コード例 #1
0
        public void                                 modifyItem(DataItem aItem, string aNewNodeId, int aNewSampling)
        {
            bool lChange = false;

            if (aItem.mNodeId.ToString().Equals(aNewNodeId, StringComparison.Ordinal) == false)
            {
                NodeId lNewNodeId = new NodeId(aNewNodeId);

                if (Connected)
                {
                    byte       lAccess;
                    object     lValue;
                    StatusCode lStatusCode;
                    string     lType;
                    bool       lArray;

                    checkVariable(lNewNodeId, out lAccess, out lValue, out lStatusCode, out lType, out lArray);

                    mItemListLock.EnterWriteLock();
                    //========================================
                    try
                    {
                        removeItemFromSubscription(aItem);
                        aItem.mNodeId = lNewNodeId;
                        addItemToSubscription(aItem);

                        aItem.setAccess(lAccess);
                        aItem.StatusCode = lStatusCode;

                        if ((lAccess == AccessLevels.CurrentRead || lAccess == AccessLevels.CurrentReadOrWrite) && StatusCode.IsGood(lStatusCode) && lValue != null)
                        {
                            aItem.mValue = lValue;
                        }
                        else
                        {
                            aItem.initValue(lType, lArray);
                        }
                    }
                    finally
                    {
                        //========================================
                        mItemListLock.ExitWriteLock();
                    }
                }
                else
                {
                    aItem.mNodeId = lNewNodeId;
                }

                lChange = true;
            }

            if (aItem.mSampling != aNewSampling)
            {
                aItem.mSampling = aNewSampling;
                mSubscription.FindItemByClientHandle(aItem.mClientHandle).SamplingInterval = aNewSampling;
                mSubscription.ApplyChanges();
                lChange = true;
            }

            if (lChange)
            {
                aItem.raisePropertiesChanged();
                if (aItem.Access.HasFlag(EAccess.READ))
                {
                    aItem.raiseValueChanged();
                }
            }
        }
コード例 #2
0
        public DataItem                             addItem(string aNodeId, int aSampling)
        {
            if (String.IsNullOrWhiteSpace(aNodeId))
            {
                throw new ArgumentException("Item NodeId is empty. ");
            }

            DataItem lItem = new DataItem();

            lItem.mConnection = this;
            lItem.mSampling   = aSampling;
            lItem.mNodeId     = new NodeId(aNodeId);

            if (mConnected)
            {
                byte       lAccess;
                object     lValue;
                StatusCode lStatusCode;
                string     lType;
                bool       lArray;

                checkVariable(lItem.mNodeId, out lAccess, out lValue, out lStatusCode, out lType, out lArray);

                lItem.setAccess(lAccess);
                lItem.StatusCode = lStatusCode;

                if ((lAccess == AccessLevels.CurrentRead || lAccess == AccessLevels.CurrentReadOrWrite) && StatusCode.IsGood(lStatusCode) && lValue != null)
                {
                    lItem.mValue = lValue;
                }
                else
                {
                    lItem.initValue(lType, lArray);
                }
            }

            mItemListLock.EnterWriteLock();
            //========================================
            try
            {
                if (mConnected)
                {
                    addItemToSubscription(lItem);
                }

                mItemList.Add(lItem);
            }
            finally
            {
                //========================================
                mItemListLock.ExitWriteLock();
            }

            lItem.raisePropertiesChanged();
            if (lItem.Access.HasFlag(EAccess.READ))
            {
                lItem.raiseValueChanged();
            }

            ConnectionState += new EventHandler(lItem.onConnectionStateChanged);

            return(lItem);
        }