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Java Source Code / Java Documentation » J2EE » Enhydra Application Framework » com.lutris.appserver.server.sql

Source Cross Reference Class Diagram Java Document (Java Doc)

com.lutris.appserver.server.sql .ConnectionAllocator

ConnectionAllocator
public interface ConnectionAllocator (Code)
	Defines the connection allocator. A connection allocator is an integral part of a logical database implementation. It manages a pool of database connections. author: Paul Morgan since: LBS1.8 version: $Revision: 1.1 $

Method Summary
DBConnection	allocate() Allocate a connection either from the managed pool or create a new.
void	drop(DBConnection dbConnection) Used to drop a connection from the pool.
void	dropAllNow() Drop all the connection in the pool immediately.
public int	getActiveCount() Return the number of currently active (allocated) connections.
public String	getDatabaseName()
public int	getMaxCount() Return the maximum number of connections active at one time.
public Date	getMaxCountDate() Return the time when the maximum connection count occured.
public long	getRequestCount() Return the number of database requests made on any of the connection allocated from this managed pool.
void	release(DBConnection dbConnection) Return a connection to the pool.
public void	resetMaxCount() Reset the maximum connection count and date.

Method Detail

allocate
DBConnection allocate() throws java.sql.SQLException(Code)
	Allocate a connection either from the managed pool or create a new. exception: java.sql.SQLException - if a SQL error occures.

drop
void drop(DBConnection dbConnection)(Code)
	Used to drop a connection from the pool. The connection should not be re-allocated Parameters: dbConnection - The connection object to drop.

dropAllNow
void dropAllNow()(Code)
	Drop all the connection in the pool immediately.

getActiveCount
public int getActiveCount()(Code)
	Return the number of currently active (allocated) connections. The number of connections.

getDatabaseName
public String getDatabaseName()(Code)
	database name of current connection

getMaxCount
public int getMaxCount()(Code)
	Return the maximum number of connections active at one time. The number of connections.

getMaxCountDate
public Date getMaxCountDate()(Code)
	Return the time when the maximum connection count occured. The `Date` when the maximum connectioncount occured.

getRequestCount
public long getRequestCount()(Code)
	Return the number of database requests made on any of the connection allocated from this managed pool. Implementations of the connection allocator must provide a mechanism for `DBQuery` and `DBTransaction` objects to count requests. The number of database requests (queries or transactions).

release
void release(DBConnection dbConnection)(Code)
	Return a connection to the pool. If it is of an old generation, close and drop. Parameters: dbConnection - The connection object to return.

resetMaxCount
public void resetMaxCount()(Code)
	Reset the maximum connection count and date.

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