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Posted to commits@beam.apache.org by ec...@apache.org on 2019/01/04 10:38:24 UTC
[beam] 02/50: Fix missing dep
This is an automated email from the ASF dual-hosted git repository.
echauchot pushed a commit to branch spark-runner_structured-streaming
in repository https://gitbox.apache.org/repos/asf/beam.git
commit 737af2f32b74ea1c067851ae5efb376ad31f392b
Author: Etienne Chauchot <ec...@apache.org>
AuthorDate: Wed Nov 14 14:35:08 2018 +0100
Fix missing dep
---
.../org/apache/beam/gradle/BeamModulePlugin.groovy | 2 +-
.../translation/EvaluationContext.java | 261 +++++++++++++++++++++
2 files changed, 262 insertions(+), 1 deletion(-)
diff --git a/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy b/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy
index e6cfed1..f171445 100644
--- a/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy
+++ b/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy
@@ -441,7 +441,7 @@ class BeamModulePlugin implements Plugin<Project> {
slf4j_jdk14 : "org.slf4j:slf4j-jdk14:1.7.25",
slf4j_log4j12 : "org.slf4j:slf4j-log4j12:1.7.25",
snappy_java : "org.xerial.snappy:snappy-java:1.1.4",
- spark_sql : "org.apache.spark:spark-core_2.11:$spark_structured_streaming_version",
+ spark_sql : "org.apache.spark:spark-sql_2.11:$spark_structured_streaming_version",
spark_core : "org.apache.spark:spark-core_2.11:$spark_version",
spark_network_common : "org.apache.spark:spark-network-common_2.11:$spark_version",
spark_streaming : "org.apache.spark:spark-streaming_2.11:$spark_version",
diff --git a/runners/spark-structured-streaming/src/main/java/org/apache/beam/runners/spark/structuredstreaming/translation/EvaluationContext.java b/runners/spark-structured-streaming/src/main/java/org/apache/beam/runners/spark/structuredstreaming/translation/EvaluationContext.java
new file mode 100644
index 0000000..47a3098
--- /dev/null
+++ b/runners/spark-structured-streaming/src/main/java/org/apache/beam/runners/spark/structuredstreaming/translation/EvaluationContext.java
@@ -0,0 +1,261 @@
+/*
+ * 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.beam.runners.spark.structuredstreaming.translation;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import com.google.common.collect.Iterables;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+import org.apache.beam.runners.core.construction.SerializablePipelineOptions;
+import org.apache.beam.runners.core.construction.TransformInputs;
+import org.apache.beam.runners.spark.structuredstreaming.SparkPipelineOptions;
+import org.apache.beam.sdk.Pipeline;
+import org.apache.beam.sdk.coders.Coder;
+import org.apache.beam.sdk.options.PipelineOptions;
+import org.apache.beam.sdk.runners.AppliedPTransform;
+import org.apache.beam.sdk.transforms.PTransform;
+import org.apache.beam.sdk.transforms.windowing.BoundedWindow;
+import org.apache.beam.sdk.util.WindowedValue;
+import org.apache.beam.sdk.values.PCollection;
+import org.apache.beam.sdk.values.PCollectionView;
+import org.apache.beam.sdk.values.PValue;
+import org.apache.beam.sdk.values.TupleTag;
+import org.apache.spark.api.java.JavaRDD;
+import org.apache.spark.api.java.JavaSparkContext;
+import org.apache.spark.sql.SparkSession;
+import org.apache.spark.streaming.api.java.JavaStreamingContext;
+
+/**
+ * The EvaluationContext allows us to define pipeline instructions and translate between {@code
+ * PObject<T>}s or {@code PCollection<T>}s and Ts or DStreams/RDDs of Ts.
+ */
+public class EvaluationContext {
+ private SparkSession sparkSession;
+ private final Pipeline pipeline;
+ private final Map<PValue, Dataset> datasets = new LinkedHashMap<>();
+ private final Map<PValue, Dataset> pcollections = new LinkedHashMap<>();
+ private final Set<Dataset> leaves = new LinkedHashSet<>();
+ private final Map<PValue, Object> pobjects = new LinkedHashMap<>();
+ private AppliedPTransform<?, ?, ?> currentTransform;
+ private final SparkPCollectionView pviews = new SparkPCollectionView();
+ private final Map<PCollection, Long> cacheCandidates = new HashMap<>();
+ private final PipelineOptions options;
+ private final SerializablePipelineOptions serializableOptions;
+
+ public EvaluationContext(JavaSparkContext jsc, Pipeline pipeline, PipelineOptions options) {
+ this.jsc = jsc;
+ this.pipeline = pipeline;
+ this.options = options;
+ this.serializableOptions = new SerializablePipelineOptions(options);
+ }
+
+ public EvaluationContext(
+ JavaSparkContext jsc, Pipeline pipeline, PipelineOptions options, JavaStreamingContext jssc) {
+ this(jsc, pipeline, options);
+ this.jssc = jssc;
+ }
+
+ public JavaSparkContext getSparkContext() {
+ return jsc;
+ }
+
+ public JavaStreamingContext getStreamingContext() {
+ return jssc;
+ }
+
+ public Pipeline getPipeline() {
+ return pipeline;
+ }
+
+ public PipelineOptions getOptions() {
+ return options;
+ }
+
+ public SerializablePipelineOptions getSerializableOptions() {
+ return serializableOptions;
+ }
+
+ public void setCurrentTransform(AppliedPTransform<?, ?, ?> transform) {
+ this.currentTransform = transform;
