com.whitestein.lsps.engine.state

Class StateMarshaller

java.lang.Object

com.whitestein.lsps.engine.state.StateMarshaller

public class StateMarshaller
extends java.lang.Object

Saves and restores a model instance state to a byte array.

Author:

rba

Constructor Summary

Constructors

Constructor and Description
StateMarshaller(StateType type) Creates new instance.

Method Summary

Modifier and Type	Method and Description
byte[]	compress(byte[] bytes) Compresses the given data.
byte[]	decompress(byte[] bytes) Returns the state data, decompressed by the selected loader (e.g.
byte[]	marshall(ModelInstance state, boolean format, MarshallerConfig config) Saves a model instance state to a byte array.
byte[]	marshall(ModelInstance state, MarshallerConfig config) Saves a model instance state to a byte array.
byte[]	marshall(ValueContent valueContent, MarshallerConfig config) Saves a value content to a byte array.
ModelInstance	unmarshall(byte[] bytes) Restores a model instance state from a byte array.
SXmlEntity	unmarshallValue(byte[] bytes) Restores a model instance state from a byte array.

Methods inherited from class java.lang.Object

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

Constructor Detail

StateMarshaller

public StateMarshaller(StateType type)

Creates new instance.

Parameters:

type -

Method Detail

marshall

public byte[] marshall(ModelInstance state,
                       boolean format,
                       MarshallerConfig config)
                throws javax.xml.bind.JAXBException,
                       java.io.IOException

Saves a model instance state to a byte array.

Parameters:

state -

format -

config -

Returns:

a process to a byte array

Throws:

javax.xml.bind.JAXBException

java.io.IOException

marshall

public byte[] marshall(ModelInstance state,
                       MarshallerConfig config)
                throws javax.xml.bind.JAXBException,
                       java.io.IOException

Saves a model instance state to a byte array.

Parameters:

state -

config -

Returns:

a process to a byte array

Throws:

javax.xml.bind.JAXBException

java.io.IOException

marshall

public byte[] marshall(ValueContent valueContent,
                       MarshallerConfig config)
                throws javax.xml.bind.JAXBException,
                       java.io.IOException

Saves a value content to a byte array.

Parameters:

valueContent -

config -

Returns:

the byte array

Throws:

javax.xml.bind.JAXBException

java.io.IOException

unmarshall

public ModelInstance unmarshall(byte[] bytes)
                         throws javax.xml.bind.JAXBException,
                                java.io.IOException

Restores a model instance state from a byte array.

Parameters:

bytes -

Returns:

a process

Throws:

javax.xml.bind.JAXBException

java.io.IOException

unmarshallValue

public SXmlEntity unmarshallValue(byte[] bytes)
                           throws javax.xml.bind.JAXBException,
                                  java.io.IOException

Restores a model instance state from a byte array.

Parameters:

bytes -

Returns:

a process

Throws:

javax.xml.bind.JAXBException

java.io.IOException

decompress

public byte[] decompress(byte[] bytes)
                  throws java.io.IOException

Returns the state data, decompressed by the selected loader (e.g. unzipped).

Parameters:

bytes -

Returns:

the data

Throws:

java.io.IOException

compress

public byte[] compress(byte[] bytes)
                throws java.io.IOException

Compresses the given data.

Parameters:

bytes -

Returns:

the compressed data

Throws:

java.io.IOException