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oracle.javatools.db
Class DatabaseFactory.ConnectionCreator

java.lang.Object
oracle.javatools.db.DatabaseFactory.ConnectionCreator

Enclosing class:

DatabaseFactory

public abstract static class DatabaseFactory.ConnectionCreator

extends java.lang.Object

A connection creator should be registered for each connection store that exists. The connection store should be able to create new Connections given the name of a connection.

Field Summary

protected java.util.Map<java.lang.String,Database>

m_dbs

Constructor Summary

DatabaseFactory.ConnectionCreator()

Method Summary

protected void	cacheDatabase(java.lang.String connName, Database db)
protected abstract java.sql.Connection	createConnectionImpl(java.lang.String connName) Creates a Connection from a registered connection store if a connection of given name exists.
Database	findDatabase(java.lang.String connName)
protected abstract java.lang.String	getStoreName()
protected boolean	isActive()
boolean	renameDatabase(java.lang.String oldName, java.lang.String newName)
boolean	shouldClearCaches(java.sql.Connection oldConn, java.sql.Connection newConn, Database db) Called on reconnect to test whether a Database should clear its caches of objects and privileges before using the new conenction.
Database	uncacheDatabase(java.lang.String connName)

Methods inherited from class java.lang.Object

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

Field Detail

m_dbs

protected java.util.Map<java.lang.String,Database> m_dbs

Constructor Detail

DatabaseFactory.ConnectionCreator

public DatabaseFactory.ConnectionCreator()

Method Detail

createConnectionImpl

protected abstract java.sql.Connection createConnectionImpl(java.lang.String connName)
                                                     throws DBException

Creates a Connection from a registered connection store if a connection of given name exists.

Throws:

DBException

isActive

protected boolean isActive()

getStoreName

protected abstract java.lang.String getStoreName()

shouldClearCaches

public boolean shouldClearCaches(java.sql.Connection oldConn,
                                 java.sql.Connection newConn,
                                 Database db)

Called on reconnect to test whether a Database should clear its caches of objects and privileges before using the new conenction.

Parameters:

oldConn - the old connection to compare - this should already be closed.

newConn - the new connection to compare - this should have been created by createConnectionImpl(String) to replace the closed oldConn.

db - the Database that will have its caches cleared.

Returns:

true if the caches should be cleared (which is the default behaviour).

findDatabase

public Database findDatabase(java.lang.String connName)

uncacheDatabase

public Database uncacheDatabase(java.lang.String connName)

cacheDatabase

protected void cacheDatabase(java.lang.String connName,
                             Database db)

renameDatabase

public boolean renameDatabase(java.lang.String oldName,
                              java.lang.String newName)

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