Github user alopresto commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1536#discussion_r104275792
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ScanAttribute.java
---
@@ -97,13 +107,23 @@
.addValidator(StandardValidators.createRegexValidator(0, 1,
false))
.defaultValue(null)
.build();
+ public static final PropertyDescriptor
DICTIONARY_ENTRY_METADATA_DEMARCATOR = new PropertyDescriptor.Builder()
+ .name("Dictionary Entry Metadata Demarcator")
+ .description("A single character used to demarcate the
dictionary entry string between dictionary value and metadata.")
+ .required(false)
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
--- End diff --
If this is a single character, this validator should be a
`StringLengthValidator` with a minimum and maximum of 1 character. See [here
for an
example](https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ExecuteProcess.java#L129-L135).
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