Added Log overloads, GetName() method, fixed LogRecord attributes and…

… resources

api/include/opentelemetry/logs/log_record.h

@@ -65,11 +65,6 @@ enum class Severity : uint8_t
   kDefault = kInfo  // default severity is set to kInfo level, similar to what is done in ILogger
 };
 
-/* _nullKV is defined as a private variable that allows "resource" and
-    "attributes" fields to be instantiated using it as the default value */
-static common::KeyValueIterableView<std::map<nostd::string_view, nostd::string_view>> _nullKV =
-    common::KeyValueIterableView<std::map<nostd::string_view, nostd::string_view>>{{}};
-
 /**
  * A default Event object to be passed in log statements,
  * matching the 10 fields of the Log Data Model.
@@ -82,25 +77,28 @@ struct LogRecord
   core::SystemTimestamp timestamp;  // uint64 nanoseconds since Unix epoch
   trace::TraceId trace_id;          // byte sequence
   trace::SpanId span_id;            // byte sequence
-  trace::TraceFlags trace_flag;     // byte
-  Severity severity;  // Severity enum that combines severity_text and severity_number in the
-                      // LogDataModel (can separate in SDK)
+  trace::TraceFlags trace_flags;    // byte
+  Severity severity;  // Severity enum that combines severity_text and severity_number 
 
   // other fields that will not be set by default
   nostd::string_view name;  // string
   nostd::string_view body;  // currently a simple string, but should be changed "Any" type
-  common::KeyValueIterable &resource;    // key/value pair list
-  common::KeyValueIterable &attributes;  // key/value pair list
+  nostd::shared_ptr<common::KeyValueIterable> resource;    // key/value pair list
+  nostd::shared_ptr<common::KeyValueIterable> attributes;  // key/value pair list
 
   /* Default log record if user does not overwrite this.
    * TODO: find better data type to represent the <Any> type for "body"
    * Future enhancement: Potentially add other constructors to take default arguments
    * from the user
    **/
-  LogRecord() : resource(_nullKV), attributes(_nullKV)
+  LogRecord()
   {
-    // TODO: in SDK, assign a default timestamp if not specified
-    name = "";
+    // Assign default values
+    timestamp = core::SystemTimestamp(std::chrono::seconds(0));
+    severity  = Severity::kDefault;
+    trace_id = trace::TraceId();
+    span_id = trace::SpanId();
+    trace_flags = trace::TraceFlags();
   }
 
   /* for ease of use; user can use this function to convert a map into a KeyValueIterable for the