/
instance.go
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/
instance.go
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// Copyright Istio Authors
//
// Licensed 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 resource contains core abstract types for representing configuration resources.
package resource
import (
"istio.io/istio/pkg/config"
)
// Instance is the abstract representation of a versioned config resource in Istio.
type Instance struct {
Metadata Metadata
Message config.Spec
Origin Origin
}
// IsEmpty returns true if the resource Instance.Message is nil.
func (r *Instance) IsEmpty() bool {
return r.Message == nil
}
// Clone returns a deep-copy of this entry. Warning, this is expensive!
func (r *Instance) Clone() *Instance {
result := &Instance{}
if r.Message != nil {
result.Message = config.DeepCopy(r.Message)
}
result.Metadata = r.Metadata.Clone()
return result
}