/* Copyright (c) 2001-2016, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb.server;
import java.sql.
Statement;
import java.util.
ArrayList;
import java.util.
List;
import java.util.
Map;
import org.hsqldb.
Session;
import org.hsqldb.result.
Result;
import org.hsqldb.result.
ResultConstants;
import org.hsqldb.result.
ResultProperties;
class
OdbcPreparedStatement {
public
String handle,
query;
public
Result ackResult;
public
Session session;
private
Map containingMap;
private
List portals = new
ArrayList();
protected
OdbcPreparedStatement(
OdbcPreparedStatement other) {
this.
handle =
other.
handle;
this.
ackResult =
other.
ackResult;
}
/**
* Instantiates an proxy OdbcPreparedStatement object for the
* Connection Session, and adds the new instance to the specified map.
*/
public
OdbcPreparedStatement(
String handle,
String query,
Map containingMap,
Session session)
throws
RecoverableOdbcFailure {
this.
handle =
handle;
this.
query =
query;
this.
containingMap =
containingMap;
this.
session =
session;
Result psResult =
Result.
newPrepareStatementRequest();
psResult.
setPrepareOrExecuteProperties(
query, 0, 0, 0, 0,
ResultProperties.
defaultPropsValue,
Statement.
NO_GENERATED_KEYS, null, null);
ackResult =
session.
execute(
psResult);
switch (
ackResult.
getType()) {
case
ResultConstants.
PREPARE_ACK :
break;
case
ResultConstants.
ERROR :
throw new
RecoverableOdbcFailure(
ackResult);
default :
throw new
RecoverableOdbcFailure(
"Output Result from Statement prep is of "
+ "unexpected type: " +
ackResult.
getType());
}
containingMap.
put(
handle, this);
}
/**
* Releases resources for this instance and all associated StatementPortals,
* and removes this instance from the containing map.
*/
public void
close() {
// TODO: Free up resources!
containingMap.
remove(
handle);
while (
portals.
size() > 0) {
((
StatementPortal)
portals.
remove(1)).
close();
}
}
/**
* Associates an StatementPortal with OdbcPreparedStatement.
*/
public void
addPortal(
StatementPortal portal) {
portals.
add(
portal);
}
}