internal static async ValueTask DeleteViewRoute(string viewName, Transaction txn)
{
IntPtr keyPtr;
int keySize = EntityStoreWriter.CalcStringUtf8Size(viewName) + 1;
unsafe
{
byte *pk = stackalloc byte[keySize];
KeyUtil.WriteViewRouteKey(pk, viewName);
keyPtr = new IntPtr(pk);
}
var req = new ClrDeleteRequire
{
RaftGroupId = KeyUtil.META_RAFTGROUP_ID,
KeyPtr = keyPtr,
KeySize = new IntPtr(keySize),
SchemaVersion = 0,
ReturnExists = false,
DataCF = -1
};
IntPtr reqPtr;
unsafe { reqPtr = new IntPtr(&req); }
await HostApi.ExecKVDeleteAsync(txn.Handle, reqPtr);
}
/// <summary>
/// 保存编译好的服务组件或视图运行时代码
/// </summary>
/// <param name="asmName">eg: sys.HelloService or sys.CustomerView</param>
internal static ValueTask UpsertAssemblyAsync(bool isService, string asmName, byte[] asmData, Transaction txn)
{
IntPtr keyPtr;
int keySize = EntityStoreWriter.CalcStringUtf8Size(asmName) + 1;
IntPtr dataPtr = IntPtr.Zero;
unsafe
{
byte *pk = stackalloc byte[keySize];
KeyUtil.WriteAssemblyKey(isService, pk, asmName);
keyPtr = new IntPtr(pk);
dataPtr = NativeApi.NewNativeString(asmData.Length, out byte *destDataPtr);
fixed(byte *srcDataPtr = asmData)
{
Buffer.MemoryCopy(srcDataPtr, destDataPtr, asmData.Length, asmData.Length);
}
}
var req = new ClrInsertRequire
{
RaftGroupId = KeyUtil.META_RAFTGROUP_ID,
KeyPtr = keyPtr,
KeySize = new IntPtr(keySize),
DataPtr = dataPtr,
SchemaVersion = 0,
OverrideIfExists = true,
DataCF = -1
};
IntPtr reqPtr;
unsafe { reqPtr = new IntPtr(&req); }
return(HostApi.ExecKVInsertAsync(txn.Handle, reqPtr));
}
private static ValueTask <INativeData> LoadAssemblyAsync(bool isService, string asmName)
{
IntPtr keyPtr;
int keySize = EntityStoreWriter.CalcStringUtf8Size(asmName) + 1;
unsafe
{
byte *pk = stackalloc byte[keySize];
KeyUtil.WriteAssemblyKey(isService, pk, asmName);
keyPtr = new IntPtr(pk);
}
return(StoreApi.Api.ReadIndexByGetAsync(KeyUtil.META_RAFTGROUP_ID, keyPtr, (uint)keySize));
}
/// <summary>
/// 保存视图模型路由表
/// </summary>
/// <param name="viewName">eg: sys.CustomerList</param>
/// <param name="path">无自定义路由为空，有上级路由;分隔</param>
internal static ValueTask UpsertViewRoute(string viewName, string path, Transaction txn)
{
//TODO:简化Key与Value编码,直接utf8,各减去3字节字符数标记
IntPtr keyPtr;
int keySize = EntityStoreWriter.CalcStringUtf8Size(viewName) + 1;
IntPtr dataPtr = IntPtr.Zero;
int valueSize = EntityStoreWriter.CalcStringUtf8Size(path);
unsafe
{
byte *pk = stackalloc byte[keySize];
KeyUtil.WriteViewRouteKey(pk, viewName);
keyPtr = new IntPtr(pk);
if (!string.IsNullOrEmpty(path))
{
dataPtr = NativeApi.NewNativeString(valueSize, out byte *destDataPtr);
var sr = new EntityStoreWriter(destDataPtr, 0);
sr.WriteString(path, null);
}
}
var req = new ClrInsertRequire
{
RaftGroupId = KeyUtil.META_RAFTGROUP_ID,
KeyPtr = keyPtr,
KeySize = new IntPtr(keySize),
DataPtr = dataPtr,
SchemaVersion = 0,
OverrideIfExists = true,
DataCF = -1
};
IntPtr reqPtr;
unsafe { reqPtr = new IntPtr(&req); }
return(HostApi.ExecKVInsertAsync(txn.Handle, reqPtr));
}