processor

Documentation

Index

• type Context
  • func (c *Context) Complete(query QueryComplete) error
  • func (c *Context) HandleBPMNError(query QueryHandleBPMNError) error
  • func (c *Context) HandleFailure(query QueryHandleFailure) error
• type Handler
• type Processor
  • func NewProcessor(client *camunda_client_go.Client, options *ProcessorOptions, ...) *Processor
  • func (p *Processor) AddHandler(topics *[]camunda_client_go.QueryFetchAndLockTopic, handler Handler)
• type ProcessorOptions
• type QueryComplete
• type QueryHandleBPMNError
• type QueryHandleFailure

Types

type Context

type Context struct {
	Task *camunda_client_go.ResLockedExternalTask
	// contains filtered or unexported fields
}

Context external task context

func (*Context) Complete

func (c *Context) Complete(query QueryComplete) error

Complete a mark external task is complete

func (*Context) HandleBPMNError

func (c *Context) HandleBPMNError(query QueryHandleBPMNError) error

HandleBPMNError handle external task BPMN error

func (*Context) HandleFailure

func (c *Context) HandleFailure(query QueryHandleFailure) error

HandleFailure handle external task failure

type Handler

type Handler func(ctx *Context) error

Handler a handler for external task

type Processor

type Processor struct {
	// contains filtered or unexported fields
}

Processor external task processor

func NewProcessor

func NewProcessor(client *camunda_client_go.Client, options *ProcessorOptions, logger func(err error)) *Processor

NewProcessor a create new instance Processor

func (*Processor) AddHandler

func (p *Processor) AddHandler(topics *[]camunda_client_go.QueryFetchAndLockTopic, handler Handler)

AddHandler a add handler for external task

type ProcessorOptions

type ProcessorOptions struct {
	// workerId for all request (default: `worker-{random_int}`)
	WorkerId string
	// lock duration for all external task
	LockDuration time.Duration
	// maximum tasks to receive for 1 request to camunda
	MaxTasks int
	// maximum running parallel task per handler
	MaxParallelTaskPerHandler int
	// use priority
	UsePriority *bool
	// long polling timeout
	AsyncResponseTimeout *int
}

ProcessorOptions options for Processor

type QueryComplete

type QueryComplete struct {
	// A JSON object containing variable key-value pairs
	Variables *map[string]camunda_client_go.Variable `json:"variables"`
	// A JSON object containing variable key-value pairs.
	// Local variables are set only in the scope of external task
	LocalVariables *map[string]camunda_client_go.Variable `json:"localVariables"`
}

QueryComplete a query for Complete request

type QueryHandleBPMNError

type QueryHandleBPMNError struct {
	// An error code that indicates the predefined error. Is used to identify the BPMN error handler
	ErrorCode *string `json:"errorCode,omitempty"`
	// An error message that describes the error
	ErrorMessage *string `json:"errorMessage,omitempty"`
	// A JSON object containing the variables which will be passed to the execution.
	// Each key corresponds to a variable name and each value to a variable value
	Variables *map[string]camunda_client_go.Variable `json:"variables"`
}

QueryHandleBPMNError a query for HandleBPMNError request

type QueryHandleFailure

type QueryHandleFailure struct {
	// An message indicating the reason of the failure
	ErrorMessage *string `json:"errorMessage,omitempty"`
	// A detailed error description
	ErrorDetails *string `json:"errorDetails,omitempty"`
	// A number of how often the task should be retried.
	// Must be >= 0. If this is 0, an incident is created and the task cannot be fetched anymore unless
	// the retries are increased again. The incident's message is set to the errorMessage parameter
	Retries *int `json:"retries,omitempty"`
	// A timeout in milliseconds before the external task becomes available again for fetching. Must be >= 0
	RetryTimeout *int `json:"retryTimeout,omitempty"`
}

QueryHandleFailure a query for HandleFailure request