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1
4 package gnu.lists;
5 import java.io.*;
6
7
8
9 public class U64Vector extends SimpleVector
10 implements Externalizable
11
12 , Comparable 
13
14 {
15 long[] data;
16
17 public U64Vector ()
18 {
19 data = S64Vector.empty;
20 }
21
22 public U64Vector(int size, long value)
23 {
24 long[] array = new long[size];
25 data = array;
26 this.size = size;
27 while (--size >= 0)
28 array[size] = value;
29 }
30
31 public U64Vector(int size)
32 {
33 this.data = new long[size];
34 this.size = size;
35 }
36
37 public U64Vector (long[] data)
38 {
39 this.data = data;
40 size = data.length;
41 }
42
43 public U64Vector(Sequence seq)
44 {
45 data = new long[seq.size()];
46 addAll(seq);
47 }
48
49
50 public int getBufferLength()
51 {
52 return data.length;
53 }
54
55 public void setBufferLength(int length)
56 {
57 int oldLength = data.length;
58 if (oldLength != length)
59 {
60 long[] tmp = new long[length];
61 System.arraycopy(data, 0, tmp, 0,
62 oldLength < length ? oldLength : length);
63 data = tmp;
64 }
65 }
66
67 protected Object getBuffer() { return data; }
68
69 public final int intAtBuffer(int index)
70 {
71 return (int) data[index];
72 }
73
74 public final long longAt(int index)
75 {
76 if (index > size)
77 throw new IndexOutOfBoundsException ();
78 return data[index];
79 }
80
81 public final long longAtBuffer(int index)
82 {
83 return data[index];
84 }
85
86 public final Object get(int index)
87 {
88 if (index > size)
89 throw new IndexOutOfBoundsException ();
90 return Convert.toObjectUnsigned(data[index]);
91 }
92
93 public final Object getBuffer(int index)
94 {
95 return Convert.toObjectUnsigned(data[index]);
96 }
97
98 public Object setBuffer(int index, Object value)
99 {
100 long old = data[index];
101 data[index] = Convert.toLongUnsigned(value);
102 return Convert.toObjectUnsigned(old);
103 }
104
105 public final void setLongAt(int index, long value)
106 {
107 if (index > size)
108 throw new IndexOutOfBoundsException ();
109 data[index] = value;
110 }
111
112 public final void setLongAtBuffer(int index, long value)
113 {
114 data[index] = value;
115 }
116
117 protected void clearBuffer(int start, int count)
118 {
119 while (--count >= 0)
120 data[start++] = 0;
121 }
122
123 public int getElementKind()
124 {
125 return INT_U64_VALUE;
126 }
127
128 public String getTag() { return "u64"; }
129
130 public boolean consumeNext (int ipos, Consumer out)
131 {
132 int index = ipos >>> 1;
133 if (index >= size)
134 return false;
135 out.writeLong(data[index]);
136 return true;
137 }
138
139 public void consumePosRange (int iposStart, int iposEnd, Consumer out)
140 {
141 if (out.ignoring())
142 return;
143 int i = iposStart >>> 1;
144 int end = iposEnd >>> 1;
145 if (end > size)
146 end = size;
147 for (; i < end; i++)
148 out.writeLong(data[i]);
149 }
150
151 public int compareTo(Object obj)
152 {
153 U64Vector vec2 = (U64Vector) obj;
154 long[] arr1 = data;
155 long[] arr2 = vec2.data;
156 int n1 = size;
157 int n2 = vec2.size;
158 int n = n1 > n2 ? n2 : n1;
159 for (int i = 0; i < n; i++)
160 {
161 long v1 = arr1[i];
162 long v2 = arr2[i];
163 if (v1 != v2)
164 return (v1^0x8000000000000000L) > (v2^0x8000000000000000L) ? 1 : -1;
165 }
166 return n1 - n2;
167 }
168
169
173 public void writeExternal(ObjectOutput out) throws IOException
174 {
175 int size = this.size;
176 out.writeInt(size);
177 for (int i = 0; i < size; i++)
178 out.writeLong(data[i]);
179 }
180
181 public void readExternal(ObjectInput in)
182 throws IOException, ClassNotFoundException
183 {
184 int size = in.readInt();
185 long[] data = new long[size];
186 for (int i = 0; i < size; i++)
187 data[i] = in.readLong();
188 this.data = data;
189 this.size = size;
190 }
191 }
192 |
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