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Sample Programs from NeXSTEP 3.3

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\pard\tx740\tx6500\f2\b\i0\ulnone\fs32\fc0\cf0 Enterprise Objects Examples Quick Reference\

\b0\i\fs24 For EOF Release 1.1\

\b\i0\fs32 \
Overview
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\pard\tx380\tx6500\b0\fs24\li440\fc0\cf0 This Quick Reference gives a brief description of each example in /NextDeveloper/Examples/EnterpriseObjects to facilitate your searching for a particular topic as well as the level of difficulty for those of you who are new to EOF. The following examples are available:\

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\i\fs24\fi0\up10 Archiving\
Distributed Enterprise Objects *\
EOController \
FlatFileDataSource\
ManyToMany Relationship\
Mastering Details *\
QueryByExample and Sorting �\
Radio Matrix Association\
SQL Execution\
Unique Key Generation\
Validation *\
 \
 Misc\
 SHL Examples (All these examples require Sybase and the Pubs demo database)\
 DB Scripts to install th ePEOPLE demo databases\
 \
 * New in EOF 1.1\
 � Significantly enhanced for 1.1\
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\pard\tx60\tx6500\b\i0\fs32\fi-20\li40\fc0\cf0 \
Archiving In A Mixed World (Simple)\

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\pard\tx720\tx6500\fs28\fi-20\li760\fc0\cf0 Archiving a subclass of NSObject
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\pard\tx1120\tx6500\fs24\fi-20\li1120\fc0\cf0 ArchivingNSObject (Owner.m)
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\pard\tx720\tx6500\b\fs28\fi-20\li760\fc0\cf0 Archving a subclass of Object
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\pard\tx1120\tx6500\fs24\fi-20\li1120\fc0\cf0 ArchvingObject (Owner.m)
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\pard\tx720\tx6500\fs28\fi-20\li760\fc0\cf0 	\

\pard\tx60\tx6500\b\fi-20\li40\fc0\cf0 Distributed Enterprise Objects (Advanced)\

\fs36 \

\pard\tx720\tx6500\fs28\fi-20\li760\fc0\cf0 How to use the NSNotification protocol to propagate  basic DB Operations like fetch, update, insert between a server and remote clients.\
The example shows how to send enterprise objects over the wire by following certain conventions. This example supersedes the Distributed Objects example in EOF 1.0 Release.
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\pard\tx1120\tx6500\fs28\fi-20\li1120\fc0\cf0  
\b0\fs24  \

\pard\tx700\tx6500\fs36\fi20\li760\fc0\cf0 	
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\pard\tx20\tx6500\b\fs32\fi-20\li20\fc0\cf0 EOController (Simple)\

\b0 	\

\pard\tx720\tx6500\b\fs28\fi-20\li760\fc0\cf0 How to build a master/detail controller and master/detail tableview in IB\

\pard\tx1120\tx6500\fi-20\li1120\fc0\cf0  
\b0\fs24 See PeopleDemo.nib\

\pard\tx720\tx6500\b\fs28\fi-20\li760\fc0\cf0 Simple validation and sorting\

\pard\tx1120\tx6500\fi-20\li1120\fc0\cf0  
\b0\fs24 See MainController.[hm]
\pard\tx700\tx6500\fs36\fi20\li760\fc0\cf0 	
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\pard\tx960\tx1920\tx2880\tx3840\tx4800\tx5760\tx6720\tx7680\tx8640\tx9600\fs32\fc0\cf0  
\fs36 	\

\b\fs32 FlatFileDataSource (Intermediate)\

\b0 	\

\pard\tx720\tx6500\b\fs28\fi-20\li760\fc0\cf0 How to build a custom data source that reads a table of data from a flat file to generate EO generic records\

\pard\tx1120\tx6500\fi-20\li1120\fc0\cf0  
\b0\fs24 See TableDataSource.[hm]\
\
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\pard\tx20\tx6500\b\fs32\fi-20\li20\fc0\cf0 ManyToMany (Intermediate)\

\pard\tx1120\tx6500\b0\fi-20\li1120\fc0\cf0 	\

\b\fs28 How to perform Insert/Delete on the master and Add/Delete on the detail in a many-to-many relationship\
 
