BinaryBitOperatorNode.java

/**
 * Copyright © 2012 Akiban Technologies, Inc.  All rights
 * reserved.
 *
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v1.0 which
 * accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * This program may also be available under different license terms.
 * For more information, see www.akiban.com or contact
 * licensing@akiban.com.
 *
 * Contributors:
 * Akiban Technologies, Inc.
 */

package com.akiban.sql.parser;

import com.akiban.sql.types.ValueClassName;

/**
 * This node represents a binary arithmetic operator, like + or *.
 *
 */

public class BinaryBitOperatorNode extends BinaryOperatorNode
{
    /**
     * Initializer for a BinaryBitOperatorNode
     *
     * @param leftOperand The left operand
     * @param rightOperand  The right operand
     */

    public void init(Object operatorType, Object leftOperand, Object rightOperand) {
        super.init(leftOperand, rightOperand,
                   ValueClassName.NumberDataValue, ValueClassName.NumberDataValue);

        String operator = null;
        String methodName = null;

        switch ((OperatorType)operatorType) {
        case BITAND:
            operator = "&";
            methodName = "bitand";
            break;

        case BITOR:
            operator = "|";
            methodName = "bitor";
            break;

        case BITXOR:
            operator = "^";
            methodName = "bitxor";
            break;

        case LEFT_SHIFT:
            operator = "<<";
            methodName = "leftshift";
            break;

        case RIGHT_SHIFT:
            operator = ">>";
            methodName = "rightshift";
            break;

        default:
            assert false : "Unexpected operator:" + operatorType;
        }
        setOperator(operator);
        setMethodName(methodName);
    }

}