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Plugin providing DataNucleus implementation of the JDO API.

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/**********************************************************************
Copyright (c) 2010 Andy Jefferson and others. All rights reserved.
Licensed 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.

Contributors:
   ...
**********************************************************************/
package org.datanucleus.api.jdo.query;

import java.sql.Date;

import javax.jdo.query.DateExpression;
import javax.jdo.query.NumericExpression;
import javax.jdo.query.PersistableExpression;

import org.datanucleus.query.expression.Expression;
import org.datanucleus.query.expression.InvokeExpression;

/**
 * Implementation of a Date expression.
 */
public class DateExpressionImpl extends ComparableExpressionImpl implements DateExpression
{
    public DateExpressionImpl(PersistableExpression parent, String name)
    {
        super(parent, name);
    }

    public DateExpressionImpl(Class cls, String name, ExpressionType type)
    {
        super(cls, name, type);
    }

    public DateExpressionImpl(Expression queryExpr)
    {
        super(queryExpr);
    }

    /* (non-Javadoc)
     * @see org.datanucleus.query.typesafe.DateExpression#getDay()
     */
    public NumericExpression getDay()
    {
        org.datanucleus.query.expression.Expression invokeExpr = new InvokeExpression(queryExpr, "getDay", null);
        return new NumericExpressionImpl(invokeExpr);
    }

    /* (non-Javadoc)
     * @see org.datanucleus.query.typesafe.DateExpression#getMonth()
     */
    public NumericExpression getMonth()
    {
        org.datanucleus.query.expression.Expression invokeExpr = new InvokeExpression(queryExpr, "getMonth", null);
        return new NumericExpressionImpl(invokeExpr);
    }

    /* (non-Javadoc)
     * @see org.datanucleus.query.typesafe.DateExpression#getYear()
     */
    public NumericExpression getYear()
    {
        org.datanucleus.query.expression.Expression invokeExpr = new InvokeExpression(queryExpr, "getYear", null);
        return new NumericExpressionImpl(invokeExpr);
    }
}