001    /**
002     * Copyright 2010-2013 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.common.jdbc.listeners;
017    
018    import java.util.List;
019    
020    import org.kuali.common.jdbc.model.event.SqlEvent;
021    import org.kuali.common.jdbc.model.event.SqlExecutionEvent;
022    import org.kuali.common.util.Assert;
023    import org.kuali.common.util.ListUtils;
024    
025    /**
026     * Notify other listeners about SQL related events
027     */
028    public final class NotifyingListener implements SqlListener {
029    
030            private final List<SqlListener> listeners;
031    
032            public NotifyingListener(List<SqlListener> listeners) {
033                    Assert.noNulls(listeners);
034                    this.listeners = ListUtils.newImmutableArrayList(listeners);
035            }
036    
037            @Override
038            public void beforeExecution(SqlExecutionEvent event) {
039                    for (SqlListener listener : listeners) {
040                            listener.beforeExecution(event);
041                    }
042            }
043    
044            @Override
045            public void beforeExecuteSql(SqlEvent event) {
046                    for (SqlListener listener : listeners) {
047                            listener.beforeExecuteSql(event);
048                    }
049            }
050    
051            @Override
052            public void afterExecuteSql(SqlEvent event) {
053                    for (SqlListener listener : listeners) {
054                            listener.afterExecuteSql(event);
055                    }
056            }
057    
058            @Override
059            public void afterExecution(SqlExecutionEvent event) {
060                    for (SqlListener listener : listeners) {
061                            listener.afterExecution(event);
062                    }
063            }
064    
065            public List<SqlListener> getListeners() {
066                    return listeners;
067            }
068    
069    }