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Change license to Apache2 and reformat
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rbygrave
@@ -1,128 +1,109 @@
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/**
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* Copyright (C) 2006 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.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.concurrent.Callable;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import com.avaje.ebeaninternal.api.BeanIdList;
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import com.avaje.ebeaninternal.api.SpiTransaction;
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import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
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import com.avaje.ebeaninternal.server.deploy.DbReadContext;
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/**
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* Continue the fetch using a Background thread. The client knows when this has
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* finished by checking to see if beanList.finishedFetch() is true.
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*/
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public class BackgroundIdFetch implements Callable<Integer> {
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private static final Logger logger = Logger.getLogger(BackgroundIdFetch.class.getName());
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private final ResultSet rset;
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private final PreparedStatement pstmt;
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private final SpiTransaction transaction;
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private final DbReadContext ctx;
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private final BeanDescriptor<?> beanDescriptor;
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private final BeanIdList idList;
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/**
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* Create the BackgroundFetch.
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*/
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public BackgroundIdFetch(SpiTransaction transaction,
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ResultSet rset, PreparedStatement pstmt,
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DbReadContext ctx, BeanDescriptor<?> beanDescriptor,
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BeanIdList idList) {
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this.ctx = ctx;
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this.transaction = transaction;
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this.rset = rset;
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this.pstmt = pstmt;
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this.beanDescriptor = beanDescriptor;
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this.idList = idList;
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}
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/**
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* Continue the fetch.
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*/
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public Integer call() {
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try {
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int startSize = idList.getIdList().size();
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int rowsRead = 0;
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while (rset.next()){
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Object idValue = beanDescriptor.getIdBinder().read(ctx);
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idList.add(idValue);
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ctx.getDataReader().resetColumnPosition();
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rowsRead++;
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}
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if (logger.isLoggable(Level.INFO)){
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logger.info("BG FetchIds read:"+rowsRead+" total:"+(startSize+rowsRead));
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}
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return rowsRead;
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} catch (Exception e) {
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logger.log(Level.SEVERE, null, e);
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return 0;
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} finally {
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try {
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close();
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} catch (Exception e) {
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logger.log(Level.SEVERE, null, e);
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}
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try {
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// we must have our own transaction for background fetching
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// and this performs the rollback... returning the
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// connection back into the connection pool.
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transaction.rollback();
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} catch (Exception 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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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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}
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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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}
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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.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.concurrent.Callable;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import com.avaje.ebeaninternal.api.BeanIdList;
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import com.avaje.ebeaninternal.api.SpiTransaction;
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import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
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import com.avaje.ebeaninternal.server.deploy.DbReadContext;
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/**
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* Continue the fetch using a Background thread. The client knows when this has
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* finished by checking to see if beanList.finishedFetch() is true.
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*/
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public class BackgroundIdFetch implements Callable<Integer> {
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private static final Logger logger = Logger.getLogger(BackgroundIdFetch.class.getName());
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private final ResultSet rset;
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private final PreparedStatement pstmt;
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private final SpiTransaction transaction;
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private final DbReadContext ctx;
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private final BeanDescriptor<?> beanDescriptor;
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private final BeanIdList idList;
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/**
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* Create the BackgroundFetch.
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*/
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public BackgroundIdFetch(SpiTransaction transaction,
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ResultSet rset, PreparedStatement pstmt,
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DbReadContext ctx, BeanDescriptor<?> beanDescriptor,
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BeanIdList idList) {
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this.ctx = ctx;
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this.transaction = transaction;
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this.rset = rset;
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this.pstmt = pstmt;
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this.beanDescriptor = beanDescriptor;
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this.idList = idList;
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}
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/**
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* Continue the fetch.
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*/
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public Integer call() {
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try {
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int startSize = idList.getIdList().size();
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int rowsRead = 0;
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while (rset.next()){
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Object idValue = beanDescriptor.getIdBinder().read(ctx);
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idList.add(idValue);
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ctx.getDataReader().resetColumnPosition();
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rowsRead++;
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}
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if (logger.isLoggable(Level.INFO)){
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logger.info("BG FetchIds read:"+rowsRead+" total:"+(startSize+rowsRead));
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}
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return rowsRead;
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} catch (Exception e) {
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logger.log(Level.SEVERE, null, e);
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return 0;
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} finally {
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try {
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close();
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} catch (Exception e) {
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logger.log(Level.SEVERE, null, e);
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}
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try {
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// we must have our own transaction for background fetching
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// and this performs the rollback... returning the
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// connection back into the connection pool.
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transaction.rollback();
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} catch (Exception 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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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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}
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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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}
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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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