github.com/m3db/m3@v1.5.0/src/m3ninx/idx/types.go

// Copyright (c) 2018 Uber Technologies, Inc.
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package idx

import (
	"github.com/m3db/m3/src/m3ninx/doc"
)

// Index is an inverted index.
type Index interface {
	// Insert inserts a document into the index.
	Insert(d doc.Metadata) error

	// Searcher returns a Searcher over a point-in-time view of the index.
	Searcher() (Searcher, error)

	// Close closes the index.
	Close() error
}

// Searcher provides search over a point-in-time view of an index.
type Searcher interface {
	Search(q Query) (doc.MetadataIterator, error)

	Close() error
}