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Commit935a2e6

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Start defining the Corba work...From: Taral <taral@cyberjunkie.com>
1 parent0856cdf commit935a2e6

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‎src/corba/CosQueryCollection.idl

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/* RCS $Id: CosQueryCollection.idl,v 1.1 1998/11/16 18:03:34 scrappy Exp $
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*
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* ----------------------------------------------------------------------------
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* This is unmarked software provided by the Object Management Group,Inc. (OMG)
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* ----------------------------------------------------------------------------
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*/
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/**
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* CosQueryCollection is the Common Object Services Specification query
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* query colleciton module as it it appears in COSS1, v1.0.
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*/
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#ifndef CosQueryCollection_idl
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#define CosQueryCollection_idl
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module CosQueryCollection {
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exception ElementInvalid {};
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exception IteratorInvalid {};
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exception PositionInvalid {};
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typedef string Istring;
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struct NVPair {
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Istring name;
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any value;
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};
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typedef sequence<NVPair> ParameterList;
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interface Collection;
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interface Iterator;
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interface CollectionFactory {
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Collection create (in ParameterList params);
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};
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interface Collection {
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readonly attribute long cardinality;
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void add_element (in any element)
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raises(ElementInvalid);
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void add_all_elements (in Collection elements)
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raises(ElementInvalid);
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void insert_element_at (in any element, in Iterator where)
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raises(IteratorInvalid,
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ElementInvalid);
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void replace_element_at (in any element, in Iterator where)
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raises(IteratorInvalid,
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PositionInvalid,
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ElementInvalid);
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void remove_element_at (in Iterator where)
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raises(IteratorInvalid,
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PositionInvalid);
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void remove_all_elements ();
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any retrieve_element_at (in Iterator where)
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raises(IteratorInvalid,
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PositionInvalid);
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Iterator create_iterator ();
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};
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interface Iterator {
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any next ()
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raises(IteratorInvalid,
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PositionInvalid);
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void reset ();
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boolean more ();
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};
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};
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#endif // CosQueryCollection_idl
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‎src/corba/pgsql.idl

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#include "CosQueryCollection.idl"
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#ifndef pgsql_idl
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#define pgsql_idl
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module PostgreSQL {
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// Built-in types
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module Types {
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// Arrays in network order
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typedef short int2;
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typedef long int4;
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typedef long int8[2];
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};
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// NULL support
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typedef boolean Null;
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union Value switch (Null) {
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case false: any value;
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};
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typedef sequence<Value> Row;
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// <info>
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// More about the application of COSS:
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//
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// A Table will be a QueryableCollection of Rows
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// A Database will be a QueryableCollection of Tables
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// Both will be queryable via the Query Service
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//
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// Other relations will be representable using the Relationship Service
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// This includes primary/foreign keys and anything else :)
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//
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// GRANT/REVOKE can be supplied via the Security Service
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//
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// See a pattern here? The whole of SQL can be implemented by these services!
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// The statements go through a parser. Queries and subqueries are passed to the
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// database for processing. Returned items are handled appropriately:
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//
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// SELECT: return the items to the caller
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// UPDATE: modify the items (direct)
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// DELETE: call delete() on each Row (direct)
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// GRANT/REVOKE: modify ACLs (via Security Service)
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// ALTER: modify the items (direct) and/or the relations (via Relationship Service)
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// etc.
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//
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// I'm not sure yet about LOCK and UNLOCK.
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// </info>
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// Query result interface
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//
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// Should the iterator support a 'boolean skip(in long n)' extension?
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interface QueryResult : CosQueryCollection::Collection {};
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interface QueryResultIterator : CosQueryCollection::Iterator {};
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// Connected database object
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interface Database {
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QueryResult exec(in string query);
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void disconnect();
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};
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// Server object (stateless)
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interface Server {
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Database connect(in string db, in string user, in string password);
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};
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};
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#endif // pgsql_idl

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