com.netflix.astyanax.entitystore

Class DefaultEntityManager<T,K>

java.lang.Object

com.netflix.astyanax.entitystore.DefaultEntityManager<T,K>

All Implemented Interfaces:

EntityManager<T,K>

public class DefaultEntityManager<T,K>
extends java.lang.Object
implements EntityManager<T,K>

Manager entities in a column famliy with any key type but columns that are encoded as strings.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DefaultEntityManager.Builder<T,K>

Method Summary

Modifier and Type	Method and Description
static <T,K> DefaultEntityManager.Builder<T,K>	builder()
void	commit() Commit the internal batch after multiple operations.
NativeQuery<T,K>	createNativeQuery() Execute a 'native' query using a simple API that adheres to cassandra's native model of rows and columns.
void	createStorage(java.util.Map<java.lang.String,java.lang.Object> options) Create the underlying storage for this entity.
void	delete(java.util.Collection<K> ids) Delete a set of entities by their id
void	delete(K id) delete the whole row by id
void	deleteStorage() Delete the underlying storage for this entity.
java.util.List<T>	find(java.lang.String cql) Execute a CQL query and return the found entites
java.util.List<T>	get(java.util.Collection<K> ids)
T	get(K id) fetch whole row and construct entity object mapping from columns
java.util.List<T>	getAll()
void	put(java.util.Collection<T> entities) Store a set of entities.
void	put(T entity) write entity to cassandra with mapped rowId and columns
void	remove(java.util.Collection<T> entities) Delete a set of entities
void	remove(T entity) remove an entire entity
void	truncate() Truncate all data in the underlying
void	visitAll(com.google.common.base.Function<T,java.lang.Boolean> callback) Visit all entities.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

builder

public static <T,K> DefaultEntityManager.Builder<T,K> builder()

put

public void put(T entity)
         throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

write entity to cassandra with mapped rowId and columns

Specified by:

put in interface EntityManager<T,K>

Parameters:

entity - entity object

Throws:

javax.persistence.PersistenceException

get

public T get(K id)
      throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

fetch whole row and construct entity object mapping from columns

Specified by:

get in interface EntityManager<T,K>

Parameters:

id - row key

Returns:

entity object. null if not exist

Throws:

javax.persistence.PersistenceException

delete

public void delete(K id)
            throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

delete the whole row by id

Specified by:

delete in interface EntityManager<T,K>

Parameters:

id - row key

Throws:

javax.persistence.PersistenceException

remove

public void remove(T entity)
            throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

remove an entire entity

Specified by:

remove in interface EntityManager<T,K>

Throws:

javax.persistence.PersistenceException

getAll

public java.util.List<T> getAll()
                         throws javax.persistence.PersistenceException

Specified by:

getAll in interface EntityManager<T,K>

Returns:

Return all entities.

Throws:

javax.persistence.PersistenceException

get

public java.util.List<T> get(java.util.Collection<K> ids)
                      throws javax.persistence.PersistenceException

Specified by:

get in interface EntityManager<T,K>

Returns:

Get a set of entities

Throws:

javax.persistence.PersistenceException

delete

public void delete(java.util.Collection<K> ids)
            throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

Delete a set of entities by their id

Specified by:

delete in interface EntityManager<T,K>

Throws:

javax.persistence.PersistenceException

remove

public void remove(java.util.Collection<T> entities)
            throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

Delete a set of entities

Specified by:

remove in interface EntityManager<T,K>

Throws:

javax.persistence.PersistenceException

put

public void put(java.util.Collection<T> entities)
         throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

Store a set of entities.

Specified by:

put in interface EntityManager<T,K>

Throws:

javax.persistence.PersistenceException

visitAll

public void visitAll(com.google.common.base.Function<T,java.lang.Boolean> callback)
              throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

Visit all entities.

Specified by:

visitAll in interface EntityManager<T,K>

Parameters:

callback - Callback when an entity is read. Note that the callback may be called from multiple threads.

Throws:

javax.persistence.PersistenceException

find

public java.util.List<T> find(java.lang.String cql)
                       throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

Execute a CQL query and return the found entites

Specified by:

find in interface EntityManager<T,K>

Throws:

javax.persistence.PersistenceException

createStorage

public void createStorage(java.util.Map<java.lang.String,java.lang.Object> options)
                   throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

Create the underlying storage for this entity. This should only be called once when first creating store and not part of the normal startup sequence.

Specified by:

createStorage in interface EntityManager<T,K>

Throws:

javax.persistence.PersistenceException

deleteStorage

public void deleteStorage()
                   throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

Delete the underlying storage for this entity.

Specified by:

deleteStorage in interface EntityManager<T,K>

Throws:

javax.persistence.PersistenceException

truncate

public void truncate()
              throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

Truncate all data in the underlying

Specified by:

truncate in interface EntityManager<T,K>

Throws:

javax.persistence.PersistenceException

commit

public void commit()
            throws javax.persistence.PersistenceException

Description copied from interface: EntityManager

Commit the internal batch after multiple operations. Note that an entity manager implementation may autocommit after each operation.

Specified by:

commit in interface EntityManager<T,K>

Throws:

javax.persistence.PersistenceException

createNativeQuery

public NativeQuery<T,K> createNativeQuery()

Description copied from interface: EntityManager

Execute a 'native' query using a simple API that adheres to cassandra's native model of rows and columns.

Specified by:

createNativeQuery in interface EntityManager<T,K>

Returns: