org.waarp.common.database.model

Class DbModelAbstract

java.lang.Object

org.waarp.common.database.model.DbModelAbstract

All Implemented Interfaces:

DbModel

Direct Known Subclasses:

DbModelH2, DbModelMariadb, DbModelMysql, DbModelOracle, DbModelPostgresql

public abstract class DbModelAbstract
extends Object
implements DbModel

This Abstract class regroups common methods for all implementation classes.

Author:

Frederic Bregier

Constructor Summary

Constructors

Constructor and Description
DbModelAbstract()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	closeInternalConnection(DbSession dbSession) Internal use for closing connection while validating it
int	currentNumberOfPooledConnections()
Connection	getDbConnection(String server, String user, String passwd)
void	releaseResources() Release any internal resources if needed
void	validConnection(DbSession dbSession) Validate connection
protected void	validConnectionSelect(DbSession dbSession)
protected abstract String	validConnectionString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.waarp.common.database.model.DbModel

createTables, getDbType, limitRequest, needUpgradeDb, nextSequence, resetSequence, upgradeDb

Constructor Detail

DbModelAbstract

public DbModelAbstract()

Method Detail

closeInternalConnection

protected void closeInternalConnection(DbSession dbSession)

Internal use for closing connection while validating it

Parameters:

dbSession -

validConnection

public void validConnection(DbSession dbSession)
                     throws WaarpDatabaseNoConnectionException

Description copied from interface: DbModel

Validate connection

Specified by:

validConnection in interface DbModel

Throws:

WaarpDatabaseNoConnectionException

validConnectionSelect

protected void validConnectionSelect(DbSession dbSession)
                              throws WaarpDatabaseNoConnectionException

Throws:

WaarpDatabaseNoConnectionException

validConnectionString

protected abstract String validConnectionString()

Returns:

the associated String to validate the connection (as "select 1 from dual")

getDbConnection

public Connection getDbConnection(String server,
                         String user,
                         String passwd)
                           throws SQLException

Specified by:

getDbConnection in interface DbModel

Returns:

a connection according to the underlying Database Model

Throws:

SQLException

releaseResources

public void releaseResources()

Description copied from interface: DbModel

Release any internal resources if needed

Specified by:

releaseResources in interface DbModel

currentNumberOfPooledConnections

public int currentNumberOfPooledConnections()

Specified by:

currentNumberOfPooledConnections in interface DbModel

Returns:

the number of Pooled Connections if any