/* * 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.matrix.data; import org.apache.hadoop.io.Writable; public interface Converter<K1 extends Writable, V1 extends Writable, K2 extends Writable, V2 extends Writable> { public void convert(K1 k1, V1 v1); public void setBlockSize(int rl, int cl); public boolean hasNext(); public Pair<K2, V2> next(); }