Evaluates a given decision and returns the result. The input values of the decision have to be supplied in the request body.

Method

POST /decision-definition/{id}/evaluate

POST /decision-definition/key/{key}/evaluate (evaluates the latest version of the decision definition which belongs to no tenant)

POST /decision-definition/key/{key}/tenant-id/{tenant-id}/evaluate (evaluates the latest version of the decision definition for tenant)

Parameters

Path Parameters

Request Body

A JSON object with the following properties:

|value|The variable's value. For variables of type Object, the serialized value has to be submitted as a String value.
For variables of type File the value has to be submitted as Base64 encoded string.
|type|The value type of the variable.|valueInfo| A JSON object containing additional, value-type-dependent properties.
For serialized variables of type Object, the following properties can be provided:

• objectTypeName: A string representation of the object's type name.

• serializationDataFormat: The serialization format used to store the variable.
  For serialized variables of type File, the following properties can be provided:

• filename: The name of the file. This is not the variable name but the name that will be used when downloading the file again.

• mimetype: The MIME type of the file that is being uploaded.
• encoding: The encoding of the file that is being uploaded.
  |Name|Description
  |——-
  |value|The variable's value. For variables of type Object, the serialized value has to be submitted as a String value.
  For variables of type File the value has to be submitted as Base64 encoded string.

|type|The value type of the variable.
|valueInfo| A JSON object containing additional, value-type-dependent properties.
For serialized variables of type Object, the following properties can be provided:

• objectTypeName: A string representation of the object's type name.

• serializationDataFormat: The serialization format used to store the variable.
  For serialized variables of type File, the following properties can be provided:

• filename: The name of the file. This is not the variable name but the name that will be used when downloading the file again.

• mimetype: The MIME type of the file that is being uploaded.
• encoding: The encoding of the file that is being uploaded.

Result

A JSON array representing the result of the newly evaluated decision. The array contains the output values as key-value pairs. Each key is an output name and each value an output value object that has the following properties:

For variables of type Object, the following properties are returned:

• objectTypeName: A string representation of the object's type name.
• serializationDataFormat: The serialization format used to store the variable.

See the user guide for details about the decision result.

Response codes

Example

Request

POST /decision-definition/aDecisionDefinitionId/evaluate

POST /decision-definition/key/aDecisionDefinitionKey/evaluate

Request body:

{
  "variables" : {
    "amount" : { "value" : 600, "type" : "Double" },
    "invoiceCategory" : { "value" : "Misc", "type" : "String" }
  }
}

Response

[
  {
    "result": { "value" : "management", "type" : "String", "valueInfo" : null }
  }
]

原文: https://docs.camunda.org/manual/7.9/reference/rest/decision-definition/post-evaluate/