zeebe-node
Version:
The Node.js client library for the Zeebe Workflow Automation Engine.
455 lines (454 loc) • 17.7 kB
TypeScript
/// <reference types="node" />
import { MaybeTimeDuration } from 'typed-duration';
import { IInputVariables, IProcessVariables, JSONDoc } from './interfaces-1.0';
/**
* Request object to send the broker to request jobs for the worker.
*/
export interface ActivateJobsRequest {
/**
* The job type, as defined in the BPMN process (e.g. <zeebe:taskDefinition
* type="payment-service" />)
*/
type: string;
/** The name of the worker activating the jobs, mostly used for logging purposes */
worker: string;
/**
* The duration the broker allows for jobs activated by this call to complete
* before timing them out releasing them for retry on the broker.
* The broker checks time outs every 30 seconds, so the broker timeout is guaranteed in at-most timeout + 29s
* be guaranteed.
*/
timeout: MaybeTimeDuration;
/**
* The maximum jobs to activate by this request
*/
maxJobsToActivate: number;
/**
* A list of variables to fetch as the job variables; if empty, all visible variables at
* the time of activation for the scope of the job will be returned
*/
fetchVariable?: string[];
/**
* The request will be completed when atleast one job is activated or after the requestTimeout.
* if the requestTimeout = 0, the request will be completed after a default configured timeout in the broker.
* To immediately complete the request when no job is activated set the requestTimeout to a negative value
*
*/
requestTimeout: MaybeTimeDuration;
}
export interface ActivatedJob {
/** The key, a unique identifier for the job */
readonly key: string;
/**
* The job type, as defined in the BPMN process (e.g. <zeebe:taskDefinition
* type="payment-service" />)
*/
readonly type: string;
/** The job's process instance key */
readonly processInstanceKey: string;
/** The bpmn process ID of the job process definition */
readonly bpmnProcessId: string;
/** The version of the job process definition */
readonly processDefinitionVersion: number;
/** The key of the job process definition */
readonly processDefinitionKey: string;
/** The associated task element ID */
readonly elementId: string;
/**
* The unique key identifying the associated task, unique within the scope of the
* process instance
*/
readonly elementInstanceKey: string;
/**
* A set of custom headers defined during modelling
*/
readonly customHeaders: string;
/** The name of the worker that activated this job */
readonly worker: string;
readonly retries: number;
/**
* When the job will timeout on the broker if it is not completed by this worker.
* In epoch milliseconds
*/
readonly deadline: string;
/**
* All visible variables in the task scope, computed at activation time, constrained by any
* fetchVariables value in the ActivateJobRequest.
*/
readonly variables: string;
}
export interface ActivateJobsResponse {
jobs: ActivatedJob[];
}
export interface CreateProcessInstanceBaseRequest {
/** the BPMN process ID of the process definition */
bpmnProcessId: string;
/** the version of the process; if not specified it will use the latest version */
version?: number;
/** JSON document that will instantiate the variables for the root variable scope of the
* process instance.
*/
variables: string;
}
export interface CreateProcessInstanceRequest extends CreateProcessInstanceBaseRequest {
/**
* List of start instructions. If empty (default) the process instance
* will start at the start event. If non-empty the process instance will apply start
* instructions after it has been created
*/
startInstructions: ProcessInstanceCreationStartInstruction[];
}
export interface ProcessInstanceCreationStartInstruction {
/** future extensions might include
* - different types of start instructions
* - ability to set local variables for different flow scopes
* for now, however, the start instruction is implicitly a
* "startBeforeElement" instruction
*/
elementId: string;
}
export interface CreateProcessInstanceResponse {
/**
* The unique key identifying the process definition (e.g. returned from a process
* in the DeployProcessResponse message)
*/
readonly processDefinitionKey: string;
/**
* The BPMN process ID of the process definition
*/
readonly bpmnProcessId: string;
/**
* The version of the process; set to -1 to use the latest version
*/
readonly version: number;
/**
* Stringified JSON document that will instantiate the variables for the root variable scope of the
* process instance; it must be a JSON object, as variables will be mapped in a
* key-value fashion. e.g. { "a": 1, "b": 2 } will create two variables, named "a" and
* "b" respectively, with their associated values. [{ "a": 1, "b": 2 }] would not be a\
* valid argument, as the root of the JSON document is an array and not an object.
*/
readonly processInstanceKey: string;
}
export interface CreateProcessInstanceWithResultRequest {
request: CreateProcessInstanceBaseRequest;
/** timeout in milliseconds. the request will be closed if the process is not completed before the requestTimeout.
* if requestTimeout = 0, uses the generic requestTimeout configured in the gateway.
*/
requestTimeout: number;
/** list of names of variables to be included in `CreateProcessInstanceWithResultResponse.variables`.
* If empty, all visible variables in the root scope will be returned.