\b0\fs24 See Projects.[hm]\
\

\pard\tx20\tx6500\b\fs32\fi-20\li20\fc0\cf0 MasteringDetails (Advanced)\

\pard\tx1120\tx6500\b0\fi-20\li1120\fc0\cf0 	\

\b\fs28 A generic approach to handle insertion and deletion in detail controllers without writing custom code to assign the keys used to join the records in the database.\

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QueryByExample (Intermediate)\

\pard\tx1120\tx6500\b0\fi-20\li1120\fc0\cf0 	\

\b\fs28 How to connect to an EOController to construct qualifiers built from the UI and execute them\
 
\b0\fs24 See QBE.[hm]\

\b\fs28 How to perform either descending or ascending ordering on any entity and its associated attributes tied to any tableview\
 
\b0\fs24 See SortOrderSetter.[hm]\
\

\pard\tx20\tx6500\b\fs32\fi-20\li20\fc0\cf0 RadioMatrixAssociation (Simple)\

\pard\tx1120\tx6500\b0\fi-20\li1120\fc0\cf0 	\

\b\fs28 How to write a custom association\
 
\b0\fs24 See RadioAssociation.[hm]\

\b\fs28  
\b0\fs24 \
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\pard\tx20\tx6500\b\fs32\fi-20\li20\fc0\cf0 SQLExecutor (Intermediate)\

\pard\tx1120\tx6500\b0\fi-20\li1120\fc0\cf0 	\

\b\fs28 How to evaluate an arbitrary SQL statement for Sybase or Oracle. Also executes stored procedures (Result sets can only be processed for Sybase adaptor).\
 
\b0\fs24 See Evaluator.[hm] and SybaseDelegate.[hm]\
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\pard\tx20\tx6500\b\fs32\fi-20\li20\fc0\cf0 UniqueKey (Intermediate)\

\pard\tx1120\tx6500\b0\fi-20\li1120\fc0\cf0 	\

\b\fs28 How to generate unique keys using custom code and a custom table .\
 
\b0\fs24 See UniqueKey.[hm] and UniqueKey.eomodel. \
 UniqueKey uses a separate table to hold the external entity name and current max reserved integer key.  The UniqueKey objects share a database channel that is sure to be free to allow immediate reservation of a block of keys.\
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\pard\tx20\tx6500\b\fs32\fi-20\li20\fc0\cf0 Validation (Intermediate)\

\pard\tx1120\tx6500\b0\fi-20\li1120\fc0\cf0 	\

\b\fs28 A generic scheme to allow validation logic to be specified in EOs.\
 
\b0\fs24 See KeyValueValidation.[hm] and ValidatingDelegate.[hm] in the Validation subproject\
 \
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\pard\tx20\tx6500\b\fs32\fi-20\li20\fc0\cf0 SystemHouse (SHL) Examples\

\pard\tx1120\tx6500\b0\fi-20\li1120\fc0\cf0 	\

\b\fs28 Access Layer (Simple)\
How to etasblish connection and fetch from the database using either the database level API or the adaptor level API\
 
\b0\fs24 See DatabaseLevel.[hm] and AccessLevel.[hm]\
  \

\b\fs28 Buffering (Simple)\
How the different buffering schemes of EOController work\
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Data Source (Simple)\
How to build a custom data source whose records are stored in memory\
 
\b0\fs24 See DataSource.[hm]\
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\b\fs28\fc1\cf1 Delegation (
\fc0\cf0 Simple)\
Tracing the various delegation methods from EOController, EODatabase, and EOAdaptor\
 
\b0\fs24 See EOFDelegateControllerCategory.[hm], EOFDelegateDatabaseCategory.[hm], and EOFDelegateAdaptorCategory.[hm]\
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\b\fs28 Enterprise Object(Simple)\
How to build custom enterprise objects\
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KeyValueCoding (Simple)\
Illustrate the KeyValueCoding protocol\
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Querying (Intermediate)\
How to build a query and display its results dynamically in a tableview\
 
\b0\fs24 See QueryController.[hm]
\b\fs28 \
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Sorting (Intermediate)\
How to apply ordering based on a list of attributes from an entity or columns in the tableview\
 
\b0\fs24 See SortController.[hm]\
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\pard\tx6500\fc0\cf0  
\i Last updated: February 1995\
 Mai Nguyen
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