| 1 | /* |
| 2 | |
| 3 | Derby - Class org.apache.derby.jdbc.EmbeddedConnectionPoolDataSource |
| 4 | |
| 5 | Copyright 2001, 2004 The Apache Software Foundation or its licensors, as applicable. |
| 6 | |
| 7 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | you may not use this file except in compliance with the License. |
| 9 | You may obtain a copy of the License at |
| 10 | |
| 11 | http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | |
| 13 | Unless required by applicable law or agreed to in writing, software |
| 14 | distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | See the License for the specific language governing permissions and |
| 17 | limitations under the License. |
| 18 | |
| 19 | */ |
| 20 | |
| 21 | package org.apache.derby.jdbc; |
| 22 | |
| 23 | import java.sql.SQLException; |
| 24 | |
| 25 | /* -- New jdbc 20 extension types --- */ |
| 26 | import javax.sql.ConnectionPoolDataSource; |
| 27 | import javax.sql.PooledConnection; |
| 28 | |
| 29 | /** |
| 30 | EmbeddedConnectionPoolDataSource is Derby's ConnectionPoolDataSource |
| 31 | implementation for the JDBC3.0 and JDBC2.0 environments. |
| 32 | |
| 33 | |
| 34 | <P>A ConnectionPoolDataSource is a factory for PooledConnection |
| 35 | objects. An object that implements this interface will typically be |
| 36 | registered with a JNDI service. |
| 37 | <P> |
| 38 | EmbeddedConnectionPoolDataSource automatically supports the correct JDBC specification version |
| 39 | for the Java Virtual Machine's environment. |
| 40 | <UL> |
| 41 | <LI> JDBC 3.0 - Java 2 - JDK 1.4, J2SE 5.0 |
| 42 | <LI> JDBC 2.0 - Java 2 - JDK 1.2,1.3 |
| 43 | </UL> |
| 44 | |
| 45 | <P>EmbeddedConnectionPoolDataSource is serializable and referenceable. |
| 46 | |
| 47 | <P>See EmbeddedDataSource for DataSource properties. |
| 48 | |
| 49 | */ |
| 50 | public class EmbeddedConnectionPoolDataSource extends EmbeddedDataSource |
| 51 | implements javax.sql.ConnectionPoolDataSource |
| 52 | { |
| 53 | |
| 54 | private static final long serialVersionUID = 7852784308039674160L; |
| 55 | |
| 56 | /** |
| 57 | No-arg constructor. |
| 58 | */ |
| 59 | public EmbeddedConnectionPoolDataSource() { |
| 60 | super(); |
| 61 | } |
| 62 | |
| 63 | /* |
| 64 | * ConnectionPoolDataSource methods |
| 65 | */ |
| 66 | |
| 67 | /** |
| 68 | Attempt to establish a database connection. |
| 69 | |
| 70 | @return a Connection to the database |
| 71 | |
| 72 | @exception SQLException if a database-access error occurs. |
| 73 | */ |
| 74 | public final PooledConnection getPooledConnection() throws SQLException { |
| 75 | return createPooledConnection (getUser(), getPassword(), false); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | Attempt to establish a database connection. |
| 80 | |
| 81 | @param username the database user on whose behalf the Connection is being made |
| 82 | @param password the user's password |
| 83 | |
| 84 | @return a Connection to the database |
| 85 | |
| 86 | @exception SQLException if a database-access error occurs. |
| 87 | */ |
| 88 | public final PooledConnection getPooledConnection(String username, |
| 89 | String password) |
| 90 | throws SQLException |
| 91 | { |
| 92 | return createPooledConnection (username, password, true); |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * create and returns EmbedPooledConnection. |
| 97 | */ |
| 98 | protected PooledConnection createPooledConnection (String user, |
| 99 | String password, boolean requestPAssword) throws SQLException { |
| 100 | return new EmbedPooledConnection(this, user, password, true); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | |
| 105 | |
| 106 | |
| 107 | |