# Functions
NewServiceOperationStorage returns a new ServiceOperationStorage.
NewSpanReader returns a new SpanReader with a metrics.
NewSpanWriter creates a new SpanWriter for use.
# Variables
ErrDurationMinGreaterThanMax occurs when duration min is above duration max.
ErrMalformedRequestObject occurs when a request object is nil.
ErrServiceNameNotSet occurs when attempting to query with an empty service name.
ErrStartAndEndTimeNotSet occurs when start time and end time are not set.
ErrStartTimeMinGreaterThanMax occurs when start time min is above start time max.
ErrUnableToFindTraceIDAggregation occurs when an aggregation query for TraceIDs fail.
# Structs
Service is the JSON struct for service:operation documents in ElasticSearch.
ServiceOperationStorage stores service to operation pairs.
Span adds a StartTimeMillis field to the standard JSON span.
SpanReader can query for and load traces from ElasticSearch.
SpanWriter is a wrapper around elastic.Client.