SetConfigurationNode.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.StandardException;

/**
 * A SET statement for a non-standard configuration variable.
 */

public class SetConfigurationNode extends StatementNode
{
    private String variable, value;

    /**
     * Initializer for SetTransactionIsolationNode
     *
     * @param current Whether applies to current transaction or session default
     * @param isolationLevel The new isolation level
     */
    public void init(Object variable,
                     Object value) {
        this.variable = (String)variable;
        this.value = (String)value;
    }

    /**
     * Fill this node with a deep copy of the given node.
     */
    public void copyFrom(QueryTreeNode node) throws StandardException {
        super.copyFrom(node);

        SetConfigurationNode other = (SetConfigurationNode)node;
        this.variable = other.variable;
        this.value = other.value;
    }

    /**
     * Convert this object to a String.  See comments in QueryTreeNode.java
     * for how this should be done for tree printing.
     *
     * @return This object as a String
     */

    public String toString() {
        return "variable: " + variable + "\n" +
               "value: " + value + "\n" +
            super.toString();
    }

    public String getVariable() {
        return variable;
    }

    public String getValue() {
        return value;
    }

    public String statementToString() {
        return "SET " + variable;
    }

}