er.neo4jadaptor.storage

Interface Store<PassedType extends Ersatz,StoredType extends Ersatz>

Type Parameters:

PassedType - type for description object on inserts

StoredType - type for stored ersatzs

All Known Implementing Classes:

CompositeStore, LuceneStore, NodeStore, RelationshipStore

public interface Store<PassedType extends Ersatz,StoredType extends Ersatz>

Interface for creating, updating, deleting and querying for records of one entity, using ersatz objects for communication.

Author:

Jedrzej Sobanski

Method Summary

Modifier and Type	Method and Description
void	delete(StoredType toDelete) Delete record from the store.
StoredType	insert(PassedType toInsert) Creates a new record in the store.
Ersatz	newPrimaryKey() Generate new primary key.
Cursor<StoredType>	query(EOQualifier q) Query for records matching EO qualifier.
void	update(Ersatz newValues, StoredType toUpdate) Update record with the given values.

Method Detail

insert

StoredType insert(PassedType toInsert)

Creates a new record in the store.

Parameters:

toInsert - inserted object description

Returns:

saved object corresponding to toInsert

update

void update(Ersatz newValues,
            StoredType toUpdate)

Update record with the given values.

Parameters:

newValues - new values, can be partial ersatz

toUpdate - ersatz representing record to be updated

delete

void delete(StoredType toDelete)

Delete record from the store.

Parameters:

toDelete - ersatz representing record to be deleted

newPrimaryKey

Ersatz newPrimaryKey()

Generate new primary key.

Returns:

primary key partial ersatz

query

Cursor<StoredType> query(EOQualifier q)

Query for records matching EO qualifier.

Parameters:

q - qualifier

Returns:

query results