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// Copyright 2014 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.skyframe;
import com.google.devtools.build.lib.util.AbruptExitException;
import com.google.devtools.common.options.OptionsProvider;
import javax.annotation.Nullable;
/** A BuildDriver wraps a MemoizingEvaluator, passing along the proper Version. */
public interface BuildDriver {
/**
* See {@link MemoizingEvaluator#evaluate}, which has the same semantics except for the inclusion
* of a {@link Version} value.
*/
<T extends SkyValue> EvaluationResult<T> evaluate(
Iterable<? extends SkyKey> roots, EvaluationContext evaluationContext)
throws InterruptedException;
/**
* Retrieve metadata about the computation over the given roots. Data returned is specific to the
* underlying evaluator implementation.
*/
String meta(Iterable<SkyKey> roots, OptionsProvider options)
throws AbruptExitException, InterruptedException;
MemoizingEvaluator getGraphForTesting();
@Nullable
SkyValue getExistingValueForTesting(SkyKey key) throws InterruptedException;
@Nullable
ErrorInfo getExistingErrorForTesting(SkyKey key) throws InterruptedException;
@Nullable
NodeEntry getEntryForTesting(SkyKey key) throws InterruptedException;
}