org.ow2.orchestra.pvm.internal.wire.descriptor
Class NullDescriptor

java.lang.Object
  org.ow2.orchestra.pvm.internal.util.DefaultObservable
      org.ow2.orchestra.pvm.internal.wire.descriptor.AbstractDescriptor
          org.ow2.orchestra.pvm.internal.wire.descriptor.NullDescriptor

All Implemented Interfaces:

Serializable, Observable, Descriptor

public class NullDescriptor
extends AbstractDescriptor
implements Descriptor

This Descriptor creates a null object.

Author:

Tom Baeyens, Guillaume Porcher (documentation)

See Also:

Descriptor, Serialized Form

Field Summary

Fields inherited from class org.ow2.orchestra.pvm.internal.wire.descriptor.AbstractDescriptor

dbid, dbversion, init, INIT_EAGER, INIT_IMMEDIATE, INIT_LAZY, INIT_REQUIRED, name, version

Fields inherited from class org.ow2.orchestra.pvm.internal.util.DefaultObservable

listeners

Fields inherited from interface org.ow2.orchestra.pvm.internal.wire.Descriptor

EVENT_CONSTRUCTED, EVENT_CONSTRUCTING, EVENT_INITIALIZING, EVENT_REMOVE, EVENT_SET

Constructor Summary

NullDescriptor()

Method Summary

Object

construct(WireContext factory) constructs the object.

Methods inherited from class org.ow2.orchestra.pvm.internal.wire.descriptor.AbstractDescriptor

getDbid, getName, getType, initialize, isDelayable, isEagerInit, setInit, setName

Methods inherited from class org.ow2.orchestra.pvm.internal.util.DefaultObservable

addListener, addListener, addListener, fire, fire, getListeners, removeListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.ow2.orchestra.pvm.internal.wire.Descriptor

getName, getType, initialize, isDelayable, isEagerInit

Methods inherited from interface org.ow2.orchestra.pvm.internal.util.Observable

addListener, addListener, addListener, fire, fire, removeListener

Constructor Detail

NullDescriptor

public NullDescriptor()

Method Detail

construct

public Object construct(WireContext factory)

Description copied from interface: Descriptor

constructs the object.

Specified by:

construct in interface Descriptor

Parameters:

factory - WireContext in which the object is created. This is also the WireContext where the object will search for other object that may be needed during the initialization phase.

Returns:

the constructed object.