com.blazebit.persistence.impl.AbortableOnClauseJoinNodeVisitor Maven / Gradle / Ivy

/*
 * Copyright 2014 - 2020 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.parser.expression.Expression;

/**
 *
 * @author Christian Beikov
 * @since 1.0.5
 */
public class AbortableOnClauseJoinNodeVisitor implements AbortableResultJoinNodeVisitor {

    private final Expression.ResultVisitor visitor;
    private final Boolean stopValue;

    public AbortableOnClauseJoinNodeVisitor(Expression.ResultVisitor visitor, Boolean stopValue) {
        this.visitor = visitor;
        this.stopValue = stopValue;
    }

    @Override
    public Boolean visit(JoinNode node) {
        if (node.getOnPredicate() != null) {
            return node.getOnPredicate().accept(visitor);
        }

        return null;
    }

    public Boolean getStopValue() {
        return stopValue;
    }

}