JDocCoverage Report - 21.04.2006 22:02:51

Namemethod, %comment, %TODO@see
smallsql.database.ExpressionFunctionReturnInt1010,2%   (160/1409)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.]
 *
 * ---------------
 * ExpressionFunctionReturnInt.java
 * ---------------
 * Author: Volker Berlin
 * 
 * Created on 21.06.2004
 */
package smallsql.database;


/**
 * Supper class for functions that return the data type INT
 * @author Volker Berlin
 */
abstract class ExpressionFunctionReturnInt extends ExpressionFunction {



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


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


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


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


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


	final long getMoney() throws Exception {
		return getInt() * 10000;
	}


	final MutableNumeric getNumeric() throws Exception {
		if(isNull()) return null;
		return new MutableNumeric(getInt());
	}


	Object getObject() throws Exception {
		if(isNull()) return null;
		return Utils.getInteger(getInt());
	}


	final String getString() throws Exception {
		if(isNull()) return null;
		return String.valueOf(getInt());
	}


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

}