IDL file for the concurrency service

1 files changed, 100 insertions, 0 deletions

diff --git a/TAO/orbsvcs/orbsvcs/CosConcurrencyControl.idl b/TAO/orbsvcs/orbsvcs/CosConcurrencyControl.idl
new file mode 100644
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+++ b/TAO/orbsvcs/orbsvcs/CosConcurrencyControl.idl
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+/* -*- C++ -*- */
+// $Id$
+
+// ============================================================================
+//
+// = LIBRARY
+//    cos
+//
+// = FILENAME
+//    CosTransaction.idl
+//
+// = DESCRIPTION
+//    The concurrency service description is downloaded from
+//    ftp://www.omg.org/pub/docs/formal/97-11-02.idl
+//
+// = AUTHOR
+//    OMG and Torben Worm <tworm@cs.wustl.edu>
+//
+// ============================================================================
+
+//CONCURRENCY CONTROL SERVICE
+//described in CORBAservices: Common Object Services Specification, chapter 7
+
+
+//CosConcurrencyControl Module, page 7-8
+//Includes the following interfaces:
+//  LockCoordinator, LockSet, TransactionalLockSet, LockSetFactory
+
+// The part depending on the transaction service may be included by defining
+// TAO_HAS_TRANSACTION_CONTROL_SERVICE
+
+#if defined(TAO_HAS_TRANSACTION_CONTROL_SERVICE)
+#include <CosTransactions.idl>
+#endif
+
+module CosConcurrencyControl {
+
+    enum lock_mode {
+        read,
+        write,
+        upgrade,
+        intention_read,
+        intention_write
+    };
+
+    exception LockNotHeld{};
+
+    interface LockCoordinator
+    {
+	        void drop_locks();
+    };
+
+    interface LockSet
+    {
+        void lock(in lock_mode mode);
+        boolean try_lock(in lock_mode mode);
+
+        void unlock(in lock_mode mode)
+            raises(LockNotHeld);
+        void change_mode(in lock_mode held_mode,
+                         in lock_mode new_mode)
+           raises(LockNotHeld);
+	#if defined(TAO_HAS_TRANSACTION_CONTROL_SERVICE)
+        LockCoordinator get_coordinator(
+            in CosTransactions::Coordinator which);
+	#endif // TAO_HAS_TRANSACTION_CONTROL_SERVICE
+    };
+
+    #if defined(TAO_HAS_TRANSACTION_CONTROL_SERVICE)
+    interface TransactionalLockSet
+    {
+        void lock(in CosTransactions::Coordinator current,
+                  in lock_mode mode);
+        boolean try_lock(in CosTransactions::Coordinator current,
+                         in lock_mode mode);
+        void unlock(in CosTransactions::Coordinator current,
+                    in lock_mode mode)
+           raises(LockNotHeld);
+        void change_mode(in CosTransactions::Coordinator current,
+                         in lock_mode held_mode,
+                         in lock_mode new_mode)
+           raises(LockNotHeld);
+        LockCoordinator get_coordinator(
+            in CosTransactions::Coordinator which);
+    };
+    #endif // TAO_HAS_TRANSACTION_CONTROL_SERVICE
+
+    interface LockSetFactory
+    {
+        LockSet create();
+        LockSet create_related(in LockSet which);
+	#if defined(TAO_HAS_TRANSACTION_CONTROL_SERVICE)
+        TransactionalLockSet create_transactional();
+        TransactionalLockSet create_transactional_related(in
+            TransactionalLockSet which);
+	#endif // TAO_HAS_TRANSACTION_CONTROL_SERVICE
+    };
+};
+
+