| /* |
| * 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.sysds.common.Warnings; |
| import org.apache.sysds.runtime.util.DataConverter; |
| import org.apache.sysds.runtime.util.UtilFunctions; |
| |
| import java.util.Arrays; |
| |
| public class DenseBlockString extends DenseBlockDRB { |
| private static final long serialVersionUID = 7071870563356352352L; |
| |
| protected String[] _data; |
| |
| public DenseBlockString(int[] dims) { |
| super(dims); |
| reset(_rlen, _odims, 0); |
| } |
| |
| @Override |
| protected void allocateBlock(int bix, int length) { |
| _data = new String[length]; |
| } |
| |
| public DenseBlockString(int[] dims, String[] data) { |
| super(dims); |
| _data = data; |
| } |
| |
| public String[] getData() { |
| return _data; |
| } |
| |
| @Override |
| public boolean isNumeric() { |
| return false; |
| } |
| |
| @Override |
| public long capacity() { |
| return (_data != null) ? _data.length : -1; |
| } |
| |
| @Override |
| protected long computeNnz(int bix, int start, int length) { |
| return UtilFunctions.computeNnz(_data, start, length); |
| } |
| |
| @Override |
| public double[] values(int r) { |
| return DataConverter.toDouble(_data); |
| } |
| |
| @Override |
| public double[] valuesAt(int bix) { |
| Warnings.warnFullFP64Conversion(_data.length); |
| return DataConverter.toDouble(_data); |
| } |
| |
| @Override |
| public int index(int r) { |
| return 0; |
| } |
| |
| @Override |
| public int pos(int r) { |
| return r * _odims[0]; |
| } |
| |
| @Override |
| public int pos(int r, int c) { |
| return r * _odims[0] + c; |
| } |
| |
| @Override |
| public void incr(int r, int c) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void incr(int r, int c, double delta) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| protected void fillBlock(int bix, int fromIndex, int toIndex, double v) { |
| Arrays.fill(_data, fromIndex, toIndex, String.valueOf(v)); |
| } |
| |
| @Override |
| protected void setInternal(int bix, int ix, double v) { |
| _data[ix] = String.valueOf(v); |
| } |
| |
| @Override |
| public DenseBlock set(String s) { |
| Arrays.fill(_data, 0, _data.length, s); |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int r, int c, double v) { |
| _data[pos(r, c)] = String.valueOf(v); |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(DenseBlock db) { |
| int[] ix = new int[numDims()]; |
| for (int r = 0; r < _rlen; r++) { |
| ix[0] = r; |
| for (int c = 0; c < _odims[0]; c++) { |
| ix[ix.length - 1] = c; // for linear scan |
| _data[pos(r, c)] = db.getString(ix); |
| } |
| } |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int r, double[] v) { |
| System.arraycopy(DataConverter.toString(v), 0, _data, pos(r), _odims[0]); |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int[] ix, double v) { |
| _data[pos(ix)] = String.valueOf(v); |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int[] ix, long v) { |
| _data[pos(ix)] = String.valueOf(v); |
| return this; |
| } |
| |
| @Override |
| public double get(int r, int c) { |
| String s = _data[pos(r, c)]; |
| return s == null || s.isEmpty() ? 0 : Double.parseDouble(s); |
| } |
| |
| @Override |
| public double get(int[] ix) { |
| String s = _data[pos(ix)]; |
| return s == null || s.isEmpty() ? 0 : Double.parseDouble(s); |
| } |
| |
| @Override |
| public DenseBlock set(int[] ix, String v) { |
| _data[pos(ix)] = v; |
| return this; |
| } |
| |
| @Override |
| public String getString(int[] ix) { |
| return _data[pos(ix)]; |
| } |
| |
| @Override |
| public long getLong(int[] ix) { |
| String s = _data[pos(ix)]; |
| return s == null || s.isEmpty() ? 0 : Long.parseLong(s); |
| } |
| } |