JDocCoverage Report - 21.04.2006 22:02:51

Namemethod, %comment, %TODO@see
smallsql.database.ExpressionFunctionReturnFloat107,0%   (113/1510)00

/* =============================================================
 * SmallSQL : a free Java DBMS library for the Java(tm) platform
 * =============================================================
 *
 * (C) Copyright 2004-2006, by Volker Berlin.
 *
 * Project Info:  http://www.smallsql.de/
 *
 * This library is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by 
 * the Free Software Foundation; either version 2.1 of the License, or 
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
 * USA.  
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
 * in the United States and other countries.]
 *
 * ---------------
 * ExpressionFunctionReturnFloat.java
 * ---------------
 * Author: Volker Berlin
 * 
 */
package smallsql.database;


abstract class ExpressionFunctionReturnFloat extends ExpressionFunction {

    boolean isNull() throws Exception{
        return param1.isNull();
    }

    final boolean getBoolean() throws Exception{
        return getDouble() != 0;
    }

	final int getInt() throws Exception{
        return (int)getDouble();
    }

	final long getLong() throws Exception{
        return (long)getDouble();
    }

	final float getFloat() throws Exception{
        return (float)getDouble();
    }


    long getMoney() throws Exception{
        return Utils.doubleToMoney(getDouble());
    }

	final MutableNumeric getNumeric() throws Exception{
		if(isNull()) return null;
		double value = getDouble();
		if(Double.isInfinite(value) || Double.isNaN(value))
			return null;
		return new MutableNumeric(value);
    }

	final Object getObject() throws Exception{
		if(isNull()) return null;
		return new Double(getDouble());
    }

	final String getString() throws Exception{
        Object obj = getObject();
        if(obj == null) return null;
        return obj.toString();
    }

	final int getDataType() {
		return SQLTokenizer.FLOAT;
	}
    

}