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/*
* Copyright 2014, 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.server.telecom;
import android.os.Looper;
/**
* Helper methods to deal with threading related tasks.
*/
public final class ThreadUtil {
private static final String TAG = ThreadUtil.class.getSimpleName();
private ThreadUtil() {}
/** @return whether this method is being called from the main (UI) thread. */
public static boolean isOnMainThread() {
return Looper.getMainLooper() == Looper.myLooper();
}
/**
* Checks that this is being executed on the main thread. If not, a message is logged at
* WTF-level priority.
*/
public static void checkOnMainThread() {
if (!isOnMainThread()) {
Log.wtf(TAG, new IllegalStateException(), "Must be on the main thread!");
}
}
/**
* Checks that this is not being executed on the main thread. If so, a message is logged at
* WTF-level priority.
*/
public static void checkNotOnMainThread() {
if (isOnMainThread()) {
Log.wtf(TAG, new IllegalStateException(), "Must not be on the main thread!");
}
}
}
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