/**
 * (C) Copyright IBM Corp. 2010, 2015
 *
 * 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.
 * 
 */


package com.ibm.bi.dml.runtime.matrix;

/**
 * Class to store metadata associated with a file (e.g., a matrix) on disk.
 * This class must be extended to associate specific information with the file. 
 *
 */

public abstract class MetaData
{
	@Override
	public abstract boolean equals (Object anObject);
	
	@Override
	public int hashCode()
	{
		//use identity hash code
		return super.hashCode();
	}
	
	@Override
	public abstract String toString();
	
	@Override 
	public abstract Object clone();
}