OneRecordPerPageStrategy.java

/* XXL: The eXtensible and fleXible Library for data processing

Copyright (C) 2000-2011 Prof. Dr. Bernhard Seeger
                        Head of the Database Research Group
                        Department of Mathematics and Computer Science
                        University of Marburg
                        Germany

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 3 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, see <http://www.gnu.org/licenses/>. 

    http://code.google.com/p/xxl/

*/

package xxl.core.collections.containers.recordManager;


/** 
 * This class provides one record per page strategy. Each record
 * gets its own page. This strategy usually performs bad.
 */
public class OneRecordPerPageStrategy extends AbstractStrategy {

	/**
	 * Creates a OneRecordPerBlockStrategy object.
	 */
	public OneRecordPerPageStrategy() {
	}

	/**
	 * Finds a block with enough free space to hold the given number
	 * of bytes.
	 * @param bytesRequired The free space needed, in bytes.
	 * @return Id of the Page or null, if no such page exists.
	 */
	public Object getPageForRecord(int bytesRequired) {
		return null;
	}
}