1 files changed, 74 insertions, 0 deletions
diff --git a/TAO/tao/PortableServer/Operation_Table_Perfect_Hash.h b/TAO/tao/PortableServer/Operation_Table_Perfect_Hash.h
new file mode 100644
index 00000000000..00338dcc2c7
--- /dev/null
+++ b/TAO/tao/PortableServer/Operation_Table_Perfect_Hash.h
@@ -0,0 +1,74 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    Operation_Table_Perfect_Hash.h
+ *
+ *  $Id$
+ *
+ *  @author Aniruddha Gokhale
+ */
+//=============================================================================
+
+#ifndef TAO_OPERATION_TABLE_PERFECT_HASH_H
+#define TAO_OPERATION_TABLE_PERFECT_HASH_H
+
+#include /**/ "ace/pre.h"
+
+#include "tao/PortableServer/portableserver_export.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "tao/PortableServer/Operation_Table.h"
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/**
+ * @class TAO_Perfect_Hash_OpTable
+ *
+ * @brief Helper class  for use of perfect hashing operation lookup
+ * strategy.
+ *
+ * This class declares pure virtual methods called 'lookup ()'
+ * and 'hash ()' which will be generated by the GPERF
+ * program. These methods are used by 'bind ()' and 'find ()'
+ * methods. Subclasses will define the lookup and hash
+ * functions.
+ */
+class TAO_PortableServer_Export TAO_Perfect_Hash_OpTable
+  : public TAO_Operation_Table
+{
+public:
+
+  /// Do nothing destrctor.
+  virtual ~TAO_Perfect_Hash_OpTable (void);
+
+  /// See the documentation in the base class for details.
+  virtual int find (const char *opname,
+                    TAO_Skeleton &skelfunc,
+                    const unsigned int length = 0);
+
+  virtual int find (const char *opname,
+                    TAO_Collocated_Skeleton &skelfunc,
+                    TAO::Collocation_Strategy s,
+                    const unsigned int length = 0);
+
+  virtual int bind (const char *opname,
+                    const TAO::Operation_Skeletons skel_ptr);
+
+private:
+  // = Methods that should defined by the subclasses. GPERF program
+  //   will generate these routines.
+
+  virtual unsigned int hash (const char *str, unsigned int len) = 0;
+
+  virtual const TAO_operation_db_entry* lookup (const char *str,
+                                                unsigned int len) = 0;
+};
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+#endif /* TAO_OPERATION_TABLE_PERFECT_HASH_H */