/*
* Copyright 2014 - 2017 Blazebit.
*
* 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.blazebit.persistence.impl;
import com.blazebit.persistence.impl.expression.AbortableVisitorAdapter;
import com.blazebit.persistence.impl.expression.AggregateExpression;
import com.blazebit.persistence.impl.expression.Expression;
import com.blazebit.persistence.impl.expression.FunctionExpression;
class AggregateDetectionVisitor extends AbortableVisitorAdapter {
public static final Expression.ResultVisitor<Boolean> INSTANCE = new AggregateDetectionVisitor();
private AggregateDetectionVisitor() {
}
@Override
public Boolean visit(FunctionExpression expression) {
if (expression instanceof AggregateExpression) {
return true;
}
return super.visit(expression);
}
}