org.tynamo.services
Interface PersistenceService

public interface PersistenceService

Method Summary

<T> T	getInstance(Class<T> type) A convenience method for getting a singleton instance of specific type
<T> T	getInstance(Class<T> type, Serializable id)
<T> List<T>	getInstances(Class<T> type)
<T> List<T>	getInstances(Class<T> type, int startIndex, int maxResults)
boolean	isTransient(Object data, TynamoClassDescriptor classDescriptor)
<T> T	loadInstance(Class<T> type, Serializable id)
void	remove(Object instance)
void	removeAll(Collection collection)
void	removeCollectionElement(String removeExpression, Object member, Object parent)
<T> T	save(T instance)
<T> T	saveCollectionElement(String addExpression, T member, Object parent)

Method Detail

getInstance

<T> T getInstance(Class<T> type,
                  Serializable id)

loadInstance

<T> T loadInstance(Class<T> type,
                   Serializable id)

getInstances

<T> List<T> getInstances(Class<T> type)

getInstances

<T> List<T> getInstances(Class<T> type,
                         int startIndex,
                         int maxResults)

save

<T> T save(T instance)

Returns:

a List containing all the classes this persistence service knows about

remove

void remove(Object instance)

removeAll

void removeAll(Collection collection)

getInstance

<T> T getInstance(Class<T> type)

A convenience method for getting a singleton instance of specific type

Type Parameters:

T - Specific type of the entity

Parameters:

type - Type of singleton entity you want return

Returns:

Returns the singleton entity of requested type

isTransient

boolean isTransient(Object data,
                    TynamoClassDescriptor classDescriptor)

saveCollectionElement

<T> T saveCollectionElement(String addExpression,
                            T member,
                            Object parent)

removeCollectionElement

void removeCollectionElement(String removeExpression,
                             Object member,
                             Object parent)