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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.runtime.instructions.spark;

import org.apache.sysml.parser.Expression.DataType;
import org.apache.sysml.parser.Expression.ValueType;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.DMLUnsupportedOperationException;
import org.apache.sysml.runtime.functionobjects.Builtin;
import org.apache.sysml.runtime.functionobjects.ValueFunction;
import org.apache.sysml.runtime.instructions.cp.CPOperand;
import org.apache.sysml.runtime.matrix.operators.Operator;
import org.apache.sysml.runtime.matrix.operators.UnaryOperator;


public abstract class BuiltinUnarySPInstruction extends UnarySPInstruction 
{
	
	public BuiltinUnarySPInstruction(Operator op, CPOperand in, CPOperand out, String opcode, String istr )
	{
		super(op, in, out, opcode, istr);
		_sptype = SPINSTRUCTION_TYPE.BuiltinUnary;
	}
	
	/**
	 * 
	 * @param str
	 * @return
	 * @throws DMLRuntimeException
	 * @throws DMLUnsupportedOperationException
	 */
	public static BuiltinUnarySPInstruction parseInstruction ( String str ) 
			throws DMLRuntimeException, DMLUnsupportedOperationException 
	{
		CPOperand in = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN);
		CPOperand out = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN);
		
		String opcode = parseUnaryInstruction(str, in, out);
		ValueFunction func = Builtin.getBuiltinFnObject(opcode);
		return new MatrixBuiltinSPInstruction(new UnaryOperator(func), in, out, opcode, str);
	}
}