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https://issues.apache.org/jira/browse/NIFI-4789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16343999#comment-16343999
]
ASF GitHub Bot commented on NIFI-4789:
--------------------------------------
Github user charlesporter commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2411#discussion_r164559686
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ExtractGrok.java
---
@@ -107,31 +120,70 @@
.build();
public static final PropertyDescriptor CHARACTER_SET = new
PropertyDescriptor.Builder()
- .name("Character Set")
+ .name(CHARACTER_SET_KEY)
.description("The Character Set in which the file is encoded")
.required(true)
.addValidator(StandardValidators.CHARACTER_SET_VALIDATOR)
.defaultValue("UTF-8")
.build();
public static final PropertyDescriptor MAX_BUFFER_SIZE = new
PropertyDescriptor.Builder()
- .name("Maximum Buffer Size")
+ .name(MAXIMUM_BUFFER_SIZE_KEY)
.description("Specifies the maximum amount of data to buffer (per
file) in order to apply the Grok expressions. Files larger than the specified
maximum will not be fully evaluated.")
.required(true)
.addValidator(StandardValidators.DATA_SIZE_VALIDATOR)
.addValidator(StandardValidators.createDataSizeBoundsValidator(0,
Integer.MAX_VALUE))
.defaultValue("1 MB")
.build();
- public static final PropertyDescriptor NAMED_CAPTURES_ONLY = new
PropertyDescriptor.Builder()
- .name("Named captures only")
- .description("Only store named captures from grok")
+ public static final PropertyDescriptor NAMED_CAPTURES_ONLY = new
PropertyDescriptor.Builder()
+ .name(NAMED_CAPTURES_ONLY_KEY)
+ .description("Only store named captures from grokList")
.required(true)
.allowableValues("true", "false")
.addValidator(StandardValidators.BOOLEAN_VALIDATOR)
.defaultValue("false")
.build();
+ public static final PropertyDescriptor BREAK_ON_FIRST_MATCH = new
PropertyDescriptor.Builder()
+ .name(SINGLE_MATCH_KEY)
+ .description("Stop on first matched expression.")
+ .required(true)
+ .allowableValues("true", "false")
+ .addValidator(StandardValidators.BOOLEAN_VALIDATOR)
+ .defaultValue("true")
+ .build();
+
+ public static final PropertyDescriptor RESULT_PREFIX = new
PropertyDescriptor.Builder()
+ .name(RESULT_PREFIX_KEY)
+ .description("Value to prefix attribute results with (avoid
collisions with existing properties)" +
--- End diff --
yep <br>
> Enhance ExtractGrok processor to handle multiple grok expressions
> -----------------------------------------------------------------
>
> Key: NIFI-4789
> URL: https://issues.apache.org/jira/browse/NIFI-4789
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Core Framework
> Affects Versions: 1.2.0, 1.5.0
> Environment: all
> Reporter: Charles Porter
> Priority: Minor
> Labels: features
>
> Many flows require running several grok expressions against an input to
> correctly tag and extract data. using many separate grok processors to
> accomplish this is unwieldy and hard to maintain. Supporting multiple grok
> expressions delimited by comma or user selected delimiter greatly simplifies
> this.
> Feature is coded and tested, ready for pull request, if feature is approved
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