Create & Init Project...

app/job/main/relation-cache/model/BUILD

@@ -0,0 +1,31 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "model.go",
+        "retry.go",
+    ],
+    importpath = "go-common/app/job/main/relation-cache/model",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

app/job/main/relation-cache/model/model.go

@@ -0,0 +1,32 @@
+package model
+
+import (
+	"encoding/json"
+)
+
+// Message define binlog databus message.
+type Message struct {
+	Action string          `json:"action"`
+	Table  string          `json:"table"`
+	New    json.RawMessage `json:"new"`
+	Old    json.RawMessage `json:"old"`
+}
+
+// Stat is
+type Stat struct {
+	Mid       int64 `json:"mid,omitempty"`
+	Following int64 `json:"following"`
+	Whisper   int64 `json:"whisper"`
+	Black     int64 `json:"black"`
+	Follower  int64 `json:"follower"`
+}
+
+// Relation is
+type Relation struct {
+	Mid       int64  `json:"mid,omitempty"`
+	Fid       int64  `json:"fid,omitempty"`
+	Attribute uint32 `json:"attribute"`
+	Status    int    `json:"status"`
+	MTime     string `json:"mtime"`
+	CTime     string `json:"ctime"`
+}

app/job/main/relation-cache/model/retry.go

@@ -0,0 +1,26 @@
+package model
+
+import (
+	"time"
+)
+
+// Retry is
+func Retry(attempts int, sleep time.Duration, fn func() error) error {
+	if err := fn(); err != nil {
+		if s, ok := err.(stop); ok {
+			// Return the original error for later checking
+			return s.error
+		}
+
+		if attempts--; attempts > 0 {
+			time.Sleep(sleep)
+			return Retry(attempts, 2*sleep, fn)
+		}
+		return err
+	}
+	return nil
+}
+
+type stop struct {
+	error
+}