| /* |
| * Copyright 2000-2011 JetBrains s.r.o. |
| * |
| * 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.intellij.openapi.vcs.changes; |
| |
| /** |
| * @author irengrig |
| * Date: 7/5/11 |
| * Time: 3:35 PM |
| */ |
| public class TransparentlyFailedValue<T, E extends Exception> implements TransparentlyFailedValueI<T,E> { |
| private T t; |
| private E e; |
| private RuntimeException myRuntime; |
| |
| @Override |
| public void set(final T t) { |
| this.t = t; |
| } |
| |
| @Override |
| public void fail(final E e) { |
| this.e = e; |
| } |
| |
| @Override |
| public void failRuntime(final RuntimeException e) { |
| myRuntime = e; |
| } |
| |
| @Override |
| public T get() throws E { |
| if (this.e != null) throw this.e; |
| if (myRuntime != null) throw myRuntime; |
| return this.t; |
| } |
| |
| public void take(final TransparentlyFailedValue<T,E> value) { |
| this.t = value.t; |
| this.e = value.e; |
| myRuntime = value.myRuntime; |
| } |
| |
| @Override |
| public boolean haveSomething() { |
| return e != null || myRuntime != null || t != null; |
| } |
| } |