/*
 * Copyright (c) 2011, 2021 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation
//
package org.eclipse.persistence.jpa.jpql.tools.model;

import org.eclipse.persistence.jpa.jpql.tools.model.query.SimpleSelectClauseStateObject;

/**
 * @version 2.4
 * @since 2.4
 * @author Pascal Filion
 */
public abstract class AbstractEclipseLinkSimpleSelectExpressionStateObjectBuilder extends AbstractSimpleSelectExpressionStateObjectBuilder
                                                                                  implements IEclipseLinkSimpleSelectExpressionStateObjectBuilder {

    /**
     * Creates a new <code>AbstractEclipseLinkSimpleSelectExpressionStateObjectBuilder</code>.
     *
     * @param parent The select clause for which this builder can create a select expression
     */
    protected AbstractEclipseLinkSimpleSelectExpressionStateObjectBuilder(SimpleSelectClauseStateObject parent) {
        super(parent);
    }

    @Override
    public void commit() {
        getParent().setSelectItem(pop());
    }

    @Override
    protected SimpleSelectClauseStateObject getParent() {
        return (SimpleSelectClauseStateObject) super.getParent();
    }

    @Override
    public IEclipseLinkSimpleSelectExpressionStateObjectBuilder variable(String variable) {
        return (IEclipseLinkSimpleSelectExpressionStateObjectBuilder) super.variable(variable);
    }
}