/usr/include/mama/MamaSourceGroup.h is in libmama-dev 2.2.2.1-11.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | /* $Id$
*
* OpenMAMA: The open middleware agnostic messaging API
* Copyright (C) 2011 NYSE Technologies, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef MamaSourceGroup_CPP_H__
#define MamaSourceGroup_CPP_H__
#include <mama/types.h>
#include <mama/MamaSourceStateChangeCallback.h>
namespace Wombat
{
class MamaSource;
class MamaSourceStateChangeCallback;
/**
* A MAMA source group monitors a set of MAMA sources that presumably
* provide a duplicate set of data. Each member of the group is given
* a priority and the member with the highest priority is given the
* mamaSourceState, MAMA_SOURCE_STATE_OK; the other members of the
* group are given the state, MAMA_SOURCE_STATE_OFF.
*/
class MAMACPPExpDLL MamaSourceGroup
{
public:
MamaSourceGroup (const char* name);
~MamaSourceGroup ();
const char* getName () const;
MamaSource* find (const char* sourceName);
const MamaSource* find (const char* sourceName) const;
void add (MamaSource* source,
mama_u32_t weight);
void add (const char* sourceName,
mama_u32_t weight,
MamaSource* source);
void setWeight (const char* sourceName,
mama_u32_t weight);
mama_u32_t getWeight (const char* sourceName) const;
mama_size_t size () const;
/**
* Applications interested in event notifications can register
* for events.
* @param cb callback to register
*/
void registerStateChangeCallback (MamaSourceStateChangeCallback& cb);
/**
* Applications interested in event notifications can unregister
* for events.
* @param cb callback to unregister
*/
void unregisterStateChangeCallback (MamaSourceStateChangeCallback& cb);
/**
* Re-evaluate the group by checking all of the relative weights
* and changing the state of each MamaSource in the group as
* appropriate. Returns true if any states were changed;
* otherwise false.
*/
bool reevaluate ();
class MAMACPPExpDLL iterator
{
protected:
friend class MamaSourceGroup;
struct iteratorImpl;
iteratorImpl& mImpl;
public:
iterator ();
iterator (const iterator& copy);
iterator (const iteratorImpl& copy);
~iterator ();
iterator& operator= (const iterator& rhs);
const iterator& operator= (const iterator& rhs) const;
iterator& operator++ ();
const iterator& operator++ () const;
bool operator== (const iterator& rhs) const;
bool operator!= (const iterator& rhs) const;
MamaSource* operator* ();
const MamaSource* operator* () const;
};
typedef const iterator const_iterator;
iterator begin ();
const_iterator begin () const;
iterator end ();
const_iterator end () const;
private:
struct MamaSourceGroupImpl;
MamaSourceGroupImpl& myImpl;
// No copy contructor nor assignment operator.
MamaSourceGroup (const MamaSourceGroup& rhs);
MamaSourceGroup& operator= (const MamaSourceGroup& rhs);
};
} // namespace Wombat
#endif // MamaSourceGroup_CPP_H__
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