com.hp.ucmdb.api.persistence

Interface PersistenceService

public interface PersistenceService

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Method Summary

Modifier and Type	Method and Description
void	delete(String key, Collection<String> idsToRemove) Deletes all the values of the given key and ids
void	deleteAll(String key) Deletes all the resources with the given key
PersistenceUnit	get(String key, String id) Returns the value of the resource identified by the key and id
PersistenceFactory	getFactory()
Collection<PersistenceKey>	list(String key) Returns a list of all the keys with the metadata of the values associated with the given key.
Collection<PersistenceKey>	list(String key, long createdSince) Returns a list of all the keys with the metadata of the values associated with the given key that were create at or after the given timestamp.
Map<PersistenceKey,PersistenceUnit>	store(Collection<PersistenceUnit> persistenceUnitsToStore) Stores a key-value resources for the given persistence units.

Method Detail

getFactory

PersistenceFactory getFactory()

Returns:

a factory for creating persistence objects

store

Map<PersistenceKey,PersistenceUnit> store(Collection<PersistenceUnit> persistenceUnitsToStore)

Stores a key-value resources for the given persistence units. The keys are not unique and there might be more than 1 value for it, the resource is uniquely identified by its key and id.

Parameters:

persistenceUnitsToStore - a collection

Returns:

map of keys to values that were stored

list

Collection<PersistenceKey> list(String key)

Returns a list of all the keys with the metadata of the values associated with the given key.

Parameters:

key - the key to lookup with.

Returns:

collection of all the keys with the metadata of the values associated with the given key.

list

Collection<PersistenceKey> list(String key,
                                long createdSince)

Returns a list of all the keys with the metadata of the values associated with the given key that were create at or after the given timestamp.

Parameters:

key - the key to lookup with.

createdSince - the timestamp.

Returns:

a collection of all the keys with the metadata of the values associated with the given key that were create at or after the given timestamp.

get

PersistenceUnit get(String key,
                    String id)

Returns the value of the resource identified by the key and id

Parameters:

key - the stored key

id - the stored id

Returns:

the value of the resource identified by the key and id, returns null if there is no resource identified by the key and id.

deleteAll

void deleteAll(String key)

Deletes all the resources with the given key

Parameters:

key - the key of the resources to delete

delete

void delete(String key,
            Collection<String> idsToRemove)

Deletes all the values of the given key and ids

Parameters:

key - the key of the resources to delete

idsToRemove - the ids of the resources to delete