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/*
Derby - Class com.pivotal.gemfirexd.internal.client.net.NetPreparedStatement
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You 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.
*/
/*
* Changes for GemFireXD distributed data platform (some marked by "GemStone changes")
*
* Portions Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* 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. See accompanying
* LICENSE file.
*/
package com.pivotal.gemfirexd.internal.client.net;
import com.pivotal.gemfirexd.internal.client.am.ColumnMetaData;
import com.pivotal.gemfirexd.internal.client.am.PreparedStatement;
import com.pivotal.gemfirexd.internal.client.am.Section;
import com.pivotal.gemfirexd.internal.client.am.SqlException;
import com.pivotal.gemfirexd.internal.client.am.ClientJDBCObjectFactory;
import com.pivotal.gemfirexd.internal.client.ClientPooledConnection;
import com.pivotal.gemfirexd.jdbc.ClientDRDADriver;
public class NetPreparedStatement extends NetStatement
implements com.pivotal.gemfirexd.internal.client.am.MaterialPreparedStatement {
// Alias for (NetPreparedStatement) super.statement.
/*final*/
com.pivotal.gemfirexd.internal.client.am.PreparedStatement preparedStatement_;
// Relay constructor for NetCallableStatement.
NetPreparedStatement(com.pivotal.gemfirexd.internal.client.am.PreparedStatement statement,
NetAgent netAgent,
NetConnection netConnection) {
super(statement, netAgent, netConnection);
initNetPreparedStatement(statement);
}
void resetNetPreparedStatement(com.pivotal.gemfirexd.internal.client.am.PreparedStatement statement,
NetAgent netAgent,
NetConnection netConnection) {
super.resetNetStatement(statement, netAgent, netConnection);
initNetPreparedStatement(statement);
}
private void initNetPreparedStatement(com.pivotal.gemfirexd.internal.client.am.PreparedStatement statement) {
preparedStatement_ = statement;
preparedStatement_.materialPreparedStatement_ = this;
}
/**
*
* The constructor for the NetPreparedStatement class. Called by abstract
* Connection.prepareStatment().newPreparedStatement()
* for jdbc 2 prepared statements with scroll attributes.
* It has the ClientPooledConnection as one of its parameters
* this is used to raise the Statement Events when the prepared
* statement is closed.
*
* @param netAgent The instance of NetAgent associated with this
* CallableStatement object.
* @param netConnection The connection object associated with this
* PreparedStatement Object.
* @param sql A String object that is the SQL statement
* to be sent to the database.
* @param type One of the ResultSet type constants.
* @param concurrency One of the ResultSet concurrency constants.
* @param holdability One of the ResultSet holdability constants.
* @param autoGeneratedKeys a flag indicating whether auto-generated
* keys should be returned.
* @param columnNames A String array of column names indicating
* the columns that should be returned
* from the inserted row or rows.
* @param columnIndexes An int array of column indexes indicating
* the column that should be returned from
* the inserted row.
* @param cpc The ClientPooledConnection wraps the underlying physical
* connection associated with this prepared statement
* it is used to pass the Statement closed and the Statement
* error occurred events that occur back to the
* ClientPooledConnection.
* @throws SqlException
*
*/
NetPreparedStatement(NetAgent netAgent, NetConnection netConnection, String sql, int type, int concurrency, int holdability, int autoGeneratedKeys, String[] columnNames,
int[] columnIndexes, ClientPooledConnection cpc) throws SqlException {
this(ClientDRDADriver.getFactory().newPreparedStatement(netAgent,
netConnection, sql, type, concurrency, holdability,
autoGeneratedKeys, columnNames, columnIndexes, cpc),
netAgent,
netConnection
);
}
void resetNetPreparedStatement(NetAgent netAgent, NetConnection netConnection, String sql, int type, int concurrency, int holdability, int autoGeneratedKeys, String[] columnNames,
int[] columnIndexes) throws SqlException {
preparedStatement_.resetPreparedStatement(netAgent, netConnection, sql, type, concurrency, holdability, autoGeneratedKeys,
columnNames, columnIndexes);
resetNetPreparedStatement(preparedStatement_, netAgent, netConnection);
}
/**
*
* The constructor for the NetPreparedStatement class. For JDBC 3.0
* positioned updates.It has the ClientPooledConnection as one of
* its parameters this is used to raise the Statement Events when the
* prepared statement is closed.
