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[FLINK-35025][Runtime/State] Abstract stream operators for async stat…
…e processing
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127 changes: 127 additions & 0 deletions
127
...e/flink/streaming/runtime/operators/asyncprocessing/AbstractAsyncStateStreamOperator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.flink.streaming.runtime.operators.asyncprocessing; | ||
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| import org.apache.flink.annotation.Internal; | ||
| import org.apache.flink.annotation.VisibleForTesting; | ||
| import org.apache.flink.api.common.operators.MailboxExecutor; | ||
| import org.apache.flink.api.common.typeutils.TypeSerializer; | ||
| import org.apache.flink.api.java.functions.KeySelector; | ||
| import org.apache.flink.runtime.asyncprocessing.AsyncExecutionController; | ||
| import org.apache.flink.runtime.asyncprocessing.RecordContext; | ||
| import org.apache.flink.streaming.api.graph.StreamConfig; | ||
| import org.apache.flink.streaming.api.operators.AbstractStreamOperator; | ||
| import org.apache.flink.streaming.api.operators.Output; | ||
| import org.apache.flink.streaming.api.operators.TwoInputStreamOperator; | ||
| import org.apache.flink.streaming.runtime.streamrecord.StreamRecord; | ||
| import org.apache.flink.streaming.runtime.tasks.StreamTask; | ||
| import org.apache.flink.util.function.ThrowingConsumer; | ||
|
|
||
| import java.lang.reflect.ParameterizedType; | ||
|
|
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| /** | ||
| * This operator is an abstract class that give the {@link AbstractStreamOperator} the ability to | ||
| * perform {@link AsyncStateProcessing}. The aim is to make any subclass of {@link | ||
| * AbstractStreamOperator} could manipulate async state with only a change of base class. | ||
| */ | ||
| @Internal | ||
| @SuppressWarnings("rawtypes") | ||
| public abstract class AbstractAsyncStateStreamOperator<OUT> extends AbstractStreamOperator<OUT> | ||
| implements AsyncStateProcessing { | ||
|
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| private AsyncExecutionController asyncExecutionController; | ||
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| private RecordContext lastProcessContext; | ||
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| /** Initialize necessary state components for {@link AbstractStreamOperator}. */ | ||
| @Override | ||
| public void setup( | ||
| StreamTask<?, ?> containingTask, | ||
| StreamConfig config, | ||
| Output<StreamRecord<OUT>> output) { | ||
| super.setup(containingTask, config, output); | ||
| // TODO: properly read config and setup | ||
| final MailboxExecutor mailboxExecutor = | ||
| containingTask.getEnvironment().getMainMailboxExecutor(); | ||
| this.asyncExecutionController = | ||
| new AsyncExecutionController(getTypeClassOfKey(), mailboxExecutor, null); | ||
| } | ||
|
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| private Class<?> getTypeClassOfKey() { | ||
| final TypeSerializer<?> keySerializer = | ||
| config.getStateKeySerializer(getUserCodeClassloader()); | ||
| return (Class) | ||
| ((ParameterizedType) keySerializer.getClass().getGenericSuperclass()) | ||
| .getActualTypeArguments()[0]; | ||
| } | ||
|
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| @Override | ||
| public final boolean isAsyncStateProcessingEnabled() { | ||
| // TODO: Read from config | ||
| return true; | ||
| } | ||
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| @Override | ||
| @SuppressWarnings("unchecked") | ||
| public final <T> void setAsyncKeyedContextElement( | ||
| StreamRecord<T> record, KeySelector<T, ?> keySelector) throws Exception { | ||
| lastProcessContext = | ||
| asyncExecutionController.buildContext( | ||
| record.getValue(), keySelector.getKey(record.getValue())); | ||
| lastProcessContext.retain(); | ||
| asyncExecutionController.setCurrentContext(lastProcessContext); | ||
| } | ||
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| @Override | ||
| public final void postProcessElement() { | ||
| lastProcessContext.release(); | ||
| } | ||
|
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| @Override | ||
| @SuppressWarnings("unchecked") | ||
| public final <T> ThrowingConsumer<StreamRecord<T>, Exception> getRecordProcessor( | ||
| InputOrdinal input) { | ||
| // Ideally, only TwoStreamInputOperator will invoke here. | ||
| if (this instanceof TwoInputStreamOperator) { | ||
| switch (input) { | ||
| case FIRST: | ||
| return record -> { | ||
| setAsyncKeyedContextElement(record, (KeySelector<T, ?>) stateKeySelector1); | ||
| ((TwoInputStreamOperator) this).processElement1(record); | ||
| postProcessElement(); | ||
| }; | ||
| case SECOND: | ||
| return record -> { | ||
| setAsyncKeyedContextElement(record, (KeySelector<T, ?>) stateKeySelector2); | ||
| ((TwoInputStreamOperator) this).processElement2(record); | ||
| postProcessElement(); | ||
| }; | ||
| default: | ||
| throw new IllegalArgumentException("Unsupported input ordinal."); | ||
| } | ||
| } | ||
| throw new UnsupportedOperationException( | ||
