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1 package com.daffodilwoods.database.general;
2
3 import java.io.*;
4 import com.daffodilwoods.database.resource.*;
5 public class QualifiedIdentifier implements Externalizable{
6
7 public String  catalog;
8
9 private static final long serialVersionUID = 6821180509771995439L;
10
11 public String schema;
12
13 public String name;
14 private String qualifiedName;
15
16 public QualifiedIdentifier() {
17 }
18
19 public QualifiedIdentifier(String catalog,String schema,String name) {
20 this.catalog = catalog;
21 this.schema = schema;
22 this.name = name;
23 initIdentifier();
24 }
25
26 public QualifiedIdentifier(String identifier) {
27 int table_name_index = identifier.lastIndexOf('.');
28 if(table_name_index == -1) {
29 name = identifier;
30 }
31 else {
32 name = identifier.substring(table_name_index+1);
33 int catalog_index = identifier.indexOf('.');
34 catalog = identifier.substring(0,catalog_index);
35 schema = identifier.substring(catalog_index+1, table_name_index);
36 }
37
38 initIdentifier();
39 }
40
41 public String getName() throws DException {
42 return name;
43 }
44
45 public String getIdentifier(){
46 return qualifiedName;
47 }
48
49 private void initIdentifier(){
50
51 StringBuffer identifier = new StringBuffer (25);
52 synchronized(identifier){
53 if(catalog != null && !(catalog.trim().equals("")))
54 identifier.append(catalog).append('.');
55 if(schema != null && !(schema.trim().equals("")))
56 identifier.append(schema).append('.');
57 if(name.indexOf("\"") == -1)
58 identifier.append(name);
59 else
60 identifier.append("\"").append(name).append("\"");
61
62 qualifiedName = identifier.toString();
63 }
64 }
65
66 public boolean equals1(Object value) {
67 if( ! (value instanceof String || value instanceof QualifiedIdentifier) )
68 return false;
69 String newIdentifier = value instanceof QualifiedIdentifier ? ((QualifiedIdentifier)value).getIdentifier() : (String )value;
70 return newIdentifier.equalsIgnoreCase(getIdentifier());
71 }
72
73 public boolean equals(Object value) {
74 if(value instanceof String ){
75 ; Thread.dumpStack();
77 }
78 QualifiedIdentifier q = (QualifiedIdentifier)value;
79 if( q.schema.equalsIgnoreCase("system") )
80 Thread.dumpStack();
81 return q.catalog.equalsIgnoreCase(catalog) && q.schema.equalsIgnoreCase(schema) && q.name.equalsIgnoreCase(name);
82 }
83 public int hashCode(){
84 return schema.toLowerCase().hashCode() + catalog.toLowerCase().hashCode() + name.toLowerCase().hashCode();
85 }
86
87 public String toString() {
88 return getIdentifier(); }
90
91 public void writeExternal(ObjectOutput objectOutput) {
92 try {
93 objectOutput.writeObject(catalog);
94 objectOutput.writeObject(schema);
95 objectOutput.writeObject(name);
96 }catch(IOException ioe ) {
97 }
98 }
99 public void readExternal(ObjectInput objectInput) {
100 try {
101 catalog = (String )objectInput.readObject();
102 schema = (String )objectInput.readObject();
103 name = (String )objectInput.readObject();
104 }catch(IOException ioe ) {
105 }catch(ClassNotFoundException cnfe) {
106 }
107 initIdentifier();
108 }
109 public String [] getTableName() throws DException{
110 return new String []{catalog,schema,name};
111 }
112
113 }
114 |
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