sparksoniq.jsoniq.compiler.translator.expr.operational.ComparisonExpression Maven / Gradle / Ivy

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/*
 * 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.
 *
 * Authors: Stefan Irimescu, Can Berker Cikis
 *
 */

package sparksoniq.jsoniq.compiler.translator.expr.operational;

import sparksoniq.jsoniq.compiler.translator.expr.Expression;
import sparksoniq.jsoniq.compiler.translator.expr.operational.base.BinaryExpressionBase;
import sparksoniq.jsoniq.compiler.translator.metadata.ExpressionMetadata;
import sparksoniq.semantics.visitor.AbstractExpressionOrClauseVisitor;

import java.util.Arrays;

public class ComparisonExpression extends BinaryExpressionBase {

    public static final Operator[] operators = new Operator[]{
            Operator.VC_GE, Operator.VC_GT, Operator.VC_EQ, Operator.VC_NE, Operator.VC_LE, Operator.VC_LT
            , Operator.GC_GE, Operator.GC_GT, Operator.GC_EQ, Operator.GC_NE, Operator.GC_LE, Operator.GC_LT};


    public ComparisonExpression(Expression _mainExpression, ExpressionMetadata metadata) {
        super(_mainExpression, metadata);
    }

    public ComparisonExpression(Expression _mainExpression, Expression rhs,
                                Operator op, ExpressionMetadata metadata) {
        super(_mainExpression, rhs, op, metadata);
        validateOperator(Arrays.asList(operators), op);
    }

    @Override
    public  T accept(AbstractExpressionOrClauseVisitor visitor, T argument) {
        return visitor.visitComparisonExpr(this, argument);
    }

    @Override
    public String serializationString(boolean prefix) {
        String result = "(comparisonExpr ";
        result += _mainExpression.serializationString(true);
        if (this.getRightExpression() != null)
            result += " " + this.getOperator().toString().toLowerCase() + " " + this.getRightExpression().serializationString(true);
        result += ")";
        return result;
    }
}