Add a task queue task router to reduce amount of boilerplate.

scheduler/appengine/engine/internal/tq_tasks.pb.go

Index: scheduler/appengine/engine/internal/tq_tasks.pb.go
diff --git a/scheduler/appengine/engine/internal/tq_tasks.pb.go b/scheduler/appengine/engine/internal/tq_tasks.pb.go
new file mode 100644
index 0000000000000000000000000000000000000000..dd656e1bf3ae45258619e7f6192c2612dcbc808c
--- /dev/null
+++ b/scheduler/appengine/engine/internal/tq_tasks.pb.go
@@ -0,0 +1,94 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: github.com/luci/luci-go/scheduler/appengine/engine/internal/tq_tasks.proto
+
+/*
+Package internal is a generated protocol buffer package.
+
+It is generated from these files:
+	github.com/luci/luci-go/scheduler/appengine/engine/internal/tq_tasks.proto
+
+It has these top-level messages:
+	TickLaterTask
+	StartInvocationTask
+*/
+package internal
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type TickLaterTask struct {
+	JobId     string `protobuf:"bytes,1,opt,name=job_id,json=jobId" json:"job_id,omitempty"`
+	TickNonce int64  `protobuf:"varint,2,opt,name=tick_nonce,json=tickNonce" json:"tick_nonce,omitempty"`
+}
+
+func (m *TickLaterTask) Reset()                    { *m = TickLaterTask{} }
+func (m *TickLaterTask) String() string            { return proto.CompactTextString(m) }
+func (*TickLaterTask) ProtoMessage()               {}
+func (*TickLaterTask) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+func (m *TickLaterTask) GetJobId() string {
+	if m != nil {
+		return m.JobId
+	}
+	return ""
+}
+
+func (m *TickLaterTask) GetTickNonce() int64 {
+	if m != nil {
+		return m.TickNonce
+	}
+	return 0
+}
+
+type StartInvocationTask struct {
+	JobId string `protobuf:"bytes,1,opt,name=job_id,json=jobId" json:"job_id,omitempty"`
+}
+
+func (m *StartInvocationTask) Reset()                    { *m = StartInvocationTask{} }
+func (m *StartInvocationTask) String() string            { return proto.CompactTextString(m) }
+func (*StartInvocationTask) ProtoMessage()               {}
+func (*StartInvocationTask) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
+
+func (m *StartInvocationTask) GetJobId() string {
+	if m != nil {
+		return m.JobId
+	}
+	return ""
+}
+
+func init() {
+	proto.RegisterType((*TickLaterTask)(nil), "internal.tq_tasks.TickLaterTask")
+	proto.RegisterType((*StartInvocationTask)(nil), "internal.tq_tasks.StartInvocationTask")
+}
+
+func init() {
+	proto.RegisterFile("github.com/luci/luci-go/scheduler/appengine/engine/internal/tq_tasks.proto", fileDescriptor0)
+}
+
+var fileDescriptor0 = []byte{
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+}