io.grpc.internal.ContextRunnable Maven / Gradle / Ivy
/*
* Copyright 2015, gRPC 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 io.grpc.internal;
import io.grpc.Context;
/**
* Utility base implementation of {@link Runnable} that performs the same function as
* {@link Context#wrap(Runnable)} without requiring the construction of an additional object.
*/
abstract class ContextRunnable implements Runnable {
private final Context context;
public ContextRunnable(Context context) {
this.context = context;
}
@Override
public final void run() {
Context previous = context.attach();
try {
runInContext();
} finally {
context.detach(previous);
}
}
public abstract void runInContext();
}