Class Change<P>

Change represents a unit of modification in the document.

Type Parameters

P extends Indexable

Index

Constructors

Properties

id message? operations presenceChange?

Methods

execute getID getMessage getOperations getPresenceChange hasOperations hasPresenceChange setActor toStruct toTestString create fromStruct

Constructors

constructor

new Change<P>(__namedParameters): Change<P>
Type Parameters
- P extends Indexable
Parameters
- __namedParameters: {
      id: ChangeID;
      message?: string;
      operations?: Operation[];
      presenceChange?: PresenceChange<P>;
  }
  - id: ChangeID
  - Optional message?: string
  - Optional operations?: Operation[]
  - Optional presenceChange?: PresenceChange<P>
Returns Change<P>
- Defined in document/change/change.ts:63

Properties

`Private` id

id: ChangeID

`Private` `Optional` message

message?: string

`Private` operations

operations: Operation[]

`Private` `Optional` presenceChange

presenceChange?: PresenceChange<P>

Methods

execute

execute(root, presences, source): {
opInfos: OperationInfo[];
reverseOps: HistoryOperation<P>[];
}
execute executes the operations of this change to the given root.
Parameters
- root: CRDTRoot
- presences: Map<string, P>
- source: OpSource
Returns {
opInfos: OperationInfo[];
reverseOps: HistoryOperation<P>[];
}
- opInfos: OperationInfo[]
- reverseOps: HistoryOperation<P>[]
- Defined in document/change/change.ts:153

getID

getID(): ChangeID
getID returns the ID of this change.

Returns ChangeID
- Defined in document/change/change.ts:100

getMessage

getMessage(): undefined | string
getMessage returns the message of this change.

Returns undefined | string
- Defined in document/change/change.ts:107

getOperations

getOperations(): Operation[]
getOperations returns the operations of this change.

Returns Operation[]
- Defined in document/change/change.ts:121

getPresenceChange

getPresenceChange(): undefined | PresenceChange<P>
getPresenceChange returns the presence change of this change.

Returns undefined | PresenceChange<P>
- Defined in document/change/change.ts:146

hasOperations

hasOperations(): boolean
hasOperations returns whether this change has operations or not.

Returns boolean
- Defined in document/change/change.ts:114

hasPresenceChange

hasPresenceChange(): boolean
hasPresenceChange returns whether this change has presence change or not.

Returns boolean
- Defined in document/change/change.ts:139

setActor

setActor(actorID): void
setActor sets the given actor.
Parameters
- actorID: string
Returns void
- Defined in document/change/change.ts:128

toStruct

toStruct(): ChangeStruct<P>
toStruct returns the structure of this change.

Returns ChangeStruct<P>
- Defined in document/change/change.ts:205

toTestString

toTestString(): string
toTestString returns a string containing the meta data of this change.

Returns string
- Defined in document/change/change.ts:196

`Static` create

create<P>(__namedParameters): Change<P>
create creates a new instance of Change.
Type Parameters
- P extends Indexable
Parameters
- __namedParameters: {
      id: ChangeID;
      message?: string;
      operations?: Operation[];
      presenceChange?: PresenceChange<P>;
  }
  - id: ChangeID
  - Optional message?: string
  - Optional operations?: Operation[]
  - Optional presenceChange?: PresenceChange<P>
Returns Change<P>
- Defined in document/change/change.ts:83

`Static` fromStruct

fromStruct<P>(struct): Change<P>
fromStruct creates a instance of Change from the struct.
Type Parameters
- P extends Indexable
Parameters
- struct: ChangeStruct<P>
Returns Change<P>
- Defined in document/change/change.ts:221