*/
fetchVariables?: string[];
}
export interface CreateProcessInstanceWithResultResponse<Result> {
processDefinitionKey: string;
bpmnProcessId: string;
version: number;
processInstanceKey: string;
variables: Result;
}
export declare enum PartitionBrokerRole {
LEADER = 0,
BROKER = 1,
INACTIVE = 2
}
export declare enum PartitionBrokerHealth {
HEALTHY = 0,
UNHEALTHY = 1,
DEAD = 2
}
export interface Partition {
partitionId: number;
role: PartitionBrokerRole;
health: PartitionBrokerHealth;
}
export interface BrokerInfo {
nodeId: number;
host: string;
port: number;
partitions: Partition[];
}
export interface TopologyResponse {
readonly brokers: BrokerInfo[];
readonly clusterSize: number;
readonly partitionsCount: number;
readonly replicationFactor: number;
readonly gatewayVersion: string;
}
export interface ProcessRequestObject {
name?: string;
definition: Buffer;
}
export interface ProcessMetadata {
readonly bpmnProcessId: string;
readonly version: number;
readonly processDefinitionKey: string;
readonly resourceName: string;
}
export interface DecisionMetadata {
dmnDecisionId: string;
dmnDecisionName: string;
version: number;
decisionKey: number;
dmnDecisionRequirementsId: string;
decisionRequirementsKey: number;
}
export interface DecisionRequirementsMetadata {
dmnDecisionRequirementsId: string;
dmnDecisionRequirementsName: string;
version: number;
decisionRequirementsKey: number;
resourceName: string;
}
export interface ProcessDeployment {
process: ProcessMetadata;
}
export interface DecisionDeployment {
decision: DecisionMetadata;
}
export interface DecisionRequirementsDeployment {
decisionRequirements: DecisionRequirementsMetadata;
}
export declare type Deployment = ProcessDeployment | DecisionDeployment | DecisionRequirementsDeployment;
export interface DeployResourceResponse<T> {
readonly key: number;
readonly deployments: T[];
}
export interface DeployResourceRequest {
resources: Resource[];
}
export interface Resource {
name: string;
content: Buffer;
}
export interface DeployProcessResponse {
readonly key: string;
readonly processes: ProcessMetadata[];
}
export interface DeployProcessRequest {
readonly processes: ProcessRequestObject[];
}
export interface ListProcessResponse {
readonly processes: ProcessMetadata[];
}
export interface PublishMessageRequest<Variables = IInputVariables> {
/** Should match the "Message Name" in a BPMN Message Catch */
name: string;
/** The value to match with the field specified as "Subscription Correlation Key" in BPMN */
correlationKey: string;
/** The number of seconds for the message to buffer on the broker, awaiting correlation. Omit or set to zero for no buffering. */
timeToLive?: MaybeTimeDuration;
/** Unique ID for this message */
messageId?: string;
variables?: Variables;
}
export interface PublishMessageResponse {
key: number;
}
export interface PublishStartMessageRequest<Variables = IProcessVariables> {
/** Should match the "Message Name" in a BPMN Message Catch */
name: string;
/** The number of seconds for the message to buffer on the broker, awaiting correlation. Omit or set to zero for no buffering. */
timeToLive: MaybeTimeDuration;
/** Unique ID for this message */
messageId?: string;
correlationKey?: string;
variables: Variables;
}
export interface UpdateJobRetriesRequest {
readonly jobKey: string;
retries: number;
}
export interface FailJobRequest {
readonly jobKey: string;
retries: number;
errorMessage: string;
retryBackOff: number;
}
export interface ThrowErrorRequest {
jobKey: string;
errorCode: string;
errorMessage?: string;
/**
* JSON document that will instantiate the variables at the local scope of the error catch
* event that catches the thrown error; it must be a JSON object, as variables will be mapped in a
* key-value fashion. e.g. { "a": 1, "b": 2 } will create two variables, named "a" and
* "b" respectively, with their associated values. [{ "a": 1, "b": 2 }] would not be a
* valid argument, as the root of the JSON document is an array and not an object.
*/
variables?: JSONDoc;
}
export interface CompleteJobRequest<Variables = IProcessVariables> {
readonly jobKey: string;
variables: Variables;
}
export interface SetVariablesRequest<Variables = IProcessVariables> {
readonly elementInstanceKey: string;
variables: Partial<Variables>;
/**
* if true, the variables will be merged strictly into the local scope (as indicated by
* elementInstanceKey); this means the variables is not propagated to upper scopes.
* for example, let's say we have two scopes, '1' and '2', with each having effective variables as:
* 1 => `{ "foo" : 2 }`, and 2 => `{ "bar" : 1 }`. if we send an update request with
* elementInstanceKey = 2, variables `{ "foo" : 5 }`, and local is true, then scope 1 will
* be unchanged, and scope 2 will now be `{ "bar" : 1, "foo" 5 }`. if local was false, however,
* then scope 1 would be `{ "foo": 5 }`, and scope 2 would be `{ "bar" : 1 }`.
