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// Copyright 2018 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.pkgcache;
import com.google.devtools.build.lib.cmdline.ResolvedTargets;
import com.google.devtools.build.lib.cmdline.TargetParsingException;
import com.google.devtools.build.lib.concurrent.ThreadSafety;
import com.google.devtools.build.lib.events.ExtendedEventHandler;
import com.google.devtools.build.lib.packages.Target;
import com.google.devtools.build.lib.vfs.PathFragment;
import java.util.Collection;
import java.util.Map;
/**
* A preloader for target patterns. See {@link TargetPatternEvaluator} for more details.
*/
@ThreadSafety.ThreadSafe
public interface TargetPatternPreloader {
/**
* Attempts to parse and load the given collection of patterns; the returned map contains the
* results for each pattern successfully parsed. As a side effect, calling this method populates
* the Skyframe graph, so subsequent calls are faster.
*
* <p>If an error is encountered, a {@link TargetParsingException} is thrown, unless {@code
* keepGoing} is set to true. In that case, the patterns that failed to load have the error flag
* set.
*/
Map<String, ResolvedTargets<Target>> preloadTargetPatterns(
ExtendedEventHandler eventHandler,
PathFragment relativeWorkingDirectory,
Collection<String> patterns,
boolean keepGoing)
throws TargetParsingException, InterruptedException;
}
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