The IsDataAvailable operation allows the caller to check for new data that is available to them.
Namespace: PASI.ServiceContract
Assembly: PASI.ServiceContract (in PASI.ServiceContract.dll) Version: 9.29.6.0 (9.29.6.0)
Syntax
IAsyncResult BeginIsDataAvailable( DataNotificationRequest request, AsyncCallback callback, Object asyncState )
Parameters
- request
- Type: PASI.DataContract.V2009DataNotificationRequest
The DataNotificationRequest instance passed from the client to send which data types will be monitored, the current version known on the client. - callback
- Type: SystemAsyncCallback
This parameter is not passed or visible by the client. This parameter is passed in by WCF - asyncState
- Type: SystemObject
This parameter is not passed or visible by the client. This parameter is passed in by WCF
Return Value
Type: IAsyncResultA DataNotificationResponse indicating what, if any, data is different in the core than on the client.
Service Validations
The following codes can be returned from the service operation. This list also shows core alerts that could be generated as a result calling this service. These codes are in addition to the standard set of codes that can be returned defined as in the Approach to Error Reporting. Click the link for the details.
3005, 3006, 3007, 3008Remarks
Request and Response Class Diagram

Request Fields
| Full Property Name | Type | Required | Other Attributes |
|---|---|---|---|
| CallerInfo | CallerInfo | Yes | |
| CallerInfo.ClientMessageID | String | Yes | Value must be no more than 50 characters Value must not have control characters, leading, trailing or multiple embedded spaces. Content must not match regular expression: ^\s|\s{2,}|\s$|[\x00-\x19]|[\x7F-\x9F]|[^\x00-\xFF] |
| CallerInfo.SentUtcTime | DateTime | Yes | |
| CallerInfo.Software | Software | Yes | |
| CallerInfo.Software.BuildNumber | String | Yes | Value must be no more than 30 characters Value must not have control characters, leading, trailing or multiple embedded spaces. Content must not match regular expression: ^\s|\s{2,}|\s$|[\x00-\x19]|[\x7F-\x9F]|[^\x00-\xFF] |
| CallerInfo.Software.Manufacturer | String | Yes | Value must be no more than 100 characters Value must not have control characters, leading, trailing or multiple embedded spaces. Content must not match regular expression: ^\s|\s{2,}|\s$|[\x00-\x19]|[\x7F-\x9F]|[^\x00-\xFF] |
| CallerInfo.Software.Product | String | Yes | Value must be no more than 100 characters Value must not have control characters, leading, trailing or multiple embedded spaces. Content must not match regular expression: ^\s|\s{2,}|\s$|[\x00-\x19]|[\x7F-\x9F]|[^\x00-\xFF] |
| CallerInfo.Software.Version | String | Yes | Value must be no more than 30 characters Value must not have control characters, leading, trailing or multiple embedded spaces. Content must not match regular expression: ^\s|\s{2,}|\s$|[\x00-\x19]|[\x7F-\x9F]|[^\x00-\xFF] |
| CallerInfo.User | User | Yes | |
| CallerInfo.User.IPAddress | String | Yes | Value must be no more than 50 characters Value must not have control characters, leading, trailing or multiple embedded spaces. Content must not match regular expression: ^\s|\s{2,}|\s$|[\x00-\x19]|[\x7F-\x9F]|[^\x00-\xFF] |
| CallerInfo.User.LocalID | String | Yes | Value must be no more than 50 characters Value must not have control characters, leading, trailing or multiple embedded spaces. Content must not match regular expression: ^\s|\s{2,}|\s$|[\x00-\x19]|[\x7F-\x9F]|[^\x00-\xFF] |
| CallerInfo.User.Name | String | Yes | Value must be no more than 100 characters Value must not have control characters, leading, trailing or multiple embedded spaces. Content must not match regular expression: ^\s|\s{2,}|\s$|[\x00-\x19]|[\x7F-\x9F]|[^\x00-\xFF] |
| CallerInfo.User.OrganizationCode | String | Yes | Value must be no more than 6 characters |
| RegisteredNotificationTypes | List<DataNotificationRequestTypeInfo> | Yes | |
| RegisteredNotificationTypes.MaxPASICoreVersion | Int64 | Yes | |
| RegisteredNotificationTypes.NotificationType | String | Yes | |
| RegisteredNotificationTypes.PASICoreVersionHash | String | No | |
| WaitTimeInMinutes | Int32 | Yes |
Response Fields
| Full Property Name | Type | Required | Other Attributes |
|---|---|---|---|
| DataNotificationResponse.NotificationResultTypeInfos | List<DataNotificationResultTypeInfo> | No | |
| DataNotificationResponse.NotificationResultTypeInfos.IdList | List<DataNotificationIdVersion> | No | |
| DataNotificationResponse.NotificationResultTypeInfos.IdList.Id | String | No | |
| DataNotificationResponse.NotificationResultTypeInfos.IdList.PASICoreVersion | Int64 | No | |
| DataNotificationResponse.NotificationResultTypeInfos.NotificationType | String | No | |
| DataNotificationResponse.NotificationResultTypeInfos.UpdateType | String | No |
See Also