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.svn/pristine/e9/e923dec9d9d70dfd78901ecb2dbbded614afd0e8.svn-base

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+package mysqlSync
+
+import (
+	"database/sql"
+	"fmt"
+	"sync"
+
+	"Framework/dataSyncMgr/mysqlSync/logSqlSync"
+	"Framework/dataSyncMgr/mysqlSync/sqlSync"
+	"goutil/debugUtil"
+	"goutil/logUtil"
+)
+
+// 数据同步管理
+type SyncMgr struct {
+	// 服务器组Id
+	serverGroupId int32
+
+	// 同步数据的存储路径
+	dirPath string
+
+	// 大文件对象size
+	maxFileSize int
+
+	// 数据库对象
+	dbObj *sql.DB
+
+	// 同步对象集合
+	syncObjMap map[string]*sqlSync.SyncObject
+
+	// 同步对象锁
+	mutex sync.RWMutex
+
+	// 新建实例对象的函数
+	newInstanceFunc func(mgr *SyncMgr, identifier string) *sqlSync.SyncObject
+}
+
+// 注册同步对象
+// identifier:当前数据的唯一标识（可以使用数据库表名）
+func (this *SyncMgr) RegisterSyncObj(identifier string) {
+	this.mutex.Lock()
+	defer this.mutex.Unlock()
+
+	// 判断是否设置了相同的唯一标识，以免弄混淆
+	if _, exists := this.syncObjMap[identifier]; exists {
+		prefix := fmt.Sprintf("%s-%s", identifier, "SyncMgr.RegisterSyncObj")
+		err := fmt.Errorf("%s has already existed, please change another identifier", prefix)
+		logUtil.ErrorLog(err.Error())
+		panic(err)
+	}
+
+	syncObj := this.newInstanceFunc(this, identifier)
+	syncObj.Init(this.maxFileSize)
+	this.syncObjMap[identifier] = syncObj
+
+	if debugUtil.IsDebug() {
+		fmt.Printf("%s同步对象成功注册进SyncMgr, 当前有%d个同步对象\n", identifier, len(this.syncObjMap))
+	}
+}
+
+// 保存数据
+// identifier:当前数据的唯一标识（可以使用数据库表名）
+// command:sql命令
+func (this *SyncMgr) Save(identifier string, command string) {
+	this.mutex.RLock()
+	defer this.mutex.RUnlock()
+
+	syncObj, exists := this.syncObjMap[identifier]
+	if !exists {
+		err := fmt.Errorf("syncObj:%s does not existed, please register first", identifier)
+		logUtil.ErrorLog(err.Error())
+		panic(err)
+	}
+
+	syncObj.Save(command)
+}
+
+// 构造同步管理对象
+// serverGroupId:服务器组Id
+// dirPath: 文件目录
+// maxFileSize: 大文件对象大小
+// survivalTime: 同步数据存活时间 (单位：hour)
+// dbObj: 数据库对象
+func NewSyncMgr(serverGroupId int32, dirPath string, maxFileSize int, survivalTime int, dbObj *sql.DB) *SyncMgr {
+	result := &SyncMgr{
+		serverGroupId: serverGroupId,
+		dirPath:       dirPath,
+		maxFileSize:   maxFileSize,
+		dbObj:         dbObj,
+		syncObjMap:    make(map[string]*sqlSync.SyncObject),
+		newInstanceFunc: func(mgr *SyncMgr, identifier string) *sqlSync.SyncObject {
+			handler := newSyncObject(mgr.dirPath, identifier, mgr.dbObj)
+			return sqlSync.NewSyncObject(mgr.dirPath, identifier, mgr.dbObj, handler)
+		},
+	}
+
+	return result
+}
+
+// 新建日志同步管理对象
+// serverGroupId:服务器组Id
+// dirPath: 文件目录
+// maxFileSize: 大文件对象大小
+// dbObj: 数据库对象
+func NewLogSyncMgr(serverGroupId int32, dirPath string, maxFileSize int, dbObj *sql.DB) *SyncMgr {
+	result := &SyncMgr{
+		serverGroupId: serverGroupId,
+		dirPath:       dirPath,
+		maxFileSize:   maxFileSize,
+		dbObj:         dbObj,
+		syncObjMap:    make(map[string]*sqlSync.SyncObject),
+		newInstanceFunc: func(mgr *SyncMgr, identifier string) *sqlSync.SyncObject {
+			handler := logSqlSync.NewSyncObject(mgr.serverGroupId, mgr.dirPath, identifier, mgr.dbObj)
+			return sqlSync.NewSyncObject(mgr.dirPath, identifier, mgr.dbObj, handler)
+		},
+	}
+
+	return result
+}