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Transformer SDK For C
8.0.2.290852-a608fcd3
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Transformer SDK For C
8.0.2.290852-a608fcd3
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Type: String
Default: None
Location of the file where the Transformer's cache is save to on shutdown and restored from on startup.
The following expansions can be made:
Type: Floating Point Value
Default: -1.000000
Interval to write the cache file at (seconds)
Type: Integer
Default: 16384
Size of hashtable used for storing all cached objects. The value of this should be roughly twice the total number of objects that you wish to cache.
Type: Function
Default: None
If the Transformer is consuming data from a broadcast feed, it may be useful to remove objects from the database that have not been updated after a certain period of time.
Format:
add-purge <time> <days> <object pattern>
Where <time> is the number of minutes past minute that the purging should happen. <days> is the number of days that should have elapsed since an update occurred. <object pattern> details that objects that this purge should be applied to.
The purging will occur every day at the configure <time>.
Example: Purge at 04:00, all objects under the /I directory that haven't had an an update in 7 days
add-purge 240 7 /I/*
Type: Integer
Default: 10
The maximum number of elements of type 3 data to keep for each record.
Type: Integer
Default: 65536
The size of the type 2 data hashtable. The value of this option should be set to the maximum number of type 2 updates that need to be cached.
Type: Integer
Default: -1
Maximum number of news headlines to cache. The default of -1 means that all news headlines will be cached and none will be removed unless removed by a F_DELETE_HEADLINE message or purged using news-purge-time.
Type: Integer
Default: -1
This represents the number of minutes from midnight that the purge of news headlines (i.e. deletion from the cache) should take place.
The default of -1 indicates that no purge takes place, in which case news-max-headlines will limit the number of cached hearlines.
Type: Floating Point Value
Default: 0.000000
Number of days-worth of headlines to keep when purging.
add-newsconfigThis configuration group allows the days-worth and maximum number of cached headlines to be tuned for a particular news symbol.
Type: String
Default: None
News symbol that this group applies to.
Type: Floating Point Value
Default: 0.000000
Number of days-worth of headlines to keep when purging. The purging will occur at the time specified by the news-purge-time configuration option.
Type: Integer
Default: -1
Maximum number of news headlines to cache. The default of -1 means that all news headlines will be cached and none will be removed unless removed by a F_DELETE_HEADLINE message or purged using news-purge-time.