store

package
v0.2.1 Latest Latest
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 Go to latest Published: Mar 13, 2026 License: Apache-2.0 Imports: 11 Imported by: 0

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Index

Constants

View Source 
const ConsumerGroup = "dureq_workers"

Consumer group names

View Source 
const OrchestratorConsumerGroup = "dureq_orchestrator"

Variables

View Source 
var (
	ErrCASConflict   = errors.New("dureq: CAS conflict")
	ErrAlreadyExists = errors.New("dureq: already exists")
)

Sentinel errors for the Redis store.

Functions

func BatchDeadlinesKey added in v0.2.0 

func BatchDeadlinesKey(prefix string) string

func BatchKey 

func BatchKey(prefix, id string) string

Batches

func BatchPayloadKey 

func BatchPayloadKey(prefix, id string) string

func BatchResultKey 

func BatchResultKey(prefix, batchID, itemID string) string

Batch Results

func BatchResultsSetKey 

func BatchResultsSetKey(prefix, batchID string) string

func BatchesByCreatedKey 

func BatchesByCreatedKey(prefix string) string

func BatchesByStatusKey 

func BatchesByStatusKey(prefix, status string) string

func CancelChannelKey 

func CancelChannelKey(prefix string) string

Task Cancellation Pub/Sub

func CancelFlagKey added in v0.2.1 

func CancelFlagKey(prefix, runID string) string

Durable Cancel Flag (per-run, SET with EX for auto-cleanup)

func ConcurrencySlotKey added in v0.2.0 

func ConcurrencySlotKey(prefix, concKey string) string

Concurrency slots (sorted set: member=runID, score=acquireTime) Hash-tagged with {concKey} for Redis Cluster slot co-location.

func DLQStreamKey 

func DLQStreamKey(prefix string) string

DLQ

func DailyStatsKey 

func DailyStatsKey(prefix, date string) string

Daily Stats

func DedupKey 

func DedupKey(prefix, runID string) string

Deduplication

func DelayedKey 

func DelayedKey(prefix, tierName string) string

func ElectionEpochKey added in v0.1.3 

func ElectionEpochKey(prefix string) string

func ElectionLeaderKey 

func ElectionLeaderKey(prefix string) string

Election Election keys use {election} hash tag so both land in the same Redis Cluster slot, enabling multi-key Lua scripts (elect + refresh with epoch).

func EventsBatchChannel 

func EventsBatchChannel(prefix, batchID string) string

func EventsPubSubChannel 

func EventsPubSubChannel(prefix string) string

Events

func EventsStreamKey 

func EventsStreamKey(prefix string) string

func FiringDedupKey added in v0.2.1 

func FiringDedupKey(prefix, firingID string) string

Firing Dedup (prevents duplicate dispatch of the same schedule firing under leader failover)

func GroupMessagesKey 

func GroupMessagesKey(prefix, group string) string

GroupMessagesKey stores the list of messages for a specific group.

func GroupMetaKey 

func GroupMetaKey(prefix, group string) string

GroupMetaKey stores group metadata (first_added, last_added timestamps).

func GroupSetKey 

func GroupSetKey(prefix string) string

GroupSetKey stores the sorted set of groups with their first-added timestamp.

func HistoryEventKey 

func HistoryEventKey(prefix, eventID string) string

func HistoryEventsByJobKey 

func HistoryEventsByJobKey(prefix, jobID string) string

func HistoryEventsByTypeKey 

func HistoryEventsByTypeKey(prefix, eventType string) string

func HistoryEventsKey 

func HistoryEventsKey(prefix string) string

func HistoryRunKey 

func HistoryRunKey(prefix, runID string) string

func HistoryRunsByJobKey 

func HistoryRunsByJobKey(prefix, jobID string) string

func HistoryRunsByStatusKey 

func HistoryRunsByStatusKey(prefix, status string) string

func HistoryRunsKey 

func HistoryRunsKey(prefix string) string

History

func JobAuditKey added in v0.1.3 

func JobAuditKey(prefix, jobID string) string

Job Audit Trail (per-job state transition history)

func JobKey 

func JobKey(prefix, id string) string

Key patterns for all Redis data structures. Jobs

func JobNotifyChannel 

func JobNotifyChannel(prefix string) string

Job Notification Pub/Sub (dureqv2 actor dispatch)

func JobPayloadKey 

func JobPayloadKey(prefix, id string) string

JSON Payload mirrors (RedisJSON) — used for JSONPath-based search.

func JobsByBatchKey 

func JobsByBatchKey(prefix, batchID string) string

func JobsByCreatedKey 

func JobsByCreatedKey(prefix string) string

func JobsByStatusKey 

func JobsByStatusKey(prefix, status string) string

func JobsByTagKey 

func JobsByTagKey(prefix, tag string) string

func JobsByTaskTypeKey 

func JobsByTaskTypeKey(prefix, taskType string) string

func JobsByWorkflowKey 

func JobsByWorkflowKey(prefix, wfID string) string

func LockKey 

func LockKey(prefix, key string) string

Locks

func LuaExtendLockScript 

func LuaExtendLockScript() string

func LuaFlushGroupScript added in v0.1.3 

func LuaFlushGroupScript() string

func LuaLeaderElectWithEpochScript added in v0.1.3 

func LuaLeaderElectWithEpochScript() string

func LuaLeaderRefreshScript 

func LuaLeaderRefreshScript() string

func LuaLeaderRefreshWithEpochScript added in v0.1.3 

func LuaLeaderRefreshWithEpochScript() string

func LuaUnlockIfOwnerScript 

func LuaUnlockIfOwnerScript() string

func NodeDrainKey added in v0.1.3 

func NodeDrainKey(prefix, nodeID string) string

Node Drain Flag

func NodeKey 

func NodeKey(prefix, nodeID string) string

Nodes

func NodesAllKey 

func NodesAllKey(prefix string) string

func OverlapBufferListKey 

func OverlapBufferListKey(prefix, jobID string) string

func OverlapBufferedKey 

func OverlapBufferedKey(prefix, jobID string) string

Overlap buffer (schedule overlap policy)

func ParseRedisInfo 

func ParseRedisInfo(raw string) map[string]map[string]string

ParseRedisInfo parses raw Redis INFO output into a map of sections.

