x/ref/services/syncbase/server/watchable/types.vdl

// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package watchable

// GetOp represents a store get operation.
type GetOp struct {
	Key []byte
}

// ScanOp represents a store scan operation.
type ScanOp struct {
	Start []byte
	Limit []byte
}

// PutOp represents a store put operation.
type PutOp struct {
	Key   []byte
	Value []byte
}

// DeleteOp represents a store delete operation.
type DeleteOp struct {
	Key []byte
}

// Op represents a store operation.
type Op union {
	Get    GetOp
	Scan   ScanOp
	Put    PutOp
	Delete DeleteOp
}

// LogEntry represents a single store operation. This operation may have been
// part of a transaction, as signified by the Continued boolean. Read-only
// operations (and read-only transactions) are not logged.
// TODO(sadovsky): Log commit time and maybe some other things.
type LogEntry struct {
	// The store operation that was performed.
	Op Op

	// If true, this entry is followed by more entries that belong to the same
	// commit as this entry.
	Continued bool
}