[ https://issues.apache.org/jira/browse/APEXCORE-577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tushar Gosavi updated APEXCORE-577: ----------------------------------- Summary: Plugin support to inspect DAG before launch. (was: Visitor API for DAG) > Plugin support to inspect DAG before launch. > -------------------------------------------- > > Key: APEXCORE-577 > URL: https://issues.apache.org/jira/browse/APEXCORE-577 > Project: Apache Apex Core > Issue Type: Sub-task > Reporter: Tushar Gosavi > Assignee: Tushar Gosavi > Fix For: 3.6.0 > > > Support an Visitor like api for DAG, which could be used to write plugins for > Apex. > change DAG interface to add a visitor > {code} > registerVisitor(DagVisitor visitor) > {code} > The DagVisitor interface > {code} > interface DagVisitor { > boolean startDAG(DAG* dag); > boolean visitOperator(OperatorMeta *ometa) > boolean visitStream(StreamMeta *smeta); > boolean endDAG() > } > {code} > dev thread discussions > https://lists.apache.org/thread.html/1c37e0954cee029c9de537cc35ecb35beebdf49aba17de89bd2ce9ed@%3Cdev.apex.apache.org%3E -- This message was sent by Atlassian JIRA (v6.3.15#6346)