| /* |
| * 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.data; |
| |
| import org.apache.commons.lang.NotImplementedException; |
| import org.apache.sysds.common.Types.ValueType; |
| import org.apache.sysds.runtime.DMLRuntimeException; |
| import org.apache.sysds.runtime.util.UtilFunctions; |
| |
| import java.util.BitSet; |
| |
| public abstract class DenseBlockFactory |
| { |
| public static DenseBlock createDenseBlock(int rlen, int clen) { |
| return createDenseBlock(new int[]{rlen, clen}); |
| } |
| |
| public static DenseBlock createDenseBlock(int[] dims) { |
| return createDenseBlock(ValueType.FP64, dims); |
| } |
| |
| public static DenseBlock createDenseBlock(ValueType vt, int[] dims) { |
| DenseBlock.Type type = (UtilFunctions.prod(dims) < Integer.MAX_VALUE) ? |
| DenseBlock.Type.DRB : DenseBlock.Type.LDRB; |
| return createDenseBlock(vt, type, dims); |
| } |
| |
| public static DenseBlock createDenseBlock(BitSet data, int[] dims) { |
| return new DenseBlockBool(dims, data); |
| } |
| |
| public static DenseBlock createDenseBlock(String[] data, int[] dims) { |
| return new DenseBlockString(dims, data); |
| } |
| |
| public static DenseBlock createDenseBlock(double[] data, int[] dims) { |
| return new DenseBlockFP64(dims, data); |
| } |
| |
| public static DenseBlock createDenseBlock(float[] data, int[] dims) { |
| return new DenseBlockFP32(dims, data); |
| } |
| |
| public static DenseBlock createDenseBlock(long[] data, int[] dims) { |
| return new DenseBlockInt64(dims, data); |
| } |
| |
| public static DenseBlock createDenseBlock(int[] data, int[] dims) { |
| return new DenseBlockInt32(dims, data); |
| } |
| |
| public static DenseBlock createDenseBlock(double[] data, int rlen, int clen) { |
| return createDenseBlock(data, new int[]{rlen, clen}); |
| } |
| |
| public static DenseBlock createDenseBlock(float[] data, int rlen, int clen) { |
| return createDenseBlock(data, new int[]{rlen, clen}); |
| } |
| |
| public static DenseBlock createDenseBlock(ValueType vt, DenseBlock.Type type, int[] dims) { |
| switch( type ) { |
| case DRB: |
| switch(vt) { |
| case FP32: return new DenseBlockFP32(dims); |
| case FP64: return new DenseBlockFP64(dims); |
| case INT32: return new DenseBlockInt32(dims); |
| case INT64: return new DenseBlockInt64(dims); |
| case BOOLEAN: return new DenseBlockBool(dims); |
| case STRING: return new DenseBlockString(dims); |
| default: |
| throw new DMLRuntimeException("Unsupported dense block value type: "+vt.name()); |
| } |
| case LDRB: |
| switch(vt) { |
| case FP32: return new DenseBlockLFP32(dims); |
| case FP64: return new DenseBlockLFP64(dims); |
| case BOOLEAN: return new DenseBlockLBool(dims); |
| case INT32: return new DenseBlockLInt32(dims); |
| case INT64: return new DenseBlockLInt64(dims); |
| case STRING: return new DenseBlockLString(dims); |
| default: |
| throw new NotImplementedException(); |
| } |
| default: |
| throw new DMLRuntimeException("Unexpected dense block type: "+type.name()); |
| } |
| } |
| |
| public static boolean isDenseBlockType(DenseBlock sblock, DenseBlock.Type type) { |
| return (getDenseBlockType(sblock) == type); |
| } |
| |
| public static DenseBlock.Type getDenseBlockType(DenseBlock dblock) { |
| return (dblock instanceof DenseBlockDRB) ? DenseBlock.Type.DRB : |
| (dblock instanceof DenseBlockLDRB) ? DenseBlock.Type.LDRB : null; |
| } |
| } |