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singleton.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2013-2014 - Adjacent Link LLC, Bridgewater, New Jersey
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Adjacent Link LLC nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef EMANEUTILSSINGLETON_HEADER_
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#define EMANEUTILSSINGLETON_HEADER_
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namespace
EMANE
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{
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namespace
Utils
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{
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template
<
typename
T>
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class
Singleton
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{
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public
:
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static
T *
instance
()
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{
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static
T * pInstance{
new
f{}};
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return
pInstance;
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}
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static
void
destroy
()
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{
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delete
instance
();
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}
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private
:
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class
f :
public
T
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{
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friend
Singleton<T>
;
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};
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};
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}
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}
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#endif // EMANEUTILSSINGLETON_HEADER_
EMANE::Utils::Singleton
Ensure a class only has one instance, and provide a global point of access to it. ...
Definition:
singleton.h:47
EMANE::Utils::Singleton::destroy
static void destroy()
Definition:
singleton.h:67
EMANE::Utils::Singleton::instance
static T * instance()
Definition:
singleton.h:56
EMANE
Definition:
agent.h:43
include
emane
utils
singleton.h
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