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1 package com.daffodilwoods.daffodildb.server.serversystem;
2
3 import java.util.*;
4
5 import com.daffodilwoods.daffodildb.server.datadictionarysystem.*;
6 import com.daffodilwoods.daffodildb.server.datadictionarysystem.information.*;
7 import com.daffodilwoods.database.resource.*;
8 import com.daffodilwoods.database.utility.*;
9 public class User implements _User {
10
11 String  userName;
12 String password;
13 _ServerSystem serverSystem;
14 private TreeSet databases;
15 private TreeMap databaseInformationMap;
16
17 public User(String userName,_ServerSystem serverSystem,String password) {
18 this.userName = userName;
19 this.serverSystem = serverSystem;
20 this.password = password;
21 databaseInformationMap = new TreeMap(String.CASE_INSENSITIVE_ORDER);
22 }
23
24 public String getUserName() {
25 return userName;
26 }
27
28
33
34 public ArrayList getAllDatabases() throws DException {
35 if(databases == null){
36 databases = new TreeSet(String.CASE_INSENSITIVE_ORDER);
37 ArrayList listOfDatabases = serverSystem.getAllDatabases(userName) ;
38 if(listOfDatabases != null)
39 databases.addAll(listOfDatabases );
40 }
41 return new ArrayList(databases);
42 }
43
44 public _Connection getConnection(String databaseName,Properties prop) throws DException{
45 prop.setProperty(_Server.USER,userName);
46 prop.setProperty(_Server.PASSWORD,password);
47 _Connection con = serverSystem.getConnection(databaseName,prop);
48 return con;
49 }
50
51
56 public _DatabaseInformation getDatabaseInformation(String databaseName) throws DException {
57 if(databaseInformationMap.containsKey(databaseName))
58 return (_DatabaseInformation)databaseInformationMap.get(databaseName);
59 getAllDatabases();
60 if(!databases.contains(databaseName))
61 return null;
62 try{
63 _DataDictionary dic = serverSystem.getDataDictionary(databaseName);
64 DatabaseInformation databaseInformation = new DatabaseInformation(this,databaseName,dic);
65 databaseInformationMap.put(databaseName,databaseInformation);
66 return databaseInformation;
67 }catch(Exception ex){
68 P.pln(" problem in getting the database information ........ so returning null");
69 return null;
70 }
71 }
72
73 public ArrayList getAllSessions(String databaseName) throws DException {
74 return serverSystem.getAllSessions(databaseName);
75 }
76
77 public void createDatabase(String databaseName, Properties properties) throws DException{
78 serverSystem.createDatabase(databaseName,properties);
79 }
80
81 public void dropDatabase( String url ) throws DException {
82 _DatabaseInformation dbinf = (_DatabaseInformation)databaseInformationMap.remove(url);
83 if(dbinf != null){
84 dbinf.close();
85 }
86 serverSystem.dropDatabase(url, userName,password,url);
87 }
88
89 public void refersh(){
90 databases = null;
91 try {
92 Set set = databaseInformationMap.entrySet();
93 Iterator iter = set.iterator();
94 int i=1;
95 while (iter.hasNext()) {
96 ( (_DatabaseInformation) ( (Map.Entry) iter.next()).getValue()).close();
97 }
98 } catch (DException ex) {
99 }
100 databaseInformationMap = new TreeMap(String.CASE_INSENSITIVE_ORDER);
101 }
102
103 public void setUserName(String userName0){
104 userName = userName0;
105 }
106
107 public void setPassword(String passWord0){
108 password = passWord0;
109 }
110 }
111 |
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