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Diffstat (limited to 'service/java/com/android/permission/util/BackgroundThread.java')
-rw-r--r--service/java/com/android/permission/util/BackgroundThread.java93
1 files changed, 0 insertions, 93 deletions
diff --git a/service/java/com/android/permission/util/BackgroundThread.java b/service/java/com/android/permission/util/BackgroundThread.java
deleted file mode 100644
index 7308eec98..000000000
--- a/service/java/com/android/permission/util/BackgroundThread.java
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * 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.permission.util;
-
-import android.annotation.NonNull;
-import android.os.Handler;
-import android.os.HandlerExecutor;
-import android.os.HandlerThread;
-
-import com.android.internal.annotations.GuardedBy;
-
-import java.util.concurrent.Executor;
-
-/**
- * Shared singleton background thread.
- */
-public class BackgroundThread extends HandlerThread {
- private static final Object sLock = new Object();
-
- @GuardedBy("sLock")
- private static BackgroundThread sInstance;
- @GuardedBy("sLock")
- private static Handler sHandler;
- @GuardedBy("sLock")
- private static Executor sExecutor;
-
- private BackgroundThread() {
- super(BackgroundThread.class.getName());
- }
-
- @GuardedBy("sLock")
- private static void ensureInstanceLocked() {
- if (sInstance == null) {
- sInstance = new BackgroundThread();
- sInstance.start();
- sHandler = new Handler(sInstance.getLooper());
- sExecutor = new HandlerExecutor(sHandler);
- }
- }
-
- /**
- * Get the singleton instance of thi class.
- *
- * @return the singleton instance of thi class
- */
- @NonNull
- public static BackgroundThread get() {
- synchronized (sLock) {
- ensureInstanceLocked();
- return sInstance;
- }
- }
-
- /**
- * Get the {@link Handler} for this thread.
- *
- * @return the {@link Handler} for this thread.
- */
- @NonNull
- public static Handler getHandler() {
- synchronized (sLock) {
- ensureInstanceLocked();
- return sHandler;
- }
- }
-
- /**
- * Get the {@link Executor} for this thread.
- *
- * @return the {@link Executor} for this thread.
- */
- @NonNull
- public static Executor getExecutor() {
- synchronized (sLock) {
- ensureInstanceLocked();
- return sExecutor;
- }
- }
-}