diff options
Diffstat (limited to 'src/main/java/com/google/devtools/build/skyframe/ValueOrException.java')
| -rw-r--r-- | src/main/java/com/google/devtools/build/skyframe/ValueOrException.java | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/skyframe/ValueOrException.java b/src/main/java/com/google/devtools/build/skyframe/ValueOrException.java new file mode 100644 index 0000000000..d68209501b --- /dev/null +++ b/src/main/java/com/google/devtools/build/skyframe/ValueOrException.java @@ -0,0 +1,24 @@ +// Copyright 2014 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.skyframe; + +import javax.annotation.Nullable; + +/** Wrapper for a value or the typed exception thrown when trying to compute it. */ +public abstract class ValueOrException<E 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 E; +} |