org.ephman.abra.database
Class JDBCDatabaseSessionPool

java.lang.Object
  |
  +--org.ephman.abra.database.JDBCDatabaseSessionPool

All Implemented Interfaces:

DatabaseSessionPool

public class JDBCDatabaseSessionPool

extends java.lang.Object

implements DatabaseSessionPool

Manage a pool of JDBCDatabaseSessions

Constructor Summary

JDBCDatabaseSessionPool(java.lang.String host, java.lang.String database, java.lang.String user, java.lang.String password, int count)
Create a pool of JDBCSessions.

Method Summary

DatabaseSession	get() Get an available Database session
static JDBCDatabaseSessionPool	getInstance()
static JDBCDatabaseSessionPool	getInstance(java.lang.String host, java.lang.String database, java.lang.String user, java.lang.String password, int count) Retrieve the session pool instance.
void	put(DatabaseSession session) Return a session to the pool

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JDBCDatabaseSessionPool

public JDBCDatabaseSessionPool(java.lang.String host,
                               java.lang.String database,
                               java.lang.String user,
                               java.lang.String password,
                               int count)
                        throws java.sql.SQLException

Create a pool of JDBCSessions.

Parameters:

host - host name for the database server

database - name of the database to which we are connecting

user - user id for database connection

password - password for database connection

count - maximum number of database connections in this pool

Method Detail

getInstance

public static JDBCDatabaseSessionPool getInstance(java.lang.String host,
                                                  java.lang.String database,
                                                  java.lang.String user,
                                                  java.lang.String password,
                                                  int count)
                                           throws java.sql.SQLException

Retrieve the session pool instance.

java.sql.SQLException

getInstance

public static JDBCDatabaseSessionPool getInstance()
                                           throws java.sql.SQLException

java.sql.SQLException

get

public DatabaseSession get()

Get an available Database session

Specified by:

get in interface DatabaseSessionPool

Returns:

database session for use by a thread, null if none are available

put

public void put(DatabaseSession session)
         throws java.lang.Exception

Return a session to the pool

Specified by:

put in interface DatabaseSessionPool

Parameters:

session - session returned to the pool

java.lang.Exception