*
* @param netAgent The instance of NetAgent associated with this
* CallableStatement object.
* @param netConnection The connection object associated with this
* PreparedStatement Object.
* @param sql A String object that is the SQL statement to be
* sent to the database.
* @param section
* @param cpc The ClientPooledConnection wraps the underlying physical
* connection associated with this prepared statement
* it is used to pass the Statement closed and the Statement
* error occurred events that occur back to the
* ClientPooledConnection
* @throws SqlException
*
*/
NetPreparedStatement(NetAgent netAgent,
NetConnection netConnection,
String sql,
Section section,ClientPooledConnection cpc)
throws SqlException {
this(ClientDRDADriver.getFactory().newPreparedStatement(netAgent,
netConnection, sql, section,cpc),
netAgent,
netConnection);
}
void resetNetPreparedStatement(NetAgent netAgent,
NetConnection netConnection,
String sql,
Section section) throws SqlException {
preparedStatement_.resetPreparedStatement(netAgent, netConnection, sql, section);
resetNetPreparedStatement(preparedStatement_, netAgent, netConnection);
}
void resetNetPreparedStatement(NetAgent netAgent,
NetConnection netConnection,
String sql,
Section section,
ColumnMetaData parameterMetaData,
ColumnMetaData resultSetMetaData) throws SqlException {
preparedStatement_.resetPreparedStatement(netAgent, netConnection, sql, section, parameterMetaData, resultSetMetaData);
this.resetNetPreparedStatement(preparedStatement_, netAgent, netConnection);
}
protected void finalize() throws java.lang.Throwable {
super.finalize();
}
public void writeExecute_(Section section,
ColumnMetaData parameterMetaData,
Object[] inputs,
int numInputColumns,
boolean outputExpected,
// This is a hint to the material layer that more write commands will follow.
// It is ignored by the driver in all cases except when blob data is written,
// in which case this boolean is used to optimize the implementation.
// Otherwise we wouldn't be able to chain after blob data is sent.
// If we could always chain a no-op DDM after every execute that writes blobs
// then we could just always set the chaining flag to on for blob send data
boolean chainedWritesFollowingSetLob) throws SqlException {
// GemStone changes BEGIN
writeExecute_(section, parameterMetaData, inputs, numInputColumns,
outputExpected, false, chainedWritesFollowingSetLob);
}
public void writeExecute_(Section section,
ColumnMetaData parameterMetaData,
Object[] inputs,
int numInputColumns,
boolean outputExpected,
boolean batchOutput,
// This is a hint to the material layer that more write commands will follow.
// It is ignored by the driver in all cases except when blob data is written,
// in which case this boolean is used to optimize the implementation.
// Otherwise we wouldn't be able to chain after blob data is sent.
// If we could always chain a no-op DDM after every execute that writes blobs
// then we could just always set the chaining flag to on for blob send data
boolean chainedWritesFollowingSetLob) throws SqlException {
// GemStone changes END
netAgent_.statementRequest_.writeExecute(this,
section,
parameterMetaData,
inputs,
numInputColumns,
outputExpected,
// GemStone changes BEGIN
batchOutput,
// GemStone changes END
chainedWritesFollowingSetLob);
}
public void readExecute_() throws SqlException {
netAgent_.statementReply_.readExecute(preparedStatement_);
}
public void writeOpenQuery_(Section section,
int fetchSize,
int resultSetType,
int numInputColumns,
ColumnMetaData parameterMetaData,
Object[] inputs) throws SqlException {
netAgent_.statementRequest_.writeOpenQuery(this,
section,
fetchSize,
resultSetType,
numInputColumns,
parameterMetaData,
inputs);
}
// super.readOpenQuery()
public void writeDescribeInput_(Section section) throws SqlException {
netAgent_.statementRequest_.writeDescribeInput(this, section);
}
public void readDescribeInput_() throws SqlException {
netAgent_.statementReply_.readDescribeInput(preparedStatement_);
}
public void writeDescribeOutput_(Section section) throws SqlException {
netAgent_.statementRequest_.writeDescribeOutput(this, section);
}
public void readDescribeOutput_() throws SqlException {
netAgent_.statementReply_.readDescribeOutput(preparedStatement_);
}
}
