/**
* (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.hops.globalopt;
import com.ibm.bi.dml.hops.HopsException;
import com.ibm.bi.dml.hops.globalopt.gdfgraph.GDFGraph;
import com.ibm.bi.dml.lops.LopsException;
import com.ibm.bi.dml.runtime.DMLRuntimeException;
import com.ibm.bi.dml.runtime.DMLUnsupportedOperationException;
/**
* Super class for all optimizers (e.g., transformation-based, and enumeration-based)
*
*/
public abstract class GlobalOptimizer
{
/**
* Core optimizer call, to be implemented by an instance of a global
* data flow optimizer.
*
* @param prog
* @param rtprog
* @return
* @throws DMLRuntimeException
* @throws HopsException
* @throws LopsException
* @throws
*/
public abstract GDFGraph optimize( GDFGraph gdfgraph, Summary summary )
throws DMLRuntimeException, DMLUnsupportedOperationException, HopsException, LopsException;
}