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public interface LinkDbPersister
This interface describes the set of methods that all database persisters for
Link
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 |
LinkDbPersister.Default
A utility class that provides quick access to the LinkDbPersister
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 Link 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 Link identified by the given Id value
using the supplied connection. |
void |
persist(Link link)
Inserts or updates the supplied Link using a connection from
the associated persistence manager's database container. |
void |
persist(Link link,
java.sql.Connection con)
Inserts or updates the supplied Link 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(Link link) throws ValidationException, PersistenceException
Link
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.
link
- the Link
to be persisted
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(Link link, java.sql.Connection con) throws ValidationException, PersistenceException
Link
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.
link
- the Link
to be persistedcon
- the Connection
to use to perform the persistence. If left null, method will use default connection.
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
Link
identified by the given Id
value
using a connection from the associated persistence manager's database
container.
Id
- the Id
of the link to be persisted
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
Link
identified by the given Id
value
using the supplied connection.
id
- the Id
of the Link
to be persistedcon
- the Connection
to use to perform the persistence. If left null, method will use default 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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