Immediate replication task hydration after successful transaction

common/persistence/workflowExecutionInfo.go

@@ -164,6 +164,23 @@ func (e *WorkflowExecutionInfo) UpdateWorkflowStateCloseStatus(
 
 }
 
+func (e *WorkflowExecutionInfo) IsRunning() bool {
+	switch e.State {
+	case WorkflowStateCreated:
+		return true
+	case WorkflowStateRunning:
+		return true
+	case WorkflowStateCompleted:
+		return false
+	case WorkflowStateZombie:
+		return false
+	case WorkflowStateCorrupted:
+		return false
+	default:
+		panic(fmt.Sprintf("unknown workflow state: %v", e.State))
+	}
+}
+
 // UpdateWorkflowStateCloseStatus update the workflow state
 func (e *WorkflowExecutionInfo) createInvalidStateTransitionErr(
 	currentState int,

service/history/common/type.go

@@ -24,13 +24,17 @@ package common
 
 import (
 	"github.com/uber/cadence/common/persistence"
+	"github.com/uber/cadence/service/history/events"
 )
 
 type (
 	// NotifyTaskInfo defines the info of task notification
 	NotifyTaskInfo struct {
 		ExecutionInfo    *persistence.WorkflowExecutionInfo
 		Tasks            []persistence.Task
+		VersionHistories *persistence.VersionHistories
+		Activities       map[int64]*persistence.ActivityInfo
+		History          events.PersistedBlobs
 		PersistenceError bool
 	}
 )

service/history/engine/interface.go

@@ -83,5 +83,6 @@ type (
 		NotifyNewTransferTasks(info *hcommon.NotifyTaskInfo)
 		NotifyNewTimerTasks(info *hcommon.NotifyTaskInfo)
 		NotifyNewCrossClusterTasks(info *hcommon.NotifyTaskInfo)
+		NotifyNewReplicationTasks(info *hcommon.NotifyTaskInfo)
 	}
 )

service/history/events/blob.go

@@ -0,0 +1,53 @@
+// The MIT License (MIT)
+
+// Copyright (c) 2022 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 events
+
+import (
+	"bytes"
+
+	"github.com/uber/cadence/common/persistence"
+)
+
+type (
+	// PersistedBlob is a wrapper on persistence.DataBlob with additional field indicating what was persisted.
+	// Additional fields are used as an identification key among other blobs.
+	PersistedBlob struct {
+		persistence.DataBlob
+
+		BranchToken  []byte
+		FirstEventID int64
+	}
+	// PersistedBlobs is a slice of PersistedBlob
+	PersistedBlobs []PersistedBlob
+)
+
+// Find searches for persisted event blob. Returns nil when not found.
+func (blobs PersistedBlobs) Find(branchToken []byte, firstEventID int64) *persistence.DataBlob {
+	// Linear search is ok here, as we will only have 1-2 persisted blobs per transaction
+	for _, blob := range blobs {
+		if bytes.Equal(blob.BranchToken, branchToken) && blob.FirstEventID == firstEventID {
+			return &blob.DataBlob
+		}
+	}
+	return nil
+}

service/history/events/blob_test.go

@@ -0,0 +1,49 @@
+// The MIT License (MIT)
+
+// Copyright (c) 2022 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 events
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/uber/cadence/common/persistence"
+)
+
+func TestPersistedBlobs_Find(t *testing.T) {
+	blob1 := persistence.DataBlob{Data: []byte{1, 2, 3}}
+	blob2 := persistence.DataBlob{Data: []byte{4, 5, 6}}
+	blob3 := persistence.DataBlob{Data: []byte{7, 8, 9}}
+	branchA := []byte{11, 11, 11}
+	branchB := []byte{22, 22, 22}
+	persistedBlobs := PersistedBlobs{
+		PersistedBlob{BranchToken: branchA, FirstEventID: 100, DataBlob: blob1},
+		PersistedBlob{BranchToken: branchA, FirstEventID: 105, DataBlob: blob2},
+		PersistedBlob{BranchToken: branchB, FirstEventID: 100, DataBlob: blob3},
+	}
+	assert.Equal(t, blob1, *persistedBlobs.Find(branchA, 100))
+	assert.Equal(t, blob2, *persistedBlobs.Find(branchA, 105))
+	assert.Equal(t, blob3, *persistedBlobs.Find(branchB, 100))
+	assert.Nil(t, persistedBlobs.Find(branchB, 105))
+	assert.Nil(t, persistedBlobs.Find([]byte{99}, 100))
+}