mirror of
https://github.com/ebean-orm/ebean.git
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Change license to Apache2 and reformat
This commit is contained in:
rbygrave
@@ -1,192 +1,173 @@
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/**
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* Copyright (C) 2009 Robin Bygrave
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*
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* This file is part of Ebean.
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*
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* Ebean is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* Ebean is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Ebean; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package com.avaje.ebeaninternal.server.query;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.persistence.PersistenceException;
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import com.avaje.ebeaninternal.api.SpiQuery;
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import com.avaje.ebeaninternal.api.SpiTransaction;
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import com.avaje.ebeaninternal.server.core.OrmQueryRequest;
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import com.avaje.ebeaninternal.server.core.SpiOrmQueryRequest;
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import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
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import com.avaje.ebeaninternal.server.type.DataBind;
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/**
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* Executes the select row count query.
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*/
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public class CQueryRowCount {
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private static final Logger logger = Logger.getLogger(CQueryRowCount.class.getName());
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/**
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* The overall find request wrapper object.
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*/
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private final OrmQueryRequest<?> request;
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private final BeanDescriptor<?> desc;
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private final SpiQuery<?> query;
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/**
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* Where clause predicates.
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*/
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private final CQueryPredicates predicates;
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/**
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* The final sql that is generated.
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*/
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private final String sql;
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/**
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* The resultSet that is read and converted to objects.
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*/
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private ResultSet rset;
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/**
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* The statement used to create the resultSet.
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*/
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private PreparedStatement pstmt;
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private String bindLog;
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private long startNano;
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private int executionTimeMicros;
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private int rowCount;
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/**
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* Create the Sql select based on the request.
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*/
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public CQueryRowCount(OrmQueryRequest<?> request, CQueryPredicates predicates, String sql) {
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this.request = request;
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this.query = request.getQuery();
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this.sql = sql;
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query.setGeneratedSql(sql);
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this.desc = request.getBeanDescriptor();
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this.predicates = predicates;
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}
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/**
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* Return a summary description of this query.
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*/
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public String getSummary() {
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StringBuilder sb = new StringBuilder();
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sb.append("FindRowCount exeMicros[").append(executionTimeMicros)
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.append("] rows[").append(rowCount)
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.append("] type[").append(desc.getFullName())
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.append("] predicates[").append(predicates.getLogWhereSql())
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.append("] bind[").append(bindLog).append("]");
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return sb.toString();
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}
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/**
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* Return the bind log.
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*/
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public String getBindLog() {
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return bindLog;
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}
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/**
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* Return the generated sql.
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*/
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public String getGeneratedSql() {
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return sql;
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}
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public SpiOrmQueryRequest<?> getQueryRequest() {
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return request;
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}
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/**
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* Execute the query returning the row count.
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*/
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public int findRowCount() throws SQLException {
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startNano = System.nanoTime();
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try {
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SpiTransaction t = request.getTransaction();
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Connection conn = t.getInternalConnection();
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pstmt = conn.prepareStatement(sql);
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if (query.getTimeout() > 0){
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pstmt.setQueryTimeout(query.getTimeout());
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}
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bindLog = predicates.bind(new DataBind(pstmt));
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rset = pstmt.executeQuery();
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if (!rset.next()){
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throw new PersistenceException("Expecting 1 row but got none?");
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}
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rowCount = rset.getInt(1);
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long exeNano = System.nanoTime() - startNano;
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executionTimeMicros = (int)exeNano/1000;
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return rowCount;
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} finally {
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close();
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}
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}
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/**
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* Close the resources.
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* <p>
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* The jdbc resultSet and statement need to be closed. Its important that
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* this method is called.
