|
1
4 package gnu.lists;
5 import java.io.*;
6
7
8
9 public class S32Vector extends SimpleVector
10 implements Externalizable
11
12 , Comparable 
13
14 {
15 int[] data;
16 protected static int[] empty = new int[0];
17
18 public S32Vector ()
19 {
20 data = empty;
21 }
22
23 public S32Vector(int size, int value)
24 {
25 int[] array = new int[size];
26 data = array;
27 this.size = size;
28 while (--size >= 0)
29 array[size] = value;
30 }
31
32 public S32Vector(int size)
33 {
34 this.data = new int[size];
35 this.size = size;
36 }
37
38 public S32Vector (int[] data)
39 {
40 this.data = data;
41 size = data.length;
42 }
43
44 public S32Vector(Sequence seq)
45 {
46 data = new int[seq.size()];
47 addAll(seq);
48 }
49
50
51 public int getBufferLength()
52 {
53 return data.length;
54 }
55
56 public void setBufferLength(int length)
57 {
58 int oldLength = data.length;
59 if (oldLength != length)
60 {
61 int[] tmp = new int[length];
62 System.arraycopy(data, 0, tmp, 0,
63 oldLength < length ? oldLength : length);
64 data = tmp;
65 }
66 }
67
68 protected Object getBuffer() { return data; }
69
70 public final int intAt(int index)
71 {
72 if (index > size)
73 throw new IndexOutOfBoundsException ();
74 return data[index];
75 }
76
77 public final int intAtBuffer(int index)
78 {
79 return data[index];
80 }
81
82 public final Object get(int index)
83 {
84 if (index > size)
85 throw new IndexOutOfBoundsException ();
86 return Convert.toObject(data[index]);
87 }
88
89 public final Object getBuffer(int index)
90 {
91 return Convert.toObject(data[index]);
92 }
93
94 public Object setBuffer(int index, Object value)
95 {
96 int old = data[index];
97 data[index] = Convert.toInt(value);
98 return Convert.toObject(old);
99 }
100
101 public final void setIntAt(int index, int value)
102 {
103 if (index > size)
104 throw new IndexOutOfBoundsException ();
105 data[index] = value;
106 }
107
108 public final void setIntAtBuffer(int index, int value)
109 {
110 data[index] = value;
111 }
112
113 protected void clearBuffer(int start, int count)
114 {
115 while (--count >= 0)
116 data[start++] = 0;
117 }
118
119 public int getElementKind()
120 {
121 return INT_S32_VALUE;
122 }
123
124 public String getTag() { return "s32"; }
125
126 public boolean consumeNext (int ipos, Consumer out)
127 {
128 int index = ipos >>> 1;
129 if (index >= size)
130 return false;
131 out.writeInt(data[index]);
132 return true;
133 }
134
135 public void consumePosRange (int iposStart, int iposEnd, Consumer out)
136 {
137 if (out.ignoring())
138 return;
139 int i = iposStart >>> 1;
140 int end = iposEnd >>> 1;
141 if (end > size)
142 end = size;
143 for (; i < end; i++)
144 out.writeInt(data[i]);
145 }
146
147 public int compareTo(Object obj)
148 {
149 return compareToInt(this, (S32Vector) obj);
150 }
151
152
156 public void writeExternal(ObjectOutput out) throws IOException
157 {
158 int size = this.size;
159 out.writeInt(size);
160 for (int i = 0; i < size; i++)
161 out.writeInt(data[i]);
162 }
163
164 public void readExternal(ObjectInput in)
165 throws IOException, ClassNotFoundException
166 {
167 int size = in.readInt();
168 int[] data = new int[size];
169 for (int i = 0; i < size; i++)
170 data[i] = in.readInt();
171 this.data = data;
172 this.size = size;
173 }
174 }
175 |
Popular Tags |
Java API By Example, From Geeks To Geeks.