1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
// Copyright 2015 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.rules.android;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.ParameterFile.ParameterFileType;
import com.google.devtools.build.lib.actions.ResourceSet;
import com.google.devtools.build.lib.analysis.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.actions.CustomCommandLine;
import com.google.devtools.build.lib.analysis.actions.SpawnAction;
import com.google.devtools.build.lib.rules.java.JavaCompilationHelper;
import com.google.devtools.build.lib.rules.java.Jvm;
import java.util.List;
/**
* Utility for configuring a SingleJar action.
*/
public class SingleJarBuilder {
/**
* Memory consumption of SingleJar is about 250 bytes per entry in the output file. Unfortunately,
* the JVM tends to kill the process with an OOM long before we're at the limit. In the most
* recent example, 400 MB of memory was enough for about 500,000 entries.
*/
private static final String SINGLEJAR_MAX_MEMORY = "-Xmx1600m";
/**
* Estimated resource consumption for a SingleJar action. These values are based on those
* determined to be appropriate for an action creating deploy jars.
*/
private static final ResourceSet RESOURCE_SET =
ResourceSet.createWithRamCpuIo(/*memoryMb = */200.0, /*cpuUsage = */.2, /*ioUsage=*/.2);
private final RuleContext ruleContext;
private Artifact outputJar;
private ImmutableList.Builder<Artifact> inputJars;
/** Creates a builder using the configuration of the rule as the action configuration. */
public SingleJarBuilder(RuleContext ruleContext) {
this.ruleContext = ruleContext;
this.inputJars = ImmutableList.builder();
}
/** Sets the artifact to create with the action. */
public SingleJarBuilder setOutputJar(Artifact outputJar) {
this.outputJar = outputJar;
return this;
}
/** Adds a jar to the list of jars to be merged. */
public SingleJarBuilder addInputJar(Artifact inputJar) {
this.inputJars.add(inputJar);
return this;
}
/** Adds a list of jars to the list of jars to be merged. */
public SingleJarBuilder addInputJars(Iterable<Artifact> inputJars) {
this.inputJars.addAll(inputJars);
return this;
}
/** Builds the action as configured. */
public void build() {
ImmutableList<Artifact> inputs = inputJars.build();
List<String> jvmArgs = ImmutableList.of("-client", SINGLEJAR_MAX_MEMORY);
CustomCommandLine.Builder commandLine = CustomCommandLine.builder();
checkNotNull(outputJar);
commandLine.addExecPath("--output", outputJar);
commandLine.add("--dont_change_compression");
commandLine.add("--exclude_build_data");
commandLine.addExecPaths("--sources", inputs);
ruleContext.registerAction(new SpawnAction.Builder()
.addInputs(inputs)
.addTransitiveInputs(JavaCompilationHelper.getHostJavabaseInputs(ruleContext))
.addOutput(outputJar)
.setResources(RESOURCE_SET)
.setJarExecutable(
ruleContext.getHostConfiguration().getFragment(Jvm.class).getJavaExecutable(),
ruleContext.getPrerequisiteArtifact("$singlejar", Mode.HOST),
jvmArgs)
.setCommandLine(commandLine.build())
.useParameterFile(ParameterFileType.SHELL_QUOTED)
.setProgressMessage("Building classes.jar for .aar")
.setMnemonic("AarClassesJar")
.build(ruleContext));
}
}
|