func QueuePausedKey 

func QueuePausedKey(prefix, tierName string) string

Queue Pause (hash-tagged with tier for cluster slot co-location)

func RequestDedupKey added in v0.1.3 

func RequestDedupKey(prefix, reqID string) string

func ResultKey 

func ResultKey(prefix, jobID string) string

Results

func ResultNotifyChannel 

func ResultNotifyChannel(prefix, jobID string) string

func RunKey 

func RunKey(prefix, runID string) string

Runs

func RunsActiveByJobKey 

func RunsActiveByJobKey(prefix, jobID string) string

func RunsActiveKey 

func RunsActiveKey(prefix string) string

func RunsByJobKey 

func RunsByJobKey(prefix, jobID string) string

func ScheduleKey 

func ScheduleKey(prefix, jobID string) string

Schedules

func SchedulesByNextKey 

func SchedulesByNextKey(prefix string) string

func SchedulesDueKey 

func SchedulesDueKey(prefix string) string

func SideEffectKey added in v0.2.0 

func SideEffectKey(prefix, runID, stepKey string) string

Side-effect steps (per-run, single-key for Cluster compatibility)

func SignalDedupKey added in v0.2.0 

func SignalDedupKey(prefix, wfID, dedupeKey string) string

Signal dedup key (SET NX with TTL)

func TiersKey 

func TiersKey(prefix string) string

func UniqueKeyKey 

func UniqueKeyKey(prefix, uniqueKey string) string

func WorkMessageFromStreamValues 

func WorkMessageFromStreamValues(values map[string]string) types.WorkMessage

WorkMessageFromStreamValues constructs a WorkMessage from Redis stream field map.

func WorkStreamKey 

func WorkStreamKey(prefix, tierName string) string

Work Streams (per tier) Hash-tagged keys: {tierName} ensures delayed + work + paused co-locate to the same Redis Cluster slot, enabling multi-key Lua scripts.

func WorkflowArchiveKey added in v0.2.0 

func WorkflowArchiveKey(prefix, wfID string) string

Workflow Task Archive (hash: field=taskName, value=taskStateJSON)

func WorkflowDeadlinesKey added in v0.2.0 

func WorkflowDeadlinesKey(prefix string) string

Deadline indexes (sorted set: score=deadline unix, member=ID)

func WorkflowEventsKey added in v0.1.3 

func WorkflowEventsKey(prefix, wfID string) string

Per-Workflow Event Index (sorted set: score=timestamp, member=event stream ID)

func WorkflowKey 

func WorkflowKey(prefix, id string) string

Workflows

func WorkflowPayloadKey 

func WorkflowPayloadKey(prefix, id string) string

func WorkflowSignalStreamKey added in v0.1.3 

func WorkflowSignalStreamKey(prefix, wfID string) string

Workflow Signals

func WorkflowsByCreatedKey 

func WorkflowsByCreatedKey(prefix string) string

func WorkflowsByStatusKey 

func WorkflowsByStatusKey(prefix, status string) string

Types

type AuditEntry added in v0.1.3 

type AuditEntry struct {
	ID        string    `json:"id"`
	Status    string    `json:"status"`
	Error     string    `json:"error,omitempty"`
	Timestamp time.Time `json:"timestamp"`
}

AuditEntry represents a single state transition in a job's audit trail.

type BatchFilter 

type BatchFilter struct {
	Name   *string
	Status *types.WorkflowStatus
	Sort   string // "newest" or "oldest"
	Limit  int
	Offset int
}

BatchFilter specifies criteria for listing batch instances.

type CompletionBatch 

type CompletionBatch struct {
	Run            *types.JobRun
	Event          types.JobEvent
	Result         types.WorkResult
	DailyStatField string // "processed" or "failed"
	AckTierName    string // tier name for XACK (v1 only, empty for v2)
	AckMessageID   string // stream message ID for XACK (v1 only)

	// ResultTTLOverride, if > 0, overrides the default ResultTTL for this result.
	// Used by workflow tasks to extend result lifetime to match the workflow deadline.
	ResultTTLOverride time.Duration
}

CompletionBatch holds pre-computed data for a batched job completion write.

type DailyStats 

type DailyStats struct {
	Date      string `json:"date"`
	Processed int64  `json:"processed"`
	Failed    int64  `json:"failed"`
}

DailyStats holds processed/failed counts for a single date.

type DelayedPoller 

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

DelayedPoller polls delayed sorted sets and moves ripe messages back to work streams.

func NewDelayedPoller 

func NewDelayedPoller(store *RedisStore, logger chainedlog.Logger) *DelayedPoller

NewDelayedPoller creates a delayed retry poller.

func (*DelayedPoller) Start 

func (p *DelayedPoller) Start(ctx context.Context)

Start begins polling in the background. Blocks until ctx is cancelled.

type EventFilter 

type EventFilter struct {
	JobID     *string
	EventType *types.EventType
	Since     *time.Time
	Until     *time.Time
	Limit     int
	Offset    int
}

EventFilter specifies criteria for listing job events.

type JobFilter 

type JobFilter struct {
	Status   *types.JobStatus
	TaskType *types.TaskType
	Tag      *string
	Search   *string // substring match on ID or TaskType
	Sort     string  // "newest" or "oldest"
	Limit    int
	Offset   int
}

JobFilter specifies criteria for listing active jobs.

type JobStats 

type JobStats struct {
	TotalJobs   int64                     `json:"total_jobs"`
	TotalRuns   int64                     `json:"total_runs"`
	ByStatus    map[types.JobStatus]int64 `json:"by_status"`
	ByTaskType  map[types.TaskType]int64  `json:"by_task_type"`
	AvgDuration time.Duration             `json:"avg_duration"`
	SuccessRate float64                   `json:"success_rate"`
	FailureRate float64                   `json:"failure_rate"`
}

JobStats holds aggregated statistics.

type RedisStore 

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

RedisStore manages all dureq state in Redis, replacing both NATSStore and HistoryStore.

func NewRedisStore 

func NewRedisStore(rdb rueidis.Client, cfg RedisStoreConfig, logger chainedlog.Logger) (*RedisStore, error)

NewRedisStore creates a new Redis store and registers tier configuration.

func (*RedisStore) AckMessage 

func (s *RedisStore) AckMessage(ctx context.Context, tierName, messageID string) error

AckMessage acknowledges a message in a tier's consumer group.

func (*RedisStore) AckSignals added in v0.2.0 

func (s *RedisStore) AckSignals(ctx context.Context, workflowID string, streamIDs []string) error

AckSignals deletes processed signal entries from the workflow signal stream. Call this after successfully handling signals returned by ReadSignals.

func (*RedisStore) AcquireConcurrencySlot added in v0.2.0 

func (s *RedisStore) AcquireConcurrencySlot(ctx context.Context, concKey, runID string, maxConcurrency int) (bool, error)

