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Add Group task option

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This commit is contained in:
Ken Hibino 2022-03-04 11:51:08 -08:00
parent 1608366032
commit 2ce71e83b0
1 changed files with 16 additions and 1 deletions
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17
client.go
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@ -48,6 +48,7 @@ const (
ProcessInOpt
TaskIDOpt
RetentionOpt
GroupOpt
)
// Option specifies the task processing behavior.
@ -73,6 +74,7 @@ type (
processAtOption time.Time
processInOption time.Duration
retentionOption time.Duration
groupOption string
)
// MaxRetry returns an option to specify the max number of times
@ -142,7 +144,8 @@ func (t deadlineOption) Value() interface{} { return time.Time(t) }
// Unique returns an option to enqueue a task only if the given task is unique.
// Task enqueued with this option is guaranteed to be unique within the given ttl.
// Once the task gets processed successfully or once the TTL has expired, another task with the same uniqueness may be enqueued.
// Once the task gets processed successfully or once the TTL has expired,
// another task with the same uniqueness may be enqueued.
// ErrDuplicateTask error is returned when enqueueing a duplicate task.
// TTL duration must be greater than or equal to 1 second.
//
@ -193,6 +196,18 @@ func (ttl retentionOption) String() string { return fmt.Sprintf("Retention(%
func (ttl retentionOption) Type() OptionType { return RetentionOpt }
func (ttl retentionOption) Value() interface{} { return time.Duration(ttl) }
// Group returns an option to specify the group key used for the task.
// Tasks in a given queue with the same group key will be aggregated into one task before passed to Handler.
//
// To customize the aggregation and grouping policy, specify the Group* fields in Config.
func Group(key string) Option {
return groupOption(key)
}
func (key groupOption) String() string { return fmt.Sprintf("Group(%q)", string(key)) }
func (key groupOption) Type() OptionType { return GroupOpt }
func (key groupOption) Value() interface{} { return string(key) }
// ErrDuplicateTask indicates that the given task could not be enqueued since it's a duplicate of another task.
//
// ErrDuplicateTask error only applies to tasks enqueued with a Unique option.