net.walend.lyophil
Interface TypableKeyDigger

All Superinterfaces:

Digger

All Known Implementing Classes:

JDBCTypableKeyDigger, MemTypableKeyDigger

public interface TypableKeyDigger

extends Digger

This optional interface returns classes by typable key.

Since:

20010405

Author:

David Walend

Field Summary

static java.lang.String

ROLE

Method Summary

boolean	containsTypableKey(java.lang.String key) Returns true if the typable key is in use already.
HasTypableKey	findByTypableKey(java.lang.String key) Returns the Freezable that has the typable key
java.io.Serializable	findIDForTypableKey(java.lang.String key) Returns the id of the Freezable that has the typable key

Field Detail

ROLE

public static final java.lang.String ROLE

Method Detail

findByTypableKey

public HasTypableKey findByTypableKey(java.lang.String key)
                               throws NotInFreezerException

Returns the Freezable that has the typable key

Throws:

PersistenceFailureException

NotInFreezerException

containsTypableKey

public boolean containsTypableKey(java.lang.String key)

Returns true if the typable key is in use already.

Throws:

PersistenceFailureException

findIDForTypableKey

public java.io.Serializable findIDForTypableKey(java.lang.String key)
                                         throws NotInFreezerException

Returns the id of the Freezable that has the typable key

Throws:

PersistenceFailureException

NotInFreezerException