KIE Server and KIE container commands in jBPM

jBPM supports server commands that you can send to KIE Server for server-related or container-related operations, such as retrieving server information or creating or deleting a container. The full list of supported KIE Server configuration commands is located in the org.kie.server.api.commands package in your jBPM instance. In the KIE Server REST API, you use the org.kie.server.api.commands commands as the request body for POST requests to http://SERVER:PORT/kie-server/services/rest/server/config. For more information about using the KIE Server REST API, see KIE Server REST API for KIE containers and business assets. In the KIE Server Java client API, you use the corresponding method in the parent KieServicesClient Java client as an embedded API request in your Java application. All KIE Server commands are executed by methods provided in the Java client API, so you do not need to embed the actual KIE Server commands in your Java application. For more information about using the KIE Server Java client API, see KIE Server Java client API for KIE containers and business assets.

Sample KIE Server and KIE container commands

The following are sample KIE Server commands that you can use with the KIE Server REST API or Java client API for server-related or container-related operations in KIE Server:

GetServerInfoCommand
GetServerStateCommand
CreateContainerCommand
GetContainerInfoCommand
ListContainersCommand
CallContainerCommand
DisposeContainerCommand
GetScannerInfoCommand
UpdateScannerCommand
UpdateReleaseIdCommand

For the full list of supported KIE Server configuration and management commands, see the org.kie.server.api.commands package in your jBPM instance. You can run KIE Server commands individually or together as a batch REST API request or batch Java API request:

Batch REST API request to create, call, and dispose a KIE container (JSON)

{
  "commands": [
    {
      "create-container": {
        "container": {
          "status": "STARTED",
          "container-id": "command-script-container",
          "release-id": {
            "version": "1.0",
            "group-id": "com.redhat",
            "artifact-id": "Project1"
          }
        }
      }
    },
    {
      "call-container": {
        "payload": "{\n  \"commands\" : [ {\n    \"fire-all-rules\" : {\n      \"max\" : -1,\n      \"out-identifier\" : null\n    }\n  } ]\n}",
        "container-id": "command-script-container"
      }
    },
    {
      "dispose-container": {
        "container-id": "command-script-container"
      }
    }
  ]
}

Batch Java API request to retrieve, dispose, and re-create a KIE container

public void disposeAndCreateContainer() {
    System.out.println("== Disposing and creating containers ==");

    // Retrieve list of KIE containers
    List<KieContainerResource> kieContainers = kieServicesClient.listContainers().getResult().getContainers();
    if (kieContainers.size() == 0) {
        System.out.println("No containers available...");
        return;
    }

    // Dispose KIE container
    KieContainerResource container = kieContainers.get(0);
    String containerId = container.getContainerId();
    ServiceResponse<Void> responseDispose = kieServicesClient.disposeContainer(containerId);
    if (responseDispose.getType() == ResponseType.FAILURE) {
        System.out.println("Error disposing " + containerId + ". Message: ");
        System.out.println(responseDispose.getMsg());
        return;
    }
    System.out.println("Success Disposing container " + containerId);
    System.out.println("Trying to recreate the container...");

    // Re-create KIE container
    ServiceResponse<KieContainerResource> createResponse = kieServicesClient.createContainer(containerId, container);
    if(createResponse.getType() == ResponseType.FAILURE) {
        System.out.println("Error creating " + containerId + ". Message: ");
        System.out.println(responseDispose.getMsg());
        return;
    }
    System.out.println("Container recreated with success!");
}

Each command in this section includes a REST request body example (JSON) for the KIE Server REST API and an embedded method example from the KieServicesClient Java client for the KIE Server Java client API. GetServerInfoCommand Returns information about this KIE Server instance.

Example REST request body (JSON)

{
  "commands" : [ {
    "get-server-info" : { }
  } ]
}

Example Java client method

KieServerInfo serverInfo = kieServicesClient.getServerInfo();

Example server response (JSON)

