Github user MikeThomsen commented on a diff in the pull request: https://github.com/apache/nifi/pull/2448#discussion_r190665372 --- Diff: nifi-nar-bundles/nifi-mongodb-bundle/nifi-mongodb-processors/src/main/java/org/apache/nifi/processors/mongodb/GetMongo.java --- @@ -51,14 +53,22 @@ import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Collections; +import java.util.HashMap; import java.util.HashSet; import java.util.List; +import java.util.Map; import java.util.Set; @Tags({ "mongodb", "read", "get" }) @InputRequirement(Requirement.INPUT_FORBIDDEN) @CapabilityDescription("Creates FlowFiles from documents in MongoDB") +@WritesAttributes( value = { + @WritesAttribute(attribute = "progress.estimate", description = "The estimated total documents that match the query. Written if estimation is enabled."), + @WritesAttribute(attribute = "progress.segment.start", description = "Where the first part of the segment is in the total result set. Written if estimation is enabled."), + @WritesAttribute(attribute = "progress.segment.end", description = "Where the last part of the segment is in the total result set. Written if estimation is enabled."), + @WritesAttribute(attribute = "progress.index", description = "When results are written one-by-one to flowfiles, this is is set to indicate estimated progress. Written if estimation is enabled.") --- End diff -- Done.
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