generic_filter.cc

来自「这是一个著名的应用层组播中间件的源码」· CC 代码 · 共 93 行

//Copyright (c) 2004, Charles Killian, Adolfo Rodriguez, Dejan Kostic, Sooraj Bhat, and Amin Vahdat
//All rights reserved.
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in
//     the documentation and/or other materials provided with the
//     distribution.
//   * Neither the names of Duke University nor The University of
//     California, San Diego, nor the names of its contributors
//     may be used to endorse or promote products derived from
//     this software without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
//AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
//IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
//DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
//FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
//DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
//SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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//USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "generic_filter.h"
generic_filter::generic_filter():value( 0)
{
}
generic_filter::~generic_filter()
{
}

// ---------------------------------------------- 
// update
// ---------------------------------------------- 

void  generic_filter::update (double incoming)
{
  //no filter
  value = incoming;
}

// ---------------------------------------------- 
// get_value
// ---------------------------------------------- 

double  generic_filter::get_value ()
{
  return value;
}

// ---------------------------------------------- 
// operator double
// ---------------------------------------------- 

//  double  generic_filter::operator double ()
//  {
//    return get_value();
//  }

// ---------------------------------------------- 
// operator <
// ---------------------------------------------- 

int  generic_filter::operator < (const generic_filter& incoming)
{
  return value < incoming.value;
}

// ---------------------------------------------- 
// operator >
// ---------------------------------------------- 

int  generic_filter::operator > (const generic_filter& incoming)
{
  return value > incoming.value;

}

// ---------------------------------------------- 
// operator ==
// ---------------------------------------------- 

int  generic_filter::operator == (const generic_filter& incoming)
{
  return value == incoming.value;

}