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Rollforward change of Java coverage logic.
RELNOTES: None. *** Original change description *** Automated rollback of commit 8d6fc64. PiperOrigin-RevId: 170038845
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src/main/java/com/google/devtools/build/lib/analysis/actions/LazyWritePathsFileAction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| // Copyright 2017 The Bazel Authors. 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.google.devtools.build.lib.analysis.actions; | ||
|
|
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| import static java.nio.charset.StandardCharsets.UTF_8; | ||
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| import com.google.common.collect.ImmutableSet; | ||
| import com.google.devtools.build.lib.actions.ActionExecutionContext; | ||
| import com.google.devtools.build.lib.actions.ActionOwner; | ||
| import com.google.devtools.build.lib.actions.Artifact; | ||
| import com.google.devtools.build.lib.collect.nestedset.NestedSet; | ||
| import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder; | ||
| import com.google.devtools.build.lib.util.Fingerprint; | ||
| import java.io.IOException; | ||
| import java.io.OutputStream; | ||
|
|
||
| /** | ||
| * Lazily writes the exec path of the given files separated by newline into a specified output file. | ||
| */ | ||
| public final class LazyWritePathsFileAction extends AbstractFileWriteAction { | ||
| private static final String GUID = "6be94d90-96f3-4bec-8104-1fb08abc2546"; | ||
|
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| private final NestedSet<Artifact> files; | ||
| private final boolean includeOnlyIfSource; | ||
|
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| public LazyWritePathsFileAction( | ||
| ActionOwner owner, Artifact output, NestedSet<Artifact> files, boolean includeOnlyIfSource) { | ||
| super(owner, files, output, false); | ||
| this.files = NestedSetBuilder.fromNestedSet(files).build(); | ||
| this.includeOnlyIfSource = includeOnlyIfSource; | ||
| } | ||
|
|
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| public LazyWritePathsFileAction( | ||
| ActionOwner owner, Artifact output, | ||
| ImmutableSet<Artifact> files, | ||
| boolean includeOnlyIfSource) { | ||
| super(owner, Artifact.NO_ARTIFACTS, output, false); | ||
| this.files = NestedSetBuilder.<Artifact>stableOrder().addAll(files).build(); | ||
| this.includeOnlyIfSource = includeOnlyIfSource; | ||
| } | ||
|
|
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| @Override | ||
| public DeterministicWriter newDeterministicWriter(ActionExecutionContext ctx) { | ||
| return new DeterministicWriter() { | ||
| @Override | ||
| public void writeOutputFile(OutputStream out) throws IOException { | ||
| out.write(getContents().toString().getBytes(UTF_8)); | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| /** | ||
| * Computes the Action key for this action by computing the fingerprint for the file contents. | ||
| */ | ||
| @Override | ||
| protected String computeKey() { | ||
| Fingerprint f = new Fingerprint(); | ||
| f.addString(GUID); | ||
| f.addBoolean(includeOnlyIfSource); | ||
| f.addString(getContents()); | ||
| return f.hexDigestAndReset(); | ||
| } | ||
|
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| private String getContents() { | ||
| StringBuilder stringBuilder = new StringBuilder(); | ||
| for (Artifact file : files) { | ||
| if (includeOnlyIfSource) { | ||
| if (file.isSourceArtifact()) { | ||
| stringBuilder.append(file.getRootRelativePathString()); | ||
| stringBuilder.append("\n"); | ||
| } | ||
| } else { | ||
| stringBuilder.append(file.getRootRelativePathString()); | ||
| stringBuilder.append("\n"); | ||
| } | ||
| } | ||
| return stringBuilder.toString(); | ||
| } | ||
| } |
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