{
  "response": [
    {
      "type": "SUCCESS",
      "msg": "Kie Server info",
      "result": {
        "kie-server-info": {
          "id": "default-kieserver",
          "version": "7.11.0.Final-redhat-00001",
          "name": "default-kieserver",
          "location": "http://localhost:8080/kie-server/services/rest/server",
          "capabilities": [
            "KieServer",
            "BRM",
            "BPM",
            "CaseMgmt",
            "BPM-UI",
            "BRP",
            "DMN",
            "Swagger"
          ],
          "messages": [
            {
              "severity": "INFO",
              "timestamp": {
                "java.util.Date": 1538502533321
              },
              "content": [
                "Server KieServerInfo{serverId='default-kieserver', version='7.11.0.Final-redhat-00001', name='default-kieserver', location='http://localhost:8080/kie-server/services/rest/server', capabilities=[KieServer, BRM, BPM, CaseMgmt, BPM-UI, BRP, DMN, Swagger], messages=null}started successfully at Tue Oct 02 13:48:53 EDT 2018"
              ]
            }
          ]
        }
      }
    }
  ]
}

GetServerStateCommand Returns information about the current state and configurations of this KIE Server instance.

Example REST request body (JSON)

{
  "commands" : [ {
    "get-server-state" : { }
  } ]
}

Example Java client method

KieServerStateInfo serverStateInfo = kieServicesClient.getServerState();

Example server response (JSON)

{
  "response": [
    {
      "type": "SUCCESS",
      "msg": "Successfully loaded server state for server id default-kieserver",
      "result": {
        "kie-server-state-info": {
          "controller": [
            "http://localhost:8080/business-central/rest/controller"
          ],
          "config": {
            "config-items": [
              {
                "itemName": "org.kie.server.location",
                "itemValue": "http://localhost:8080/kie-server/services/rest/server",
                "itemType": "java.lang.String"
              },
              {
                "itemName": "org.kie.server.controller.user",
                "itemValue": "controllerUser",
                "itemType": "java.lang.String"
              },
              {
                "itemName": "org.kie.server.controller",
                "itemValue": "http://localhost:8080/business-central/rest/controller",
                "itemType": "java.lang.String"
              }
            ]
          },
          "containers": [
            {
              "container-id": "employee-rostering",
              "release-id": {
                "group-id": "employeerostering",
                "artifact-id": "employeerostering",
                "version": "1.0.0-SNAPSHOT"
              },
              "resolved-release-id": null,
              "status": "STARTED",
              "scanner": {
                "status": "STOPPED",
                "poll-interval": null
              },
              "config-items": [
                {
                  "itemName": "KBase",
                  "itemValue": "",
                  "itemType": "BPM"
                },
                {
                  "itemName": "KSession",
                  "itemValue": "",
                  "itemType": "BPM"
                },
                {
                  "itemName": "MergeMode",
                  "itemValue": "MERGE_COLLECTIONS",
                  "itemType": "BPM"
                },
                {
                  "itemName": "RuntimeStrategy",
                  "itemValue": "SINGLETON",
                  "itemType": "BPM"
                }
              ],
              "messages": [],
              "container-alias": "employeerostering"
            }
          ]
        }
      }
    }
  ]
}

CreateContainerCommand Creates a KIE container in the KIE Server. Command attributes

Name	Description	Requirement
`container`	Map containing the `container-id`, `release-id` data (group ID, artifact ID, version), `status`, and any other components of the new KIE container	Required

Example REST request body (JSON)

{
  "commands" : [ {
    "create-container" : {
      "container" : {
        "status" : null,
        "messages" : [ ],
        "container-id" : "command-script-container",
        "release-id" : {
          "version" : "1.0",
          "group-id" : "com.redhat",
          "artifact-id" : "Project1"
        },
        "config-items" : [ ]
      }
    }
  } ]
}

Example Java client method

ServiceResponse<KieContainerResource> response = kieServicesClient.createContainer("command-script-container", resource);

Example server response (JSON)

{
  "response": [
    {
      "type": "SUCCESS",
      "msg": "Container command-script-container successfully deployed with module com.redhat:Project1:1.0.",
      "result": {
        "kie-container": {
          "container-id": "command-script-container",
          "release-id": {
            "version" : "1.0",
            "group-id" : "com.redhat",
            "artifact-id" : "Project1"
          },
          "resolved-release-id": {
            "version" : "1.0",
            "group-id" : "com.redhat",
            "artifact-id" : "Project1"
          },
          "status": "STARTED",
          "scanner": {
            "status": "DISPOSED",
            "poll-interval": null
          },
          "config-items": [],
          "messages": [
            {
              "severity": "INFO",
              "timestamp": {
                "java.util.Date": 1538762455510
              },
              "content": [
                "Container command-script-container successfully created with module com.redhat:Project1:1.0."
              ]
            }
          ],
          "container-alias": null
        }
      }
    }
  ]
}

