SimplePlanVisitor.java

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.facebook.presto.sql.planner;

import com.facebook.presto.spi.plan.PlanNode;
import com.facebook.presto.sql.planner.plan.InternalPlanVisitor;

public class SimplePlanVisitor<C>
        extends InternalPlanVisitor<Void, C>
{
    @Override
    public Void visitPlan(PlanNode node, C context)
    {
        for (PlanNode source : node.getSources()) {
            source.accept(this, context);
        }
        return null;
    }
}