AcquireConcurrencySlot tries to acquire a concurrency slot for the given run. Returns true if the slot was acquired, false if at capacity.

func (*RedisStore) AddDelayed 

func (s *RedisStore) AddDelayed(ctx context.Context, tierName string, wm *types.WorkMessage, executeAt time.Time) error

AddDelayed adds a work message to the delayed sorted set for future re-dispatch.

func (*RedisStore) AddToGroup 

func (s *RedisStore) AddToGroup(ctx context.Context, group string, msg types.GroupMessage) (int64, error)

AddToGroup adds a message to a named group. Returns the current group size.

func (*RedisStore) CancelChannel 

func (s *RedisStore) CancelChannel() string

CancelChannel returns the Redis Pub/Sub channel name used for task cancellation signals.

func (*RedisStore) CheckUniqueKey 

func (s *RedisStore) CheckUniqueKey(ctx context.Context, uniqueKey string) (string, bool, error)

CheckUniqueKey checks whether a unique key is claimed. Returns (jobID, exists, error).

func (*RedisStore) ClaimSideEffect added in v0.2.0 

func (s *RedisStore) ClaimSideEffect(ctx context.Context, runID, stepKey string, ttlSeconds int) (string, bool, error)

ClaimSideEffect atomically claims a side-effect step for the given run. Returns (result, true) if the step was already completed (cached result), or ("", false) if the step was newly claimed and the caller should execute.

func (*RedisStore) ClaimStaleMessages 

func (s *RedisStore) ClaimStaleMessages(ctx context.Context, tierName, consumerName string, minIdleTime time.Duration, count int64) ([]rueidis.XRangeEntry, error)

ClaimStaleMessages reclaims messages that have been pending longer than minIdleTime. This handles worker crashes — other nodes pick up abandoned work.

func (*RedisStore) Cleanup 

func (s *RedisStore) Cleanup(ctx context.Context, olderThan time.Time) (int64, error)

Cleanup removes history entries older than the given time.

func (*RedisStore) ClearCancelFlag added in v0.2.1 

func (s *RedisStore) ClearCancelFlag(ctx context.Context, runID string)

ClearCancelFlag removes the durable cancel flag after a run completes.

func (*RedisStore) Client 

func (s *RedisStore) Client() rueidis.Client

func (*RedisStore) Close 

func (s *RedisStore) Close() error

func (*RedisStore) CompactWorkflowTasks added in v0.2.0 

func (s *RedisStore) CompactWorkflowTasks(ctx context.Context, wf *types.WorkflowInstance, keep int) (int, error)

CompactWorkflowTasks moves completed tasks exceeding the threshold to the archive hash. Only non-terminal + the most recent `keep` completed tasks remain in the main Tasks map.

func (*RedisStore) CompleteRun 

func (s *RedisStore) CompleteRun(ctx context.Context, batch *CompletionBatch) error

CompleteRun performs SaveRun + SaveJobRun + DeleteRun + IncrDailyStat + PublishEvent + PublishResult + AckMessage. Slot-targeted commands are pipelined via DoMulti; PUBLISH (no-slot) commands are sent separately for Redis Cluster compatibility.

func (*RedisStore) CompleteSideEffect added in v0.2.0 

func (s *RedisStore) CompleteSideEffect(ctx context.Context, runID, stepKey string, result string) error

CompleteSideEffect marks a side-effect step as done and stores the result.

func (*RedisStore) ConcurrencySlotCount added in v0.2.0 

func (s *RedisStore) ConcurrencySlotCount(ctx context.Context, concKey string) (int64, error)

ConcurrencySlotCount returns the current number of active slots for a concurrency key.

func (*RedisStore) Config 

func (s *RedisStore) Config() RedisStoreConfig

func (*RedisStore) ConsumeSignals added in v0.1.3 

func (s *RedisStore) ConsumeSignals(ctx context.Context, workflowID string) ([]types.WorkflowSignal, error)

ConsumeSignals reads and acknowledges all pending signals for a workflow. Deprecated: Use ReadSignals + AckSignals for crash-safe signal processing. This method is retained for backward compatibility but is lossy — if the caller crashes after this call returns, the signals are permanently lost.

func (*RedisStore) CreateJob 

func (s *RedisStore) CreateJob(ctx context.Context, job *types.Job) (uint64, error)

CreateJob atomically creates a job only if it doesn't already exist. Secondary indexes are added individually after creation.

func (*RedisStore) DeleteBatch 

func (s *RedisStore) DeleteBatch(ctx context.Context, batchID string) error

DeleteBatch removes a batch instance, all indexes, and associated data (batch item results, JSON mirror).

func (*RedisStore) DeleteGroupMessages added in v0.1.10 

func (s *RedisStore) DeleteGroupMessages(ctx context.Context, group string)

DeleteGroupMessages atomically deletes all messages for a group and cleans up metadata. Should be called only after successful processing of ReadGroup results.

func (*RedisStore) DeleteJob 

func (s *RedisStore) DeleteJob(ctx context.Context, jobID string) error

DeleteJob removes a job and cleans all secondary indexes individually.

func (*RedisStore) DeleteJobAuditTrail added in v0.1.3 

func (s *RedisStore) DeleteJobAuditTrail(ctx context.Context, jobID string)

DeleteJobAuditTrail removes the audit stream for a job (cleanup).

func (*RedisStore) DeleteRun 

func (s *RedisStore) DeleteRun(ctx context.Context, runID string) error

DeleteRun removes a run and cleans its indexes.

func (*RedisStore) DeleteSchedule 

func (s *RedisStore) DeleteSchedule(ctx context.Context, jobID string) error

DeleteSchedule removes a schedule and its index entry.

func (*RedisStore) DeleteSignalStream added in v0.1.3 

func (s *RedisStore) DeleteSignalStream(ctx context.Context, workflowID string)

DeleteSignalStream removes the signal stream for a workflow (cleanup).

func (*RedisStore) DeleteUniqueKey 

func (s *RedisStore) DeleteUniqueKey(ctx context.Context, uniqueKey string) error

DeleteUniqueKey releases a unique key.

func (*RedisStore) DeleteWorkflow 

func (s *RedisStore) DeleteWorkflow(ctx context.Context, id string) error

DeleteWorkflow removes a workflow instance, all indexes, and associated data (signal stream, event index, task archive, JSON mirror).

