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 baggage // import "go.opentelemetry.io/otel/baggage" 16 17 import ( 18 "context" 19 20 "go.opentelemetry.io/otel/internal/baggage" 21 ) 22 23 // ContextWithBaggage returns a copy of parent with baggage. 24 func ContextWithBaggage(parent context.Context, b Baggage) context.Context { 25 // Delegate so any hooks for the OpenTracing bridge are handled. 26 return baggage.ContextWithList(parent, b.list) 27 } 28 29 // ContextWithoutBaggage returns a copy of parent with no baggage. 30 func ContextWithoutBaggage(parent context.Context) context.Context { 31 // Delegate so any hooks for the OpenTracing bridge are handled. 32 return baggage.ContextWithList(parent, nil) 33 } 34 35 // FromContext returns the baggage contained in ctx. 36 func FromContext(ctx context.Context) Baggage { 37 // Delegate so any hooks for the OpenTracing bridge are handled. 38 return Baggage{list: baggage.ListFromContext(ctx)} 39 } 40