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Class bank.storage.JdbcSessionManager 

java.lang.Object
   |
   +----bank.storage.JdbcSessionManager
public class JdbcSessionManager
extends Object
bank.storage.JdbcSession を効率よく管理するためのマネージャクラス 一般にRDBに対する接続の確立はコストがかかるために、JdbcSessionの インスタンスをプールし、不必要な接続の確立、切断が発生しないようにしている デフォルトのセッション数は 5 #pattern: Wrapper

Variable Index

o dbLocation
o driverKind
o isAutoCommit
o isSessionCreated
o maxSessionIndex
o sessionCount
o sessions

Constructor Index

o JdbcSessionManager()
o JdbcSessionManager(int)
o JdbcSessionManager(int, String, String)
o JdbcSessionManager(String, String)

Method Index

o beAutoCommit(boolean)
o createSessions()
o createSessions(String, String)
o endSessions()
o finalize()
o getSession()
o setDbLocation(String)
o setDriverKind(String)
o startSessions(String, String)

Variables

o sessions 
 protected Vector sessions
o sessionCount 
 protected int sessionCount
o maxSessionIndex 
 protected int maxSessionIndex
o isSessionCreated 
 protected boolean isSessionCreated
o dbLocation 
 protected String dbLocation
o driverKind 
 protected String driverKind
o isAutoCommit 
 protected boolean isAutoCommit

Constructors

o JdbcSessionManager 
 public JdbcSessionManager()
o JdbcSessionManager 
 public JdbcSessionManager(int numberOfSessions)
Parameters:
numberOfSessions - int
o JdbcSessionManager 
 public JdbcSessionManager(int numberOfSessions,
                           String driverKind,
                           String dbLocation)
Parameters:
numberOfSessions - int
o JdbcSessionManager 
 public JdbcSessionManager(String driverKind,
                           String dbLocation)

Methods

o beAutoCommit 
 public void beAutoCommit(boolean trueOrNot)
Parameters:
tureOrNot - boolean
o createSessions 
 public void createSessions()
o createSessions 
 public void createSessions(String driverKind,
                            String dbLocation)
o endSessions 
 public void endSessions()
o finalize 
 protected void finalize() throws Throwable
Overrides:
finalize in class Object
o getSession 
 public JdbcSession getSession()
Returns:
RdbSession
o setDbLocation 
 public void setDbLocation(String dbLocation)
Parameters:
dbLocation - java.lang.String
o setDriverKind 
 public void setDriverKind(String driverKind)
o startSessions 
 public void startSessions(String username,
                           String passwd) throws SQLException

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