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MINIFICPP-695 - NanoFi Examples appear to be broken#462

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arpadboda wants to merge 1 commit intoapache:masterfrom
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MINIFICPP-695 - NanoFi Examples appear to be broken#462
arpadboda wants to merge 1 commit intoapache:masterfrom
arpadboda:MINIFICPP-695

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Thank you for submitting a contribution to Apache NiFi - MiNiFi C++.

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* @return 0 in case of success, -1 otherwise (already existed)
**/
uint8_t add_attribute(flow_file_record*, const char *key, void *value, size_t size);
int8_t add_attribute(flow_file_record*, const char *key, void *value, size_t size);
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These didn't really match implementartion/documentation :)

* @return 0 on success, -1 otherwise (doesn't exist)
**/
uint8_t remove_attribute(flow_file_record*, char *key);
int8_t remove_attribute(flow_file_record*, const char * key);
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This didn't even link as the impl in the cpp file was written for

const char * key

return new_ff;
}

flow_file_record* create_ff_object_na(const char *file, const size_t len, const uint64_t size) {
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This became the "construtor" to avoid duplication of member initializations.

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Important changes:
-Fixed transmit_flowfile example.
-Added API function to create flow file without content (attributes only)
-Fixed transmit API function to handle the lack of content or attributes properly
-Added some null checks to make the API more robust
-Added robustness tests

@asfgit asfgit closed this in 217be55 Jan 2, 2019
nghiaxlee pushed a commit to nghiaxlee/nifi-minifi-cpp that referenced this pull request Jul 8, 2019
This closes apache#462.

Signed-off-by: Marc Parisi <phrocker@apache.org>
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