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FLINK-1722][datastream] Enable the InitializeOnMaster and FinalizeOnM…
…aster interfaces on datastream
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flink-runtime/src/main/java/org/apache/flink/runtime/jobgraph/InputFormatVertex.java
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...k-runtime/src/main/java/org/apache/flink/runtime/jobgraph/InputOutputFormatContainer.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 | ||
| * | ||
| * 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.runtime.jobgraph; | ||
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| import org.apache.flink.api.common.io.InputFormat; | ||
| import org.apache.flink.api.common.io.OutputFormat; | ||
| import org.apache.flink.api.common.operators.util.UserCodeObjectWrapper; | ||
| import org.apache.flink.api.common.operators.util.UserCodeWrapper; | ||
| import org.apache.flink.configuration.Configuration; | ||
| import org.apache.flink.configuration.DelegatingConfiguration; | ||
| import org.apache.flink.core.io.InputSplit; | ||
| import org.apache.flink.runtime.operators.util.TaskConfig; | ||
| import org.apache.flink.util.Preconditions; | ||
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| import org.apache.commons.lang3.tuple.ImmutablePair; | ||
| import org.apache.commons.lang3.tuple.Pair; | ||
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| import java.io.Serializable; | ||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
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| import static org.apache.flink.util.Preconditions.checkNotNull; | ||
|
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| /** | ||
| * A container for {@link InputFormat InputFormats} and {@link OutputFormat OutputFormats}, along with | ||
| * their {@link Configuration}. | ||
| */ | ||
| public class InputOutputFormatContainer { | ||
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| private final FormatUserCodeTable formats; | ||
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| private final Configuration parameters; | ||
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| private final ClassLoader userCodeClassLoader; | ||
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| public InputOutputFormatContainer(ClassLoader classLoader) { | ||
| this.formats = new FormatUserCodeTable(); | ||
| this.parameters = new Configuration(); | ||
| this.userCodeClassLoader = checkNotNull(classLoader); | ||
| } | ||
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| public InputOutputFormatContainer(TaskConfig config, ClassLoader classLoader) { | ||
| checkNotNull(config); | ||
| this.userCodeClassLoader = checkNotNull(classLoader); | ||
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| final UserCodeWrapper<FormatUserCodeTable> wrapper; | ||
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| try { | ||
| wrapper = config.getStubWrapper(classLoader); | ||
| } catch (Throwable t) { | ||
| throw new RuntimeException("Deserializing the input/output formats failed: " + t.getMessage(), t); | ||
| } | ||
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| if (wrapper == null) { | ||
| throw new RuntimeException("No InputFormat or OutputFormat present in task configuration."); | ||
| } | ||
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| try { | ||
| this.formats = wrapper.getUserCodeObject(FormatUserCodeTable.class, classLoader); | ||
| } catch (Throwable t) { | ||
| throw new RuntimeException("Instantiating the input/output formats failed: " + t.getMessage(), t); | ||
| } | ||
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| this.parameters = new Configuration(); | ||
| Configuration stubParameters = config.getStubParameters(); | ||
| for (String key : stubParameters.keySet()) { // copy only the parameters of input/output formats | ||
| parameters.setString(key, stubParameters.getString(key, null)); | ||
| } | ||
| } | ||
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| public Map<OperatorID, UserCodeWrapper<? extends InputFormat<?, ?>>> getInputFormats() { | ||
| return formats.getInputFormats(); | ||
| } | ||
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| public Map<OperatorID, UserCodeWrapper<? extends OutputFormat<?>>> getOutputFormats() { | ||
| return formats.getOutputFormats(); | ||
| } | ||
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| @SuppressWarnings("unchecked") | ||
| public <OT, T extends InputSplit> Pair<OperatorID, InputFormat<OT, T>> getUniqueInputFormat() { | ||
| Map<OperatorID, UserCodeWrapper<? extends InputFormat<?, ?>>> inputFormats = formats.getInputFormats(); | ||
| Preconditions.checkState(inputFormats.size() == 1); | ||
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| Map.Entry<OperatorID, UserCodeWrapper<? extends InputFormat<?, ?>>> entry = inputFormats.entrySet().iterator().next(); | ||
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| return new ImmutablePair<>(entry.getKey(), | ||
| (InputFormat<OT, T>) entry.getValue().getUserCodeObject(InputFormat.class, userCodeClassLoader)); | ||
| } | ||
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| @SuppressWarnings("unchecked") | ||
