/**
* Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq.impl;
import static org.jooq.conf.ParamType.INLINED;
import static org.jooq.conf.SettingsTools.executeStaticStatements;
import static org.jooq.impl.Utils.dataTypes;
import static org.jooq.impl.Utils.fields;
import static org.jooq.impl.Utils.visitAll;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import org.jooq.BatchBindStep;
import org.jooq.Configuration;
import org.jooq.DSLContext;
import org.jooq.DataType;
import org.jooq.ExecuteContext;
import org.jooq.ExecuteListener;
import org.jooq.Field;
import org.jooq.Query;
import org.jooq.exception.ControlFlowSignal;
/**
* @author Lukas Eder
*/
class BatchSingle implements BatchBindStep {
/**
* Generated UID
*/
private static final long serialVersionUID = 3793967258181493207L;
private final DSLContext create;
private final Configuration configuration;
private final Query query;
private final List<Object[]> allBindValues;
public BatchSingle(Configuration configuration, Query query) {
this.create = DSL.using(configuration);
this.configuration = configuration;
this.query = query;
this.allBindValues = new ArrayList<Object[]>();
}
@Override
public final BatchSingle bind(Object... bindValues) {
allBindValues.add(bindValues);
return this;
}
@Override
public final BatchSingle bind(Object[][] bindValues) {
for (Object[] v : bindValues) {
bind(v);
}
return this;
}
@Override
public final int size() {
return allBindValues.size();
}
@Override
public final int[] execute() {
// [#1180] Run batch queries with BatchMultiple, if no bind variables
// should be used...
if (executeStaticStatements(configuration.settings())) {
return executeStatic();
}
else {
return executePrepared();
}
}
private final int[] executePrepared() {
ExecuteContext ctx = new DefaultExecuteContext(configuration, new Query[] { query });
ExecuteListener listener = new ExecuteListeners(ctx);
Connection connection = ctx.connection();
// [#1371] fetch bind variables to restore them again, later
DataType<?>[] paramTypes = dataTypes(query.getParams().values().toArray(new Field[0]));
try {
listener.renderStart(ctx);
// [#1520] TODO: Should the number of bind values be checked, here?
ctx.sql(create.render(query));
listener.renderEnd(ctx);
listener.prepareStart(ctx);
ctx.statement(connection.prepareStatement(ctx.sql()));
listener.prepareEnd(ctx);
for (Object[] bindValues : allBindValues) {
listener.bindStart(ctx);
// [#1371] [#2139] Don't bind variables directly onto statement, bind them through the collected params
// list to preserve type information
// [#3547] The original query may have no Params specified - e.g. when it was constructed with
// plain SQL. In that case, infer the bind value type directly from the bind value
List<Field<?>> params = (paramTypes.length > 0)
? fields(bindValues, paramTypes)
: fields(bindValues);
visitAll(new DefaultBindContext(configuration, ctx.statement()), params);
listener.bindEnd(ctx);
ctx.statement().addBatch();
}
listener.executeStart(ctx);
int[] result = ctx.statement().executeBatch();
int[] batchRows = ctx.batchRows();
for (int i = 0; i < batchRows.length && i < result.length; i++)
batchRows[i] = result[i];
listener.executeEnd(ctx);
return result;
}
// [#3427] ControlFlowSignals must not be passed on to ExecuteListners
catch (ControlFlowSignal e) {
throw e;
}
catch (RuntimeException e) {
ctx.exception(e);
listener.exception(ctx);
throw ctx.exception();
}
catch (SQLException e) {
ctx.sqlException(e);
listener.exception(ctx);
throw ctx.exception();
}
finally {
Utils.safeClose(listener, ctx);
}
}
private final int[] executeStatic() {
List<Query> queries = new ArrayList<Query>();
for (Object[] bindValues : allBindValues) {
for (int i = 0; i < bindValues.length; i++) {
query.bind(i + 1, bindValues[i]);
}
queries.add(create.query(query.getSQL(INLINED)));
}
return create.batch(queries).execute();
}
}