?? state.cpp
字號:
//State.cpp
#include "State.h"
#include "Context.h"
#include <iostream>
using namespace std;
State::State()
{
}
State::~State()
{
}
void State::OperationInterface (Context* con)
{
cout<<"State::.."<<endl;
}
bool State::ChangeState(Context* con,State* st)
{
con->ChangeState(st);
return true;
}
void State::OperationChangeState(Context* con)
{
}
///
ConcreteStateA::ConcreteStateA()
{
}
ConcreteStateA::~ConcreteStateA()
{
}
void ConcreteStateA::OperationInterface (Context* con)
{
cout<<"ConcreteStateA::OperationInterface ......"<<endl;
}
void ConcreteStateA::OperationChangeState(Context* con)
{
OperationInterface(con);
this->ChangeState(con,new ConcreteStateB());
}
///
ConcreteStateB::ConcreteStateB()
{
}
ConcreteStateB::~ConcreteStateB()
{
}
void ConcreteStateB::OperationInterface (Context* con)
{
cout<<"ConcreteStateB::OperationInterface......"<<endl;
}
void ConcreteStateB::OperationChangeState (Context* con)
{
OperationInterface(con);
this->ChangeState(con,new ConcreteStateA());
}
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