oracle.javatools.db
Class DBObjectProviderFactory.Creator

java.lang.Object
  oracle.javatools.db.DBObjectProviderFactory.Creator

Direct Known Subclasses:

DatabaseFactory

Enclosing class:

DBObjectProviderFactory

public abstract static class DBObjectProviderFactory.Creator
extends java.lang.Object

Factory creator class used to create provider instances when there isn't one already in the cache.

Constructor Summary

DBObjectProviderFactory.Creator()

Method Summary

protected abstract DBObjectProvider	createProviderImpl(java.lang.Object identifier) If this factory can, it creates a provider implementation from the given identifier.
protected DBObjectProvider	findProvider(java.lang.Object identifier)
protected void	fireProviderDeleted(java.lang.Object identifier, DBObjectProvider pro)
protected abstract java.lang.Object	getIdentifier(DBObjectProvider provider) Returns an identifier for the given provider that is used when notifying listeners of provider events.
protected DBObjectProvider	uncacheProvider(java.lang.Object identifier)

Methods inherited from class java.lang.Object

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

Constructor Detail

DBObjectProviderFactory.Creator

public DBObjectProviderFactory.Creator()

Method Detail

createProviderImpl

protected abstract DBObjectProvider createProviderImpl(java.lang.Object identifier)
                                                throws DBException

If this factory can, it creates a provider implementation from the given identifier. If the identifier isn't appropriate to this factory null is returned. If the identifier is appropriate, but an error is encountered a DBException is thrown.

Throws:

DBException

getIdentifier

protected abstract java.lang.Object getIdentifier(DBObjectProvider provider)

Returns an identifier for the given provider that is used when notifying listeners of provider events. This is also the expected identifier used in findProvider(java.lang.Object) etc.

Returns:

null if the provider isn't associated with this Creator implementation.

uncacheProvider

protected DBObjectProvider uncacheProvider(java.lang.Object identifier)

findProvider

protected DBObjectProvider findProvider(java.lang.Object identifier)

fireProviderDeleted

protected final void fireProviderDeleted(java.lang.Object identifier,
                                         DBObjectProvider pro)