4fb372fe16
Move over the Runnable Class into android.telecom and turn on the framework's usage in Telecom. Test: All Telecom unit tests pass. Manual Log testing has also been confirmed to be working as it did before. Bug: 26571395 Change-Id: If7e2036c746c5a953f3a77e2d625a423ce5bf8f3
89 lines
2.6 KiB
Java
89 lines
2.6 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package android.telecom.Logging;
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import android.telecom.Log;
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/**
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* Encapsulates session logging in a Runnable to reduce code duplication when continuing subsessions
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* in a handler/thread.
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* @hide
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*/
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public abstract class Runnable {
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private Session mSubsession;
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private final String mSubsessionName;
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private final Object mLock = new Object();
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private final java.lang.Runnable mRunnable = new java.lang.Runnable() {
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@Override
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public void run() {
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synchronized (mLock) {
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try {
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Log.continueSession(mSubsession, mSubsessionName);
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loggedRun();
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} finally {
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if (mSubsession != null) {
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Log.endSession();
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mSubsession = null;
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}
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}
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}
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}
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};
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public Runnable(String subsessionName) {
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mSubsessionName = subsessionName;
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}
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/**
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* Return the runnable that will be canceled in the handler queue.
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* @return Runnable object to cancel.
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*/
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public final java.lang.Runnable getRunnableToCancel() {
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return mRunnable;
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}
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/**
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* Creates a Runnable and a logging subsession that can be used in a handler/thread. Be sure to
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* call cancel() if this session is never going to be run (removed from a handler queue, for
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* for example).
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* @return A Java Runnable that can be used in a handler queue or thread.
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*/
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public java.lang.Runnable prepare() {
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cancel();
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mSubsession = Log.createSubsession();
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return mRunnable;
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}
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/**
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* This method is used to clean up the active session if the Runnable gets removed from a
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* handler and is never run.
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*/
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public void cancel() {
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synchronized (mLock) {
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Log.cancelSubsession(mSubsession);
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mSubsession = null;
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}
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}
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/**
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* The method that will be run in the handler/thread.
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*/
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abstract public void loggedRun();
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}
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