LockerUtils.java

/*
 * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 */

package nsk.share.gc.lock;

import nsk.share.TestBug;
import nsk.share.gc.lock.jni.JNILockers;
import nsk.share.gc.lock.malloc.MallocLockers;
import nsk.share.gc.lock.jvmti.JVMTIAllocLockers;
import nsk.share.gc.lock.jniref.*;

/**
 * Utility methods for lockers.
 */
public class LockerUtils {
        private LockerUtils() {
        }

        /**
         * Obtain Lockers by id.
         *
         * @param id identifier of Lockers
         */
        public static Lockers getLockers(String id) {
                if (id == null || id.equals("jni"))
                        return new JNILockers();
                else if (id.equals("jniGlobalRef"))
                        return new JNIGlobalRefLockers();
                else if (id.equals("jniLocalRef"))
                        return new JNILocalRefLockers();
                else if (id.equals("jniRef"))
                        return new JNIRefLockers();
                else if (id.equals("jniWeakGlobalRef"))
                        return new JNIWeakGlobalRefLockers();
                else if (id.equals("malloc"))
                        return new MallocLockers();
                else if (id.equals("jvmtiAlloc"))
                        return new JVMTIAllocLockers();
                else
                        throw new TestBug("Invalid lockers id: " + id);
        }
}