func (*RedisStore) DeleteWorkflowEvents added in v0.1.3 

func (s *RedisStore) DeleteWorkflowEvents(ctx context.Context, workflowID string)

DeleteWorkflowEvents removes the per-workflow event index (cleanup).

func (*RedisStore) DispatchToDLQ 

func (s *RedisStore) DispatchToDLQ(ctx context.Context, wm *types.WorkMessage) error

DispatchToDLQ adds a message to the dead letter queue stream.

func (*RedisStore) DispatchWork 

func (s *RedisStore) DispatchWork(ctx context.Context, tierName string, wm *types.WorkMessage) (string, error)

DispatchWork adds a work message to the tier-specific Redis Stream.

func (*RedisStore) EnsureStreams 

func (s *RedisStore) EnsureStreams(ctx context.Context) error

EnsureStreams creates consumer groups for all configured tier streams and the DLQ stream. Idempotent — ignores "BUSYGROUP" errors when group already exists.

func (*RedisStore) ExtendResultTTL added in v0.2.0 

func (s *RedisStore) ExtendResultTTL(ctx context.Context, jobID string, ttl time.Duration) error

ExtendResultTTL extends the TTL of a stored result. Used to extend result lifetime for workflow-associated jobs so results survive for the workflow's entire execution duration.

func (*RedisStore) FindBatchByPayloadPath 

func (s *RedisStore) FindBatchByPayloadPath(ctx context.Context, jsonPath string, value any) (*types.BatchInstance, uint64, error)

FindBatchByPayloadPath scans all batches and returns the first where onetime or any item Payload matches the given JSONPath + value.

func (*RedisStore) FindJobByPayloadPath 

func (s *RedisStore) FindJobByPayloadPath(ctx context.Context, jsonPath string, value any, taskType string) (*types.Job, uint64, error)

FindJobByPayloadPath scans jobs and returns the first whose Payload matches the given JSONPath + value. Uses RedisJSON's JSON.GET for native path extraction. If taskType is non-empty, only jobs of that type are scanned (via the by_task_type index).

func (*RedisStore) FindWorkflowByTaskPayloadPath 

func (s *RedisStore) FindWorkflowByTaskPayloadPath(ctx context.Context, jsonPath string, value any) (*types.WorkflowInstance, uint64, error)

FindWorkflowByTaskPayloadPath scans all workflows and returns the first where any task's Payload matches the given JSONPath + value.

func (*RedisStore) FlushGroup 

func (s *RedisStore) FlushGroup(ctx context.Context, group string) ([]types.GroupMessage, error)

FlushGroup atomically reads and deletes all messages from a group. Uses a single-key Lua script so that concurrent callers on different nodes are safe: only one caller will receive the messages; others get an empty result. Cleanup of the metadata hash and active set is done separately (idempotent).

func (*RedisStore) GetActiveJobStats 

func (s *RedisStore) GetActiveJobStats(ctx context.Context) (map[types.JobStatus]int, error)

GetActiveJobStats returns aggregated counts by job status (alias for monitor API).

func (*RedisStore) GetArchivedTask added in v0.2.0 

func (s *RedisStore) GetArchivedTask(ctx context.Context, wfID, taskName string) (*types.WorkflowTaskState, error)

GetArchivedTask retrieves a single archived task state from the archive hash.

func (*RedisStore) GetBatch 

func (s *RedisStore) GetBatch(ctx context.Context, batchID string) (*types.BatchInstance, uint64, error)

GetBatch retrieves a batch instance by ID.

func (*RedisStore) GetBatchByID 

func (s *RedisStore) GetBatchByID(ctx context.Context, id string) (*types.BatchInstance, error)

GetBatchByID retrieves a batch instance by ID (convenience for monitor API).

func (*RedisStore) GetBatchItemResult 

func (s *RedisStore) GetBatchItemResult(ctx context.Context, batchID, itemID string) (*types.BatchItemResult, error)

GetBatchItemResult retrieves a single batch item result.

func (*RedisStore) GetDailyStats 

func (s *RedisStore) GetDailyStats(ctx context.Context, days int) ([]DailyStats, error)

GetDailyStats returns daily stats for the last N days.

func (*RedisStore) GetGroupSize 

func (s *RedisStore) GetGroupSize(ctx context.Context, group string) (int64, error)

GetGroupSize returns the number of messages in a group.

func (*RedisStore) GetHistoryRun added in v0.2.0 

func (s *RedisStore) GetHistoryRun(ctx context.Context, runID string) (*types.JobRun, uint64, error)

GetHistoryRun retrieves a run from the history store by run ID.

func (*RedisStore) GetJob 

func (s *RedisStore) GetJob(ctx context.Context, jobID string) (*types.Job, uint64, error)

GetJob retrieves a job by ID.

func (*RedisStore) GetJobAuditCount added in v0.1.3 

func (s *RedisStore) GetJobAuditCount(ctx context.Context, jobID string) (int64, error)

GetJobAuditCount returns the number of audit entries for a job (XLEN).

func (*RedisStore) GetJobAuditCounts added in v0.1.3 

func (s *RedisStore) GetJobAuditCounts(ctx context.Context, jobIDs []string) (map[string]int64, error)

GetJobAuditCounts returns audit entry counts for multiple jobs via pipelined XLEN.

func (*RedisStore) GetJobAuditTrail added in v0.1.3 

func (s *RedisStore) GetJobAuditTrail(ctx context.Context, jobID string) ([]AuditEntry, error)

GetJobAuditTrail returns the state transition history for a job.

func (*RedisStore) GetJobRevision added in v0.1.10 

func (s *RedisStore) GetJobRevision(ctx context.Context, jobID string) (uint64, error)

GetJobRevision returns only the CAS revision for a job (without full deserialization).

func (*RedisStore) GetJobStats 

func (s *RedisStore) GetJobStats(ctx context.Context, _ StatsFilter) (*JobStats, error)

GetJobStats returns aggregated job statistics.

func (*RedisStore) GetNode 

func (s *RedisStore) GetNode(ctx context.Context, nodeID string) (*types.NodeInfo, error)

GetNode retrieves a node by ID, returns nil if not found or TTL expired.

func (*RedisStore) GetResult 

func (s *RedisStore) GetResult(ctx context.Context, jobID string) (*types.WorkResult, error)

GetResult retrieves a stored work result by job ID.

func (*RedisStore) GetRun 

func (s *RedisStore) GetRun(ctx context.Context, runID string) (*types.JobRun, uint64, error)

GetRun retrieves a job run by ID.

