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//File: CosStream.idl
//Part of the Externalization Service
// Modified from version 1.0 to include the previous CosCompoundExternalization module
#ifndef _COS_STREAM_IDL_
#define _COS_STREAM_IDL_
// omniORB specific pragmas to insert extra includes into the stub header.
#pragma hh #include "COS_sysdep.h"
#include <CosLifeCycle.idl>
#include <CosObjectIdentity.idl>
#include <CosGraphs.idl>
#pragma prefix "omg.org"
module CosStream {
exception ObjectCreationError{};
exception StreamDataFormatError{};
interface StreamIO;
interface Node;
interface Role;
interface Relationship;
interface Streamable:
CosObjectIdentity::IdentifiableObject {
readonly attribute CosLifeCycle::Key external_form_id;
void externalize_to_stream(
in StreamIO targetStreamIO);
void internalize_from_stream(
in StreamIO sourceStreamIO,
in CosLifeCycle::FactoryFinder there)
raises( CosLifeCycle::NoFactory,
ObjectCreationError,
StreamDataFormatError );
};
interface StreamableFactory {
Streamable create_uninitialized();
};
interface StreamIO {
void write_string(in string aString);
void write_char(in char aChar);
void write_octet(in octet anOctet);
void write_unsigned_long(
in unsigned long anUnsignedLong);
void write_unsigned_short(
in unsigned short anUnsignedShort);
void write_long(in long aLong);
void write_short(in short aShort);
void write_float(in float aFloat);
void write_double(in double aDouble);
void write_boolean(in boolean aBoolean);
void write_object(in Streamable aStreamable);
void write_graph(in Node aNode);
string read_string()
raises(StreamDataFormatError);
char read_char()
raises(StreamDataFormatError );
octet read_octet()
raises(StreamDataFormatError );
unsigned long read_unsigned_long()
raises(StreamDataFormatError );
unsigned short read_unsigned_short()
raises( StreamDataFormatError );
long read_long()
raises(StreamDataFormatError );
short read_short()
raises(StreamDataFormatError );
float read_float()
raises(StreamDataFormatError );
double read_double()
raises(StreamDataFormatError );
boolean read_boolean()
raises(StreamDataFormatError );
Streamable read_object(
in CosLifeCycle::FactoryFinder there,
in Streamable aStreamable)
raises(StreamDataFormatError );
void read_graph(
in Node starting_node,
in CosLifeCycle::FactoryFinder there)
raises(StreamDataFormatError );
};
// the following are required for compound externalization
struct RelationshipHandle {
CosRelationships::Relationship theRelationship;
CosObjectIdentity::ObjectIdentifier constantRandomId;
};
interface Node : CosGraphs::Node, CosStream::Streamable{
void externalize_node (in CosStream::StreamIO sio);
void internalize_node (in CosStream::StreamIO sio,
in CosLifeCycle::FactoryFinder there,
out Roles rolesOfNode)
raises ( CosLifeCycle::NoFactory);
};
interface Role : CosGraphs::Role {
void externalize_role (in CosStream::StreamIO sio);
void internalize_role (in CosStream::StreamIO sio);
CosGraphs::PropagationValue externalize_propagation (
in RelationshipHandle rel,
in CosRelationships::RoleName toRoleName,
out boolean sameForAll);
};
interface Relationship : CosRelationships::Relationship {
void externalize_relationship (
in CosStream::StreamIO sio);
void internalize_relationship(
in CosStream::StreamIO sio,
in CosGraphs::NamedRoles newRoles);
CosGraphs::PropagationValue externalize_propagation (
in CosRelationships::RoleName fromRoleName,
in CosRelationships::RoleName toRoleName,
out boolean sameForAll);
};
interface PropagationCriteriaFactory {
CosGraphs::TraversalCriteria create_for_externalize( );
};
};
#endif /* ifndef _COS_STREAM_IDL_ */
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