/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.qp.storeadapter.indexrow;
import com.foundationdb.ais.model.IndexToHKey;
import com.foundationdb.ais.model.Table;
import com.foundationdb.ais.model.TableIndex;
import com.foundationdb.qp.operator.StoreAdapter;
import com.foundationdb.qp.row.HKey;
import com.foundationdb.qp.rowtype.IndexRowType;
public class PersistitTableIndexRow extends PersistitIndexRow
{
// Row interface
@Override
public HKey ancestorHKey(Table table)
{
HKey ancestorHKey;
HKey leafmostHKey = hKeyCache.hKey(leafmostTable);
if (table == leafmostTable) {
ancestorHKey = leafmostHKey;
} else {
ancestorHKey = hKeyCache.hKey(table);
leafmostHKey.copyTo(ancestorHKey);
ancestorHKey.useSegments(table.getDepth() + 1);
}
return ancestorHKey;
}
// PersistitIndexRow interface
@Override
public IndexToHKey indexToHKey()
{
return index.indexToHKey();
}
// PersistitTableIndexRow interface
public PersistitTableIndexRow(StoreAdapter adapter, IndexRowType indexRowType)
{
super(adapter, indexRowType);
this.index = (TableIndex) indexRowType.index();
}
// Object state
private final TableIndex index;
}