| public <IT> Pair<OperatorID, OutputFormat<IT>> getUniqueOutputFormat() { | ||
| Map<OperatorID, UserCodeWrapper<? extends OutputFormat<?>>> outputFormats = formats.getOutputFormats(); | ||
| Preconditions.checkState(outputFormats.size() == 1); | ||
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| Map.Entry<OperatorID, UserCodeWrapper<? extends OutputFormat<?>>> entry = outputFormats.entrySet().iterator().next(); | ||
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| return new ImmutablePair<>(entry.getKey(), | ||
| (OutputFormat<IT>) entry.getValue().getUserCodeObject(OutputFormat.class, userCodeClassLoader)); | ||
| } | ||
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| public InputOutputFormatContainer addInputFormat(OperatorID operatorId, InputFormat<?, ?> inputFormat) { | ||
| formats.addInputFormat(operatorId, new UserCodeObjectWrapper<>(inputFormat)); | ||
| return this; | ||
| } | ||
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| public InputOutputFormatContainer addInputFormat(OperatorID operatorId, UserCodeWrapper<? extends InputFormat<?, ?>> wrapper) { | ||
| formats.addInputFormat(operatorId, wrapper); | ||
| return this; | ||
| } | ||
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| public InputOutputFormatContainer addOutputFormat(OperatorID operatorId, OutputFormat<?> outputFormat) { | ||
| formats.addOutputFormat(operatorId, new UserCodeObjectWrapper<>(outputFormat)); | ||
| return this; | ||
| } | ||
|
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| public InputOutputFormatContainer addOutputFormat(OperatorID operatorId, UserCodeWrapper<? extends OutputFormat<?>> wrapper) { | ||
| formats.addOutputFormat(operatorId, wrapper); | ||
| return this; | ||
| } | ||
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| public Configuration getParameters(OperatorID operatorId) { | ||
| return new DelegatingConfiguration(parameters, getParamKeyPrefix(operatorId)); | ||
| } | ||
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| public InputOutputFormatContainer addParameters(OperatorID operatorId, Configuration parameters) { | ||
| for (String key : parameters.keySet()) { | ||
| addParameters(operatorId, key, parameters.getString(key, null)); | ||
| } | ||
| return this; | ||
| } | ||
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| public InputOutputFormatContainer addParameters(OperatorID operatorId, String key, String value) { | ||
| parameters.setString(getParamKeyPrefix(operatorId) + key, value); | ||
| return this; | ||
| } | ||
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| public void write(TaskConfig config) { | ||
| config.setStubWrapper(new UserCodeObjectWrapper<>(formats)); | ||
| config.setStubParameters(parameters); | ||
| } | ||
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| private String getParamKeyPrefix(OperatorID operatorId) { | ||
| return operatorId + "."; | ||
| } | ||
|
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| /** | ||
| * Container for multiple wrappers containing {@link InputFormat} and {@link OutputFormat} code. | ||
| */ | ||
| public static class FormatUserCodeTable implements Serializable { | ||
|
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| private static final long serialVersionUID = 1L; | ||
|
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| private final Map<OperatorID, UserCodeWrapper<? extends InputFormat<?, ?>>> inputFormats; | ||
| private final Map<OperatorID, UserCodeWrapper<? extends OutputFormat<?>>> outputFormats; | ||
|
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| public FormatUserCodeTable() { | ||
| this.inputFormats = new HashMap<>(); | ||
| this.outputFormats = new HashMap<>(); | ||
| } | ||
|
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| public void addInputFormat(OperatorID operatorId, UserCodeWrapper<? extends InputFormat<?, ?>> wrapper) { | ||
| if (inputFormats.containsKey(checkNotNull(operatorId))) { | ||
| throw new IllegalStateException("The input format has been set for the operator: " + operatorId); | ||
| } | ||
|
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| inputFormats.put(operatorId, checkNotNull(wrapper)); | ||
| } | ||
|
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| public void addOutputFormat(OperatorID operatorId, UserCodeWrapper<? extends OutputFormat<?>> wrapper) { | ||
| if (outputFormats.containsKey(checkNotNull(operatorId))) { | ||
| throw new IllegalStateException("The output format has been set for the operator: " + operatorId); | ||
| } | ||
|
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| outputFormats.put(operatorId, checkNotNull(wrapper)); | ||
| } | ||
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| public Map<OperatorID, UserCodeWrapper<? extends InputFormat<?, ?>>> getInputFormats() { | ||
| return Collections.unmodifiableMap(inputFormats); | ||
| } | ||
|
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| public Map<OperatorID, UserCodeWrapper<? extends OutputFormat<?>>> getOutputFormats() { | ||
| return Collections.unmodifiableMap(outputFormats); | ||
| } | ||
| } | ||
| } |
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