Google Cloud Data Catalog Lineage V1 Client - Class Link (1.4.0)

Reference documentation and code samples for the Google Cloud Data Catalog Lineage V1 Client class Link.

Links represent the data flow between source (upstream) and target (downstream) assets in transformation pipelines.

Links are created when LineageEvents record data transformation between related assets.

Generated from protobuf message google.cloud.datacatalog.lineage.v1.Link

Namespace

Google \ Cloud \ DataCatalog \ Lineage \ V1

Methods

__construct

Constructor.

Parameters
Name	Description
`data`	`array` Optional. Data for populating the Message object.
`↳ name`	`string` Output only. Immutable. The name of the link. Format: `projects/{project}/locations/{location}/links/{link}`.
`↳ source`	`EntityReference` The pointer to the entity that is the source of this link.
`↳ target`	`EntityReference` The pointer to the entity that is the target of this link.
`↳ start_time`	`Google\Protobuf\Timestamp` The start of the first event establishing this link.
`↳ end_time`	`Google\Protobuf\Timestamp` The end of the last event establishing this link.
`↳ dependency_info`	`array<Link\DependencyInfo>` Optional. The dependency info of the link (applies only to column level links).

getName

Output only. Immutable. The name of the link. Format: projects/{project}/locations/{location}/links/{link}.

Returns
Type	Description
`string`

setName

Output only. Immutable. The name of the link. Format: projects/{project}/locations/{location}/links/{link}.

Parameter
Name	Description
`var`	`string`

Returns
Type	Description
`$this`

getSource

The pointer to the entity that is the source of this link.

Returns
Type	Description
`EntityReference\|null`

hasSource

clearSource

setSource

The pointer to the entity that is the source of this link.

Parameter
Name	Description
`var`	`EntityReference`

Returns
Type	Description
`$this`

getTarget

The pointer to the entity that is the target of this link.

Returns
Type	Description
`EntityReference\|null`

hasTarget

clearTarget

setTarget

The pointer to the entity that is the target of this link.

Parameter
Name	Description
`var`	`EntityReference`

Returns
Type	Description
`$this`

getStartTime

The start of the first event establishing this link.

Returns
Type	Description
`Google\Protobuf\Timestamp\|null`

hasStartTime

clearStartTime

setStartTime