| /* |
| * Copyright (C) 2009 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.quicksearchbox.util; |
| |
| /** |
| * Runs tasks that have a name tag. |
| */ |
| public interface NamedTaskExecutor { |
| |
| /** |
| * Schedules a task for execution. Implementations should not throw |
| * {@link java.util.concurrent.RejectedExecutionException} if the task |
| * cannot be run. They should drop it silently instead. |
| */ |
| void execute(NamedTask task); |
| |
| /** |
| * Stops any unstarted tasks from running. Implementations of this method must be |
| * idempotent. |
| */ |
| void cancelPendingTasks(); |
| |
| /** |
| * Shuts down this executor, freeing any resources that it owns. The executor |
| * may not be used after calling this method. Implementations of this method must be |
| * idempotent. |
| */ |
| void close(); |
| |
| } |