GetContainerInfoCommand Returns information about a specified KIE container in KIE Server. Command attributes

Name	Description	Requirement
`container-id`	ID of the KIE container	Required

Example REST request body (JSON)

{
  "commands" : [ {
    "get-container-info" : {
      "container-id" : "command-script-container"
    }
  } ]
}

Example Java client method

ServiceResponse<KieContainerResource> response = kieServicesClient.getContainerInfo("command-script-container");

Example server response (JSON)

{
  "response": [
    {
      "type": "SUCCESS",
      "msg": "Info for container command-script-container",
      "result": {
        "kie-container": {
          "container-id": "command-script-container",
          "release-id": {
            "group-id": "com.redhat",
            "artifact-id": "Project1",
            "version": "1.0"
          },
          "resolved-release-id": {
            "group-id": "com.redhat",
            "artifact-id": "Project1",
            "version": "1.0"
          },
          "status": "STARTED",
          "scanner": {
            "status": "DISPOSED",
            "poll-interval": null
          },
          "config-items": [

          ],
          "container-alias": null
        }
      }
    }
  ]
}

ListContainersCommand Returns a list of KIE containers that have been created in this KIE Server instance. Command attributes

Name	Description	Requirement
`kie-container-filter`	Optional map containing `release-id-filter`, `container-status-filter`, and any other KIE container properties by which you want to filter results	Optional

Example REST request body (JSON)

{
  "commands" : [ {
    "list-containers" : {
      "kie-container-filter" : {
        "release-id-filter" : { },
        "container-status-filter" : {
          "accepted-status" : ["FAILED"]
        }
      }
    }
  } ]
}

Example Java client method

KieContainerResourceFilter filter = new KieContainerResourceFilter.Builder()
        .status(KieContainerStatus.FAILED)
        .build();

KieContainerResourceList containersList = kieServicesClient.listContainers(filter);

Example server response (JSON)

{
  "response": [
    {
      "type": "SUCCESS",
      "msg": "List of created containers",
      "result": {
        "kie-containers": {
          "kie-container": [
            {
              "container-id": "command-script-container",
              "release-id": {
                "group-id": "com.redhat",
                "artifact-id": "Project1",
                "version": "1.0"
              },
              "resolved-release-id": {
                "group-id": "com.redhat",
                "artifact-id": "Project1",
                "version": "1.0"
              },
              "status": "STARTED",
              "scanner": {
                "status": "STARTED",
                "poll-interval": 5000
              },
              "config-items": [
                {
                  "itemName": "RuntimeStrategy",
                  "itemValue": "SINGLETON",
                  "itemType": "java.lang.String"
                },
                {
                  "itemName": "MergeMode",
                  "itemValue": "MERGE_COLLECTIONS",
                  "itemType": "java.lang.String"
                },
                {
                  "itemName": "KBase",
                  "itemValue": "",
                  "itemType": "java.lang.String"
                },
                {
                  "itemName": "KSession",
                  "itemValue": "",
                  "itemType": "java.lang.String"
                }
              ],
              "messages": [
                {
                  "severity": "INFO",
                  "timestamp": {
                    "java.util.Date": 1538504619749
                  },
                  "content": [
                    "Container command-script-container successfully created with module com.redhat:Project1:1.0."
                  ]
                }
              ],
              "container-alias": null
            }
          ]
        }
      }
    }
  ]
}

CallContainerCommand Calls a KIE container and executes one or more runtime commands. For information about jBPM runtime commands, see Runtime commands in jBPM. Command attributes

Name	Description	Requirement
`container-id`	ID of the KIE container to be called	Required
`payload`	One or more commands in a `BatchExecutionCommand` wrapper to be executed on the KIE container	Required

Example REST request body (JSON)

{
  "commands" : [ {
    "call-container" : {
      "payload" : "{\n  \"lookup\" : \"defaultKieSession\",\n  \"commands\" : [ {\n    \"fire-all-rules\" : {\n      \"max\" : -1,\n      \"out-identifier\" : null\n    }\n  } ]\n}",
      "container-id" : "command-script-container"
    }
  } ]
}

Example Java client method

List<Command<?>> commands = new ArrayList<Command<?>>();
      BatchExecutionCommand batchExecution1 = commandsFactory.newBatchExecution(commands, "defaultKieSession");
      commands.add(commandsFactory.newFireAllRules());

