| endCounter1 -= slideInterval1; | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
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| @Override | ||
| protected boolean windowEnd2() throws Exception { | ||
| if (endCounter2 == windowSize2) { | ||
| endCounter2 -= slideInterval2; | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
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| @Override | ||
| public void open(Configuration parameters) throws Exception { | ||
| super.open(parameters); | ||
| startCounter1 = 0; | ||
| startCounter2 = 0; | ||
| endCounter1 = 0; | ||
| endCounter2 = 0; | ||
| } | ||
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| @Override | ||
| protected void initialize1() { | ||
| startCounter1++; | ||
| endCounter1++; | ||
| } | ||
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| @Override | ||
| protected void initialize2() { | ||
| startCounter2++; | ||
| endCounter2++; | ||
| } | ||
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| } |
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