src/T2DLL/T2CustomerTableIterator.cpp


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#include "StdAfx.h"
#include "T2CustomerTableIterator.h"
#include "T2TenantMemberDef.h"
#include "T2TenantMemberTableDef.h"
#include "UT2Utils.h"

T2CustomerTableIterator::T2CustomerTableIterator(const T2TenantMemberTableDef* inTable) {
    mTable = inTable;

    if (mTable) {
        mLastNum = mTable->GetNumOfElem();
        mBound = UT2Utils::Randomize(mLastNum);
        mNextIndex = -1;
    } else {
        mNextIndex = -2;
    }
}

T2CustomerTableIterator::~T2CustomerTableIterator() {
}

BOOL T2CustomerTableIterator::Next(T2TenantMemberDef*& outMemberDef, unsigned int& outRate) {
    BOOL result = false;
    BOOL done = false;

    while (!done) {
        CalcNextIndex();
        if (mNextIndex != -2) {
            T2TenantMemberDef *theMember = mTable->GetElem(mNextIndex);
            if (theMember) {
                unsigned int rate = UT2Utils::Float2Int(theMember->GetRate());
                if (rate > 0) {
                    outMemberDef = theMember;
                    outRate = rate;
                    done = true;
                    result = true;
                }
            } else {
                done = true;
            }
        } else {
            done = true;
        }
    }

    return result;
}

void T2CustomerTableIterator::CalcNextIndex() {
    if (mNextIndex == -1) {
        mNextIndex = mBound;
    } else if (mNextIndex != -2) {
        mNextIndex++;
        if (mNextIndex >= mLastNum)
            mNextIndex = 0;
        if (mNextIndex == mBound)
            mNextIndex = -2;
    }
}