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// 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.packages;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.events.Location;
import com.google.devtools.build.lib.syntax.Type;
import java.util.Collection;
import javax.annotation.Nullable;
/**
* An {@link AttributeMap} that delegates all behavior to another {@link AttributeMap}. Useful
* for custom mappers that just want to override specific scenarios.
*/
public class DelegatingAttributeMapper implements AttributeMap {
private final AttributeMap delegate;
public DelegatingAttributeMapper(AttributeMap delegate) {
this.delegate = Preconditions.checkNotNull(delegate);
}
@Override
public String getName() {
return delegate.getName();
}
@Override
public Label getLabel() {
return delegate.getLabel();
}
@Override
public String getRuleClassName() {
return delegate.getRuleClassName();
}
@Override
public <T> T get(String attributeName, Type<T> type) {
return delegate.get(attributeName, type);
}
@Override
public boolean isConfigurable(String attributeName) {
return delegate.isConfigurable(attributeName);
}
@Override
public Iterable<String> getAttributeNames() {
return delegate.getAttributeNames();
}
@Nullable
@Override
public Type<?> getAttributeType(String attrName) {
return delegate.getAttributeType(attrName);
}
@Nullable
@Override
public Attribute getAttributeDefinition(String attrName) {
return delegate.getAttributeDefinition(attrName);
}
@Override
public boolean isAttributeValueExplicitlySpecified(String attributeName) {
return delegate.isAttributeValueExplicitlySpecified(attributeName);
}
@Override
public Collection<DepEdge> visitLabels() throws InterruptedException {
return delegate.visitLabels();
}
@Override
public String getPackageDefaultHdrsCheck() {
return delegate.getPackageDefaultHdrsCheck();
}
@Override
public Boolean getPackageDefaultTestOnly() {
return delegate.getPackageDefaultTestOnly();
}
@Override
public String getPackageDefaultDeprecation() {
return delegate.getPackageDefaultDeprecation();
}
@Override
public ImmutableList<String> getPackageDefaultCopts() {
return delegate.getPackageDefaultCopts();
}
@Override
public boolean has(String attrName) {
return delegate.has(attrName);
}
@Override
public <T> boolean has(String attrName, Type<T> type) {
return delegate.has(attrName, type);
}
@Override
public Location getAttributeLocation(String attrName) {
return delegate.getAttributeLocation(attrName);
}
}
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