/**
* 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.Collection;
import java.util.Set;
public abstract class BaseScan extends BasePlanNode
{
// Tables that would still need to be fetched if this scan were used.
private Set<TableSource> requiredTables;
// Estimated cost of using this scan.
private CostEstimate costEstimate;
public Set<TableSource> getRequiredTables() {
return requiredTables;
}
public void setRequiredTables(Set<TableSource> requiredTables) {
this.requiredTables = requiredTables;
}
public CostEstimate getCostEstimate() {
return costEstimate;
}
public void setCostEstimate(CostEstimate costEstimate) {
this.costEstimate = costEstimate;
}
public abstract Collection<? extends ConditionExpression> getConditions();
public abstract void visitComparands(ExpressionRewriteVisitor v);
public abstract void visitComparands(ExpressionVisitor v);
}