Functionalities

Metadata Request

Your applications can query the metadata of the OData service. To get the metadata of the OData service, you must make a HTTP GET call.

RESOURCE

Attributes	Values
HTTP Method	GET
Resource URL	`{{host}}/meridum/odata/$metadata`

HEADERS

Name	Value
MeridiumToken	{{meridiumtoken}}

Entity Collection Request

To query the list of entities for a family, you must make a HTTP GET call.

RESOURCE

Attributes	Values
HTTP Method	GET
Resource URL	`{{host}}/meridium/api/odata/{entity_name}`

HEADERS

Name	Value
MeridiumToken	{{meridiumtoken}}

Sample Query

{{host}}/Meridium/api/odata/Work_Order?$count=true

Note: The default page size is 1000.

Entity by Id Request

To query an entity based on id, you must make a HTTP GET call.

RESOURCE

Attributes	Values
HTTP Method	GET
Resource URL	`{{host}}/Meridum/api/odata/{entity_name}({entityid})`

HEADERS

Name	Value
MeridiumToken	{{meridiumtoken}}

Sample Query

{{host}}/Meridium/api/odata/Work_Order(2003303)

Entity Property Request

To query a property of an entity based on id, you must make a HTTP GET call.

RESOURCE

Attributes	Values
HTTP Method	GET
Resource URL	`{{host}}/Meridum/api/odata/{entity_name}({entityid})/{property_name}`

HEADERS

Name	Value
MeridiumToken	{{meridiumtoken}}

Sample Query

{{host}}/Meridium/api/odata/Work_Order(2003303)/Work_Order_ID

Entity Count Request

To find the number of existing entities for a family, you must make a HTTP GET call.

RESOURCE

Attributes	Values
HTTP Method	GET
Resource URL	`{{host}}/Meridum/api/odata/{entity_name}/$count`

HEADERS

Names	Value
MeridiumToken	{{meridiumtoken}}

Sample Query

{{host}}/Meridum/api/odata/Work_Order/$count

Configure Page Size

About This Task

You can configure the page size of the OData request payload.

Procedure

Access the Web.config file.
In the appSettings section, modify the ODATA_PAGE_SIZE value.

Note: The default page size is 1000.

Configuration Key Value Type
ODATA_PAGE_SIZE 1000 Integer
Save the Web.config file.

Configuration Key	Value	Type
ODATA_PAGE_SIZE	1000	Integer

Power M Query

The following is a sample query to authenticate the GE Digital APM environment and retrieve the metadata.


let
    actualUrl = "{{host}}/Meridum/api/core/security/login",
    body = Text.ToBinary("{""DatasourceId"":""datasource"",""Id"":""user"",""Password"":""pwd""}"),
    options = [Headers =[#"Content-type"="application/json"], Content=body],
    Source = Web.Contents(actualUrl, options),
    retVal = Json.Document(Source,65001),
    token = retVal[sessionId],
    feed = OData.Feed("{{host}}/Meridum/api/odata/", null, [Headers = [ MeridiumToken= token ]])
    in
    feed