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public interface GroupDbPersister
This interface describes the set of methods that all database persisters for
Group
objects must implement.
A database persister allows an object to be stored (either inserted or updated)
within the database or to be deleted from the database. Persisting methods
are named according to the type of persistence that is performed.
Nested Class Summary | |
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static class |
GroupDbPersister.Default
A utility class that provides quick access to the GroupDbPersister
instance associated with the default instance of the database BbPersistenceManager . |
Field Summary | |
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static java.lang.String |
TYPE
Type used to obtain an instance of the class configured to provide the implementation for this interface. |
Method Summary | |
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void |
deleteById(Id id)
Deletes the Group identified by the given Id
value using a connection from the associated persistence manager's database
container. |
void |
deleteById(Id id,
java.sql.Connection con)
Deletes the Group identified by the given Id
value using the supplied connection. |
void |
persist(Group group)
Inserts or updates the supplied Group using a connection from
the associated persistence manager's database container. |
void |
persist(Group group,
java.sql.Connection con)
Inserts or updates the supplied Group using the supplied
connection. |
Methods inherited from interface blackboard.persist.Persister |
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getAppVersion, init |
Field Detail |
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static final java.lang.String TYPE
BbPersistenceManager.getPersister(String)
Method Detail |
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void persist(Group group) throws ValidationException, PersistenceException
Group
using a connection from
the associated persistence manager's database container. If the object's
id is set and is associated with the same container, then an update is done,
otherwise a new object is inserted.
ValidationException
- if the object is not in a consistent state
to be persisted.
PersistenceException
- if some other exception happens while
persisting the object.void persist(Group group, java.sql.Connection con) throws ValidationException, PersistenceException
Group
using the supplied
connection. The connection must be to the same database as is used by the
associated persistence manager. If the object's id is set and is associated
with this persistence manager's same container, then an update is done,
otherwise a new object is inserted.
ValidationException
- if the object is not in a consistent state
to be persisted.
PersistenceException
- if some other exception happens while
persisting the object.void deleteById(Id id) throws KeyNotFoundException, PersistenceException
Group
identified by the given Id
value using a connection from the associated persistence manager's database
container.
KeyNotFoundException
- if an object with the given Id
value can not be found
PersistenceException
- if some other exception happens during the
delete operationvoid deleteById(Id id, java.sql.Connection con) throws KeyNotFoundException, PersistenceException
Group
identified by the given Id
value using the supplied connection.
KeyNotFoundException
- if an object with the given Id
value can not be found
PersistenceException
- if some other exception happens during the
delete operation
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