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148 lines
4.1 KiB
148 lines
4.1 KiB
/*
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Copyright (C) 2000 Stefan Westerfeld
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stefan@space.twc.de
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef FLOWSYSTEM_H
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#define FLOWSYSTEM_H
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#include "arts_export.h"
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#include "object.h"
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#include "common.h"
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/*
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* BC - Status (2002-03-08): ScheduleNode, FlowSystem, FlowSystem_impl,
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* RemoteScheduleNode
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*
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* Heavy interactions with generated and hand-written code, flowsystem binding
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* and whatever. DO KEEP COMPATIBLE. Do not change the underlying IDL MODEL.
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* d ptrs available.
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*/
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namespace Arts {
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class Object_skel;
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class Object_stub;
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class RemoteScheduleNode;
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class ScheduleNodePrivate;
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class ARTS_EXPORT ScheduleNode
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{
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private:
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Object_base *_nodeObject;
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ScheduleNodePrivate *d; // unused
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public:
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ScheduleNode(Object_base *object);
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virtual ~ScheduleNode();
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Object nodeObject();
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// check if this is a remote schedule node
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virtual RemoteScheduleNode *remoteScheduleNode();
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// other casts
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virtual void *cast(const std::string& target);
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// internal interface against Object_skel
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typedef bool (*QueryInitStreamFunc)(Object_skel *object,
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const std::string& name);
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virtual void initStream(const std::string& name, void *ptr, long flags) = 0;
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// interface against node implementation
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virtual void requireFlow() = 0;
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virtual void virtualize(const std::string& port, ScheduleNode *implNode,
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const std::string& implPort) = 0;
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virtual void devirtualize(const std::string& port, ScheduleNode *implNode,
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const std::string& implPort) = 0;
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// interface to modify the node from outside
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virtual void start() = 0;
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virtual void stop() = 0;
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virtual void connect(const std::string& port, ScheduleNode *remoteNode,
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const std::string& remotePort) = 0;
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virtual void disconnect(const std::string& port, ScheduleNode *remoteNode,
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const std::string& remotePort) = 0;
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// constant values
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virtual void setFloatValue(const std::string& port, float value) = 0;
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};
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class RemoteScheduleNodePrivate;
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class ARTS_EXPORT RemoteScheduleNode : public ScheduleNode
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{
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private:
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RemoteScheduleNodePrivate *d; // unused
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public:
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RemoteScheduleNode(Object_stub *stub);
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RemoteScheduleNode *remoteScheduleNode();
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// internal interface against Object_skel
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void initStream(const std::string& name, void *ptr, long flags);
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// interface against node implementation
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void requireFlow();
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virtual void virtualize(const std::string& port, ScheduleNode *implNode,
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const std::string& implPort);
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virtual void devirtualize(const std::string& port, ScheduleNode *implNode,
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const std::string& implPort);
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// interface to modify the node from outside
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void start();
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void stop();
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void connect(const std::string& port, ScheduleNode *remoteNode,
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const std::string& remotePort);
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void disconnect(const std::string& port, ScheduleNode *remoteNode,
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const std::string& remotePort);
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// constant values
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void setFloatValue(const std::string& port, float value);
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};
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class FlowSystem_impl_private;
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class FlowSystem_impl :virtual public FlowSystem_skel
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{
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private:
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FlowSystem_impl_private *d;
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public:
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virtual ScheduleNode *addObject(Object_skel *object) = 0;
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virtual void removeObject(ScheduleNode *node) = 0;
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virtual bool suspendable() = 0;
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virtual bool suspended() = 0;
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virtual void suspend() = 0;
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virtual void restart() = 0;
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};
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}
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#endif
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