org.apache.sysml.hops.globalopt.gdfresolve.MismatchHeuristicFactory Maven / Gradle / Ivy

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Declarative Machine Learning

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.sysml.hops.globalopt.gdfresolve;

import org.apache.sysml.hops.globalopt.gdfresolve.GDFMismatchHeuristic.MismatchHeuristicType;
import org.apache.sysml.runtime.DMLRuntimeException;

public abstract class MismatchHeuristicFactory 
{

	/**
	 * 
	 * @param type
	 * @return
	 * @throws DMLRuntimeException
	 */
	public static GDFMismatchHeuristic createMismatchHeuristic( MismatchHeuristicType type ) 
		throws DMLRuntimeException
	{
		switch( type ) {
			case FIRST: 
				return new GDFMismatchHeuristicFirst(); 
			case BLOCKSIZE_OR_FIRST: 
				return new GDFMismatchHeuristicBlocksizeOrFirst();
				
			default:
				throw new DMLRuntimeException("Unsupported mismatch heuristic: "+type);
		}	
	}
}