func (*RedisStore) GetSchedule 

func (s *RedisStore) GetSchedule(ctx context.Context, jobID string) (*types.ScheduleEntry, uint64, error)

GetSchedule retrieves a schedule entry by job ID.

func (*RedisStore) GetSignalStats added in v0.2.1 

func (s *RedisStore) GetSignalStats(ctx context.Context, workflowID string) (*SignalStats, error)

GetSignalStats returns the number of pending signals and the age of the oldest unacked signal for a workflow. Uses XLEN + XRANGE COUNT 1.

func (*RedisStore) GetWorkflow 

func (s *RedisStore) GetWorkflow(ctx context.Context, id string) (*types.WorkflowInstance, uint64, error)

GetWorkflow retrieves a workflow instance by ID.

func (*RedisStore) GetWorkflowByID 

func (s *RedisStore) GetWorkflowByID(ctx context.Context, id string) (*types.WorkflowInstance, error)

GetWorkflowByID retrieves a workflow instance by ID (convenience for monitor API).

func (*RedisStore) GetWorkflowEvents added in v0.1.3 

func (s *RedisStore) GetWorkflowEvents(ctx context.Context, workflowID string) ([]types.JobEvent, error)

GetWorkflowEvents returns all indexed events for a workflow, ordered by timestamp.

func (*RedisStore) HasActiveRunForJob 

func (s *RedisStore) HasActiveRunForJob(ctx context.Context, jobID string) (bool, error)

HasActiveRunForJob returns true if any non-terminal run exists for the given jobID. Uses the per-job active run set for O(1) check.

func (*RedisStore) IncrDailyStat 

func (s *RedisStore) IncrDailyStat(ctx context.Context, field string)

IncrDailyStat atomically increments the processed or failed counter for today.

func (*RedisStore) IsCancelRequested added in v0.2.1 

func (s *RedisStore) IsCancelRequested(ctx context.Context, runID string) (bool, error)

IsCancelRequested checks the durable cancel flag for a run.

func (*RedisStore) IsNodeDraining added in v0.1.3 

func (s *RedisStore) IsNodeDraining(ctx context.Context, nodeID string) (bool, error)

IsNodeDraining returns true if the node is in drain mode.

func (*RedisStore) IsQueuePaused 

func (s *RedisStore) IsQueuePaused(ctx context.Context, tierName string) (bool, error)

IsQueuePaused checks whether a tier/queue is currently paused.

func (*RedisStore) JobStatusCounts 

func (s *RedisStore) JobStatusCounts(ctx context.Context) (map[types.JobStatus]int, error)

JobStatusCounts returns job counts by status using ZCARD on index sets.

func (*RedisStore) ListActiveRunsByJobID 

func (s *RedisStore) ListActiveRunsByJobID(ctx context.Context, jobID string) ([]*types.JobRun, error)

ListActiveRunsByJobID returns all active runs belonging to a specific job. Uses the per-job active run set (RunsActiveByJobKey) for O(per-job) lookup.

func (*RedisStore) ListBatchInstances 

func (s *RedisStore) ListBatchInstances(ctx context.Context, filter BatchFilter) ([]types.BatchInstance, int, error)

ListBatchInstances returns paginated batch instances.

func (*RedisStore) ListBatchItemResults 

func (s *RedisStore) ListBatchItemResults(ctx context.Context, batchID string) ([]*types.BatchItemResult, error)

ListBatchItemResults returns all item results for a batch.

func (*RedisStore) ListBatches 

func (s *RedisStore) ListBatches(ctx context.Context) ([]*types.BatchInstance, error)

ListBatches returns all batch instances.

func (*RedisStore) ListBatchesByStatus added in v0.1.3 

func (s *RedisStore) ListBatchesByStatus(ctx context.Context, status types.WorkflowStatus) ([]*types.BatchInstance, error)

ListBatchesByStatus returns batch instances with the given status.

func (*RedisStore) ListDLQ 

func (s *RedisStore) ListDLQ(ctx context.Context, limit int) ([]*types.WorkMessage, error)

ListDLQ reads recent messages from the DLQ stream.

func (*RedisStore) ListDueBatchDeadlines added in v0.2.0 

func (s *RedisStore) ListDueBatchDeadlines(ctx context.Context, now time.Time) ([]*types.BatchInstance, error)

ListDueBatchDeadlines returns batches whose deadlines have passed. Uses the deadline sorted set for O(due) instead of O(all-running).

func (*RedisStore) ListDueSchedules 

func (s *RedisStore) ListDueSchedules(ctx context.Context, cutoff time.Time) ([]*types.ScheduleEntry, error)

ListDueSchedules returns schedules where NextRunAt <= cutoff. O(log N + M) using sorted set.

func (*RedisStore) ListDueWorkflowDeadlines added in v0.2.0 

func (s *RedisStore) ListDueWorkflowDeadlines(ctx context.Context, now time.Time) ([]*types.WorkflowInstance, error)

ListDueWorkflowDeadlines returns workflows whose deadlines have passed. Uses the deadline sorted set for O(due) instead of O(all-running).

func (*RedisStore) ListGroups 

func (s *RedisStore) ListGroups(ctx context.Context) ([]string, error)

ListGroups returns all active group names.

func (*RedisStore) ListJobEvents 

func (s *RedisStore) ListJobEvents(ctx context.Context, filter EventFilter) ([]types.JobEvent, int, error)

ListJobEvents returns paginated job events from history.

func (*RedisStore) ListJobRuns 

func (s *RedisStore) ListJobRuns(ctx context.Context, filter RunFilter) ([]types.JobRun, int, error)

ListJobRuns returns paginated job runs from history.

func (*RedisStore) ListJobs 

func (s *RedisStore) ListJobs(ctx context.Context) ([]*types.Job, error)

ListJobs returns all jobs (use sparingly for large datasets).

func (*RedisStore) ListJobsByStatus added in v0.1.3 

func (s *RedisStore) ListJobsByStatus(ctx context.Context, status types.JobStatus) ([]*types.Job, error)

ListJobsByStatus returns all jobs with the given status.

func (*RedisStore) ListJobsPaginated 

func (s *RedisStore) ListJobsPaginated(ctx context.Context, filter JobFilter) ([]types.Job, int, error)

ListJobsPaginated returns a paginated, filtered list of jobs backed by Redis sorted sets.

func (*RedisStore) ListNodes 

func (s *RedisStore) ListNodes(ctx context.Context) ([]*types.NodeInfo, error)

ListNodes returns all live nodes, pruning stale entries from the tracking set.

