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| − | * | + | * Provide extension points that intercept internal EcliseLink operations instead of the current options of responding to operations through events. |
| − | * | + | * Choose interception points that provide the best leverage. |
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= Concepts = | = Concepts = | ||
Revision as of 17:21, 21 February 2008
Design Specification: Interceptors
Document History
| Date | Author | Version Description & Notes |
|---|---|---|
| 2008-02-21 | Gordon Yorke | Working Draft |
Project overview
This feature will introduce Interceptor interfaces that can be implemented by users to intercept certain internal EclipseLink component interactions. This will include cache access, query execution, Call execution and others.
Goals:
- Provide extension points that intercept internal EcliseLink operations instead of the current options of responding to operations through events.
- Choose interception points that provide the best leverage.
Concepts
The following concepts are used in the document:
- ORM.XML refers to the JPA specification defined XML configuration file which can be used within a persistence unit through reference in the persistence.xml or through default location (META-INF/orm.xml)
- EclipseLink-ORM.XML (EL-ORM.XML) – EclipseLink’s native metadata XML file which is being defined along with its usage within this project.
Requirements
The following sections will expand the goals of this project into more concrete requirements.
Functionality
Design Constraints
Maintainability
GUI
Config files
Documentation
Open Issues
This section lists the open issues that are still pending that must be decided prior to fully implementing this project's requirements.
| Issue # | Owner | Description / Notes |
|---|---|---|
Decisions
This section lists decisions made. These are intended to document the resolution of open issues or constraints added to the project that are important.
| Issue # | Description / Notes | Decision |
|---|---|---|
Future Considerations
During the research for this project the following items were identified as out of scope but are captured here as potential future enhancements. If agreed upon during the review process these should be logged in the bug system.