001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.cnd.repository.api;
043:
044: //import org.netbeans.modules.cnd.repository.impl.HashMapRepository;
045: //import org.netbeans.modules.cnd.repository.impl.KeyValidatorRepository;
046: //import org.netbeans.modules.cnd.repository.testbench.Stats;
047: import org.openide.util.Lookup;
048:
049: /**
050: *
051: * @author Sergey Grinev
052: */
053: public class RepositoryAccessor {
054: private RepositoryAccessor() {
055: };
056:
057: private static Repository repository;
058: private static RepositoryTranslation translator;
059:
060: private static final Object lock = new Object();
061:
062: /**
063: * Default way for clients to get repository
064: *
065: * @return repository of Repository
066: */
067: public static Repository getRepository() {
068: if (repository == null) {
069: synchronized (lock) {
070: // double check is necessary because
071: // it is possible to have concurrent creators serialized on lock
072: if (repository == null) {
073: repository = Lookup.getDefault().lookup(
074: Repository.class);
075: }
076: }
077: assert (repository != null);
078: }
079:
080: return repository;
081: }
082:
083: /**
084: * Default way for clients to get translator
085: *
086: * @return repository of Repository
087: */
088: public static RepositoryTranslation getTranslator() {
089: if (translator == null) {
090: synchronized (lock) {
091: // double check is necessary because
092: // it is possible to have concurrent creators serialized on lock
093: if (translator == null) {
094: translator = Lookup.getDefault().lookup(
095: RepositoryTranslation.class);
096: }
097: }
098: assert (translator != null);
099: }
100:
101: return translator;
102: }
103: }
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