factory.go

// 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 memory

import (
	"flag"

	"github.com/spf13/viper"
	"github.com/uber/jaeger-lib/metrics"
	"go.uber.org/zap"

	"github.com/jaegertracing/jaeger/storage/dependencystore"
	"github.com/jaegertracing/jaeger/storage/spanstore"
)

// Factory implements storage.Factory and creates storage components backed by memory store.
type Factory struct {
	options        Options
	metricsFactory metrics.Factory
	logger         *zap.Logger
	store          *Store
}

// NewFactory creates a new Factory.
func NewFactory() *Factory {
	return &Factory{}
}

// AddFlags implements plugin.Configurable
func (f *Factory) AddFlags(flagSet *flag.FlagSet) {
	f.options.AddFlags(flagSet)
}

// InitFromViper implements plugin.Configurable
func (f *Factory) InitFromViper(v *viper.Viper) {
	f.options.InitFromViper(v)
}

// Initialize implements storage.Factory
func (f *Factory) Initialize(metricsFactory metrics.Factory, logger *zap.Logger) error {
	f.metricsFactory, f.logger = metricsFactory, logger
	f.store = WithConfiguration(f.options.Configuration)
	return nil
}

// CreateSpanReader implements storage.Factory
func (f *Factory) CreateSpanReader() (spanstore.Reader, error) {
	return f.store, nil
}

// CreateSpanWriter implements storage.Factory
func (f *Factory) CreateSpanWriter() (spanstore.Writer, error) {
	return f.store, nil
}

// CreateDependencyReader implements storage.Factory
func (f *Factory) CreateDependencyReader() (dependencystore.Reader, error) {
	return f.store, nil
}