repository/src/main/java/org/apache/atlas/query/Expressions.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.atlas.query;


import org.apache.atlas.query.antlr4.AtlasDSLParser.QueryContext;


public class Expressions {
    public static class Expression {
        private final QueryContext parsedQuery;


        public Expression(QueryContext q) {
            parsedQuery = q;
        }

        public Expression isReady() {
            return (parsedQuery != null ? this : null);
        }

        public void accept(DSLVisitor qv) {
            qv.visit(parsedQuery);
        }
    }
}