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Chapter 4. DMN model execution

You can create or import DMN files in your Red Hat Decision Manager project using Business Central or package the DMN files as part of your project knowledge JAR (KJAR) file without Business Central. After you implement your DMN files in your Red Hat Decision Manager project, you can execute the DMN decision service by deploying the KIE container that contains it to Decision Server for remote access and interacting with the container using the Decision Server REST API.

For information about including external DMN assets with your project packaging and deployment method, see Packaging and deploying a Red Hat Decision Manager project.

4.1. Executing a DMN service using the Decision Server REST API
링크 복사

Directly interacting with the REST endpoints of Decision Server provides the most separation between the calling code and the decision logic definition. The calling code is completely free of direct dependencies, and you can implement it in an entirely different development platform such as node.js or .net. The examples in this section demonstrate Nix-style curl commands but provide relevant information to adapt to any REST client.

For more information about the Decision Server REST API, see Interacting with Red Hat Decision Manager using KIE APIs.

Prerequisites

  • Decision Server is installed and configured, including a known user name and credentials for a user with the kie-server role. For installation options, see Planning a Red Hat Decision Manager installation.

  • A KIE container is deployed in Decision Server in the form of a KJAR that includes the DMN model, ideally compiled as an executable model for more efficient execution: 

    mvn clean install -DgenerateDMNModel=yes
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    For more information about project packaging and deployment and executable models, see Packaging and deploying a Red Hat Decision Manager project.

  • You have the container ID of the KIE container containing the DMN model. If more than one model is present, you must also know the model namespace and model name of the relevant model.

Procedure

  1. Determine the base URL for accessing the Decision Server REST API endpoints. This requires knowing the following values (with the default local deployment values as an example):

    • Host (localhost)
    • Port (8080)
    • Root context (kie-server)
    • Base REST path (services/rest/)

    Example base URL in local deployment for the traffic violations project:

    http://localhost:8080/kie-server/services/rest/server/containers/Traffic-Violation_1.0.0

  2. Determine user authentication requirements.

    When users are defined directly in the Decision Server configuration, HTTP Basic authentication is used and requires the user name and password. Successful requests require that the user have the kie-server role.

    The following example demonstrates how to add credentials to a curl request: 

    curl -u username:password <request>
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    If Decision Server is configured with Red Hat Single Sign-On, the request must include a bearer token: 

    curl -H "Authorization: bearer $TOKEN" <request>
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  3. Specify the format of the request and response. The REST API endpoints work with both JSON and XML formats and are set using request headers:

    JSON

    curl -H "accept: application/json" -H "content-type: application/json"
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    XML

    curl -H "accept: application/xml" -H "content-type: application/xml"
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  4. (Optional) Query the container for a list of deployed decision models:

    [GET] server/containers/{containerId}/dmn

    Example curl request: 

    curl -u wbadmin:wbadmin -H "accept: application/xml" -X GET "http://localhost:8080/kie-server/services/rest/server/containers/Traffic-Violation_1.0.0/dmn"
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    Sample XML output: 

