[jira] [Created] (SLING-8220) Add 'overwrite' option to Move Pipe

["Stefan Popescu (JIRA)" <ji...@apache.org>]

Stefan Popescu created SLING-8220:
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             Summary: Add 'overwrite' option to Move Pipe
                 Key: SLING-8220
                 URL: https://issues.apache.org/jira/browse/SLING-8220
             Project: Sling
          Issue Type: Improvement
          Components: Extensions
    Affects Versions: Pipes 2.0.2
            Reporter: Stefan Popescu
            Assignee: Nicolas Peltier
             Fix For: Pipes 3.0.2


pipe that executes its subpipes in sequence or in parallel, with no relation ship between them, and returns the union of the outputs, like a or / {{+}} operator (as opposed to actual Container Pipe that chain them together and could be the {{x}} operator)

Considering subpipe1, subpipe2, ...subpipeN, we could 
- execute them in sequence (easy case),
- execute them in parallel (default configuration for performance first, with {{parallel=true}} & {{maxThreads=5}} (on my laptop heavy thread consumes ~10% CPU except at commit time)

one important thing to consider is the PipeBinding object should be duplicated and passed to the subpipe (it's ok to assume container pipe of the executor pipe should not have effects on its bindings). Use case for this is 
{{.echo("/content/mysite").children("some:Page").children("some:Page").name("locale").executor("ref1","ref2","ref3","ref4")}}
should basically call, for each locale, in parallel, "ref1","ref2","ref3" and"ref4", that all have in their bindings path.locale to work with





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