org.eclipse.persistence.internal.cache.AdvancedProcessor Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of eclipselink Show documentation

EclipseLink build based upon Git transaction 346465e

There is a newer version: 5.0.0-B03

/*
 * Copyright (c) 2015, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//      Marcel Valovy - initial API and implementation
package org.eclipse.persistence.internal.cache;

/**
 * Processor for computable tasks.
 *
 * Concurrent.
 *
 * @author Marcel Valovy - [email protected]
 * @since 2.6
 */
public class AdvancedProcessor implements Processor, Clearable {

    private Memoizer memoizer = new Memoizer<>();

    @Override
    public  V compute(ComputableTask task, A taskArgument) {
        while (true) {
            try {
                //noinspection unchecked
                return (V) memoizer.compute((ComputableTask) task, taskArgument);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
            }
        }
    }

    @Override
    public void clear() {
        memoizer.forgetAll();
    }
}