-
Notifications
You must be signed in to change notification settings - Fork 3.4k
/
Decimal128Array.cs
206 lines (172 loc) · 6.3 KB
/
Decimal128Array.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
// 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.
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data.SqlTypes;
using System.Diagnostics;
using Apache.Arrow.Arrays;
using Apache.Arrow.Types;
namespace Apache.Arrow
{
public class Decimal128Array : FixedSizeBinaryArray, IReadOnlyList<SqlDecimal?>
{
public class Builder : BuilderBase<Decimal128Array, Builder>
{
public Builder(Decimal128Type type) : base(type, 16)
{
DataType = type;
}
protected new Decimal128Type DataType { get; }
protected override Decimal128Array Build(ArrayData data)
{
return new Decimal128Array(data);
}
public Builder Append(decimal value)
{
Span<byte> bytes = stackalloc byte[DataType.ByteWidth];
DecimalUtility.GetBytes(value, DataType.Precision, DataType.Scale, DataType.ByteWidth, bytes);
return Append(bytes);
}
public Builder AppendRange(IEnumerable<decimal> values)
{
if (values == null)
{
throw new ArgumentNullException(nameof(values));
}
foreach (decimal d in values)
{
Append(d);
}
return Instance;
}
public Builder Append(string value)
{
if (value == null)
{
AppendNull();
}
else
{
Span<byte> bytes = stackalloc byte[DataType.ByteWidth];
DecimalUtility.GetBytes(value, DataType.Precision, DataType.Scale, ByteWidth, bytes);
Append(bytes);
}
return Instance;
}
public Builder AppendRange(IEnumerable<string> values)
{
if (values == null)
{
throw new ArgumentNullException(nameof(values));
}
foreach (string s in values)
{
Append(s);
}
return Instance;
}
public Builder Append(SqlDecimal value)
{
Span<byte> bytes = stackalloc byte[DataType.ByteWidth];
DecimalUtility.GetBytes(value, DataType.Precision, DataType.Scale, bytes);
return Append(bytes);
}
public Builder AppendRange(IEnumerable<SqlDecimal> values)
{
if (values == null)
{
throw new ArgumentNullException(nameof(values));
}
foreach (SqlDecimal d in values)
{
Append(d);
}
return Instance;
}
public Builder Set(int index, decimal value)
{
Span<byte> bytes = stackalloc byte[DataType.ByteWidth];
DecimalUtility.GetBytes(value, DataType.Precision, DataType.Scale, DataType.ByteWidth, bytes);
return Set(index, bytes);
}
}
public Decimal128Array(ArrayData data)
: base(ArrowTypeId.Decimal128, data)
{
data.EnsureDataType(ArrowTypeId.Decimal128);
data.EnsureBufferCount(2);
Debug.Assert(Data.DataType is Decimal128Type);
}
public override void Accept(IArrowArrayVisitor visitor) => Accept(this, visitor);
public int Scale => ((Decimal128Type)Data.DataType).Scale;
public int Precision => ((Decimal128Type)Data.DataType).Precision;
public int ByteWidth => ((Decimal128Type)Data.DataType).ByteWidth;
public decimal? GetValue(int index)
{
if (IsNull(index))
{
return null;
}
return DecimalUtility.GetDecimal(ValueBuffer, index, Scale, ByteWidth);
}
public IList<decimal?> ToList(bool includeNulls = false)
{
var list = new List<decimal?>(Length);
for (int i = 0; i < Length; i++)
{
decimal? value = GetValue(i);
if (value.HasValue)
{
list.Add(value.Value);
}
else
{
if (includeNulls)
{
list.Add(null);
}
}
}
return list;
}
public string GetString(int index)
{
if (IsNull(index))
{
return null;
}
return DecimalUtility.GetString(ValueBuffer, index, Precision, Scale, ByteWidth);
}
public SqlDecimal? GetSqlDecimal(int index)
{
if (IsNull(index))
{
return null;
}
return DecimalUtility.GetSqlDecimal128(ValueBuffer, index, Precision, Scale);
}
int IReadOnlyCollection<SqlDecimal?>.Count => Length;
SqlDecimal? IReadOnlyList<SqlDecimal?>.this[int index] => GetSqlDecimal(index);
IEnumerator<SqlDecimal?> IEnumerable<SqlDecimal?>.GetEnumerator()
{
for (int index = 0; index < Length; index++)
{
yield return GetSqlDecimal(index);
}
}
IEnumerator IEnumerable.GetEnumerator() => ((IEnumerable<SqlDecimal>)this).GetEnumerator();
}
}