Oracle® Application Server 10g PL/SQL Web Toolkit Reference 10g (9.0.4) Part Number B12098-01 |
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The owa_cache package contains functions and procedures that enable the PL/SQL Gateway cache feature to improve the performance of your PL/SQL web application. This section describes the specification of these functions and procedures.
owa_cache.disable - disables the cache for this particular request.
owa_cache.set_expires - sets up the cache headers for expires model cache type.
owa_cache.set_cache - sets up the cache headers for validation model cache type.
owa_cache.set_not_modified - sets up the headers for a not modified cache hit (used in the Validation technique model only).
owa_cache.get_level - returns the caching level (used in the Validation technique model only).
owa_cache.get_etag - returns the tag associated with the cached content (used in the Validation technique model only).
This disables the cache for this particular request.
Properties | Definitions |
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Parameters: |
None |
Exceptions: |
None |
This sets up the cache headers for expires model cache type.
This sets up the cache headers for validation model cache type.
Properties | Definitions |
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Parameters: |
p_etag IN - the tag associated with this content. p_level IN - the caching level for it. |
Exceptions: |
p_level is not 'USER' or 'SYSTEM'. |
This sets up the headers for a not modified cache hit. It is used in the Validation technique only.
Properties | Definitions |
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Exceptions: |
VALUE_ERROR is thrown if ETag was not passed in. |
This returns the caching level. It is used in the Validation technique model only.
Properties | Definitions |
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Returns: |
The caching level string ('USER' or 'SYSTEM') for cache hit; null otherwise. |
This returns the tag associated with the cached content. It is used in the Validation technique only.
Properties | Definitions |
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Returns: |
The tag for cache hit; null otherwise. |
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