/* Copyright (c) 2001-2017, 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
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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package org.hsqldb.persist;
import java.io.
IOException;
import org.hsqldb.
HsqlException;
import org.hsqldb.
Row;
import org.hsqldb.
RowDiskDataChange;
import org.hsqldb.
Session;
import org.hsqldb.
TableBase;
import org.hsqldb.rowio.
RowInputInterface;
/*
* Implementation of PersistentStore for data change lists.
*
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 2.3.5
* @since 2.2.7
*/
public class
RowStoreDataChange extends
RowStoreAVLHybrid {
Session session;
public
RowStoreDataChange(
Session session,
TableBase table) {
super(
session,
table, true);
this.
session =
session;
super.changeToDiskTable(
session);
}
public
CachedObject getNewCachedObject(
Session session,
Object object,
boolean
tx) {
Row row = new
RowDiskDataChange(
table, (
Object[])
object, this, null);
add(
session,
row,
tx);
return
row;
}
public
CachedObject get(
RowInputInterface in) {
try {
return new
RowDiskDataChange(
session, this,
in);
} catch (
HsqlException e) {
return null;
} catch (
IOException e1) {
return null;
}
}
}