    <?XML VERSION="1.0" ENCODING="UTF-8" STANDALONE="YES"?>
<RESPONSE TYPE="SUCCESS" MSG="OK MODELS SUCCESSFULLY RETRIEVED FROM CONTAINER 'TRAFFIC-VIOLATION_1.0.0'">
    <DMN-MODEL-INFO-LIST>
        <MODEL>
            <MODEL-NAMESPACE>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</MODEL-NAMESPACE>
            <MODEL-NAME>TRAFFIC VIOLATION</MODEL-NAME>
            <MODEL-ID>_2CD7D1AA-BD84-4B43-AD21-B0342ADE655A</MODEL-ID>
            <DECISIONS>
                <DMN-DECISION-INFO>
                    <DECISION-ID>_23428EE8-DC8B-4067-8E67-9D7C53EC975F</DECISION-ID>
                    <DECISION-NAME>FINE</DECISION-NAME>
                </DMN-DECISION-INFO>
                <DMN-DECISION-INFO>
                    <DECISION-ID>_B5EEE2B1-915C-44DC-BE43-C244DC066FD8</DECISION-ID>
                    <DECISION-NAME>SHOULD THE DRIVER BE SUSPENDED?</DECISION-NAME>
                </DMN-DECISION-INFO>
            </DECISIONS>
            <INPUTS>
                <DMN-INPUTDATA-INFO>
                    <INPUTDATA-ID>_CEB959CD-3638-4A87-93BA-03CD0FB63AE3</INPUTDATA-ID>
                    <INPUTDATA-NAME>VIOLATION</INPUTDATA-NAME>
                    <INPUTDATA-TYPEREF>
                        <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                        <LOCAL-PART>TVIOLATION</LOCAL-PART>
                        <PREFIX></PREFIX>
                    </INPUTDATA-TYPEREF>
                </DMN-INPUTDATA-INFO>
                <DMN-INPUTDATA-INFO>
                    <INPUTDATA-ID>_B0E810E6-7596-430A-B5CF-67CE16863B6C</INPUTDATA-ID>
                    <INPUTDATA-NAME>DRIVER</INPUTDATA-NAME>
                    <INPUTDATA-TYPEREF>
                        <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                        <LOCAL-PART>TDRIVER</LOCAL-PART>
                        <PREFIX></PREFIX>
                    </INPUTDATA-TYPEREF>
                </DMN-INPUTDATA-INFO>
            </INPUTS>
            <ITEMDEFINITIONS>
                <DMN-ITEMDEFINITION-INFO>
                    <ITEMDEFINITION-ID>_9C758F4A-7D72-4D0F-B63F-2F5B8405980E</ITEMDEFINITION-ID>
                    <ITEMDEFINITION-NAME>TVIOLATION</ITEMDEFINITION-NAME>
                    <ITEMDEFINITION-ITEMCOMPONENT>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_0B6FF1E2-ACE9-4FB3-876B-5BB30B88009B</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>CODE</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>STRING</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_27A5DA18-3CA7-4C06-81B7-CF7F2F050E29</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>DATE</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>DATE</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_8961969A-8A80-4F12-B568-346920C0F038</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>TYPE</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>STRING</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_7450F12A-3E95-4D5E-8DCE-2CB1FAC2BDD4</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>SPEED LIMIT</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>NUMBER</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_0A9A6F26-6C14-414D-A9BF-765E5850429A</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>ACTUAL SPEED</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>NUMBER</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                    </ITEMDEFINITION-ITEMCOMPONENT>
                    <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                </DMN-ITEMDEFINITION-INFO>
                <DMN-ITEMDEFINITION-INFO>
                    <ITEMDEFINITION-ID>_13C7EFD8-B85C-43BF-94D3-14FABE39A4A0</ITEMDEFINITION-ID>
                    <ITEMDEFINITION-NAME>TDRIVER</ITEMDEFINITION-NAME>
                    <ITEMDEFINITION-ITEMCOMPONENT>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_EC11744C-4160-4549-9610-2C757F40DFE8</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>NAME</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>STRING</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_E95BE3DB-4A51-4658-A166-02493EAAC9D2</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>AGE</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>NUMBER</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_7B3023E2-BC44-4BF3-BF7E-773C240FB9AD</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>STATE</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>STRING</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_3D4B49DD-700C-4925-99A7-3B2B873F7800</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>CITY</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>STRING</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_B37C49E8-B0D9-4B20-9DC6-D655BB1CA7B1</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>POINTS</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>NUMBER</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                    </ITEMDEFINITION-ITEMCOMPONENT>
                    <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                </DMN-ITEMDEFINITION-INFO>
                <DMN-ITEMDEFINITION-INFO>
                    <ITEMDEFINITION-ID>_A4077C7E-B57A-4DEE-9C65-7769636316F3</ITEMDEFINITION-ID>
                    <ITEMDEFINITION-NAME>TFINE</ITEMDEFINITION-NAME>
                    <ITEMDEFINITION-ITEMCOMPONENT>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_79B152A8-DE83-4001-B88B-52DFF0D73B2D</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>AMOUNT</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>NUMBER</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                        <DMN-ITEMDEFINITION-INFO>
                            <ITEMDEFINITION-ID>_D7CB5F9C-9D55-48C2-83EE-D47045EC90D0</ITEMDEFINITION-ID>
                            <ITEMDEFINITION-NAME>POINTS</ITEMDEFINITION-NAME>
                            <ITEMDEFINITION-TYPEREF>
                                <NAMESPACE-URI>HTTPS://GITHUB.COM/KIEGROUP/DROOLS/KIE-DMN/_60B01F4D-E407-43F7-848E-258723B5FAC8</NAMESPACE-URI>
                                <LOCAL-PART>NUMBER</LOCAL-PART>
                                <PREFIX></PREFIX>
                            </ITEMDEFINITION-TYPEREF>
                            <ITEMDEFINITION-ITEMCOMPONENT/>
                            <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                        </DMN-ITEMDEFINITION-INFO>
                    </ITEMDEFINITION-ITEMCOMPONENT>
                    <ITEMDEFINITION-ISCOLLECTION>FALSE</ITEMDEFINITION-ISCOLLECTION>
                </DMN-ITEMDEFINITION-INFO>
            </ITEMDEFINITIONS>
            <DECISIONSERVICES/>
        </MODEL>
    </DMN-MODEL-INFO-LIST>
</RESPONSE>
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    Sample JSON output: 

