1 // Copyright The OpenTelemetry Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package trace // import "go.opentelemetry.io/otel/sdk/trace" 16 17 import ( 18 "go.opentelemetry.io/otel/attribute" 19 "go.opentelemetry.io/otel/trace" 20 ) 21 22 // Link is the relationship between two Spans. The relationship can be within 23 // the same Trace or across different Traces. 24 type Link struct { 25 // SpanContext of the linked Span. 26 SpanContext trace.SpanContext 27 28 // Attributes describe the aspects of the link. 29 Attributes []attribute.KeyValue 30 31 // DroppedAttributeCount is the number of attributes that were not 32 // recorded due to configured limits being reached. 33 DroppedAttributeCount int 34 } 35