com.sun.jdo.spi.persistence.support.sqlstore.query.jqlc.QueryValueFetcher Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of payara-embedded-web Show documentation
Embedded-Web Distribution of the Payara Project
There is a newer version: 6.2024.6
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

/*
 * QueryValueFetcher.java
 *
 * Created on March 15, 2002
 * @author  Daniel Tonn
 */

package com.sun.jdo.spi.persistence.support.sqlstore.query.jqlc;

import java.util.ResourceBundle;

import com.sun.jdo.api.persistence.support.JDOFatalInternalException;
import com.sun.jdo.spi.persistence.support.sqlstore.ValueFetcher;
import org.glassfish.persistence.common.I18NHelper;

/**
 * Class wrapping the actual query parameters to make them
 * accessible through the ValueFetcher interface.
 */
public class QueryValueFetcher implements ValueFetcher 
{
    /** I18N support */
    protected final static ResourceBundle messages =
        I18NHelper.loadBundle(QueryValueFetcher.class);

    /** The actual parameter values. */
    private Object[] parameters;
    
    /**
     * Constructor.
     * @param parameters the actual parameter values.
     */
    public QueryValueFetcher(Object[] parameters) 
    {
        this.parameters = parameters;
    }
    
    /**
     * Returns the parameter value for the specified parameter index
     * @param whichOne the parameter index
     * @return the parameter value
     */
    public Object getValue(int whichOne) 
    {
        if (parameters == null || whichOne >= parameters.length) 
        {
            throw new JDOFatalInternalException(I18NHelper.getMessage(messages,
                "jqlc.queryvaluefetcher.getvalue.invalidparam", //NOI18N
                String.valueOf(whichOne),
                String.valueOf((parameters == null) ? 0 : parameters.length)));
        }
        return parameters[whichOne];
    }
}