    {
  "type" : "SUCCESS",
  "msg" : "OK models successfully retrieved from container 'Traffic-Violation_1.0.0'",
  "result" : {
    "dmn-model-info-list" : {
      "models" : [ {
        "model-namespace" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
        "model-name" : "Traffic Violation",
        "model-id" : "_2CD7D1AA-BD84-4B43-AD21-B0342ADE655A",
        "decisions" : [ {
          "decision-id" : "_23428EE8-DC8B-4067-8E67-9D7C53EC975F",
          "decision-name" : "Fine"
        }, {
          "decision-id" : "_B5EEE2B1-915C-44DC-BE43-C244DC066FD8",
          "decision-name" : "Should the driver be suspended?"
        } ],
        "inputs" : [ {
          "inputdata-id" : "_CEB959CD-3638-4A87-93BA-03CD0FB63AE3",
          "inputdata-name" : "Violation",
          "inputdata-typeRef" : {
            "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
            "local-part" : "tViolation",
            "prefix" : ""
          }
        }, {
          "inputdata-id" : "_B0E810E6-7596-430A-B5CF-67CE16863B6C",
          "inputdata-name" : "Driver",
          "inputdata-typeRef" : {
            "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
            "local-part" : "tDriver",
            "prefix" : ""
          }
        } ],
        "itemDefinitions" : [ {
          "itemdefinition-id" : "_13C7EFD8-B85C-43BF-94D3-14FABE39A4A0",
          "itemdefinition-name" : "tDriver",
          "itemdefinition-typeRef" : null,
          "itemdefinition-itemComponent" : [ {
            "itemdefinition-id" : "_EC11744C-4160-4549-9610-2C757F40DFE8",
            "itemdefinition-name" : "Name",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "string",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          }, {
            "itemdefinition-id" : "_E95BE3DB-4A51-4658-A166-02493EAAC9D2",
            "itemdefinition-name" : "Age",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "number",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          }, {
            "itemdefinition-id" : "_7B3023E2-BC44-4BF3-BF7E-773C240FB9AD",
            "itemdefinition-name" : "State",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "string",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          }, {
            "itemdefinition-id" : "_3D4B49DD-700C-4925-99A7-3B2B873F7800",
            "itemdefinition-name" : "City",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "string",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          }, {
            "itemdefinition-id" : "_B37C49E8-B0D9-4B20-9DC6-D655BB1CA7B1",
            "itemdefinition-name" : "Points",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "number",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          } ],
          "itemdefinition-isCollection" : false
        }, {
          "itemdefinition-id" : "_A4077C7E-B57A-4DEE-9C65-7769636316F3",
          "itemdefinition-name" : "tFine",
          "itemdefinition-typeRef" : null,
          "itemdefinition-itemComponent" : [ {
            "itemdefinition-id" : "_79B152A8-DE83-4001-B88B-52DFF0D73B2D",
            "itemdefinition-name" : "Amount",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "number",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          }, {
            "itemdefinition-id" : "_D7CB5F9C-9D55-48C2-83EE-D47045EC90D0",
            "itemdefinition-name" : "Points",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "number",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          } ],
          "itemdefinition-isCollection" : false
        }, {
          "itemdefinition-id" : "_9C758F4A-7D72-4D0F-B63F-2F5B8405980E",
          "itemdefinition-name" : "tViolation",
          "itemdefinition-typeRef" : null,
          "itemdefinition-itemComponent" : [ {
            "itemdefinition-id" : "_0B6FF1E2-ACE9-4FB3-876B-5BB30B88009B",
            "itemdefinition-name" : "Code",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "string",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          }, {
            "itemdefinition-id" : "_27A5DA18-3CA7-4C06-81B7-CF7F2F050E29",
            "itemdefinition-name" : "Date",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "date",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          }, {
            "itemdefinition-id" : "_8961969A-8A80-4F12-B568-346920C0F038",
            "itemdefinition-name" : "Type",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "string",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          }, {
            "itemdefinition-id" : "_7450F12A-3E95-4D5E-8DCE-2CB1FAC2BDD4",
            "itemdefinition-name" : "Speed Limit",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "number",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          }, {
            "itemdefinition-id" : "_0A9A6F26-6C14-414D-A9BF-765E5850429A",
            "itemdefinition-name" : "Actual Speed",
            "itemdefinition-typeRef" : {
              "namespace-uri" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
              "local-part" : "number",
              "prefix" : ""
            },
            "itemdefinition-itemComponent" : [ ],
            "itemdefinition-isCollection" : false
          } ],
          "itemdefinition-isCollection" : false
        } ],
        "decisionServices" : [ ]
      } ]
    }
  }
}
    Copy to Clipboard Toggle word wrap

