forked from apache/beam
/
scope.go
39 lines (34 loc) · 1.3 KB
/
scope.go
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// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package graph
// Scope is a syntactic Scope, such as arising from a composite Transform. It
// has no semantic meaning at execution time. Used by monitoring.
type Scope struct {
id int
// Label is the human-visible label for this scope.
Label string
// Parent is the parent scope, if nested.
Parent *Scope
}
// ID returns the graph-local identifier for the scope.
func (s *Scope) ID() int {
return s.id
}
func (s *Scope) String() string {
if s.Parent == nil {
return s.Label
}
return s.Parent.String() + "/" + s.Label
}