| /* |
| * Copyright (c) 2015, 2020 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 - marcel.valovy@oracle.com |
| * @since 2.6 |
| */ |
| public class AdvancedProcessor implements Processor, Clearable { |
| |
| private Memoizer<Object, Object> memoizer = new Memoizer<>(); |
| |
| @Override |
| public <A, V> V compute(ComputableTask<A, V> task, A taskArgument) { |
| while (true) { |
| try { |
| //noinspection unchecked |
| return (V) memoizer.compute((ComputableTask<Object, Object>) task, taskArgument); |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| } |
| } |
| } |
| |
| @Override |
| public void clear() { |
| memoizer.forgetAll(); |
| } |
| } |