  5. Execute the model:

    [POST] server/containers/{containerId}/dmn

    Note

    The attribute model-namespace is automatically generated and is different for every user. Ensure that the model-namespace and model-name attributes that you use match those of the deployed model.

    Example curl request: 

    curl -u wbadmin:wbadmin -H "accept: application/json" -H "content-type: application/json" -X POST "http://localhost:8080/kie-server/services/rest/server/containers/Traffic-Violation_1.0.0/dmn" -d "{ \"model-namespace\" : \"https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8\", \"model-name\" : \"Traffic Violation\", \"dmn-context\" : {\"Driver\" : {\"Points\" : 15}, \"Violation\" : {\"Type\" : \"speed\", \"Actual Speed\" : 135, \"Speed Limit\" : 100}}}"
    Copy to Clipboard Toggle word wrap

    Example JSON request: 

    {
  "model-namespace" : "https://github.com/kiegroup/drools/kie-dmn/_60B01F4D-E407-43F7-848E-258723B5FAC8",
  "model-name" : "Traffic Violation",
  "dmn-context" :
  {
    "Driver" :
    {
  	   "Points" : 15
    },
  	"Violation" :
    {
  		"Type" : "speed",
  		"Actual Speed" : 135,
  		"Speed Limit" : 100
  	}
  }
}
    Copy to Clipboard Toggle word wrap

    Example XML request (JAXB format): 

    <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<dmn-evaluation-context>
    <dmn-context xsi:type="jaxbListWrapper" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
        <type>MAP</type>
        <element xsi:type="jaxbStringObjectPair" key="Violation">
            <value xsi:type="jaxbListWrapper">
                <type>MAP</type>
                <element xsi:type="jaxbStringObjectPair" key="Type">
                    <value xsi:type="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema">speed</value>
                </element>
                <element xsi:type="jaxbStringObjectPair" key="Speed Limit">
                    <value xsi:type="xs:decimal" xmlns:xs="http://www.w3.org/2001/XMLSchema">100</value>
                </element>
                <element xsi:type="jaxbStringObjectPair" key="Actual Speed">
                    <value xsi:type="xs:decimal" xmlns:xs="http://www.w3.org/2001/XMLSchema">135</value>
                </element>
            </value>
        </element>
        <element xsi:type="jaxbStringObjectPair" key="Driver">
            <value xsi:type="jaxbListWrapper">
                <type>MAP</type>
                <element xsi:type="jaxbStringObjectPair" key="Points">
                    <value xsi:type="xs:decimal" xmlns:xs="http://www.w3.org/2001/XMLSchema">15</value>
                </element>
            </value>
        </element>
    </dmn-context>
</dmn-evaluation-context>
    Copy to Clipboard Toggle word wrap
    Note

    Regardless of the request format, the request requires the following elements:

    • Model namespace
    • Model name
    • Context object containing input values

    Example JSON response: 

    {
  "type": "SUCCESS",
  "msg": "OK from container 'Traffic-Violation_1.0.0'",
  "result": {
      "dmn-evaluation-result": {
          "messages": [],
          "model-namespace": "https://github.com/kiegroup/drools/kie-dmn/_7D8116DE-ADF5-4560-A116-FE1A2EAFFF48",
          "model-name": "Traffic Violation",
          "decision-name": [],
          "dmn-context": {
              "Violation": {
                "Type": "speed",
                "Speed Limit": 100,
                "Actual Speed": 135
              },
              "Should Driver be Suspended?": "YES",
                "Driver": {
                  "Points": 15
                },
                "Fine": {
                  "Points": 7,
                  "Amount": 1000
                }
            },
      "decision-results": {
          "_E1AF5AC2-E259-455C-96E4-596E30D3BC86": {
              "messages": [],
              "decision-id": "_E1AF5AC2-E259-455C-96E4-596E30D3BC86",
              "decision-name": "Should the Driver be Suspended?",
              "result": "YES",
              "status": "SUCCEEDED"
            },
          "_D7F02CE0-AF50-4505-AB80-C7D6DE257920": {
              "messages": [],
              "decision-id": "_D7F02CE0-AF50-4505-AB80-C7D6DE257920",
              "decision-name": "Fine",
              "result": {
                "Points": 7,
                "Amount": 1000
              },
          "status": "SUCCEEDED"
        }
      }
    }
  }
}
    Copy to Clipboard Toggle word wrap