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* </p>
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*/
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private void close() {
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try {
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if (rset != null) {
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rset.close();
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rset = null;
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}
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} catch (SQLException e) {
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logger.log(Level.SEVERE, null, e);
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}
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try {
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if (pstmt != null) {
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pstmt.close();
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pstmt = null;
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}
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} catch (SQLException e) {
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logger.log(Level.SEVERE, null, e);
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}
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}
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}
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package com.avaje.ebeaninternal.server.query;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.persistence.PersistenceException;
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import com.avaje.ebeaninternal.api.SpiQuery;
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import com.avaje.ebeaninternal.api.SpiTransaction;
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import com.avaje.ebeaninternal.server.core.OrmQueryRequest;
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import com.avaje.ebeaninternal.server.core.SpiOrmQueryRequest;
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import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
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import com.avaje.ebeaninternal.server.type.DataBind;
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/**
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* Executes the select row count query.
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*/
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public class CQueryRowCount {
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private static final Logger logger = Logger.getLogger(CQueryRowCount.class.getName());
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/**
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* The overall find request wrapper object.
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*/
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private final OrmQueryRequest<?> request;
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private final BeanDescriptor<?> desc;
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private final SpiQuery<?> query;
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/**
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* Where clause predicates.
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*/
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private final CQueryPredicates predicates;
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/**
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* The final sql that is generated.
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*/
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private final String sql;
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/**
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* The resultSet that is read and converted to objects.
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*/
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private ResultSet rset;
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/**
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* The statement used to create the resultSet.
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*/
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private PreparedStatement pstmt;
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private String bindLog;
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private long startNano;
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private int executionTimeMicros;
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private int rowCount;
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/**
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* Create the Sql select based on the request.
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*/
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public CQueryRowCount(OrmQueryRequest<?> request, CQueryPredicates predicates, String sql) {
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this.request = request;
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this.query = request.getQuery();
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this.sql = sql;
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query.setGeneratedSql(sql);
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this.desc = request.getBeanDescriptor();
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this.predicates = predicates;
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}
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/**
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* Return a summary description of this query.
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*/
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public String getSummary() {
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StringBuilder sb = new StringBuilder();
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sb.append("FindRowCount exeMicros[").append(executionTimeMicros)
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.append("] rows[").append(rowCount)
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.append("] type[").append(desc.getFullName())
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.append("] predicates[").append(predicates.getLogWhereSql())
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.append("] bind[").append(bindLog).append("]");
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return sb.toString();
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}
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/**
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* Return the bind log.
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*/
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public String getBindLog() {
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return bindLog;
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}
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/**
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* Return the generated sql.
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*/
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public String getGeneratedSql() {
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return sql;
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}
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public SpiOrmQueryRequest<?> getQueryRequest() {
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return request;
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}
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/**
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* Execute the query returning the row count.
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*/
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public int findRowCount() throws SQLException {
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startNano = System.nanoTime();
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try {
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SpiTransaction t = request.getTransaction();
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Connection conn = t.getInternalConnection();
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pstmt = conn.prepareStatement(sql);
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if (query.getTimeout() > 0){
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pstmt.setQueryTimeout(query.getTimeout());
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}
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bindLog = predicates.bind(new DataBind(pstmt));
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rset = pstmt.executeQuery();
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if (!rset.next()){
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throw new PersistenceException("Expecting 1 row but got none?");
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}
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rowCount = rset.getInt(1);
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long exeNano = System.nanoTime() - startNano;
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executionTimeMicros = (int)exeNano/1000;
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return rowCount;
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} finally {
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close();
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}
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}
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/**
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* Close the resources.
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* <p>
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* The jdbc resultSet and statement need to be closed. Its important that
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* this method is called.
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* </p>
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*/
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private void close() {
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try {
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if (rset != null) {
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rset.close();
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rset = null;
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}
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} catch (SQLException e) {
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logger.log(Level.SEVERE, null, e);
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}
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try {
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if (pstmt != null) {
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pstmt.close();
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pstmt = null;
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}
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} catch (SQLException e) {
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logger.log(Level.SEVERE, null, e);
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}
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}
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}
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