| "Unsupported operator type for async processing:" + getClass().getName()); | ||
| } | ||
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| @VisibleForTesting | ||
| AsyncExecutionController<?> getAsyncExecutionController() { | ||
| return asyncExecutionController; | ||
| } | ||
| } |
110 changes: 110 additions & 0 deletions
110
...flink/streaming/runtime/operators/asyncprocessing/AbstractAsyncStateStreamOperatorV2.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| /* | ||
| * 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.flink.streaming.runtime.operators.asyncprocessing; | ||
|
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| import org.apache.flink.annotation.Internal; | ||
| import org.apache.flink.annotation.VisibleForTesting; | ||
| import org.apache.flink.api.common.operators.MailboxExecutor; | ||
| import org.apache.flink.api.common.typeutils.TypeSerializer; | ||
| import org.apache.flink.api.java.functions.KeySelector; | ||
| import org.apache.flink.runtime.asyncprocessing.AsyncExecutionController; | ||
| import org.apache.flink.runtime.asyncprocessing.RecordContext; | ||
| import org.apache.flink.streaming.api.operators.AbstractStreamOperatorV2; | ||
| import org.apache.flink.streaming.api.operators.StreamOperatorParameters; | ||
| import org.apache.flink.streaming.api.operators.StreamTaskStateInitializer; | ||
| import org.apache.flink.streaming.runtime.streamrecord.StreamRecord; | ||
| import org.apache.flink.util.function.ThrowingConsumer; | ||
|
|
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| import java.lang.reflect.ParameterizedType; | ||
|
|
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| /** | ||
| * This operator is an abstract class that give the {@link AbstractStreamOperatorV2} the ability to | ||
| * perform {@link AsyncStateProcessing}. The aim is to make any subclass of {@link | ||
| * AbstractStreamOperatorV2} could manipulate async state with only a change of base class. | ||
| */ | ||
| @Internal | ||
| @SuppressWarnings("rawtypes") | ||
| public abstract class AbstractAsyncStateStreamOperatorV2<OUT> extends AbstractStreamOperatorV2<OUT> | ||
| implements AsyncStateProcessing { | ||
|
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| private AsyncExecutionController asyncExecutionController; | ||
|
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| private RecordContext lastProcessContext; | ||
|
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| public AbstractAsyncStateStreamOperatorV2( | ||
| StreamOperatorParameters<OUT> parameters, int numberOfInputs) { | ||
| super(parameters, numberOfInputs); | ||
| } | ||
|
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| /** Initialize necessary state components for {@link AbstractStreamOperatorV2}. */ | ||
| @Override | ||
| public final void initializeState(StreamTaskStateInitializer streamTaskStateManager) | ||
| throws Exception { | ||
| super.initializeState(streamTaskStateManager); | ||
| // TODO: Read config and properly set. | ||
| final MailboxExecutor mailboxExecutor = | ||
| getRuntimeContext().getTaskEnvironment().getMainMailboxExecutor(); | ||
| this.asyncExecutionController = | ||
| new AsyncExecutionController(getTypeClassOfKey(), mailboxExecutor, null); | ||
| } | ||
|
|
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| private Class<?> getTypeClassOfKey() { | ||
| final TypeSerializer<?> keySerializer = | ||
| config.getStateKeySerializer(getUserCodeClassloader()); | ||
| return (Class) | ||
| ((ParameterizedType) keySerializer.getClass().getGenericSuperclass()) | ||
| .getActualTypeArguments()[0]; | ||
| } | ||
|
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| @Override | ||
| public final boolean isAsyncStateProcessingEnabled() { | ||
| // TODO: Read from config | ||
| return true; | ||
| } | ||
|
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| @Override | ||
| @SuppressWarnings("unchecked") | ||
| public final <T> void setAsyncKeyedContextElement( | ||
| StreamRecord<T> record, KeySelector<T, ?> keySelector) throws Exception { | ||
| lastProcessContext = | ||
| asyncExecutionController.buildContext( | ||
| record.getValue(), keySelector.getKey(record.getValue())); | ||
| lastProcessContext.retain(); | ||
| asyncExecutionController.setCurrentContext(lastProcessContext); | ||
| } | ||
|
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| @Override | ||
| public final void postProcessElement() { | ||
| lastProcessContext.release(); | ||
| } | ||
|
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| @Override | ||
| public final <T> ThrowingConsumer<StreamRecord<T>, Exception> getRecordProcessor( | ||
| InputOrdinal input) { | ||
| // The real logic should be in AbstractInput#getRecordProcessor. | ||
| throw new UnsupportedOperationException( | ||
| "Never getRecordProcessor from AbstractAsyncStateStreamOperatorV2," | ||
| + " since this part is handled by the Input."); | ||
| } | ||
|
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| @VisibleForTesting | ||
| AsyncExecutionController<?> getAsyncExecutionController() { | ||
| return asyncExecutionController; | ||
| } | ||
| } |
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