| /* |
| * 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.sysds.runtime.controlprogram.caching; |
| |
| import java.util.ArrayList; |
| |
| import org.apache.sysds.runtime.data.TensorBlock; |
| import org.apache.sysds.runtime.data.TensorIndexes; |
| import org.apache.sysds.runtime.matrix.data.FrameBlock; |
| import org.apache.sysds.runtime.matrix.data.MatrixBlock; |
| import org.apache.sysds.runtime.matrix.data.MatrixIndexes; |
| import org.apache.sysds.runtime.matrix.data.Pair; |
| |
| /** |
| * Factory to create instances of matrix/frame blocks given |
| * internal codes. |
| * |
| */ |
| public class CacheBlockFactory |
| { |
| public static CacheBlock newInstance(int code) { |
| switch( code ) { |
| case 0: return new MatrixBlock(); |
| case 1: return new FrameBlock(); |
| case 2: return new TensorBlock(); |
| } |
| throw new RuntimeException("Unsupported cache block type: "+code); |
| } |
| |
| public static int getCode(CacheBlock block) { |
| if (block instanceof MatrixBlock) |
| return 0; |
| else if (block instanceof FrameBlock) |
| return 1; |
| else if (block instanceof TensorBlock) |
| return 2; |
| throw new RuntimeException("Unsupported cache block type: " + block.getClass().getName()); |
| } |
| |
| public static ArrayList<?> getPairList(CacheBlock block) { |
| int code = getCode(block); |
| switch (code) { |
| case 0: return new ArrayList<Pair<MatrixIndexes, MatrixBlock>>(); |
| case 1: return new ArrayList<Pair<Long, FrameBlock>>(); |
| case 2: return new ArrayList<Pair<TensorIndexes, TensorBlock>>(); |
| } |
| throw new RuntimeException("Unsupported cache block type: "+code); |
| } |
| } |