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1
8
9 package com.sleepycat.persist.impl;
10
11 import java.lang.reflect.Array  ;
12 import java.util.IdentityHashMap ;
13 import java.util.Map ;
14 import java.util.Set ;
15
16 import com.sleepycat.persist.raw.RawObject;
17
18
24 public class PrimitiveArrayFormat extends Format {
25
26 private static final long serialVersionUID = 8285299924106073591L;
27
28 private SimpleFormat componentFormat;
29
30 PrimitiveArrayFormat(Class type) {
31 super(type);
32 }
33
34 @Override
35 public boolean isArray() {
36 return true;
37 }
38
39 @Override
40 public int getDimensions() {
41 return 1;
42 }
43
44 @Override
45 public Format getComponentType() {
46 return componentFormat;
47 }
48
49 @Override
50 void collectRelatedFormats(Catalog catalog,
51 Map <String ,Format> newFormats) {
52
53 }
54
55 @Override
56 void initialize(Catalog catalog) {
57 componentFormat = (SimpleFormat)
58 catalog.getFormat(getType().getComponentType());
59 }
60
61 @Override
62 Object newArray(int len) {
63 return Array.newInstance(getType(), len);
64 }
65
66 @Override
67 public Object newInstance(EntityInput input, boolean rawAccess) {
68 int len = input.readArrayLength();
69 if (rawAccess) {
70 return new RawObject(this, new Object [len]);
71 } else {
72 return componentFormat.newPrimitiveArray(len, input);
73 }
74 }
75
76 @Override
77 public Object readObject(Object o, EntityInput input, boolean rawAccess) {
78 if (rawAccess) {
79 Object [] a = ((RawObject) o).getElements();
80 for (int i = 0; i < a.length; i += 1) {
81 a[i] = componentFormat.newInstance(input, true);
82 componentFormat.readObject(a[i], input, true);
83 }
84 }
85
86 return o;
87 }
88
89 @Override
90 void writeObject(Object o, EntityOutput output, boolean rawAccess) {
91 if (rawAccess) {
92 Object [] a = ((RawObject) o).getElements();
93 output.writeArrayLength(a.length);
94 for (int i = 0; i < a.length; i += 1) {
95 componentFormat.writeObject(a[i], output, true);
96 }
97 } else {
98 componentFormat.writePrimitiveArray(o, output);
99 }
100 }
101
102 @Override
103 Object convertRawObject(Catalog catalog,
104 boolean rawAccess,
105 RawObject rawObject,
106 IdentityHashMap converted) {
107 RawArrayInput input = new RawArrayInput
108 (catalog, rawAccess, converted, rawObject, componentFormat);
109 Object a = newInstance(input, rawAccess);
110 converted.put(rawObject, a);
111 return readObject(a, input, rawAccess);
112 }
113
114 @Override
115 void skipContents(RecordInput input) {
116 int len = input.readPackedInt();
117 componentFormat.skipPrimitiveArray(len, input);
118 }
119
120 @Override
121 void copySecMultiKey(RecordInput input, Format keyFormat, Set results) {
122 int len = input.readPackedInt();
123 componentFormat.copySecMultiKeyPrimitiveArray(len, input, results);
124 }
125
126 @Override
127 boolean evolve(Format newFormat, Evolver evolver) {
128 evolver.useOldFormat(this, newFormat);
129 return true;
130 }
131 }
132 |
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