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## org.jboss.portal.portlet.impl.state
Class StateConverterV0

    java.lang.Object
      org.jboss.portal.portlet.impl.state.StateConverterV0

All Implemented Interfaces:
  StateConverter

    public class StateConverterV0

extends java.lang.Object
implements StateConverter

An implementation that relies on the `DataInputStream` and `DataOutputStream` to marshall and unmarshall the producer state. The marshalled value starts with a magic value and a version id to ensure future backward compatibility.

It is an important matter because a migrated producer will probably have to take care of consumers that hold a previous version of the producer state.

Version:
  $Revision: 1.1 $
Author:
  Julien Viet

Constructor Summary
`StateConverterV0()`

Method Summary
`byte[]` | `marshall(PortletState state)` Marshall the producer state as a byte array.
`PortletState` | `unmarshall(byte[] marshalledState)` Unmarshall the producer 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

### StateConverterV0

    public StateConverterV0()

Method Detail

### marshall

    public byte[] marshall(PortletState state)
                    throws StateConversionException

  Description copied from interface: `StateConverter`
  Marshall the producer state as a byte array.

  Specified by:
    `marshall` in interface `StateConverter`
  Parameters:
    `state` - the producer state
  Returns:
    the marshalled state
  Throws:
    `StateConversionException` - if marshalling cannot be performed

### unmarshall

    public PortletState unmarshall(byte[] marshalledState)
                            throws StateConversionException

  Description copied from interface: `StateConverter`
  Unmarshall the producer state from a byte array.

  Specified by:
    `unmarshall` in interface `StateConverter`
  Parameters:
    `marshalledState` - the marshalled state
  Returns:
    the producer state
  Throws:
    `StateConversionException` - if unmarshalling cannot be performed

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