    Example XML (JAXB format) response: 

    <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<response type="SUCCESS" msg="OK from container 'Traffic_1.0.0-SNAPSHOT'">
    <dmn-evaluation-result>
        <model-namespace>https://github.com/kiegroup/drools/kie-dmn/_A4BCA8B8-CF08-433F-93B2-A2598F19ECFF</model-namespace>
        <model-name>Traffic Violation</model-name>
        <dmn-context xsi:type="jaxbListWrapper" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <type>MAP</type>
            <element xsi:type="jaxbStringObjectPair" key="Violation">
                <value xsi:type="jaxbListWrapper">
                    <type>MAP</type>
                    <element xsi:type="jaxbStringObjectPair" key="Type">
                        <value xsi:type="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema">speed</value>
                    </element>
                    <element xsi:type="jaxbStringObjectPair" key="Speed Limit">
                        <value xsi:type="xs:decimal" xmlns:xs="http://www.w3.org/2001/XMLSchema">100</value>
                    </element>
                    <element xsi:type="jaxbStringObjectPair" key="Actual Speed">
                        <value xsi:type="xs:decimal" xmlns:xs="http://www.w3.org/2001/XMLSchema">135</value>
                    </element>
                </value>
            </element>
            <element xsi:type="jaxbStringObjectPair" key="Driver">
                <value xsi:type="jaxbListWrapper">
                    <type>MAP</type>
                    <element xsi:type="jaxbStringObjectPair" key="Points">
                        <value xsi:type="xs:decimal" xmlns:xs="http://www.w3.org/2001/XMLSchema">15</value>
                    </element>
                </value>
            </element>
            <element xsi:type="jaxbStringObjectPair" key="Fine">
                <value xsi:type="jaxbListWrapper">
                    <type>MAP</type>
                    <element xsi:type="jaxbStringObjectPair" key="Points">
                        <value xsi:type="xs:decimal" xmlns:xs="http://www.w3.org/2001/XMLSchema">7</value>
                    </element>
                    <element xsi:type="jaxbStringObjectPair" key="Amount">
                        <value xsi:type="xs:decimal" xmlns:xs="http://www.w3.org/2001/XMLSchema">1000</value>
                    </element>
                </value>
            </element>
            <element xsi:type="jaxbStringObjectPair" key="Should the driver be suspended?">
                <value xsi:type="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema">Yes</value>
            </element>
        </dmn-context>
        <messages/>
        <decisionResults>
            <entry>
                <key>_4055D956-1C47-479C-B3F4-BAEB61F1C929</key>
                <value>
                    <decision-id>_4055D956-1C47-479C-B3F4-BAEB61F1C929</decision-id>
                    <decision-name>Fine</decision-name>
                    <result xsi:type="jaxbListWrapper" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
                        <type>MAP</type>
                        <element xsi:type="jaxbStringObjectPair" key="Points">
                            <value xsi:type="xs:decimal" xmlns:xs="http://www.w3.org/2001/XMLSchema">7</value>
                        </element>
                        <element xsi:type="jaxbStringObjectPair" key="Amount">
                            <value xsi:type="xs:decimal" xmlns:xs="http://www.w3.org/2001/XMLSchema">1000</value>
                        </element>
                    </result>
                    <messages/>
                    <status>SUCCEEDED</status>
                </value>
            </entry>
            <entry>
                <key>_8A408366-D8E9-4626-ABF3-5F69AA01F880</key>
                <value>
                    <decision-id>_8A408366-D8E9-4626-ABF3-5F69AA01F880</decision-id>
                    <decision-name>Should the driver be suspended?</decision-name>
                    <result xsi:type="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">Yes</result>
                    <messages/>
                    <status>SUCCEEDED</status>
                </value>
            </entry>
        </decisionResults>
    </dmn-evaluation-result>
</response>
    Copy to Clipboard Toggle word wrap
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