Java tutorial
/* * Vulcan Build Manager * Copyright (C) 2005-2012 Chris Eldredge * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package net.sourceforge.vulcan.spring.jdbc; import java.sql.ResultSet; import java.sql.SQLException; import java.util.List; import javax.sql.DataSource; import net.sourceforge.vulcan.dto.BuildOutcomeQueryDto; import net.sourceforge.vulcan.dto.TestFailureDto; import org.springframework.dao.DataAccessException; import org.springframework.jdbc.object.MappingSqlQuery; class BuildHistoryTopTestFailuresQuery extends MappingSqlQuery implements BuilderQuery { private static String SQL = "select test.name as name, count(test.name) as msg_count " + "from builds inner join project_names on builds.project_id = project_names.id inner join test_failures test on builds.id=test.build_id "; private final int maxResultCount; private Object[] parameterValues; public BuildHistoryTopTestFailuresQuery(DataSource dataSource, BuildOutcomeQueryDto query, int maxResultCount) { this.maxResultCount = maxResultCount; setDataSource(dataSource); HistoryQueryBuilder.buildQuery(SQL, query, this); compile(); } @Override public void setSql(String sql) { super.setSql(sql + " group by name order by msg_count desc limit " + maxResultCount); } public List<TestFailureDto> queryTopMessages() { return execute(parameterValues); } @Override @SuppressWarnings("unchecked") public List<TestFailureDto> execute(Object[] params) throws DataAccessException { return super.execute(params); } public void setParameterValues(Object[] parameterValues) { this.parameterValues = parameterValues; } @Override protected TestFailureDto mapRow(ResultSet rs, int rowNumber) throws SQLException { final TestFailureDto dto = new TestFailureDto(); dto.setCount(rs.getInt("msg_count")); dto.setName(rs.getString("name")); return dto; } }