001    package org.apache.ojb.odmg.locking;
002    
003    /* Copyright 2002-2005 The Apache Software Foundation
004     *
005     * Licensed under the Apache License, Version 2.0 (the "License");
006     * you may not use this file except in compliance with the License.
007     * You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    import org.apache.ojb.broker.util.factory.ConfigurableFactory;
019    
020    /**
021     * @deprecated 
022     */
023    public class LockMapFactory
024    {
025        private static LockMap LOCKMAP = null;
026    
027        /**
028         * get a lockManager instance. The implementation class is
029         * configured in the OJB properties file.
030         */
031        public synchronized static LockMap getLockMap()
032        {
033            if (LOCKMAP == null)
034            {
035                LOCKMAP = new Factory().createNewLockMap();
036            }
037            return LOCKMAP;
038        }
039    
040        /**
041         * Factory to create {@link LockMap} instances
042         */
043        private static class Factory extends ConfigurableFactory
044        {
045            protected String getConfigurationKey()
046            {
047                return "LockMapClass";
048            }
049    
050            LockMap createNewLockMap()
051            {
052                return (LockMap) this.createNewInstance();
053            }
054        }
055    }