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// Copyright 2016 Google LLC. All Rights Reserved.
//
// 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 extension provides an extension mechanism for Trillian code to access
// fork-specific functionality.
package extension
import (
"github.com/google/trillian/monitoring"
"github.com/google/trillian/quota"
"github.com/google/trillian/storage"
"github.com/google/trillian/util/election2"
)
// Registry defines all extension points available in Trillian.
// Customizations may easily swap the underlying storage systems by providing their own
// implementation.
type Registry struct {
// AdminStorage is the storage implementation to use for persisting tree metadata.
storage.AdminStorage
// LogStorage is the storage implementation to use for persisting logs.
storage.LogStorage
// ElectionFactory provides Election instances for each tree.
ElectionFactory election2.Factory
// QuotaManager provides rate limiting capabilities for Trillian.
QuotaManager quota.Manager
// MetricFactory provides metrics for monitoring.
monitoring.MetricFactory
// SetProcessStatus sets the current process status for diagnostic purposes.
SetProcessStatus func(string)
}
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