1 files changed, 52 insertions, 0 deletions
diff --git a/src/lib/dns/rdata_pimpl_holder.h b/src/lib/dns/rdata_pimpl_holder.h
new file mode 100644
index 0000000..baa343a
--- /dev/null
+++ b/src/lib/dns/rdata_pimpl_holder.h
@@ -0,0 +1,52 @@
+// Copyright (C) 2014-2015 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef DNS_RDATA_PIMPL_HOLDER_H
+#define DNS_RDATA_PIMPL_HOLDER_H 1
+
+#include <boost/noncopyable.hpp>
+
+#include <cstddef> // for NULL
+
+namespace isc {
+namespace dns {
+namespace rdata {
+
+template <typename T>
+class RdataPimplHolder : boost::noncopyable {
+public:
+    RdataPimplHolder(T* obj = NULL) :
+        obj_(obj)
+    {}
+
+    ~RdataPimplHolder() {
+        delete obj_;
+    }
+
+    void reset(T* obj = NULL) {
+        delete obj_;
+        obj_ = obj;
+    }
+
+    T* get() {
+        return (obj_);
+    }
+
+    T* release() {
+        T* obj = obj_;
+        obj_ = NULL;
+        return (obj);
+    }
+
+private:
+    T* obj_;
+};
+
+} // namespace rdata
+} // namespace dns
+} // namespace isc
+
+#endif // DNS_RDATA_PIMPL_HOLDER_H