github.com/m3db/m3@v1.5.0/src/cluster/generated/proto/changesetpb/changeset.proto

// Copyright (c) 2016 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

syntax = "proto3";

package changesetpb;

// ChangeSetState tracks the stateof a changeset
enum ChangeSetState {
	UNKNOWN = 0;
	OPEN = 1; 		// accepting new changes
	CLOSED = 2;		// commit in progress, new changes rejected
}

// A ChangeSet is a set of changes that are applied together.  The exact
// format of the changes is up to the application; the ChangeSet simply
// tracks the state of application
message ChangeSet {
	// for_version is the version of configuration on which this ChangeSet is built
	int32 for_version = 1;

	// state is the state of the ChangeSet
	ChangeSetState state = 2;

	// changes are the marshalled form of the changes
	bytes changes = 3;
}