src/main/java/com/google/devtools/build/skyframe/ValueOrException4.java


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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 javax.annotation.Nullable;

/** Wrapper for a value or the typed exception thrown when trying to compute it. */
public abstract class ValueOrException4<E1 extends Exception, E2 extends Exception,
    E3 extends Exception, E4 extends Exception> extends ValueOrUntypedException {

  /** Gets the stored value. Throws an exception if one was thrown when computing this value. */
  @Nullable
  public abstract SkyValue get() throws E1, E2, E3, E4;
}