Github user vesense commented on a diff in the pull request: https://github.com/apache/storm/pull/1682#discussion_r78509264 --- Diff: external/sql/storm-sql-runtime/src/jvm/org/apache/storm/sql/runtime/ISqlTridentDataSource.java --- @@ -17,14 +17,32 @@ */ package org.apache.storm.sql.runtime; -import org.apache.storm.trident.operation.Function; -import org.apache.storm.trident.spout.IBatchSpout; import org.apache.storm.trident.spout.ITridentDataSource; +import org.apache.storm.trident.state.StateFactory; +import org.apache.storm.trident.state.StateUpdater; /** * A ISqlTridentDataSource specifies how an external data source produces and consumes data. */ public interface ISqlTridentDataSource { + class SqlTridentConsumer { + private StateFactory stateFactory; + private StateUpdater stateUpdater; + + public SqlTridentConsumer(StateFactory stateFactory, StateUpdater stateUpdater) { + this.stateFactory = stateFactory; + this.stateUpdater = stateUpdater; + } + + public StateFactory getStateFactory() { + return stateFactory; + } + + public StateUpdater getStateUpdater() { + return stateUpdater; + } + } + ITridentDataSource getProducer(); --- End diff -- how about add some javadoc for interface methods in `ISqlTridentDataSource` and `DataSource`?
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