com.caucho.amber.entity

Class AmberEntityHome

java.lang.Object

com.caucho.amber.entity.AmberEntityHome

All Implemented Interfaces:

java.lang.Comparable

public class AmberEntityHome
extends java.lang.Object
implements java.lang.Comparable

Manages the set of persistent beans.

Constructor Summary

Constructors

Constructor and Description
AmberEntityHome(AmberPersistenceUnit manager, EntityType type)

Method Summary

Modifier and Type	Method and Description
void	addUpdate(CacheUpdate update) Adds a cache update.
int	compareTo(java.lang.Object b)
void	delete(AmberConnection aConn, long primaryKey) Deletes by the primary key.
void	delete(AmberConnection aConn, java.lang.Object key) Deletes by the primary key.
EntityItem	findDiscriminatorEntityItem(AmberConnection aConn, java.lang.Object key, java.lang.String discriminator) Loads an entity where the type is determined by a discriminator
EntityItem	findEntityItem(AmberConnection aConn, java.lang.Object key)
EntityItem	findItem(AmberConnection aConn, java.sql.ResultSet rs, int index) Finds by the primary key.
long	getCacheTimeout() Returns the cache timeout.
java.lang.reflect.Method	getCauchoGetBeanMethod() Returns the getBean method to instantiate the Amber object.
EntityFactory	getEntityFactory() Returns the entity factory.
EntityType	getEntityType() Returns the entity type
java.lang.Class	getInstanceClass() Returns the instance class.
java.lang.Class	getJavaClass() Returns the java class.
java.lang.Object	getKeyFromEntity(Entity entity) Returns the entity from the key.
AmberPersistenceUnit	getManager() Returns the manager.
EntityType	getRootType() Returns the entity type
void	init() Initialize the home.
java.lang.Object	loadFull(AmberConnection aConn, java.sql.ResultSet rs, int index) Finds by the primary key.
java.lang.Object	loadLazy(AmberConnection aConn, java.sql.ResultSet rs, int index) Finds by the primary key.
Entity	makePersistent(Entity entity, AmberConnection aConn, boolean isLazy) Finds by the primary key.
Entity	newDiscriminatorEntity(java.lang.Object key, java.lang.String discriminator) Loads an entity where the type is determined by a discriminator
Entity	newEntity(java.lang.Object key) Instantiates a new entity for this home.
void	save(AmberConnection aConn, Entity entity) Saves based on the object.
void	setEntityFactory(EntityFactory factory) Sets the entity factory.
EntityItem	setEntityItem(java.lang.Object key, EntityItem item) Loads an entity based on the primary key.
java.lang.Object	toObjectKey(long key) Converts a long key to the key.
java.lang.String	toString()
void	update(Entity entity) Update for a modification.

Methods inherited from class java.lang.Object

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

Constructor Detail

AmberEntityHome

public AmberEntityHome(AmberPersistenceUnit manager,
                       EntityType type)

Method Detail

getCauchoGetBeanMethod

public java.lang.reflect.Method getCauchoGetBeanMethod()

Returns the getBean method to instantiate the Amber object.

getManager

public AmberPersistenceUnit getManager()

Returns the manager.

getEntityType

public EntityType getEntityType()

Returns the entity type

getRootType

public EntityType getRootType()

Returns the entity type

getJavaClass

public java.lang.Class getJavaClass()

Returns the java class.

getEntityFactory

public EntityFactory getEntityFactory()

Returns the entity factory.

setEntityFactory

public void setEntityFactory(EntityFactory factory)

Sets the entity factory.

getCacheTimeout

public long getCacheTimeout()

Returns the cache timeout.

getInstanceClass

public java.lang.Class getInstanceClass()

Returns the instance class.

init

public void init()
          throws ConfigException

Initialize the home.

Throws:

ConfigException

getKeyFromEntity

public java.lang.Object getKeyFromEntity(Entity entity)
                                  throws AmberException

Returns the entity from the key.

Throws:

AmberException

toObjectKey

public java.lang.Object toObjectKey(long key)

Converts a long key to the key.

findItem

public EntityItem findItem(AmberConnection aConn,
                           java.sql.ResultSet rs,
                           int index)
                    throws java.sql.SQLException

Finds by the primary key.

Throws:

java.sql.SQLException

loadFull

public java.lang.Object loadFull(AmberConnection aConn,
                                 java.sql.ResultSet rs,
                                 int index)
                          throws java.sql.SQLException

Finds by the primary key.

Throws:

java.sql.SQLException

loadLazy

public java.lang.Object loadLazy(AmberConnection aConn,
                                 java.sql.ResultSet rs,
                                 int index)
                          throws java.sql.SQLException

Finds by the primary key.

Throws:

java.sql.SQLException

findEntityItem

public EntityItem findEntityItem(AmberConnection aConn,
                                 java.lang.Object key)
                          throws AmberException

Throws:

AmberException

setEntityItem

public EntityItem setEntityItem(java.lang.Object key,
                                EntityItem item)
                         throws AmberException

Loads an entity based on the primary key.

Parameters:

key - the primary key

aConn - the Amber connection to associate with the loaded item

isLoad - if true, try to load the bean

Throws:

AmberException

findDiscriminatorEntityItem

public EntityItem findDiscriminatorEntityItem(AmberConnection aConn,
                                              java.lang.Object key,
                                              java.lang.String discriminator)
                                       throws java.sql.SQLException

Loads an entity where the type is determined by a discriminator

Parameters:

aConn - the connection to associate with the entity

key - the primary key

discriminator - the object's discriminator

Throws:

java.sql.SQLException

newEntity

public Entity newEntity(java.lang.Object key)

Instantiates a new entity for this home.

newDiscriminatorEntity

public Entity newDiscriminatorEntity(java.lang.Object key,
                                     java.lang.String discriminator)

Loads an entity where the type is determined by a discriminator

Parameters:

aConn - the connection to associate with the entity

key - the primary key

discriminator - the object's discriminator

makePersistent

public Entity makePersistent(Entity entity,
                             AmberConnection aConn,
                             boolean isLazy)
                      throws java.sql.SQLException

Finds by the primary key.

Throws:

java.sql.SQLException

save

public void save(AmberConnection aConn,
                 Entity entity)
          throws java.sql.SQLException

Saves based on the object.

Throws:

java.sql.SQLException

delete

public void delete(AmberConnection aConn,
                   java.lang.Object key)
            throws java.sql.SQLException

Deletes by the primary key.

Throws:

java.sql.SQLException

delete

public void delete(AmberConnection aConn,
                   long primaryKey)
            throws java.sql.SQLException

Deletes by the primary key.

Throws:

java.sql.SQLException

update

public void update(Entity entity)
            throws java.sql.SQLException

Update for a modification.

Throws:

java.sql.SQLException

addUpdate

public void addUpdate(CacheUpdate update)

Adds a cache update.

compareTo

public int compareTo(java.lang.Object b)

Specified by:

compareTo in interface java.lang.Comparable

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object