Chapter 19: Deltapacket Interface (Flash Professional Only) - MACROMEDIA FLASH 8-COMPONENTS LANGUAGE Reference

CHAPTER 19
DeltaPacket interface (Flash
Professional only)
ActionScript Interface Name
The DeltaPacket interface is provided by the
component, which is part of the data management functionality in Flash MX Professional
2004. (For more information, see Chapter 16, "Data Integration (Flash Professional Only),"
in Using Flash). Typically the delta packet is used internally by resolver components.The
DeltaPacket interface and the related Delta interface and DeltaItem class let you manage
changes made to the data. These components have no visual appearance at runtime.
A delta packet is an optimized set of instructions that describe all changes that have been
made to the data in a data set. When the
DataSet component populates the
connected (by data binding) to a resolver component such as RDBMSResolver. The resolver
converts the delta packet into an update packet in the appropriate format.
Unless you are writing your own custom resolver, it is unlikely you will ever need to know
about or write code that accesses methods or properties of a
A delta packet contains one or more deltas (see
on page 469), and each delta contains zero or more delta items (see
Professional only)" on page
mx.data.components.datasetclasses.DeltaPacket
deltaPacket
DataSet.applyUpdates()
DataSet.deltaPacket
"Delta interface (Flash Professional only)"
463).
property of the DataSet
method is called, the
property. Typically, this property is
.
delta packet
"DeltaItem class (Flash
19
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