/* 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"
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package org.hsqldb;
import java.io.
IOException;
import org.hsqldb.index.
NodeAVL;
import org.hsqldb.index.
NodeAVLDiskLarge;
import org.hsqldb.persist.
PersistentStore;
import org.hsqldb.rowio.
RowInputInterface;
/**
* Subclass of Row huge databases. <p>
* @author Fred Toussi (fredt@users dot sourceforge dot net)
* @version 2.3.5
* @since 2.2.9
*/
public class
RowAVLDiskLarge extends
RowAVLDisk {
/**
* Constructor for new Rows. Variable hasDataChanged is set to true in
* order to indicate the data needs saving.
*
* @param t table
* @param o row data
*/
public
RowAVLDiskLarge(
TableBase t,
Object[]
o,
PersistentStore store) {
super(
t,
o,
store);
}
/**
* Constructor when read from the disk into the Cache.
*
* @param t table
* @param in data source
* @throws IOException
*/
public
RowAVLDiskLarge(
PersistentStore store,
RowInputInterface in) throws
IOException {
super(
store.
getTable());
position =
in.
getFilePosition();
storageSize =
in.
getSize();
int
indexcount =
store.
getAccessorKeys().length;
nPrimaryNode = new
NodeAVLDiskLarge(this,
in, 0);
NodeAVL n =
nPrimaryNode;
for (int
i = 1;
i <
indexcount;
i++) {
n.
nNext = new
NodeAVLDiskLarge(this,
in,
i);
n =
n.
nNext;
}
rowData =
in.
readData(
table.
getColumnTypes());
}
public void
setNewNodes(
PersistentStore store) {
int
indexcount =
store.
getAccessorKeys().length;
nPrimaryNode = new
NodeAVLDiskLarge(this, 0);
NodeAVL n =
nPrimaryNode;
for (int
i = 1;
i <
indexcount;
i++) {
n.
nNext = new
NodeAVLDiskLarge(this,
i);
n =
n.
nNext;
}
}
}