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/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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.android.modules.utils;
import android.annotation.NonNull;
import android.os.Handler;
import java.util.Objects;
import java.util.concurrent.Executor;
import java.util.concurrent.RejectedExecutionException;
/**
* An adapter {@link Executor} that posts all executed tasks onto the given
* {@link Handler}.
*/
public class HandlerExecutor implements Executor {
private final Handler mHandler;
public HandlerExecutor(@NonNull Handler handler) {
mHandler = Objects.requireNonNull(handler);
}
@Override
public void execute(Runnable command) {
if (!mHandler.post(command)) {
throw new RejectedExecutionException(mHandler + " is shutting down");
}
}
}
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