/*
* Copyright 2000-2015 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 org.jetbrains.concurrency;
import com.intellij.util.Consumer;
import com.intellij.util.Function;
import org.jetbrains.annotations.NotNull;
public class RejectedPromise<T> extends Promise<T> {
private final Throwable error;
public RejectedPromise(@NotNull Throwable error) {
this.error = error;
}
@NotNull
@Override
public Promise<T> done(@NotNull Consumer<T> done) {
return this;
}
@NotNull
@Override
public Promise<T> processed(@NotNull AsyncPromise<T> fulfilled) {
fulfilled.setError(error);
return this;
}
@NotNull
@Override
public Promise<T> rejected(@NotNull Consumer<Throwable> rejected) {
if (!AsyncPromise.isObsolete(rejected)) {
rejected.consume(error);
}
return this;
}
@Override
public RejectedPromise<T> processed(@NotNull Consumer<T> processed) {
processed.consume(null);
return this;
}
@NotNull
@Override
public <SUB_RESULT> Promise<SUB_RESULT> then(@NotNull Function<T, SUB_RESULT> done) {
//noinspection unchecked
return (Promise<SUB_RESULT>)this;
}
@NotNull
@Override
public State getState() {
return State.REJECTED;
}
@Override
public void notify(@NotNull AsyncPromise<T> child) {
child.setError(error);
}
}