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https://issues.apache.org/jira/browse/GRIFFIN-232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksandr Borgatin updated GRIFFIN-232:
---------------------------------------
Description:
I propose add second type of predicate after "file.exist" - "custom". JSON
example for creation "custom" predicate
{code:java}
{
"type": "custom",
"config": {
"class":
"org.apache.griffin.core.job.FileExistPredicator",
"root.path": "/path/to/",
"path": "file.ext,file2.txt"
}
}
{code}
Proposed contract for implementations is based on FileExistPredicator:
* class must implement interface *org.apache.griffin.core.job.Predicator*
* class must have constructor with argument of type
*org.apache.griffin.core.job.entity.SegmentPredicate*
was:
I propose
# add property predicates to application.properties
{code:java}
predicates={'file.exist':'org.apache.griffin.core.job.FileExistPredicator'}{code}
# change PredicatorFactory for reading values from property predicates,
loading class and creating instance of Predicate
> Implement pluggable Predicators in PredicatorFactory
> ----------------------------------------------------
>
> Key: GRIFFIN-232
> URL: https://issues.apache.org/jira/browse/GRIFFIN-232
> Project: Griffin (Incubating)
> Issue Type: Improvement
> Reporter: Aleksandr Borgatin
> Priority: Minor
>
> I propose add second type of predicate after "file.exist" - "custom". JSON
> example for creation "custom" predicate
> {code:java}
> {
> "type": "custom",
> "config": {
> "class":
> "org.apache.griffin.core.job.FileExistPredicator",
> "root.path": "/path/to/",
> "path": "file.ext,file2.txt"
> }
> }
> {code}
> Proposed contract for implementations is based on FileExistPredicator:
> * class must implement interface *org.apache.griffin.core.job.Predicator*
> * class must have constructor with argument of type
> *org.apache.griffin.core.job.entity.SegmentPredicate*
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