Table of contents
iModels
Download API definition:
POST https://dev-api.bentley.com/imodels/{id}/locks/release-chunk

Releases a chunk of locks for a specified briefcase.

Lock - the right to modify a specific type of data within the iModel. For more information on Locks see working with Locks via iTwin.js client libraries.

Authentication

Requires Authorization header with valid Bearer token for scope itwin-platform.

For more documentation on authorization and how to get access token visit OAUTH2 Authorization page.

Authorization

To release any Locks user must have imodels_manage permission assigned at the iModel level. If permissions at the iModel level are not configured, then user must have imodels_manage permission assigned at the iTwin level. To release Locks that the user owns imodels_write permission is enough.

Alternatively the user should be an Organization Administrator for the Organization that owns a given iTwin the iModel belongs to.

For more information please refer to Account Administrator documentation section on Access Control API documentation page.

Rate limits

All iTwin Platform API operations have a rate limit. For more documentation on that visit Rate limits and quotas page.

Request parameters

Name
Required?
Description
id
Yes

iModelId

Request headers

Name
Required?
Description
Authorization
Yes

OAuth access token with itwin-platform scope

Accept
Yes

Setting to application/vnd.bentley.itwin-platform.v2+json is recommended.

Content-Type
No

Indicates request body content type. Supported media type is application/json.

Request body

Release Locks Chunk

Name
Type
Required?
Description
briefcaseId
Int32
Yes

Briefcase Id for which to release locks.

changesetId
String, null
No

Changeset Id. Meant to identify the latest Changeset in which the locked object was updated. If this value points to an older Changeset than the value saved in the server acquiring locks will fail.

Example

json
{
    "briefcaseId": 2,
    "changesetId": "1f2e04b666edce395e37a795e2231e995cbf8349"
}

Response 200 OK

OK

json
{
    "isLastChunk": true
}

Response 401 Unauthorized

This response indicates that request lacks valid authentication credentials. Access token might not been provided, issued by the wrong issuer, does not have required scopes or request headers were malformed.

json
{
    "error": {
        "code": "HeaderNotFound",
        "message": "Header Authorization was not found in the request. Access denied."
    }
}

Response 403 Forbidden

User is not authorized to release Locks chunk.

json
{
    "error": {
        "code": "InsufficientPermissions",
        "message": "The user has insufficient permissions for the requested operation."
    }
}

Response 404 Not Found

Specified iModel, Briefcase, Lock or Changeset was not found.

json
{
    "error": {
        "code": "iModelNotFound",
        "message": "Requested iModel is not available."
    }
}

Response 409 Conflict

iModel is not initialized and modify operations are not allowed.

json
{
    "error": {
        "code": "iModelNotInitialized",
        "message": "iModel is not initialized."
    }
}

Response 415 Unsupported Media Type

This response indicates that the user has specified not supported media type in the request.

json
{
    "error": {
        "code": "UnsupportedMediaType",
        "message": "Media Type is not supported."
    }
}

Response 422 Unprocessable Entity

The 422 (Unprocessable Entity) status code indicates that the request cannot be processed by the server due to a client error (e.g. malformed request syntax)

json
{
    "error": {
        "code": "InvalidiModelsRequest",
        "message": "Cannot release Locks chunk.",
        "details": [{
                "code": "InvalidValue",
                "message": "Provided 'briefcaseId' value is not valid. Expected a value of type 'integer'.",
                "target": "BriefcaseId"
            },
            {
                "code": "MissingRequiredProperty",
                "message": "Required property is missing.",
                "target": "BriefcaseId"
            },
            {
                "code": "InvalidRequestBody",
                "message": "Failed to parse request body. Make sure it is a valid JSON."
            }
        ]
    }
}

Response 429 Too many requests

This response indicates that the client sent more requests than allowed by this API for the current tier of the client.

json
{
    "error": {
        "code": "RateLimitExceeded",
        "message": "The client sent more requests than allowed by this API for the current tier of the client."
    }
}

Response headers

Name
Description
retry-after

Number of seconds to wait until client is allowed to make more requests.

Release Locks Chunk

Properties for releasing a chunk of locks.

Name
Type
Description
briefcaseId
Int32

Briefcase Id for which to release locks.

changesetId
String, null

Changeset Id. Meant to identify the latest Changeset in which the locked object was updated. If this value points to an older Changeset than the value saved in the server acquiring locks will fail.

Release Locks Chunk Response

Response for releasing a chunk of locks.

Name
Type
Description
isLastChunk
Boolean

Indicates whether this was the last chunk of locks to be released.

Error

Contains error information.

Name
Type
Description
code
String

One of a server-defined set of error codes.

message
String

A human-readable representation of the error.

target
String, null

The target of the error.

Error Response

Gives details for an error that occurred while handling the request. Note that clients MUST NOT assume that every failed request will produce an object of this schema, or that all of the properties in the response will be non-null, as the error may have prevented this response from being constructed.

Name
Type
Description
error

Error information.

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