io.trino.sql.planner.rowpattern.ir.IrRowPatternVisitor Maven / Gradle / Ivy
/*
* 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 io.trino.sql.planner.rowpattern.ir;
import jakarta.annotation.Nullable;
public abstract class IrRowPatternVisitor
{
public R process(IrRowPattern rowPattern)
{
return process(rowPattern, null);
}
public R process(IrRowPattern rowPattern, @Nullable C context)
{
return rowPattern.accept(this, context);
}
protected R visitIrRowPattern(IrRowPattern rowPattern, C context)
{
return null;
}
protected R visitIrAlternation(IrAlternation node, C context)
{
return visitIrRowPattern(node, context);
}
protected R visitIrConcatenation(IrConcatenation node, C context)
{
return visitIrRowPattern(node, context);
}
protected R visitIrQuantified(IrQuantified node, C context)
{
return visitIrRowPattern(node, context);
}
protected R visitIrAnchor(IrAnchor node, C context)
{
return visitIrRowPattern(node, context);
}
protected R visitIrEmpty(IrEmpty node, C context)
{
return visitIrRowPattern(node, context);
}
protected R visitIrExclusion(IrExclusion node, C context)
{
return visitIrRowPattern(node, context);
}
protected R visitIrPermutation(IrPermutation node, C context)
{
return visitIrRowPattern(node, context);
}
protected R visitIrLabel(IrLabel node, C context)
{
return visitIrRowPattern(node, context);
}
}