*/
local: boolean;
}
export interface ResolveIncidentRequest {
readonly incidentKey: string;
}
export interface ActivateInstruction {
/** the id of the element that should be activated */
elementId: string;
/** the key of the ancestor scope the element instance should be created in;
* set to -1 to create the new element instance within an existing element
* instance of the flow scope
*/
ancestorElementInstanceKey: string;
/** instructions describing which variables should be created */
variableInstructions: VariableInstruction[];
}
export interface VariableInstruction {
/** JSON document that will instantiate the variables for the root variable scope of the
* process instance; it must be a JSON object, as variables will be mapped in a
* key-value fashion. e.g. { "a": 1, "b": 2 } will create two variables, named "a" and
* "b" respectively, with their associated values. [{ "a": 1, "b": 2 }] would not be a
* valid argument, as the root of the JSON document is an array and not an object.
*/
variables: JSONDoc;
/** the id of the element in which scope the variables should be created;
* leave empty to create the variables in the global scope of the process instance
*/
scopeId: string;
}
export interface TerminateInstruction {
/** the id of the element that should be terminated */
elementInstanceKey: string;
}
export interface ModifyProcessInstanceRequest {
/** the key of the process instance that should be modified */
processInstanceKey: string;
/** instructions describing which elements should be activated in which scopes,
* and which variables should be created
*/
activateInstructions?: ActivateInstruction[];
/** instructions describing which elements should be terminated */
terminateInstructions?: TerminateInstruction[];
}
export interface ModifyProcessInstanceResponse {
}
export declare type EvaluateDecisionRequest = {
/** the unique key identifying the decision to be evaluated (e.g. returned
* from a decision in the DeployResourceResponse message)
*/
decisionKey: string;
/** JSON document that will instantiate the variables for the decision to be
* evaluated; it must be a JSON object, as variables will be mapped in a
* key-value fashion, e.g. { "a": 1, "b": 2 } will create two variables,
* named "a" and "b" respectively, with their associated values.
* [{ "a": 1, "b": 2 }] would not be a valid argument, as the root of the
* JSON document is an array and not an object.
*/
variables: JSONDoc;
} | {
/** the ID of the decision to be evaluated */
decisionId: string;
/** JSON document that will instantiate the variables for the decision to be
* evaluated; it must be a JSON object, as variables will be mapped in a
* key-value fashion, e.g. { "a": 1, "b": 2 } will create two variables,
* named "a" and "b" respectively, with their associated values.
* [{ "a": 1, "b": 2 }] would not be a valid argument, as the root of the
* JSON document is an array and not an object.
*/
variables: JSONDoc;
};
export interface EvaluateDecisionResponse {
/** the unique key identifying the decision which was evaluated (e.g. returned
* from a decision in the DeployResourceResponse message)
*/
decisionKey: string;
/** the ID of the decision which was evaluated */
decisionId: string;
/** the name of the decision which was evaluated */
decisionName: string;
/** the version of the decision which was evaluated */
decisionVersion: number;
/** the ID of the decision requirements graph that the decision which was
* evaluated is part of.
*/
decisionRequirementsId: string;
/** the unique key identifying the decision requirements graph that the
* decision which was evaluated is part of.
*/
decisionRequirementsKey: string;
/** JSON document that will instantiate the result of the decision which was
* evaluated; it will be a JSON object, as the result output will be mapped
* in a key-value fashion, e.g. { "a": 1 }.
*/
decisionOutput: string;
/** a list of decisions that were evaluated within the requested decision evaluation */
evaluatedDecisions: EvaluatedDecision[];
/** an optional string indicating the ID of the decision which
* failed during evaluation
*/
failedDecisionId: string;
/** an optional message describing why the decision which was evaluated failed */
failureMessage: string;
}
export interface EvaluatedDecision {
/** the unique key identifying the decision which was evaluated (e.g. returned
* from a decision in the DeployResourceResponse message)
*/
decisionKey: string;
/** the ID of the decision which was evaluated */
decisionId: string;
/** the name of the decision which was evaluated */
decisionName: string;
/** the version of the decision which was evaluated */
decisionVersion: number;
/** the type of the decision which was evaluated */
decisionType: string;
/** JSON document that will instantiate the result of the decision which was
* evaluated; it will be a JSON object, as the result output will be mapped
* in a key-value fashion, e.g. { "a": 1 }.
*/
decisionOutput: string;
/** the decision rules that matched within this decision evaluation */
matchedRules: MatchedDecisionRule[];
/** the decision inputs that were evaluated within this decision evaluation */
evaluatedInputs: EvaluatedDecisionInput[];
}
export interface EvaluatedDecisionInput {
/** the id of the evaluated decision input */
inputId: string;
/** the name of the evaluated decision input */
inputName: string;
/** the value of the evaluated decision input */
inputValue: string;
}
export interface EvaluatedDecisionOutput {
/** the id of the evaluated decision output */
outputId: string;
/** the name of the evaluated decision output */
outputName: string;
/** the value of the evaluated decision output */
outputValue: string;
}
export interface MatchedDecisionRule {
/** the id of the matched rule */
ruleId: string;
/** the index of the matched rule */
ruleIndex: number;
/** the evaluated decision outputs */
evaluatedOutputs: EvaluatedDecisionOutput[];
}
export interface BroadcastSignalRequest {
signalName: string;
variables: string;
}
export interface BroadcastSignalResponse {
key: string;
}