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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:
2.3.5
Since:
2.2.9/**
 * 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.
Params:
t – table
o – row data/**
     *  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.
Params:
t – table
in – data source
Throws:
IOException – /**
     *  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;
        }
    }
}