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// Copyright 2015 Google Inc. 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.worker;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.actions.BaseSpawn;
import com.google.devtools.build.lib.vfs.Path;
import java.util.List;
import java.util.Map;
/**
* Data container that uniquely identifies a kind of worker process and is used as the key for the
* {@link WorkerPool}.
*/
final class WorkerKey {
private final ImmutableList<String> args;
private final ImmutableMap<String, String> env;
private final Path workDir;
private final String mnemonic;
WorkerKey(List<String> args, Map<String, String> env, Path workDir, String mnemonic) {
this.args = ImmutableList.copyOf(Preconditions.checkNotNull(args));
this.env = ImmutableMap.copyOf(Preconditions.checkNotNull(env));
this.workDir = Preconditions.checkNotNull(workDir);
this.mnemonic = Preconditions.checkNotNull(mnemonic);
}
public ImmutableList<String> getArgs() {
return args;
}
public ImmutableMap<String, String> getEnv() {
return env;
}
public Path getWorkDir() {
return workDir;
}
public String getMnemonic() {
return mnemonic;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
WorkerKey workerKey = (WorkerKey) o;
if (!args.equals(workerKey.args)) {
return false;
}
if (!env.equals(workerKey.env)) {
return false;
}
if (!workDir.equals(workerKey.workDir)) {
return false;
}
return mnemonic.equals(workerKey.mnemonic);
}
@Override
public int hashCode() {
int result = args.hashCode();
result = 31 * result + env.hashCode();
result = 31 * result + workDir.hashCode();
result = 31 * result + mnemonic.hashCode();
return result;
}
@Override
public String toString() {
return BaseSpawn.asShellCommand(args, workDir, env);
}
}
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