001    /**
002     * Copyright 2005-2012 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.rice.kns.rules;
017    
018    import org.kuali.rice.kns.service.KNSServiceLocator;
019    import org.kuali.rice.kns.service.DictionaryValidationService;
020    
021    /**
022     * KNS version of DocumentRuleBase
023     */
024    public class DocumentRuleBase extends org.kuali.rice.krad.rules.DocumentRuleBase {
025    
026        protected DictionaryValidationService getDictionaryValidationService() {
027            return LazyServicesHolder.dictionaryValidationService;
028        }
029    
030        // Lazy init holder class, see Effective Java #71
031        private static class LazyServicesHolder {
032            static final DictionaryValidationService dictionaryValidationService =
033                    KNSServiceLocator.getKNSDictionaryValidationService();
034        }
035    }