/usr/include/gdcm-2.4/gdcmULTransitionTable.h is in libgdcm2-dev 2.4.4-3+deb8u1.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef GDCMULTRANSITIONTABLE_H
#define GDCMULTRANSITIONTABLE_H
#include "gdcmNetworkStateID.h"
#include "gdcmNetworkEvents.h"
#include "gdcmULAction.h"
#include <cstdlib> // NULL
namespace gdcm {
class Subject;
namespace network{
class ULConnection;
class ULAction;
class ULEvent;
//The transition dictates the action that should be taken from the start state to the end state
struct Transition {
int mEnd;
ULAction* mAction;
Transition(){
mEnd = eStaDoesNotExist;
mAction = NULL;
}
~Transition(){
if (mAction != NULL){
delete mAction;
mAction = NULL;
}
}
Transition(int inEndState, ULAction* inAction){
mEnd = inEndState;
mAction = inAction;
}
static Transition* MakeNew(int inEndState, ULAction* inAction){
return new Transition(inEndState, inAction);
}
};
//used to define a row in table 9-10 of 3.8 2009
//the transition table is events, then state,
//then the transition itself (which has the event
//and start state implied by their starting locations)
//don't need to store the event; that's implicitly defined in the Table itself by location
class TableRow{
public:
TableRow() {
for(int stateIndex = 0; stateIndex < cMaxStateID; ++stateIndex)
{
transitions[stateIndex] = NULL;
}
}
~TableRow() {
for(int stateIndex = 0; stateIndex < cMaxStateID; ++stateIndex)
{
Transition *t = transitions[stateIndex];
delete t;
}
}
Transition *transitions[cMaxStateID];
//copy constructor for stl additions into the transition table below.
};
/**
* \brief ULTransitionTable
* The transition table of all the ULEvents, new ULActions, and ULStates.
*
* Based roughly on the solutions in player2.cpp in the boost examples and this
* so question:
* http://stackoverflow.com/questions/1647631/c-state-machine-design
*
* The transition table is constructed of TableRows. Each row is based on an
* event, and an event handler in the TransitionTable object takes a given
* event, and then finds the given row.
*
* Then, given the current state of the connection, determines the appropriate
* action to take and then the state to transition to next.
*
*/
class ULTransitionTable
{
private:
TableRow mTable[cMaxEventID];
public:
ULTransitionTable();
void HandleEvent(Subject*s,ULEvent& inEvent, ULConnection& inConnection,
bool& outWaitingForEvent, EEventID& outRaisedEvent) const;
void PrintTable() const; //so that the table can be printed and verified against the DICOM standard
};
}
}
#endif // GDCMULTRANSITIONTABLE_H
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