intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 50 insertions, 0 deletions

diff --git a/library/cpp/logger/uninitialized_creator.cpp b/library/cpp/logger/uninitialized_creator.cpp
new file mode 100644
index 0000000000..26dd168529
--- /dev/null
+++ b/library/cpp/logger/uninitialized_creator.cpp
@@ -0,0 +1,50 @@
+#include "uninitialized_creator.h"
+#include "filter_creator.h"
+#include "thread_creator.h"
+#include "file_creator.h"
+#include "null_creator.h"
+#include <util/string/cast.h>
+
+THolder<TLogBackend> TLogBackendCreatorUninitialized::DoCreateLogBackend() const {
+    return Slave->CreateLogBackend();
+}
+
+void TLogBackendCreatorUninitialized::InitCustom(const TString& type, ELogPriority priority, bool threaded) {
+    if (!type) {
+        Slave = MakeHolder<TNullLogBackendCreator>();
+    } else if (TFactory::Has(type)) {
+        Slave = TFactory::MakeHolder(type);
+    } else {
+        Slave = MakeHolder<TFileLogBackendCreator>(type);
+    }
+
+    if (threaded) {
+        Slave = MakeHolder<TOwningThreadedLogBackendCreator>(std::move(Slave));
+    }
+
+    if (priority != LOG_MAX_PRIORITY) {
+        Slave = MakeHolder<TFilteredBackendCreator>(std::move(Slave), priority);
+    }
+}
+
+bool TLogBackendCreatorUninitialized::Init(const IInitContext& ctx) {
+    auto type = ctx.GetOrElse("LoggerType", TString());
+    bool threaded = ctx.GetOrElse("Threaded", false);
+    ELogPriority priority = LOG_MAX_PRIORITY;
+    TString prStr;
+    if (ctx.GetValue("LogLevel", prStr)) {
+        if (!TryFromString(prStr, priority)) {
+            priority = (ELogPriority)FromString<int>(prStr);
+        }
+    }
+    InitCustom(type, priority, threaded);
+    return Slave->Init(ctx);
+}
+
+
+void TLogBackendCreatorUninitialized::ToJson(NJson::TJsonValue& value) const {
+    Y_VERIFY(Slave, "Serialization off uninitialized LogBackendCreator");
+    Slave->ToJson(value);
+}
+
+ILogBackendCreator::TFactory::TRegistrator<TLogBackendCreatorUninitialized> TLogBackendCreatorUninitialized::Registrar("");