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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent')
4 files changed, 268 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/BasicFuture.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/BasicFuture.java new file mode 100644 index 000000000..a2215ceca --- /dev/null +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/BasicFuture.java @@ -0,0 +1,154 @@ +/* + * ==================================================================== + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * <http://www.apache.org/>. + * + */ +package ch.boye.httpclientandroidlib.concurrent; + +import ch.boye.httpclientandroidlib.util.Args; + +import java.util.concurrent.ExecutionException; +import java.util.concurrent.Future; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.TimeoutException; + +/** + * Basic implementation of the {@link Future} interface. <tt>BasicFuture<tt> + * can be put into a completed state by invoking any of the following methods: + * {@link #cancel()}, {@link #failed(Exception)}, or {@link #completed(Object)}. + * + * @param <T> the future result type of an asynchronous operation. + * @since 4.2 + */ +public class BasicFuture<T> implements Future<T>, Cancellable { + + private final FutureCallback<T> callback; + + private volatile boolean completed; + private volatile boolean cancelled; + private volatile T result; + private volatile Exception ex; + + public BasicFuture(final FutureCallback<T> callback) { + super(); + this.callback = callback; + } + + public boolean isCancelled() { + return this.cancelled; + } + + public boolean isDone() { + return this.completed; + } + + private T getResult() throws ExecutionException { + if (this.ex != null) { + throw new ExecutionException(this.ex); + } + return this.result; + } + + public synchronized T get() throws InterruptedException, ExecutionException { + while (!this.completed) { + wait(); + } + return getResult(); + } + + public synchronized T get(final long timeout, final TimeUnit unit) + throws InterruptedException, ExecutionException, TimeoutException { + Args.notNull(unit, "Time unit"); + final long msecs = unit.toMillis(timeout); + final long startTime = (msecs <= 0) ? 0 : System.currentTimeMillis(); + long waitTime = msecs; + if (this.completed) { + return getResult(); + } else if (waitTime <= 0) { + throw new TimeoutException(); + } else { + for (;;) { + wait(waitTime); + if (this.completed) { + return getResult(); + } else { + waitTime = msecs - (System.currentTimeMillis() - startTime); + if (waitTime <= 0) { + throw new TimeoutException(); + } + } + } + } + } + + public boolean completed(final T result) { + synchronized(this) { + if (this.completed) { + return false; + } + this.completed = true; + this.result = result; + notifyAll(); + } + if (this.callback != null) { + this.callback.completed(result); + } + return true; + } + + public boolean failed(final Exception exception) { + synchronized(this) { + if (this.completed) { + return false; + } + this.completed = true; + this.ex = exception; + notifyAll(); + } + if (this.callback != null) { + this.callback.failed(exception); + } + return true; + } + + public boolean cancel(final boolean mayInterruptIfRunning) { + synchronized(this) { + if (this.completed) { + return false; + } + this.completed = true; + this.cancelled = true; + notifyAll(); + } + if (this.callback != null) { + this.callback.cancelled(); + } + return true; + } + + public boolean cancel() { + return cancel(true); + } + +} diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/Cancellable.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/Cancellable.java new file mode 100644 index 000000000..c51daa27f --- /dev/null +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/Cancellable.java @@ -0,0 +1,39 @@ +/* + * ==================================================================== + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * <http://www.apache.org/>. + * + */ +package ch.boye.httpclientandroidlib.concurrent; + +/** + * A <tt>Cancellable</tt> represents a process or an operation that can be + * canceled. + * + * @since 4.2 + */ +public interface Cancellable { + + boolean cancel(); + +} diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/FutureCallback.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/FutureCallback.java new file mode 100644 index 000000000..91ed93940 --- /dev/null +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/FutureCallback.java @@ -0,0 +1,44 @@ +/* + * ==================================================================== + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * <http://www.apache.org/>. + * + */ +package ch.boye.httpclientandroidlib.concurrent; + +/** + * A callback interface that gets invoked upon completion of + * a {@link java.util.concurrent.Future}. + * + * @param <T> the future result type returned by this callback. + * @since 4.2 + */ +public interface FutureCallback<T> { + + void completed(T result); + + void failed(Exception ex); + + void cancelled(); + +} diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/package-info.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/package-info.java new file mode 100644 index 000000000..38d2699ed --- /dev/null +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/concurrent/package-info.java @@ -0,0 +1,31 @@ +/* + * ==================================================================== + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * <http://www.apache.org/>. + * + */ + +/** + * Core concurrency APIs. + */ +package ch.boye.httpclientandroidlib.concurrent; |