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1
24 package org.objectweb.jalisto.se.impl.meta;
25
26 import org.objectweb.jalisto.se.api.query.Index;
27 import org.objectweb.jalisto.se.exception.JalistoException;
28 import org.objectweb.jalisto.se.impl.InFileAddress;
29 import org.objectweb.jalisto.se.impl.server.page.LeafPage;
30 import org.objectweb.jalisto.se.impl.server.page.NodePage;
31
32 import java.io.Serializable  ;
33
34 public class IndexDescription implements Serializable {
35
36 public IndexDescription(FieldDescriptionImpl fieldDescription) {
37 this.fieldDescription = fieldDescription;
38 this.nodePageSize = NodePage.DEFAULT_SIZE;
39 this.leafPageSize = LeafPage.DEFAULT_SIZE;
40 this.nodeSize = Index.NODE_DEFAULT_SIZE;
41 }
42
43 public boolean hasIndex() {
44 return (valueIndexIfa != null);
45 }
46
47 public FieldDescriptionImpl getFieldDescription() {
48 return fieldDescription;
49 }
50
51 public short getLeafPageSize() {
52 return leafPageSize;
53 }
54
55 public void setLeafPageSize(short leafPageSize) {
56 this.leafPageSize = leafPageSize;
57 }
58
59 public short getNodePageSize() {
60 return nodePageSize;
61 }
62
63 public void setNodePageSize(short nodePageSize) {
64 this.nodePageSize = nodePageSize;
65 }
66
67 public short getNodeSize() {
68 return nodeSize;
69 }
70
71 public void setNodeSize(short nodeSize) {
72 this.nodeSize = nodeSize;
73 }
74
75 public boolean isIndexDefined() {
76 return (valueIndexIfa != null);
77 }
78
79 public InFileAddress getValueIndexIfa() {
80 if (!fieldDescription.getType().isBasicType()) {
81 throw new JalistoException("cannot use or define index on none basic type field : " + fieldDescription);
82 }
83 return valueIndexIfa;
84 }
85
86 public void setValueIndexIfa(InFileAddress valueIndexIfa) {
87 if (!fieldDescription.getType().isBasicType()) {
88 throw new JalistoException("cannot use or define index on none basic type field : " + fieldDescription);
89 }
90 this.valueIndexIfa = valueIndexIfa;
91 }
92
93 public short getValueIndexType() {
94 return valueIndexType;
95 }
96
97 public void setValueIndexType(short valueIndexType) {
98 this.valueIndexType = valueIndexType;
99 }
100
101 public boolean equals(Object o) {
102 try {
103 IndexDescription candidate = (IndexDescription) o;
104 return (candidate.valueIndexIfa.equals(this.valueIndexIfa) &&
105 (candidate.valueIndexType == this.valueIndexType) &&
106 (candidate.nodeSize == this.nodeSize) &&
107 (candidate.nodePageSize == this.nodePageSize) &&
108 (candidate.leafPageSize == this.leafPageSize));
109 } catch (Exception e) {
110 }
111 return false;
112 }
113
114 private FieldDescriptionImpl fieldDescription;
115 private InFileAddress valueIndexIfa;
116 private short valueIndexType;
117 private short nodeSize;
118 private short nodePageSize;
119 private short leafPageSize;
120
121
122 static final long serialVersionUID = -6989377087964761459L;
123 }
124 |
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