+ }
+
+ public AppliedPTransform<?, ?, ?> getCurrentTransform() {
+ return currentTransform;
+ }
+
+ public <T extends PValue> T getInput(PTransform<T, ?> transform) {
+ @SuppressWarnings("unchecked")
+ T input =
+ (T) Iterables.getOnlyElement(TransformInputs.nonAdditionalInputs(getCurrentTransform()));
+ return input;
+ }
+
+ public <T> Map<TupleTag<?>, PValue> getInputs(PTransform<?, ?> transform) {
+ checkArgument(currentTransform != null, "can only be called with non-null currentTransform");
+ checkArgument(
+ currentTransform.getTransform() == transform, "can only be called with current transform");
+ return currentTransform.getInputs();
+ }
+
+ public <T extends PValue> T getOutput(PTransform<?, T> transform) {
+ @SuppressWarnings("unchecked")
+ T output = (T) Iterables.getOnlyElement(getOutputs(transform).values());
+ return output;
+ }
+
+ public Map<TupleTag<?>, PValue> getOutputs(PTransform<?, ?> transform) {
+ checkArgument(currentTransform != null, "can only be called with non-null currentTransform");
+ checkArgument(
+ currentTransform.getTransform() == transform, "can only be called with current transform");
+ return currentTransform.getOutputs();
+ }
+
+ public Map<TupleTag<?>, Coder<?>> getOutputCoders() {
+ return currentTransform
+ .getOutputs()
+ .entrySet()
+ .stream()
+ .filter(e -> e.getValue() instanceof PCollection)
+ .collect(Collectors.toMap(e -> e.getKey(), e -> ((PCollection) e.getValue()).getCoder()));
+ }
+
+ private boolean shouldCache(PValue pvalue) {
+ if ((pvalue instanceof PCollection)
+ && cacheCandidates.containsKey(pvalue)
+ && cacheCandidates.get(pvalue) > 1) {
+ return true;
+ }
+ return false;
+ }
+
+ public void putDataset(
+ PTransform<?, ? extends PValue> transform, Dataset dataset, boolean forceCache) {
+ putDataset(getOutput(transform), dataset, forceCache);
+ }
+
+ public void putDataset(PTransform<?, ? extends PValue> transform, Dataset dataset) {
+ putDataset(transform, dataset, false);
+ }
+
+ public void putDataset(PValue pvalue, Dataset dataset, boolean forceCache) {
+ try {
+ dataset.setName(pvalue.getName());
+ } catch (IllegalStateException e) {
+ // name not set, ignore
+ }
+ if ((forceCache || shouldCache(pvalue)) && pvalue instanceof PCollection) {
+ // we cache only PCollection
+ Coder<?> coder = ((PCollection<?>) pvalue).getCoder();
+ Coder<? extends BoundedWindow> wCoder =
+ ((PCollection<?>) pvalue).getWindowingStrategy().getWindowFn().windowCoder();
+ dataset.cache(storageLevel(), WindowedValue.getFullCoder(coder, wCoder));
+ }
+ datasets.put(pvalue, dataset);
+ leaves.add(dataset);
+ }
+
+ public Dataset borrowDataset(PTransform<? extends PValue, ?> transform) {
+ return borrowDataset(getInput(transform));
+ }
+
+ public Dataset borrowDataset(PValue pvalue) {
+ Dataset dataset = datasets.get(pvalue);
+ leaves.remove(dataset);
+ return dataset;
+ }
+
+ /**
+ * Computes the outputs for all RDDs that are leaves in the DAG and do not have any actions (like
+ * saving to a file) registered on them (i.e. they are performed for side effects).
+ */
+ public void computeOutputs() {
+ for (Dataset dataset : leaves) {
+ dataset.action(); // force computation.
+ }
+ }
+
+ /**
+ * Retrieve an object of Type T associated with the PValue passed in.
+ *
+ * @param value PValue to retrieve associated data for.
+ * @param <T> Type of object to return.
+ * @return Native object.
+ */
+ @SuppressWarnings("TypeParameterUnusedInFormals")
+ public <T> T get(PValue value) {
+ if (pobjects.containsKey(value)) {
+ T result = (T) pobjects.get(value);
+ return result;
+ }
+ if (pcollections.containsKey(value)) {
+ JavaRDD<?> rdd = ((BoundedDataset) pcollections.get(value)).getRDD();
+ T res = (T) Iterables.getOnlyElement(rdd.collect());
+ pobjects.put(value, res);
+ return res;
+ }
+ throw new IllegalStateException("Cannot resolve un-known PObject: " + value);
+ }
+
+ /**
+ * Return the current views creates in the pipeline.
+ *
+ * @return SparkPCollectionView
+ */
+ public SparkPCollectionView getPViews() {
+ return pviews;
+ }
+
+ /**
+ * Adds/Replaces a view to the current views creates in the pipeline.
+ *
+ * @param view - Identifier of the view
+ * @param value - Actual value of the view
+ * @param coder - Coder of the value
+ */
+ public void putPView(
+ PCollectionView<?> view,
+ Iterable<WindowedValue<?>> value,
+ Coder<Iterable<WindowedValue<?>>> coder) {
+ pviews.putPView(view, value, coder);
+ }
+
+ /**
+ * Get the map of cache candidates hold by the evaluation context.
+ *
+ * @return The current {@link Map} of cache candidates.
+ */
+ public Map<PCollection, Long> getCacheCandidates() {
+ return this.cacheCandidates;
+ }
+
+ <T> Iterable<WindowedValue<T>> getWindowedValues(PCollection<T> pcollection) {
+ @SuppressWarnings("unchecked")
+ BoundedDataset<T> boundedDataset = (BoundedDataset<T>) datasets.get(pcollection);
+ leaves.remove(boundedDataset);
+ return boundedDataset.getValues(pcollection);
+ }
+
+ public String storageLevel() {
+ return serializableOptions.get().as(SparkPipelineOptions.class).getStorageLevel();
+ }
+}