/**
* 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.sql.optimizer.plan;
import java.util.List;
public abstract class BaseLookup extends BasePlanWithInput implements TableLoader
{
private List<TableSource> tables;
public BaseLookup(PlanNode input, List<TableSource> tables) {
super(input);
this.tables = tables;
}
/** The tables that this lookup introduces into the stream. */
@Override
public List<TableSource> getTables() {
return tables;
}
@Override
public boolean accept(PlanVisitor v) {
if (v.visitEnter(this)) {
if ((getInput() == null) || getInput().accept(v)) {
for (TableSource table : tables) {
if (!table.accept(v))
break;
}
}
}
return v.visitLeave(this);
}
@Override
protected void deepCopy(DuplicateMap map) {
super.deepCopy(map);
tables = duplicateList(tables, map);
}
}