func (*RedisStore) ListPausedJobsDueForResume added in v0.1.10 

func (s *RedisStore) ListPausedJobsDueForResume(ctx context.Context, now time.Time) ([]*types.Job, error)

ListPausedJobsDueForResume returns paused jobs whose ResumeAt time has passed.

func (*RedisStore) ListPausedQueues 

func (s *RedisStore) ListPausedQueues(ctx context.Context) ([]string, error)

ListPausedQueues returns the names of all currently paused queues.

func (*RedisStore) ListReadyGroups 

func (s *RedisStore) ListReadyGroups(ctx context.Context, gracePeriod, maxDelay time.Duration, maxSize int) ([]string, error)

ListReadyGroups returns groups that are ready to be flushed based on the given criteria.

func (*RedisStore) ListRuns 

func (s *RedisStore) ListRuns(ctx context.Context) ([]*types.JobRun, error)

ListRuns returns all active (non-terminal) runs.

func (*RedisStore) ListSchedules 

func (s *RedisStore) ListSchedules(ctx context.Context) ([]*types.ScheduleEntry, error)

ListSchedules returns all active schedule entries.

func (*RedisStore) ListSchedulesPaginated 

func (s *RedisStore) ListSchedulesPaginated(ctx context.Context, filter ScheduleFilter) ([]types.ScheduleEntry, int, error)

ListSchedulesPaginated returns a paginated list of schedules.

func (*RedisStore) ListWorkflowInstances 

func (s *RedisStore) ListWorkflowInstances(ctx context.Context, filter WorkflowFilter) ([]types.WorkflowInstance, int, error)

ListWorkflowInstances returns paginated workflow instances.

func (*RedisStore) ListWorkflows 

func (s *RedisStore) ListWorkflows(ctx context.Context) ([]*types.WorkflowInstance, error)

ListWorkflows returns all workflow instances.

func (*RedisStore) ListWorkflowsByStatus added in v0.1.3 

func (s *RedisStore) ListWorkflowsByStatus(ctx context.Context, status types.WorkflowStatus) ([]*types.WorkflowInstance, error)

ListWorkflowsByStatus returns workflow instances with the given status.

func (*RedisStore) MoveDelayedToStream 

func (s *RedisStore) MoveDelayedToStream(ctx context.Context, tierName string, maxMove int) (int64, error)

MoveDelayedToStream atomically moves ripe delayed messages back to the work stream. Returns the number of messages moved.

func (*RedisStore) PauseQueue 

func (s *RedisStore) PauseQueue(ctx context.Context, tierName string) error

PauseQueue marks a tier/queue as paused. Workers will skip paused queues.

func (*RedisStore) Ping 

func (s *RedisStore) Ping(ctx context.Context) error

func (*RedisStore) PopOverlapBuffer 

func (s *RedisStore) PopOverlapBuffer(ctx context.Context, jobID string) (time.Time, bool, error)

PopOverlapBuffer retrieves and deletes the buffered dispatch for BUFFER_ONE.

func (*RedisStore) PopOverlapBufferAll 

func (s *RedisStore) PopOverlapBufferAll(ctx context.Context, jobID string) (time.Time, bool, error)

PopOverlapBufferAll pops the next buffered dispatch from BUFFER_ALL.

func (*RedisStore) Prefix 

func (s *RedisStore) Prefix() string

func (*RedisStore) PublishEvent 

func (s *RedisStore) PublishEvent(ctx context.Context, event types.JobEvent) error

PublishEvent publishes an event to both Pub/Sub (real-time) and the event stream (history).

func (*RedisStore) PublishJobNotification 

func (s *RedisStore) PublishJobNotification(ctx context.Context, jobID, taskType string, priority int) error

PublishJobNotification publishes a lightweight notification to the job:notify Pub/Sub channel. The NotifierActor subscribes to this channel and forwards it to the DispatcherActor.

func (*RedisStore) PublishResult 

func (s *RedisStore) PublishResult(ctx context.Context, result types.WorkResult) error

PublishResult stores a work result and notifies waiting clients.

func (*RedisStore) PurgeJobData added in v0.1.10 

func (s *RedisStore) PurgeJobData(ctx context.Context, jobID string) error

PurgeJobData removes the payload and result data from a job while preserving metadata (status, timestamps, task type, etc.). This supports GDPR "right to erasure" by deleting personal data while maintaining audit trails.

func (*RedisStore) PushOverlapBufferAll 

func (s *RedisStore) PushOverlapBufferAll(ctx context.Context, jobID string, nextRunAt time.Time) error

PushOverlapBufferAll appends to the BUFFER_ALL queue.

func (*RedisStore) ReadGroup added in v0.1.10 

func (s *RedisStore) ReadGroup(ctx context.Context, group string) ([]types.GroupMessage, error)

ReadGroup reads all messages from a group WITHOUT deleting them. Use DeleteGroupMessages after successful processing to remove them.

func (*RedisStore) ReadSignals added in v0.2.0 

func (s *RedisStore) ReadSignals(ctx context.Context, workflowID string) ([]types.WorkflowSignal, error)

ReadSignals reads all pending signals for a workflow without deleting them. Each returned signal has its StreamID populated so the caller can pass processed signals to AckSignals after handling. This prevents signal loss if the caller crashes between read and processing.

func (*RedisStore) ReenqueueWork 

func (s *RedisStore) ReenqueueWork(ctx context.Context, tierName string, wm *types.WorkMessage, redeliveries int) error

ReenqueueWork re-adds a work message to the stream without dedup. Used when a worker picks up a message for a task type it doesn't handle.

func (*RedisStore) ReleaseConcurrencySlot added in v0.2.0 

func (s *RedisStore) ReleaseConcurrencySlot(ctx context.Context, concKey, runID string) error

ReleaseConcurrencySlot releases a concurrency slot held by the given run.

func (*RedisStore) RequestCancel added in v0.2.1 

func (s *RedisStore) RequestCancel(ctx context.Context, runID string) error

RequestCancel sets a durable cancel flag for a run and publishes a Pub/Sub signal for immediate delivery. The flag has a 24-hour TTL for auto-cleanup. This dual-write pattern ensures cancellation survives worker disconnects: Pub/Sub is the fast path; the persisted flag is the durable fallback.

func (*RedisStore) SaveBatch 

func (s *RedisStore) SaveBatch(ctx context.Context, batch *types.BatchInstance) (uint64, error)

SaveBatch upserts a batch instance and maintains sorted-set indexes.

