package cn.stylefeng.guns.plcserver.server.COP020.callback;

import cn.stylefeng.guns.plcserver.opc.GlobalVariable;
import org.jinterop.dcom.common.JIException;
import org.jinterop.dcom.core.JIVariant;
import org.openscada.opc.lib.da.DataCallback;
import org.openscada.opc.lib.da.Item;
import org.openscada.opc.lib.da.ItemState;

public class DataCallBack_COP020_J_PLC_FINISH implements DataCallback {
    @Override
    public void changed(Item item, ItemState itemState) {

        // 读取变量的值
        try {
            if (itemState.getValue().getType() == JIVariant.VT_BOOL) {
                boolean value = itemState.getValue().getObjectAsBoolean();
                GlobalVariable.COP020_J_PLC_FINISH = value;
            }
        } catch (JIException e) {
            e.printStackTrace();
        }
    }
}