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1 package com.daffodilwoods.daffodildb.server.datasystem.indexsystem;
2
3 import com.daffodilwoods.daffodildb.server.datasystem.interfaces._DataSystem;
4 import com.daffodilwoods.daffodildb.server.datasystem.interfaces._Database;
5 import com.daffodilwoods.database.resource.DException;
6 import java.util.Properties  ;
7 import java.util.HashMap ;
8
9 public class ReadOnlyTempIndexSystem implements _DataSystem {
10
11 HashMap readOnlyTempIndexDatabaseMap;
12
13 public ReadOnlyTempIndexSystem() {
14 readOnlyTempIndexDatabaseMap = new HashMap ();
15 }
16
17 public synchronized _Database getDatabase(String databaseName) throws DException {
18 _Database database = (ReadOnlyTempIndexDatabase)
19 readOnlyTempIndexDatabaseMap.get(databaseName);
20 if (database != null)
21 return database;
22 database = new ReadOnlyTempIndexDatabase();
23 readOnlyTempIndexDatabaseMap.put(databaseName, database);
24 return database;
25 }
26
27 public void createDatabase(String string, Properties properties) throws DException {
28
29 }
30
31 public synchronized void dropDatabase(String databaseName) throws DException {
32 removeDatabase(databaseName);
33 }
34
35 public synchronized void removeDatabase(String databaseName) throws DException {
36 readOnlyTempIndexDatabaseMap.remove(databaseName);
37 }
38 }
39 |
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