77 lines
1.2 KiB
C++
77 lines
1.2 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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#include "ns3/ptr.h"
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#include "ns3/object.h"
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#include <iostream>
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using namespace ns3;
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class A : public Object
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{
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public:
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A ();
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~A ();
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void Method (void);
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};
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A::A ()
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{
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std::cout << "A constructor" << std::endl;
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}
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A::~A()
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{
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std::cout << "A destructor" << std::endl;
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}
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void
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A::Method (void)
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{
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std::cout << "A method" << std::endl;
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}
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static Ptr<A> g_a = 0;
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static Ptr<A>
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StoreA (Ptr<A> a)
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{
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Ptr<A> prev = g_a;
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g_a = a;
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return prev;
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}
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static void
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ClearA (void)
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{
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g_a = 0;
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}
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int main (int argc, char *argv[])
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{
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{
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// Create a new object of type A, store it in global
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// variable g_a
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Ptr<A> a = MakeNewObject<A> ();
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a->Method ();
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Ptr<A> prev = StoreA (a);
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NS_ASSERT (prev == 0);
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}
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{
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// Create a new object of type A, store it in global
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// variable g_a, get a hold on the previous A object.
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Ptr<A> a = MakeNewObject<A> ();
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Ptr<A> prev = StoreA (a);
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// call method on object
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prev->Method ();
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// Clear the currently-stored object
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ClearA ();
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// get the raw pointer and release it.
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A *raw = GetPointer (prev);
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prev = 0;
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raw->Method ();
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raw->Unref ();
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}
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return 0;
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}
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