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writer_options.go
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/
writer_options.go
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// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 spanstore
import (
"github.com/jaegertracing/jaeger/plugin/storage/cassandra/spanstore/dbmodel"
)
// Option is a function that sets some option on the writer.
type Option func(c *Options)
// Options control behavior of the writer.
type Options struct {
tagFilter dbmodel.TagFilter
}
// TagFilter can be provided to filter any tags that should not be indexed.
func TagFilter(tagFilter dbmodel.TagFilter) Option {
return func(o *Options) {
o.tagFilter = tagFilter
}
}
func applyOptions(opts ...Option) Options {
o := Options{}
for _, opt := range opts {
opt(&o)
}
if o.tagFilter == nil {
o.tagFilter = dbmodel.DefaultTagFilter
}
return o
}