Github user mbalassi commented on a diff in the pull request: https://github.com/apache/flink/pull/742#discussion_r31460503 --- Diff: flink-staging/flink-streaming/flink-streaming-core/src/main/java/org/apache/flink/streaming/api/functions/source/SourceFunction.java --- @@ -19,66 +19,81 @@ package org.apache.flink.streaming.api.functions.source; import org.apache.flink.api.common.functions.Function; +import org.apache.flink.util.Collector; import java.io.Serializable; /** * Base interface for all stream data sources in Flink. The contract of a stream source - * is similar to an iterator - it is consumed as in the following pseudo code: --- End diff -- Maybe streaming data sources, instead of stream data sources. Not to confuse with file streams are intermediate results.
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