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An RxJava hook which enables gRPC Context propagation.

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/*
 * Copyright 2016 bmcstdio
 *
 * 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.github.bmcstdio.rxjava.hooks;

import rx.functions.Action0;
import rx.functions.Func1;

/**
 * A hook which can be registered with {@link rx.plugins.RxJavaHooks#setOnScheduleAction(Func1)} in
 * order to enable gRPC context propagation.
 */
public final class GrpcContextPropagatingOnScheduleAction implements Func1 {
  @Override
  public Action0 call(final Action0 action0) {
    return new GrpcContextPropagatingAction(action0);
  }
}