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exporters.go
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exporters.go
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// Copyright 2018-2021 CERN
//
// 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.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
package exporters
import (
"github.com/rs/zerolog"
"github.com/cs3org/reva/v2/pkg/mentix/config"
"github.com/cs3org/reva/v2/pkg/mentix/entity"
"github.com/cs3org/reva/v2/pkg/mentix/exchangers"
)
// Collection represents a collection of exporters.
type Collection struct {
Exporters []Exporter
}
var (
registeredExporters = entity.NewRegistry()
)
// Entities returns a vector of entities within the collection.
func (collection *Collection) Entities() []entity.Entity {
return exchangers.AsEntityCollection(collection).Entities()
}
// Exchangers returns a vector of exchangers within the collection.
func (collection *Collection) Exchangers() []exchangers.Exchanger {
exchngrs := make([]exchangers.Exchanger, 0, len(collection.Exporters))
for _, connector := range collection.Exporters {
exchngrs = append(exchngrs, connector)
}
return exchngrs
}
// ActivateAll activates all exporters.
func (collection *Collection) ActivateAll(conf *config.Configuration, log *zerolog.Logger) error {
return entity.ActivateEntities(collection, conf, log)
}
// StartAll starts all exporters.
func (collection *Collection) StartAll() error {
return exchangers.StartExchangers(collection)
}
// StopAll stops all exporters.
func (collection *Collection) StopAll() {
exchangers.StopExchangers(collection)
}
// GetRequestExporters returns all exporters that implement the RequestExchanger interface.
func (collection *Collection) GetRequestExporters() []exchangers.RequestExchanger {
return exchangers.GetRequestExchangers(collection)
}
// AvailableExporters returns a list of all exporters that are enabled in the configuration.
func AvailableExporters(conf *config.Configuration) (*Collection, error) {
// Try to add all exporters configured in the environment
entries, err := registeredExporters.FindEntities(conf.EnabledExporters, true, false)
if err != nil {
return nil, err
}
exporters := make([]Exporter, 0, len(entries))
for _, entry := range entries {
exporters = append(exporters, entry.(Exporter))
}
return &Collection{Exporters: exporters}, nil
}
func registerExporter(exporter Exporter) {
registeredExporters.Register(exporter)
}