func (*RedisStore) SaveBatchInstance 

func (s *RedisStore) SaveBatchInstance(ctx context.Context, batch *types.BatchInstance) error

SaveBatchInstance saves a batch instance (alias for history compatibility).

func (*RedisStore) SaveBatchItemResult 

func (s *RedisStore) SaveBatchItemResult(ctx context.Context, result *types.BatchItemResult) error

SaveBatchItemResult stores a single batch item result.

func (*RedisStore) SaveJob 

func (s *RedisStore) SaveJob(ctx context.Context, job *types.Job) (uint64, error)

SaveJob upserts a job and maintains all secondary indexes. The job hash is updated atomically via a single-key Lua script; secondary indexes are updated individually (best-effort) for Redis Cluster compatibility.

func (*RedisStore) SaveJobEvent 

func (s *RedisStore) SaveJobEvent(ctx context.Context, event *types.JobEvent) error

SaveJobEvent persists a job event to the history indexes.

func (*RedisStore) SaveJobRun 

func (s *RedisStore) SaveJobRun(ctx context.Context, run *types.JobRun) error

SaveJobRun persists a job run to the history indexes.

func (*RedisStore) SaveNode 

func (s *RedisStore) SaveNode(ctx context.Context, node *types.NodeInfo) (uint64, error)

SaveNode upserts a node with TTL for automatic dead-node cleanup.

func (*RedisStore) SaveOverlapBuffer 

func (s *RedisStore) SaveOverlapBuffer(ctx context.Context, jobID string, nextRunAt time.Time) error

SaveOverlapBuffer stores a buffered dispatch timestamp for BUFFER_ONE policy. Overwrites any previous buffered entry.

func (*RedisStore) SaveRun 

func (s *RedisStore) SaveRun(ctx context.Context, run *types.JobRun) (uint64, error)

SaveRun upserts a job run and maintains the active set and by-job index.

func (*RedisStore) SaveSchedule 

func (s *RedisStore) SaveSchedule(ctx context.Context, entry *types.ScheduleEntry) (uint64, error)

SaveSchedule upserts a schedule and updates the due sorted set.

func (*RedisStore) SaveWorkflow 

func (s *RedisStore) SaveWorkflow(ctx context.Context, wf *types.WorkflowInstance) (uint64, error)

SaveWorkflow upserts a workflow instance and maintains sorted-set indexes.

func (*RedisStore) SaveWorkflowInstance 

func (s *RedisStore) SaveWorkflowInstance(ctx context.Context, wf *types.WorkflowInstance) error

SaveWorkflowInstance saves a workflow instance (alias for history compatibility).

func (*RedisStore) SendSignal added in v0.1.3 

func (s *RedisStore) SendSignal(ctx context.Context, signal *types.WorkflowSignal) error

SendSignal appends a signal to a workflow's signal stream. If the signal has a DedupeKey, it prevents duplicate signals using SET NX.

func (*RedisStore) SetNodeDrain added in v0.1.3 

func (s *RedisStore) SetNodeDrain(ctx context.Context, nodeID string, drain bool) error

SetNodeDrain sets the drain flag for a node. While draining, the worker stops fetching new messages but continues processing in-flight tasks.

func (*RedisStore) SetUniqueKey 

func (s *RedisStore) SetUniqueKey(ctx context.Context, uniqueKey, jobID string) error

SetUniqueKey atomically claims a unique key for a job ID.

func (*RedisStore) TrimWorkflowEvents added in v0.2.0 

func (s *RedisStore) TrimWorkflowEvents(ctx context.Context, wfID string, maxEntries int64) error

TrimWorkflowEvents trims a workflow's event index to the most recent maxEntries.

func (*RedisStore) UnpauseQueue 

func (s *RedisStore) UnpauseQueue(ctx context.Context, tierName string) error

UnpauseQueue removes the pause flag from a tier/queue.

func (*RedisStore) UpdateBatch 

func (s *RedisStore) UpdateBatch(ctx context.Context, batch *types.BatchInstance, expectedRev uint64) (uint64, error)

UpdateBatch performs a CAS update on a batch instance.

func (*RedisStore) UpdateJob 

func (s *RedisStore) UpdateJob(ctx context.Context, job *types.Job, expectedRev uint64) (uint64, error)

UpdateJob performs a CAS update on a job and maintains all secondary indexes. The job hash is updated atomically via a single-key Lua script; secondary indexes are diffed and updated individually.

func (*RedisStore) UpdateWorkflow 

func (s *RedisStore) UpdateWorkflow(ctx context.Context, wf *types.WorkflowInstance, expectedRev uint64) (uint64, error)

UpdateWorkflow performs a CAS update on a workflow instance.

type RedisStoreConfig 

type RedisStoreConfig struct {
	// KeyPrefix is prepended to all Redis keys (e.g., "prod" → "prod_dureq:...").
	KeyPrefix string

	// NodeTTL is the TTL for node heartbeat entries. Default: 15s.
	NodeTTL time.Duration

	// ElectionTTL is the TTL for the leader election key. Default: 10s.
	ElectionTTL time.Duration

	// LockTTL is the default TTL for distributed lock entries. Default: 30s.
	LockTTL time.Duration

	// EventStreamMaxLen is the max length of the events stream. Default: 50000.
	EventStreamMaxLen int64

	// DLQStreamMaxLen is the max length of the DLQ stream. Default: 10000.
	DLQStreamMaxLen int64

	// ResultTTL is the TTL for job result entries. Default: 1h.
	ResultTTL time.Duration

	// DedupTTL is the TTL for run ID deduplication keys. Default: 5m.
	DedupTTL time.Duration

	// RequestDedupTTL is the TTL for client-level request idempotency keys.
	// Must exceed the maximum expected client retry window. Default: 1h.
	RequestDedupTTL time.Duration

	// OverlapBufferTTL is the TTL for buffered overlap dispatch entries.
	// Must exceed the longest schedule interval (e.g., monthly cron = 31d).
	// Default: 7d.
	OverlapBufferTTL time.Duration

	// WorkflowResultTTL is the TTL for workflow task result entries.
	// Must exceed the longest workflow execution duration. Default: 7d.
	WorkflowResultTTL time.Duration

	// SideEffectTTL is the TTL for side-effect step cache entries.
	// Must exceed the longest handler execution timeout. Default: 24h.
	SideEffectTTL time.Duration

	// SignalDedupTTL is the TTL for workflow signal deduplication keys.
	// Must exceed the longest workflow lifetime. Default: 30d.
	SignalDedupTTL time.Duration

