01: /*
02: * XAPool: Open Source XA JDBC Pool
03: * Copyright (C) 2003 Objectweb.org
04: * Initial Developer: Lutris Technologies Inc.
05: * Contact: xapool-public@lists.debian-sf.objectweb.org
06: *
07: * This library is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2.1 of the License, or any later version.
11: *
12: * This library is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this library; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20: * USA
21: */
22: package org.enhydra.jdbc.instantdb;
23:
24: import java.sql.SQLException;
25: import java.util.Hashtable;
26:
27: import org.enhydra.instantdb.jdbc.ConnectionExtensions;
28: import org.enhydra.jdbc.standard.StandardXADataSource;
29:
30: import javax.sql.XADataSource;
31: import javax.sql.XAConnection;
32: import javax.naming.Context;
33: import javax.naming.Name;
34: import javax.naming.Reference;
35:
36: /**
37: * Data source for creating IdbXAConnections.
38: */
39: public class IdbXADataSource extends StandardXADataSource implements
40: XADataSource {
41:
42: String databaseId; // unique string identifying an InstantDB database instance
43:
44: /**
45: * Constructor.
46: */
47: public IdbXADataSource() {
48: // Required by JNDI
49: super ();
50: }
51:
52: /**
53: * Creates an XA connection using the default username and password.
54: */
55: public XAConnection getXAConnection() throws SQLException {
56: return getXAConnection(user, password);
57: }
58:
59: /**
60: * Creates an XA connection using the supplied username and password.
61: */
62: public XAConnection getXAConnection(String user, String password)
63: throws SQLException {
64: IdbXAConnection xac = new IdbXAConnection(this , user, password);
65: xac.setTransactionManager(transactionManager);
66: if (databaseId == null) { // if this is the first connection
67: databaseId = ((ConnectionExtensions) xac.con)
68: .getDatabaseId();// save the database id
69: } // if
70: connectionCount++;
71: return xac;
72: }
73:
74: /**
75: * The factory interface.
76: */
77: public Object getObjectInstance(Object refObj, Name name,
78: Context nameCtx, Hashtable env) throws Exception {
79: Reference ref = (Reference) refObj;
80: if (ref.getClassName().equals(getClass().getName())) {
81: IdbXADataSource dataSource = new IdbXADataSource();
82: dataSource.setDriverName((String) ref.get("driverName")
83: .getContent());
84: dataSource.setUrl((String) ref.get("url").getContent());
85: return dataSource;
86: } else {
87: return null;
88: }
89: }
90:
91: }
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