package com.tesora.dve.sql.transform.strategy.join;
/*
* #%L
* Tesora Inc.
* Database Virtualization Engine
* %%
* Copyright (C) 2011 - 2014 Tesora Inc.
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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/>.
* #L%
*/
import java.util.ArrayList;
import java.util.List;
import com.tesora.dve.sql.node.expression.ColumnInstance;
import com.tesora.dve.sql.node.expression.ExpressionNode;
public class SubstitutingBufferEntry extends BufferEntry {
List<ExpressionNode> repl;
public SubstitutingBufferEntry(ExpressionNode targ, List<ColumnInstance> replacementExprs) {
super(targ);
repl = new ArrayList<ExpressionNode>();
for(ColumnInstance ci : replacementExprs)
repl.add(ci);
}
@Override
public List<ExpressionNode> getNext() {
return repl;
}
@Override
public ExpressionNode buildNew(List<ExpressionNode> intermediateProjection) {
return getTarget();
}
}