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execution_store.go
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execution_store.go
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// The MIT License
//
// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
//
// Copyright (c) 2020 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package cassandra
import (
"context"
"time"
"go.temporal.io/server/common/log"
p "go.temporal.io/server/common/persistence"
"go.temporal.io/server/common/persistence/nosql/nosqlplugin/cassandra/gocql"
)
// Guidelines for creating new special UUID constants
// Each UUID should be of the form: E0000000-R000-f000-f000-00000000000x
// Where x is any hexadecimal value, E represents the entity type valid values are:
// E = {NamespaceID = 1, WorkflowID = 2, RunID = 3}
// R represents row type in executions table, valid values are:
// R = {Shard = 1, Execution = 2, Transfer = 3, Timer = 4, Replication = 5}
const (
// Special Run IDs
permanentRunID = "30000000-0000-f000-f000-000000000001"
// Row Constants for Shard Row
rowTypeShardNamespaceID = "10000000-1000-f000-f000-000000000000"
rowTypeShardWorkflowID = "20000000-1000-f000-f000-000000000000"
rowTypeShardRunID = "30000000-1000-f000-f000-000000000000"
// Row Constants for Transfer Task Row
rowTypeTransferNamespaceID = "10000000-3000-f000-f000-000000000000"
rowTypeTransferWorkflowID = "20000000-3000-f000-f000-000000000000"
rowTypeTransferRunID = "30000000-3000-f000-f000-000000000000"
// Row Constants for Timer Task Row
rowTypeTimerNamespaceID = "10000000-4000-f000-f000-000000000000"
rowTypeTimerWorkflowID = "20000000-4000-f000-f000-000000000000"
rowTypeTimerRunID = "30000000-4000-f000-f000-000000000000"
// Row Constants for Replication Task Row
rowTypeReplicationNamespaceID = "10000000-5000-f000-f000-000000000000"
rowTypeReplicationWorkflowID = "20000000-5000-f000-f000-000000000000"
rowTypeReplicationRunID = "30000000-5000-f000-f000-000000000000"
// Row constants for visibility task row.
rowTypeVisibilityTaskNamespaceID = "10000000-6000-f000-f000-000000000000"
rowTypeVisibilityTaskWorkflowID = "20000000-6000-f000-f000-000000000000"
rowTypeVisibilityTaskRunID = "30000000-6000-f000-f000-000000000000"
// Row Constants for Replication Task DLQ Row. Source cluster name will be used as WorkflowID.
rowTypeDLQNamespaceID = "10000000-6000-f000-f000-000000000000"
rowTypeDLQRunID = "30000000-6000-f000-f000-000000000000"
// Row constants for History task row.
rowTypeHistoryTaskNamespaceID = "10000000-8000-f000-f000-000000000000"
rowTypeHistoryTaskWorkflowID = "20000000-8000-f000-f000-000000000000"
rowTypeHistoryTaskRunID = "30000000-8000-f000-f000-000000000000"
// Special TaskId constants
rowTypeExecutionTaskID = int64(-10)
rowTypeShardTaskID = int64(-11)
)
const (
// Row types for table executions
rowTypeShard = iota
rowTypeExecution
rowTypeTransferTask
rowTypeTimerTask
rowTypeReplicationTask
rowTypeDLQ
rowTypeVisibilityTask
// NOTE: the row type for history task is the task category ID
// rowTypeHistoryTask
)
const (
// Row types for table tasks
rowTypeTask = iota
rowTypeTaskQueue
)
const (
taskQueueTaskID = -12345
// ref: https://docs.datastax.com/en/dse-trblshoot/doc/troubleshooting/recoveringTtlYear2038Problem.html
maxCassandraTTL = int64(315360000) // Cassandra max support time is 2038-01-19T03:14:06+00:00. Updated this to 10 years to support until year 2028
)
var (
defaultDateTime = time.Date(2000, time.January, 1, 0, 0, 0, 0, time.UTC)
defaultVisibilityTimestamp = p.UnixMilliseconds(defaultDateTime)
)
type (
ExecutionStore struct {
*HistoryStore
*MutableStateStore
*MutableStateTaskStore
}
)
var _ p.ExecutionStore = (*ExecutionStore)(nil)
func NewExecutionStore(
session gocql.Session,
logger log.Logger,
) *ExecutionStore {
return &ExecutionStore{
HistoryStore: NewHistoryStore(session, logger),
MutableStateStore: NewMutableStateStore(session, logger),
MutableStateTaskStore: NewMutableStateTaskStore(session, logger),
}
}
func (d *ExecutionStore) CreateWorkflowExecution(
ctx context.Context,
request *p.InternalCreateWorkflowExecutionRequest,
) (*p.InternalCreateWorkflowExecutionResponse, error) {
for _, req := range request.NewWorkflowNewEvents {
if err := d.AppendHistoryNodes(ctx, req); err != nil {
return nil, err
}
}
return d.MutableStateStore.CreateWorkflowExecution(ctx, request)
}
func (d *ExecutionStore) UpdateWorkflowExecution(
ctx context.Context,
request *p.InternalUpdateWorkflowExecutionRequest,
) error {
for _, req := range request.UpdateWorkflowNewEvents {
if err := d.AppendHistoryNodes(ctx, req); err != nil {
return err
}
}
for _, req := range request.NewWorkflowNewEvents {
if err := d.AppendHistoryNodes(ctx, req); err != nil {
return err
}
}
return d.MutableStateStore.UpdateWorkflowExecution(ctx, request)
}
func (d *ExecutionStore) ConflictResolveWorkflowExecution(
ctx context.Context,
request *p.InternalConflictResolveWorkflowExecutionRequest,
) error {
for _, req := range request.CurrentWorkflowEventsNewEvents {
if err := d.AppendHistoryNodes(ctx, req); err != nil {
return err
}
}
for _, req := range request.ResetWorkflowEventsNewEvents {
if err := d.AppendHistoryNodes(ctx, req); err != nil {
return err
}
}
for _, req := range request.NewWorkflowEventsNewEvents {
if err := d.AppendHistoryNodes(ctx, req); err != nil {
return err
}
}
return d.MutableStateStore.ConflictResolveWorkflowExecution(ctx, request)
}
func (d *ExecutionStore) GetName() string {
return cassandraPersistenceName
}
func (d *ExecutionStore) Close() {
if d.HistoryStore.Session != nil {
d.HistoryStore.Session.Close()
}
if d.MutableStateStore.Session != nil {
d.MutableStateStore.Session.Close()
}
if d.MutableStateTaskStore.Session != nil {
d.MutableStateTaskStore.Session.Close()
}
}