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76 lines
1.8 KiB
Plaintext
Executable File
76 lines
1.8 KiB
Plaintext
Executable File
-- File: DDF_Transaction.cdl
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-- -------------------
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-- Author: DAUTRY Philippe
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-- <fid@fox.paris1.matra-dtv.fr>
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---Copyright: MATRA DATAVISION 1997
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---Version: 0.0
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---History: Version Date Purpose
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-- 0.0 Nov 4 1997 Creation
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class Transaction from DDF
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inherits TShared from MMgt
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---Purpose: This class encapsulates TDF_Transaction.
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uses
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Data from TDF,
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Delta from TDF,
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Transaction from TDF
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raises
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DomainError, NullObject from Standard
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is
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Create
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returns Transaction from DDF;
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---Purpose: Creates an empty transaction context, unable to be
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-- opened.
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Create(aDF : Data from TDF)
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returns Transaction from DDF;
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---Purpose: Creates a transaction context on <aDF>, ready to
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-- be opened.
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Open(me : mutable)
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returns Integer from Standard;
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---Purpose: If not yet done, opens a new transaction on
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-- <myDF>. Returns the index of the just opened
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-- transaction.
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--
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-- It raises DomainError if the transaction is
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-- already open, and NullObject if there is no
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-- current Data framework.
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Commit(me : mutable;
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withDelta : Boolean from Standard = Standard_False)
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returns Delta from TDF;
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---Purpose: Commits the transactions until AND including the
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-- current opened one.
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Abort(me : mutable);
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---Purpose: Aborts the transactions until AND including the
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-- current opened one.
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--
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---C++: alias ~
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Data(me) returns Data from TDF;
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---Purpose: Returns the Data from TDF.
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Transaction(me) returns Integer from Standard;
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---Purpose: Returns the number of the transaction opened by <me>.
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IsOpen(me)
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returns Boolean from Standard;
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---Purpose: Returns true if the transaction is open.
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fields
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myTransaction : Transaction from TDF;
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end Transaction;
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