org.jdbi.v3.core.extension

Interface ExtensionFactory

public interface ExtensionFactory

Factory interface used to produce Jdbi extension objects.

Method Summary

Modifier and Type	Method and Description
boolean	accepts(Class<?> extensionType)
<E> E	attach(Class<E> extensionType, HandleSupplier handle)

Method Detail

accepts

boolean accepts(Class<?> extensionType)

Parameters:

extensionType - the extension type

Returns:

whether the factory can produce an extension of the given type

attach

<E> E attach(Class<E> extensionType,
             HandleSupplier handle)

Type Parameters:

E - the extension type

Parameters:

extensionType - the extension type.

handle - Supplies the database handle. This supplier may lazily open a Handle on the first invocation. Extension implementors should take care not to fetch the handle before it is needed, to avoid opening handles unnecessarily.

Returns:

an extension of the given type, attached to the given handle.

Throws:

IllegalArgumentException - if the extension type is not supported by this factory.

See Also:

Jdbi.onDemand(Class)