Mark Payne created NIFI-12773:
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Summary: Add 'join' and 'anchored' RecordPath functions
Key: NIFI-12773
URL: https://issues.apache.org/jira/browse/NIFI-12773
Project: Apache NiFi
Issue Type: Improvement
Components: Core Framework
Reporter: Mark Payne
Assignee: Mark Payne
Fix For: 2.0.0
I've come across two functions that would make flow design much simpler in
RecordPath.
The first one, 'join' would be similar to the 'concat' method but provides a
delimiter between each element instead of just smashing the values together.
The other provides the ability to anchor the context node while evaluating a
RecordPath. For example, given the following record:
{code:java}
{
"id": "1234",
"elements": [{
"name": "book",
"color": "red"
}, {
"name": "computer",
"color": "black"
}]
} {code}
We should be able to use:
{code:java}
anchored(/elements, concat(/name, ': ', /color)) {code}
In order to obtain an array of 2 elements:
{code:java}
book: red {code}
and
{code:java}
computer: black {code}
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