implementation of the zipkin converter started

src/zatt_converter/zcl_att_conv_zipkin.clas.abap

@@ -0,0 +1,91 @@
+CLASS zcl_att_conv_zipkin DEFINITION
+  PUBLIC
+  FINAL
+  CREATE PUBLIC .
+
+  PUBLIC SECTION.
+
+    INTERFACES zif_att_trace_converter.
+
+  PROTECTED SECTION.
+  PRIVATE SECTION.
+ENDCLASS.
+
+
+
+CLASS zcl_att_conv_zipkin IMPLEMENTATION.
+
+
+
+  METHOD zif_att_trace_converter~convert.
+
+    DATA(trace_id) = trace->get_trace_id( ).
+
+    DATA(zipkin_json) = |[\{| &&
+                           |"id": "dummy",| &&
+                           |"traceId": "{ trace_id }",| &&
+                           |\}]|.
+
+    converted_trace-trace_id = trace_id.
+    converted_trace-json = zipkin_json.
+
+*  [{
+* "id": "11123456",
+* "": "0123456789abcdef",
+* "timestamp": 1608239395286533,
+* "duration": 100000,
+* "name": "span from ABAPTAG1!",
+* "description": "description",
+* "tags": {
+*    "http.method": "GET",
+*    "http.path": "/dummy",
+*    "tag1": "tag1",
+*    "tag2": "tag2"
+*  },
+*  "localEndpoint": {
+*    "serviceName": "shell script"
+*  }
+*},
+*{
+* "id": "111234567",
+* "traceId": "0123456789abcdef",
+* "timestamp": 1608239495287533,
+* "duration": 100000,
+* "name": "span from ABAPTAG2!",
+* "kind": "SERVER",
+* "tags": {
+*    "http.method": "GET",
+*    "http.path": "/dummy",
+*    "tag1": "tag1",
+*    "tag2": "tag2"
+*  },
+*  "localEndpoint": {
+*    "serviceName": "shell script"
+*  }
+*},
+*{
+*    "id": "352bff9a74ca9ad2",
+*    "traceId": "0123456789abcdef",
+*    "parentId": "111234567",
+*    "name": "get /api",
+*    "timestamp": 1556604172355737,
+*    "duration": 1431,
+*    "kind": "SERVER",
+*    "localEndpoint": {
+*      "serviceName": "backend",
+*      "ipv4": "192.168.99.1",
+*      "port": 3306
+*    },
+*    "remoteEndpoint": {
+*      "ipv4": "172.19.0.2",
+*      "port": 58648
+*    },
+*    "tags": {
+*      "http.method": "GET",
+*      "http.path": "/api"
+*    }
+*  }]
+
+  ENDMETHOD.
+
+ENDCLASS.

src/zatt_converter/zcl_att_conv_zipkin.clas.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<abapGit version="v1.0.0" serializer="LCL_OBJECT_CLAS" serializer_version="v1.0.0">
+ <asx:abap xmlns:asx="http://www.sap.com/abapxml" version="1.0">
+  <asx:values>
+   <VSEOCLASS>
+    <CLSNAME>ZCL_ATT_CONV_ZIPKIN</CLSNAME>
+    <LANGU>E</LANGU>
+    <DESCRIPT>att converter zipkin</DESCRIPT>
+    <STATE>1</STATE>
+    <CLSCCINCL>X</CLSCCINCL>
+    <FIXPT>X</FIXPT>
+    <UNICODE>X</UNICODE>
+   </VSEOCLASS>
+  </asx:values>
+ </asx:abap>
+</abapGit>

src/zcl_att_trace_transaction.clas.abap

@@ -4,12 +4,17 @@ CLASS zcl_att_trace_transaction DEFINITION
   CREATE PUBLIC .
 
   PUBLIC SECTION.
+
+    TYPES ty_trace_id TYPE sysuuid_c32.
+
     METHODS constructor.
+    METHODS get_trace_id RETURNING VALUE(trace_id) TYPE ty_trace_id.
+
   PROTECTED SECTION.
   PRIVATE SECTION.
 
     DATA root_span TYPE REF TO zcl_att_span.
-    DATA trace_id TYPE sysuuid_c32.
+    DATA trace_id TYPE ty_trace_id.
 
 ENDCLASS.
 
@@ -29,4 +34,8 @@ CLASS zcl_att_trace_transaction IMPLEMENTATION.
 
   ENDMETHOD.
 
+  METHOD get_trace_id.
+    trace_id = me->trace_id.
+  ENDMETHOD.
+
 ENDCLASS.