Github user joewitt commented on a diff in the pull request: https://github.com/apache/nifi/pull/980#discussion_r78673963 --- Diff: nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/TailFile.java --- @@ -117,31 +173,78 @@ .allowableValues(LOCATION_LOCAL, LOCATION_REMOTE) .defaultValue(LOCATION_LOCAL.getValue()) .build(); + static final PropertyDescriptor START_POSITION = new PropertyDescriptor.Builder() .name("Initial Start Position") - .description("When the Processor first begins to tail data, this property specifies where the Processor should begin reading data. Once data has been ingested from the file, " + .description("When the Processor first begins to tail data, this property specifies where the Processor should begin reading data. Once data has been ingested from a file, " + "the Processor will continue from the last point from which it has received data.") .allowableValues(START_BEGINNING_OF_TIME, START_CURRENT_FILE, START_CURRENT_TIME) .defaultValue(START_CURRENT_FILE.getValue()) .required(true) .build(); + static final PropertyDescriptor RECURSIVE = new PropertyDescriptor.Builder() + .name("tailfile-recursive-lookup") + .displayName("Recursive lookup") + .description("When using Multiple files mode, this property defines if files must be listed recursively or not" + + " in the base directory.") + .allowableValues("true", "false") + .defaultValue("true") + .required(true) + .build(); + + static final PropertyDescriptor ROLLING_STRATEGY = new PropertyDescriptor.Builder() + .name("tailfile-rolling-strategy") + .displayName("Rolling Strategy") + .description("Specifies if the files to tail have a fixed name or not.") + .required(true) + .allowableValues(FIXED_NAME, CHANGING_NAME) + .defaultValue(FIXED_NAME.getValue()) + .build(); + + static final PropertyDescriptor LOOKUP_FREQUENCY = new PropertyDescriptor.Builder() + .name("tailfile-lookup-frequency") + .displayName("Lookup frequency") + .description("Only used in Multiple files mode and Changing name rolling strategy, it specifies the minimum " + + "duration the processor will wait before listing again the files to tail.") + .required(false) + .addValidator(StandardValidators.TIME_PERIOD_VALIDATOR) + .defaultValue("10 minutes") --- End diff -- some finite value you think is reasonable is great. 10 mins sounds good.
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