	// Tiers is the list of user-defined priority tiers. Default: [normal].
	Tiers []TierConfig
}

RedisStoreConfig holds configuration for the Redis store.

type RunFilter 

type RunFilter struct {
	JobID    *string
	NodeID   *string
	Status   *types.RunStatus
	TaskType *types.TaskType
	Tags     []string
	Since    *time.Time
	Until    *time.Time
	Limit    int
	Offset   int
	Sort     string // "newest" (default) or "oldest"
}

RunFilter specifies criteria for listing job runs.

type ScheduleFilter 

type ScheduleFilter struct {
	Sort   string // "newest" or "oldest"
	Limit  int
	Offset int
}

ScheduleFilter specifies criteria for listing active schedules.

type SignalStats added in v0.2.1 

type SignalStats struct {
	PendingCount    int64 `json:"pending_count"`
	OldestUnackedMs int64 `json:"oldest_unacked_age_ms"`
}

SignalStats holds signal stream statistics for a workflow.

type StatsFilter 

type StatsFilter struct {
	TaskType *types.TaskType
	Tags     []string
	Since    *time.Time
	Until    *time.Time
}

StatsFilter specifies criteria for aggregated stats queries.

type Store added in v0.1.10 

type Store interface {
	// --- Job CRUD ---
	SaveJob(ctx context.Context, job *types.Job) (uint64, error)
	CreateJob(ctx context.Context, job *types.Job) (uint64, error)
	GetJob(ctx context.Context, jobID string) (*types.Job, uint64, error)
	UpdateJob(ctx context.Context, job *types.Job, expectedRev uint64) (uint64, error)
	DeleteJob(ctx context.Context, jobID string) error
	ListJobs(ctx context.Context) ([]*types.Job, error)
	ListJobsByStatus(ctx context.Context, status types.JobStatus) ([]*types.Job, error)
	ListPausedJobsDueForResume(ctx context.Context, now time.Time) ([]*types.Job, error)
	GetJobRevision(ctx context.Context, jobID string) (uint64, error)

	// --- Schedule ---
	SaveSchedule(ctx context.Context, entry *types.ScheduleEntry) (uint64, error)
	GetSchedule(ctx context.Context, jobID string) (*types.ScheduleEntry, uint64, error)
	DeleteSchedule(ctx context.Context, jobID string) error
	ListDueSchedules(ctx context.Context, cutoff time.Time) ([]*types.ScheduleEntry, error)

	// --- Run ---
	SaveRun(ctx context.Context, run *types.JobRun) (uint64, error)
	GetRun(ctx context.Context, runID string) (*types.JobRun, uint64, error)
	DeleteRun(ctx context.Context, runID string) error
	ListRuns(ctx context.Context) ([]*types.JobRun, error)
	ListActiveRunsByJobID(ctx context.Context, jobID string) ([]*types.JobRun, error)
	HasActiveRunForJob(ctx context.Context, jobID string) (bool, error)
	SaveJobRun(ctx context.Context, run *types.JobRun) error

	// --- Workflow ---
	SaveWorkflow(ctx context.Context, wf *types.WorkflowInstance) (uint64, error)
	GetWorkflow(ctx context.Context, id string) (*types.WorkflowInstance, uint64, error)
	UpdateWorkflow(ctx context.Context, wf *types.WorkflowInstance, expectedRev uint64) (uint64, error)

	// --- Batch ---
	SaveBatch(ctx context.Context, batch *types.BatchInstance) (uint64, error)
	GetBatch(ctx context.Context, batchID string) (*types.BatchInstance, uint64, error)
	UpdateBatch(ctx context.Context, batch *types.BatchInstance, expectedRev uint64) (uint64, error)

	// --- Node ---
	SaveNode(ctx context.Context, node *types.NodeInfo) (uint64, error)
	ListNodes(ctx context.Context) ([]*types.NodeInfo, error)

	// --- Events ---
	PublishEvent(ctx context.Context, event types.JobEvent) error
	PublishResult(ctx context.Context, result types.WorkResult) error
	GetResult(ctx context.Context, jobID string) (*types.WorkResult, error)

	// --- Work dispatch ---
	DispatchWork(ctx context.Context, tierName string, msg *types.WorkMessage) (string, error)
	AckMessage(ctx context.Context, tierName string, msgID string) error
	ReenqueueWork(ctx context.Context, tierName string, msg *types.WorkMessage, redeliveries int) error
	AddDelayed(ctx context.Context, tierName string, msg *types.WorkMessage, executeAt time.Time) error

	// --- Overlap ---
	SaveOverlapBuffer(ctx context.Context, jobID string, nextRunAt time.Time) error
	PopOverlapBuffer(ctx context.Context, jobID string) (time.Time, bool, error)
	PushOverlapBufferAll(ctx context.Context, jobID string, nextRunAt time.Time) error
	PopOverlapBufferAll(ctx context.Context, jobID string) (time.Time, bool, error)

	// --- Unique keys ---
	CheckUniqueKey(ctx context.Context, uniqueKey string) (string, bool, error)
	SetUniqueKey(ctx context.Context, uniqueKey, jobID string) error
	DeleteUniqueKey(ctx context.Context, uniqueKey string) error

	// --- Stats ---
	IncrDailyStat(ctx context.Context, field string)

	// --- GDPR ---
	PurgeJobData(ctx context.Context, jobID string) error
}

Store defines the core persistence interface for dureq. RedisStore is the primary implementation; this interface enables testing with in-memory stores and future backend alternatives.

type TierConfig 

type TierConfig struct {
	// Name is the tier identifier (e.g., "urgent", "normal", "background").
	Name string

	// Weight controls fetch priority. Higher weight = polled first and more frequently.
	Weight int

	// FetchBatch is the number of messages to read per XREADGROUP call. Default: 10.
	FetchBatch int

	// RateLimit, if set, limits how many messages per second can be fetched from this tier.
	// Uses a distributed token bucket. Zero = no rate limit.
	RateLimit float64

	// RateBurst is the maximum burst size for the rate limiter. Default: RateLimit.
	RateBurst int
}

TierConfig defines a user-customizable priority tier.

func DefaultTiers 

func DefaultTiers() []TierConfig

DefaultTiers returns a sensible default tier configuration.

type WorkflowFilter 

type WorkflowFilter struct {
	WorkflowName *string
	Status       *types.WorkflowStatus
	Sort         string // "newest" or "oldest"
	Limit        int
	Offset       int
}

WorkflowFilter specifies criteria for listing workflow instances.

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