/*
* 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.mr;
import java.util.ArrayList;
/**
* This interface generalized the compiler/runtime interactions with instructions
* that consume inputs from distributed cache.
*
*/
public interface IDistributedCacheConsumer
{
/**
* Determines if given index is only used via distributed cache.
*
* @param inst instruction
* @param index ?
* @return true if given index is only used via distributed cache.
*/
public boolean isDistCacheOnlyIndex( String inst, byte index );
/**
* Adds all indexes that are used via distributed cache to the output.
*
* @param inst instruction
* @param indexes ?
*/
public void addDistCacheIndex( String inst, ArrayList<Byte> indexes );
}