org.hsqldb.RowAVLDiskLarge Maven / Gradle / Ivy
/* Copyright (c) 2001-2011, The HSQL Development Group
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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.
* @author Fred Toussi (fredt@users dot sourceforge dot net)
* @version 2.2.9
* @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(TableBase t, RowInputInterface in) throws IOException {
super(t);
position = in.getPos();
storageSize = in.getSize();
int indexcount = t.getIndexCount();
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;
}
}
}