      ServiceResponse<ExecutionResults> response1 = ruleClient.executeCommandsWithResults("command-script-container", batchExecution1);

Example server response (JSON)

{
  "response": [
    {
      "type": "SUCCESS",
      "msg": "Container command-script-container successfully called.",
      "result": "{\n  \"results\" : [ ],\n  \"facts\" : [ ]\n}"
    }
  ]
}

DisposeContainerCommand Disposes a specified KIE container in the KIE Server. Command attributes

Name	Description	Requirement
`container-id`	ID of the KIE container to be disposed	Required

Example REST request body (JSON)

{
  "commands" : [ {
    "dispose-container" : {
      "container-id" : "command-script-container"
    }
  } ]
}

Example Java client method

ServiceResponse<Void> response = kieServicesClient.disposeContainer("command-script-container");

Example server response (JSON)

{
  "response": [
    {
      "type": "SUCCESS",
      "msg": "Container command-script-container successfully disposed.",
      "result": null
    }
  ]
}

GetScannerInfoCommand Returns information about the KIE scanner used for automatic updates in a specified KIE container, if applicable. Command attributes

Name	Description	Requirement
`container-id`	ID of the KIE container where the KIE scanner is used	Required

Example REST request body (JSON)

{
  "commands" : [ {
    "get-scanner-info" : {
      "container-id" : "command-script-container"
    }
  } ]
}

Example Java client method

ServiceResponse<KieScannerResource> response = kieServicesClient.getScannerInfo("command-script-container");

Example server response (JSON)

{
  "response": [
    {
      "type": "SUCCESS",
      "msg": "Scanner info successfully retrieved",
      "result": {
        "kie-scanner": {
          "status": "DISPOSED",
          "poll-interval": null
        }
      }
    }
  ]
}

UpdateScannerCommand Starts or stops a KIE scanner that controls polling for updated KIE container deployments.

Avoid using a KIE scanner with business processes. Using a KIE scanner with processes can lead to unforeseen updates that can then cause errors in long-running processes when changes are not compatible with running process instances.

Command attributes

Name	Description	Requirement
`container-id`	ID of the KIE container where the KIE scanner is used	Required
`status`	Status to be set on the KIE scanner (`STARTED`, `STOPPED`)	Required
`poll-interval`	Permitted polling duration in milliseconds	Required only when starting scanner

Example REST request body (JSON)

{
  "commands" : [ {
    "update-scanner" : {
      "scanner" : {
        "status" : "STARTED",
        "poll-interval" : 10000
      },
      "container-id" : "command-script-container"
    }
  } ]
}

Example Java client method

KieScannerResource scannerResource = new KieScannerResource();
scannerResource.setPollInterval(10000);
scannerResource.setStatus(KieScannerStatus. STARTED);

ServiceResponse<KieScannerResource> response = kieServicesClient.updateScanner("command-script-container", scannerResource);

Example server response (JSON)

{
  "response": [
    {
      "type": "SUCCESS",
      "msg": "Kie scanner successfully created.",
      "result": {
        "kie-scanner": {
          "status": "STARTED",
          "poll-interval": 10000
        }
      }
    }
  ]
}

UpdateReleaseIdCommand Updates the release ID data (group ID, artifact ID, version) for a specified KIE container. Command attributes

Name	Description	Requirement
`container-id`	ID of the KIE container to be updated	Required
`releaseId`	Updated GAV (group ID, artifact ID, version) data to be applied to the KIE container	Required

Example REST request body (JSON)

{
  "commands" : [ {
    "update-release-id" : {
      "releaseId" : {
        "version" : "1.1",
        "group-id" : "com.redhat",
        "artifact-id" : "Project1"
      },
      "container-id" : "command-script-container"
    }
  } ]
}

Example Java client method

ServiceResponse<ReleaseId> response = kieServicesClient.updateReleaseId("command-script-container", "com.redhat:Project1:1.1");

Example server response (JSON)

{
  "response": [
    {
      "type": "SUCCESS",
      "msg": "Release id successfully updated",
      "result": {
        "release-id": {
          "group-id": "com.redhat",
          "artifact-id": "Project1",
          "version": "1.1"
        }
      }
    }
  ]
}

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KIE Server and KIE container commands in jBPM

Sample KIE Server and KIE container commands

​Sample KIE Server and KIE container commands

Sample KIE Server and KIE container commands