org.spicefactory.pimento.io
Class EntitySnapshot

java.lang.Object
  org.spicefactory.pimento.io.TypeSnapshot
      org.spicefactory.pimento.io.EntitySnapshot

All Implemented Interfaces:

Externalizable

public class EntitySnapshot
extends TypeSnapshot

Disassembled snapshot representation of a persistent entity type.

Author:

Jens Halm

Field Summary

Fields inherited from class org.spicefactory.pimento.io.TypeSnapshot

EMPTY, FULL, PARTIAL, propertyValues

Constructor Summary

EntitySnapshot()
Creates a new instance.

EntitySnapshot(Object instance, Entity entity)
Creates a new instance.

Method Summary

boolean	equals(Object other)
Object	getEntityId() Returns the id of the entity.
int	getTransientId() Returns the temporary id in case this snapshot represents a transient entity.
int	getTypeHandle() Returns the type handle of the associated entity.
int	hashCode()
void	readExternal(DataInput input) Restores the content of this object from the DataInput instance.
void	writeExternal(DataOutput output) Saves the content of this object to the DataOutput instance.

Methods inherited from class org.spicefactory.pimento.io.TypeSnapshot

addProperty, addProperty, getPropertyIterator, isEmpty, isPartial, readProperties, writeProperties

Methods inherited from class java.lang.Object

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

Constructor Detail

EntitySnapshot

public EntitySnapshot()

Creates a new instance. The default constructor will only be used by the AMF decoder.

EntitySnapshot

public EntitySnapshot(Object instance,
                      Entity entity)

Creates a new instance.

Parameters:

instance - the instance to create a snapshot for

entity - the metamodel for the entity

Method Detail

getTypeHandle

public int getTypeHandle()

Returns the type handle of the associated entity. A unique id will be assigned for each persistent class in the JPA configuration that was configured to be managed by Pimento.

Returns:

the type handle of the associated entity

getEntityId

public Object getEntityId()

Returns the id of the entity.

Returns:

the id of the entity

getTransientId

public int getTransientId()

Returns the temporary id in case this snapshot represents a transient entity.

Returns:

the temporary id in case this snapshot represents a transient entity

readExternal

public void readExternal(DataInput input)

Description copied from interface: Externalizable

Restores the content of this object from the DataInput instance. Values must be read in the same sequence as they were written on the client side.

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class TypeSnapshot

Parameters:

input - the AMF3 data to read from

writeExternal

public void writeExternal(DataOutput output)

Description copied from interface: Externalizable

Saves the content of this object to the DataOutput instance.

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class TypeSnapshot

Parameters:

output - the output to write to

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Overrides:

equals in class Object