/**
* 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;
import com.foundationdb.qp.row.AbstractRow;
import com.foundationdb.qp.row.HKey;
import com.foundationdb.qp.rowtype.TableRowType;
import com.foundationdb.server.rowdata.FieldDef;
import com.foundationdb.server.rowdata.RowData;
import com.foundationdb.server.rowdata.RowDataValueSource;
import com.foundationdb.server.types.value.ValueSource;
import com.foundationdb.util.SparseArray;
/** Simple RowData wrapper. Does not provide {@link #hKey()}. */
public class RowDataRow extends AbstractRow
{
private final TableRowType rowType;
private final RowData rowData;
private SparseArray<RowDataValueSource> valueSources;
public RowDataRow(TableRowType rowType, RowData rowData) {
assert (rowType.typeId() == rowData.getRowDefId());
this.rowType = rowType;
this.rowData = rowData;
}
@Override
public TableRowType rowType() {
return rowType;
}
@Override
public HKey hKey() {
throw new UnsupportedOperationException();
}
@Override
public boolean isBindingsSensitive() {
return false;
}
@Override
public ValueSource uncheckedValue(int i) {
FieldDef fieldDef = rowType.table().rowDef().getFieldDef(i);
RowDataValueSource valueSource = valueSource(i);
valueSource.bind(fieldDef, rowData);
return valueSource;
}
@Override
public RowData rowData() {
return rowData;
}
private RowDataValueSource valueSource(int i) {
if(valueSources == null) {
valueSources = new SparseArray<RowDataValueSource>()
{
@Override
protected RowDataValueSource initialValue() {
return new RowDataValueSource();
}
};
}
return valueSources.get(i);
}
}