equip.data
Class UpdateEvent

java.lang.Object
  equip.runtime.Object
      equip.runtime.ValueBase
          equip.data.Event
              equip.data.UpdateEvent

All Implemented Interfaces:

java.lang.Cloneable

Direct Known Subclasses:

UpdateEventImpl

public abstract class UpdateEvent

extends Event

An event representing the update of a previously added ItemData instance in the dataspace; replaces the previous item value with the new value in the event. Typically generated by calls to DataProxy.updateItem(equip.data.ItemData, boolean, boolean). NOTE: UpdateEvents should not be created by the application for items with Leases; use an AddEvent instead (with the new Lease value in the ItemBinding).

Field Summary

ItemData

item The new item value (with the same id)

Fields inherited from class equip.data.Event

metadata

Constructor Summary

UpdateEvent()
Default no-arg constructor

Method Summary

boolean	_equals_helper(UpdateEvent c) Internal IDL-generated equality test helper
boolean	_matches_helper(UpdateEvent c) Internal IDL-generated match test helper
boolean	equals(java.lang.Object c) Standard IDL-generated equality test.
java.lang.String	getModuleName() IDL-generated helper routine to get module name (currently unimplemented).
abstract void	initFromItem(ItemData item, GUID agentId, boolean local, boolean reliable) Initialisation helper; see EventMetadata for most arguments.
abstract void	initFromItem2(ItemData item, GUID agentId, boolean local, boolean reliable, int priority) Initialisation helper; see EventMetadata for most arguments.
boolean	matches(java.lang.Object c) Standard IDL-generated template match test.
void	readObject(ObjectInputStream in) Internal IDL-generated serialisation helper.
void	writeObject(ObjectOutputStream out) Internal IDL-generated serialisation helper.

Methods inherited from class equip.data.Event

_equals_helper, _matches_helper, initMetadata, initMetadata2

Methods inherited from class equip.runtime.ValueBase

_equals_helper, _matches_helper, clone

Methods inherited from class java.lang.Object

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

Field Detail

item

public ItemData item

The new item value (with the same id)

Constructor Detail

UpdateEvent

public UpdateEvent()

Default no-arg constructor

Method Detail

initFromItem2

public abstract void initFromItem2(ItemData item,
                                   GUID agentId,
                                   boolean local,
                                   boolean reliable,
                                   int priority)

Initialisation helper; see EventMetadata for most arguments. NB only UpdateEvent and MutateEvent encourage unreliable events

initFromItem

public abstract void initFromItem(ItemData item,
                                  GUID agentId,
                                  boolean local,
                                  boolean reliable)

Initialisation helper; see EventMetadata for most arguments. NB only UpdateEvent and MutateEvent encourage unreliable events

getModuleName

public java.lang.String getModuleName()

IDL-generated helper routine to get module name (currently unimplemented).

Overrides:

getModuleName in class Event

Returns:

name of this class's module

equals

public boolean equals(java.lang.Object c)

Standard IDL-generated equality test.

Overrides:

equals in class Event

Parameters:

c - The object to be compared against this.

Returns:

true if this is equal to c

_equals_helper

public boolean _equals_helper(UpdateEvent c)

Internal IDL-generated equality test helper

matches

public boolean matches(java.lang.Object c)

Standard IDL-generated template match test.

Overrides:

matches in class Event

Parameters:

c - The object to be checked against this template.

Returns:

true if this (as a template) matches the argument

_matches_helper

public boolean _matches_helper(UpdateEvent c)

Internal IDL-generated match test helper

writeObject

public void writeObject(ObjectOutputStream out)
                 throws java.io.IOException

Internal IDL-generated serialisation helper. Used by ObjectInputStream and ObjectOutputStream only.

Overrides:

writeObject in class Event

Throws:

java.io.IOException

readObject

public void readObject(ObjectInputStream in)
                throws java.io.IOException,
                       java.lang.ClassNotFoundException,
                       java.lang.InstantiationException

Internal IDL-generated serialisation helper. Used by ObjectInputStream and ObjectOutputStream only.

Overrides:

readObject in class Event

Throws:

java.io.IOException

java.lang.ClassNotFoundException

java.lang.InstantiationException