Merge in OCI_Reliability_Enhancements branch.

1 files changed, 112 insertions, 0 deletions

diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.h b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.h
new file mode 100644
index 00000000000..96b0f4d0317
--- /dev/null
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.h
@@ -0,0 +1,112 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file   FT_Storable_Naming_Context.h
+ *
+ *  $Id$
+ *
+ *  @author Kevin Stanley <stanleyk@ociweb.com>
+ */
+//=============================================================================
+
+
+#ifndef TAO_FT_STORABLE_NAMING_CONTEXT_H
+#define TAO_FT_STORABLE_NAMING_CONTEXT_H
+#include /**/ "ace/pre.h"
+
+#include "orbsvcs/Naming/Storable_Naming_Context.h"
+#include "orbsvcs/Naming/FaultTolerant/ftnaming_export.h"
+#include "orbsvcs/orbsvcs/PortableGroupC.h"
+#include "orbsvcs/Naming/FaultTolerant/FT_Naming_Manager.h"
+#include "orbsvcs/FT_NamingReplicationC.h"
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class FT_TAO_Storable_Naming_Context
+ *
+ * @brief This class specializes the TAO_Storable_Naming_Context
+ * 'ConcreteImplementor' in the Bridge pattern architecture of the
+ * CosNaming::NamingContext implementation.
+ *
+ */
+class TAO_FtNaming_Export TAO_FT_Storable_Naming_Context :
+      public TAO_Storable_Naming_Context
+{
+public:
+  // = Initialization and termination methods.
+
+  /**
+   * Constructor that takes in preallocated data structure and takes
+   * ownership of it.  Derived class from TAO_Persistent_Naming_Context
+   * provides specialization of the resolve operation to support
+   * load balancing.
+   */
+  TAO_FT_Storable_Naming_Context (CORBA::ORB_ptr orb,
+                                  PortableServer::POA_ptr poa,
+                                  const char *poa_id,
+                                  TAO_Storable_Naming_Context_Factory *cxt_factory,
+                                  TAO::Storable_Factory *factory);
+
+  /// Destructor.
+  virtual ~TAO_FT_Storable_Naming_Context (void);
+
+  /**
+   * Override the resolve operation to support load balancing using
+   * the object group manager and associated strategy.
+   */
+  virtual CORBA::Object_ptr resolve (const CosNaming::Name &n);
+
+  // Set the Naming Manager as a static so that it is available for all
+  // naming context implementations.
+  static void set_naming_manager (TAO_FT_Naming_Manager *mgr_impl);
+
+  bool is_object_group (const CORBA::Object_ptr obj) const;
+
+ /**
+  * Tell the peer replica that this context has been updated.
+  * Returns 0 if successfully reported.  Returns 1 if no peer
+  * has been registered. Returns -1 on failure to communicate
+  * with the peer.
+  */
+  int propagate_update_notification (FT_Naming::ChangeType change_type);
+
+ /**
+  * Find the indicated context below this context.  Returns 0
+  * if it cannot be found.
+  */
+  TAO_FT_Storable_Naming_Context* find_relative_context (
+                              const CosNaming::Name &n);
+
+  /**
+   * Mark the implementation as stale for replicated persistence support.
+   */
+  virtual void stale (bool is_stale);
+
+  virtual bool stale (void);
+
+  /**
+   * An internal utility used to signal that this context was updated.
+   * Check the last_changed_ attribute for the time of the write.
+   */
+  void context_written (void);
+
+  /**
+   * An internal callback invoked by the File_Open_Lock_and_Check
+   * object to determine if this context is obsolete with respect to the
+   * file object .
+   */
+  virtual bool is_obsolete (time_t stored_time);
+
+protected:
+
+  static TAO_FT_Naming_Manager *naming_manager_;
+  bool stale_;
+
+};
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+#endif /* TAO_FT_STORABLE_NAMING_CONTEXT_H */