Example Uses

To select the right plug-in type for the job is an art, rather than a science. The following table suggests example uses for documented plug-in types.

Table 1-2 Plug-In Example Uses by Type

Plug-In Type	Example Uses
Entry store-fetch	Encoding and decoding entire plug-in entries Auditing or logging each entry as the entry is written to disk
Extended operation	Adding client services that are not available in LDAP v3 such as digital signatures in requests and responses
Internal postoperation	Auditing results of internal operations initiated by another plug-in
Internal preoperation	Preempting internal operations initiated by another plug-in
Matching rule	Offering enhanced sounds-like matching for directory searches
Object	Developing a plug-in that registers a group of other plug-ins with Directory Server
Password check	Forcing new passwords to conform to corporate policy for password syntax
Password storage scheme	Using a custom algorithm for password encryption instead of one of the algorithms supported by the standard product
Postoperation	Associating alerts and alarms sent after particular operations Auditing changes to specific entries Performing cleanup after an operation
Preoperation	Handling custom authentication methods external to the directory Forcing syntax checking for attribute values before adding or modifying an entry Adding attributes to or deleting attributes from a request Preprocessing client request content to translate requests from legacy applications Approving or rejecting the content of a client modification request before processing the request

The list of example uses is by no means exhaustive, but is instead intended to help you brainstorm solutions.

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	Oracle Directory Server Enterprise Edition Developer's Guide 11 g Release 1 (11.1.1.5.0)