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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.skyframe;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import com.google.devtools.build.lib.pkgcache.FilteringPolicy;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
import java.io.Serializable;
import java.util.Objects;
/**
* The value returned by {@link PrepareDepsOfPatternsFunction}. Because that function is
* invoked only for its side effect (i.e. ensuring the graph contains targets matching the
* pattern sequence and their transitive dependencies), this value carries no information.
*/
@Immutable
@ThreadSafe
public final class PrepareDepsOfPatternsValue implements SkyValue {
public static final PrepareDepsOfPatternsValue INSTANCE = new PrepareDepsOfPatternsValue();
private PrepareDepsOfPatternsValue() {
}
@ThreadSafe
public static SkyKey key(ImmutableList<String> patterns, FilteringPolicy policy,
String offset) {
return new SkyKey(SkyFunctions.PREPARE_DEPS_OF_PATTERNS,
new TargetPatternSequence(patterns, policy, offset));
}
/** The argument value for SkyKeys of {@link PrepareDepsOfPatternsFunction}. */
@ThreadSafe
public static class TargetPatternSequence implements Serializable {
private final ImmutableList<String> patterns;
private final FilteringPolicy policy;
private final String offset;
public TargetPatternSequence(ImmutableList<String> patterns,
FilteringPolicy policy, String offset) {
this.patterns = patterns;
this.policy = policy;
this.offset = offset;
}
public ImmutableList<String> getPatterns() {
return patterns;
}
public FilteringPolicy getPolicy() {
return policy;
}
public String getOffset() {
return offset;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof TargetPatternSequence)) {
return false;
}
TargetPatternSequence that = (TargetPatternSequence) o;
return offset.equals(that.offset) && patterns.equals(that.patterns)
&& policy.equals(that.policy);
}
@Override
public int hashCode() {
return Objects.hash(patterns, policy, offset);
}
}
}
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