1/*
2 * Copyright (c) 1999-2000, Eric Moon.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions, and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions, and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * 3. The name of the author may not be used to endorse or promote products
17 *    derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
27 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31
32// node_manager_impl.h
33// * PURPOSE
34//   Helper classes & functions used by NodeManager,
35//   NodeGroup, and NodeRef.
36// * HISTORY
37//   e.moon		10jul99		Begun
38
39#ifndef __node_manager_impl_H__
40#define __node_manager_impl_H__
41
42#include "Connection.h"
43
44#include "ILockable.h"
45
46#include "cortex_defs.h"
47__BEGIN_CORTEX_NAMESPACE
48
49inline void assert_locked(const ILockable* target) {
50	ASSERT(target);
51	ASSERT(target->isLocked());
52}
53//
54//// functor: disconnect Connection
55//
56//class disconnectFn { public:
57//	NodeManager* manager;
58//	disconnectFn(NodeManager* _manager) : manager(_manager) {}
59//	void operator()(Connection* c) {
60//		ASSERT(c);
61//		ASSERT(c->isValid());
62//
63//		status_t err = manager->disconnect(c);
64//
65//#if DEBUG
66//		if(err < B_OK)
67//			PRINT((
68//				"* disconnect():\n"
69//				"  output %s:%s\n"
70//				"  input  %s:%s\n"
71//				"  error '%s'\n\n",
72//				c->sourceNode()->name(), c->outputName(),
73//				c->destinationNode()->name(), c->inputName(),
74//				strerror(err)));
75//#endif
76//	}
77//};
78//
79//// functor: release NodeRef or NodeGroup (by pointer)
80//// +++++ currently no error checking; however, the only error
81////       release() is allowed to return is that the object has
82////       already been released.
83//
84//template <class T>
85//class releaseFn { public:
86//	void operator()(T* object) {
87//		ASSERT(object);
88//		object->release();
89//	}
90//};
91
92__END_CORTEX_NAMESPACE
93#endif /*__node_manager_impl_H__*/
94
95