69 lines
1.9 KiB
Java
69 lines
1.9 KiB
Java
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/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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package org.nd4j.linalg.primitives;
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import java.io.Serializable;
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import java.util.concurrent.locks.ReentrantReadWriteLock;
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/**
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* This class is simple holder for provided variable which can be accessed & updated in thread-safe way
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*
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* @author raver119@protonmail.com
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*/
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public class SynchronizedObject<T> implements Serializable {
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protected T value;
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protected transient ReentrantReadWriteLock lock;
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public SynchronizedObject() {
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lock = new ReentrantReadWriteLock();
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}
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public SynchronizedObject(T value) {
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this();
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this.set(value);
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}
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/**
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* This method returns stored value via read lock
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* @return
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*/
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public final T get() {
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try {
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lock.readLock().lock();
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return value;
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} finally {
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lock.readLock().unlock();
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}
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}
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/**
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* This method updates stored value via write lock
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* @param value
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*/
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public final void set(T value) {
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try {
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lock.writeLock().lock();
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this.value = value;
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} finally {
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lock.writeLock().unlock();
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}
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}
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}
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