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.listener;
017    
018    import java.util.ArrayList;
019    import java.util.Arrays;
020    import java.util.List;
021    
022    import org.kuali.common.jdbc.JdbcUtils;
023    import org.kuali.common.jdbc.supplier.SqlSupplier;
024    import org.kuali.common.jdbc.threads.SqlBucket;
025    import org.kuali.common.util.FormatUtils;
026    import org.kuali.common.util.LoggerLevel;
027    import org.kuali.common.util.LoggerUtils;
028    import org.slf4j.Logger;
029    import org.slf4j.LoggerFactory;
030    
031    /**
032     * This listener will print statistics related to how the SQL is being divided up into different buckets for execution. Only useful when concurrent SQL execution is being
033     * performed.
034     * 
035     * @deprecated
036     */
037    @Deprecated
038    public class BucketListener extends NoOpSqlListener implements SqlListener {
039    
040            private static final Logger logger = LoggerFactory.getLogger(BucketListener.class);
041            LoggerLevel level = LoggerLevel.DEBUG;
042    
043            @Override
044            public void bucketsCreated(BucketEvent event) {
045                    List<SqlBucket> buckets = event.getBuckets();
046                    List<Object[]> argsList = new ArrayList<Object[]>();
047                    for (int i = 0; i < buckets.size(); i++) {
048                            SqlBucket bucket = buckets.get(i);
049                            List<SqlSupplier> suppliers = bucket.getSuppliers();
050                            String count = FormatUtils.getCount(JdbcUtils.getSqlCount(suppliers));
051                            String srcs = FormatUtils.getCount(suppliers.size());
052                            String size = FormatUtils.getSize(JdbcUtils.getSqlSize(suppliers));
053                            Object[] args = { i + 1, count, srcs, size };
054                            argsList.add(args);
055                    }
056                    List<String> columns = Arrays.asList("Bucket", "SQL Count", "Sources", "Size");
057                    LoggerUtils.logTable(columns, argsList, level, logger);
058            }
059    
060            public LoggerLevel getLevel() {
061                    return level;
062            }
063    
064            public void setLevel(LoggerLevel level) {
065                    this.level = level;
066            }
067    
068    }