Apple Newton Utilities Podręcznik Użytkownika Pobierz pdf (Strona 454)

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CHAPTER 11

Data Storage and Retrieval

11-22 About Data Storage on Newton Devices

The following soup methods and functions are obsolete:

SetupCardSoups() // use RegUnionSoup instead

RegisterCardSoup(soupName,indexArray,

appSymbol,appObject) // useRegUnionSoup instead

UnRegisterCardSoup(soupName)// use UnRegUnionSoup instead

BroadcastSoupChange(soupNameString) // use -xmit methods or

// XmitSoupChange fn instead

UnionSoupIsNull(unionSoup)// no null uSoups from GetUnionSoupAlways

GetUnionSoup(soupNameString)// use GetUnionSoupAlways instead

soup:Add(frame) // use -xmit version instead

soup:AddIndex(indexSpec) // use -xmit version instead

soupOrUSoup:AddTags(tagsToAdd)// use -xmit version instead

unionSoup:AddToDefaultStore(frame)// use -xmit version instead

soup:AddWithUniqueId(frame)// use -xmit version instead

sourceSoup:CopyEntries(destSoup)// use -xmit version instead

soup:RemoveAllEntries() // use -xmit version instead

soup:RemoveFromStore() // use -xmit version instead

soup:RemoveIndex(indexPath) // use -xmit version instead

soupOrUSoup:RemoveTags(tagsToRemove)// use -xmit version instead

soup:SetInfo(slotSymbol) // use -xmit version instead

New Soup Change Notiﬁcation Mechanism 11

Applications no longer modify system data structures directly to register and

unregister with the soup change notiﬁcation mechanism. Instead, they use the

RegSoupChange and UnRegSoupChange global functions provided for

this purpose.

In addition to the new registration and unregistration functions, the soup change

mechanism provides additional information about the nature of the change and

allows applications to register callback functions to be executed whenever a particular

soup changes. Consequently, the global function

BroadcastSoupChange

is obsolete.

For more details, see the section “Using Soup Change Notiﬁcation” beginning on

page 11-63.

Soup Information Frame 11

Soups created from a soup deﬁnition frame carry a default soup information frame

that holds a copy of the soup deﬁnition frame. Soups created by the obsolete global

function

RegisterCardSoup have a default soup information frame that

contains only the slots

applications and itemNames.

Soups created by the obsolete store method

CreateSoup do not contain a default

soup information frame.

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