OW_WQLInstancePropertySource.cpp

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#include "OW_config.h"
#include "OW_WQLInstancePropertySource.hpp"
#include "OW_CIMProperty.hpp"
#include "OW_CIMClass.hpp"
#include "OW_CIMValue.hpp"
#include "OW_CIMValueCast.hpp"
#include "OW_Bool.hpp"

namespace OW_NAMESPACE
{

WQLInstancePropertySource::~WQLInstancePropertySource()
{
}
bool WQLInstancePropertySource::evaluateISA(const String &propertyName, const String &className) const
{
   StringArray propNames = propertyName.tokenize(".");
   if (propNames.empty())
   {
      return false;
   }
   if (propNames[0] == ci.getClassName())
   {
      propNames.remove(0);
   }
   return evaluateISAAux(ci, propNames, className);
}
bool WQLInstancePropertySource::getValue(const String &propertyName, WQLOperand &value) const
{
   StringArray propNames = propertyName.tokenize(".");
   if (propNames.empty())
   {
      return false;
   }
   if (propNames[0].equalsIgnoreCase(ci.getClassName()))
   {
      propNames.remove(0);
   }
   return getValueAux(ci, propNames, value);
}
bool WQLInstancePropertySource::evaluateISAAux(const CIMInstance& ci, StringArray propNames, const String &className) const
{
   if (propNames.empty())
   {
      return classIsDerivedFrom(ci.getClassName(), className);
   }
   CIMProperty p = ci.getProperty(propNames[0]);
   if (!p)
   {
      return false;
   }
   CIMValue v = p.getValue();
   switch (v.getType())
   {
      case CIMDataType::EMBEDDEDINSTANCE:
      {
         propNames.remove(0);
         CIMInstance embed;
         v.get(embed);
         if (!embed)
         {
            return false;
         }
         return evaluateISAAux(embed, propNames, className);
      }
      default:
         return false;
   }
}
bool WQLInstancePropertySource::classIsDerivedFrom(const String& cls, const String& className) const
{
   CIMName curClassName = cls;
   while (curClassName != CIMName())
   {
      if (curClassName == className)
      {
         return true;
      }
      // didn't match, so try the superclass of curClassName
      CIMClass cls2 = m_hdl->getClass(m_ns, curClassName.toString());
      curClassName = cls2.getSuperClass();
   }
   return false;
}
bool WQLInstancePropertySource::getValueAux(const CIMInstance& ci, const StringArray& propNames, WQLOperand& value)
{
   if (propNames.empty())
   {
      return false;
   }
   CIMProperty p = ci.getProperty(propNames[0]);
   if (!p)
   {
      return false;
   }
   CIMValue v = p.getValue();
   switch (v.getType())
   {
      case CIMDataType::DATETIME:
      case CIMDataType::CIMNULL:
         value = WQLOperand();
         break;
      case CIMDataType::UINT8:
      case CIMDataType::SINT8:
      case CIMDataType::UINT16:
      case CIMDataType::SINT16:
      case CIMDataType::UINT32:
      case CIMDataType::SINT32:
      case CIMDataType::UINT64:
      case CIMDataType::SINT64:
      case CIMDataType::CHAR16:
      {
         Int64 x;
         CIMValueCast::castValueToDataType(v, CIMDataType::SINT64).get(x);
         value = WQLOperand(x, WQL_INTEGER_VALUE_TAG);
         break;
      }
      case CIMDataType::STRING:
         value = WQLOperand(v.toString(), WQL_STRING_VALUE_TAG);
         break;
      case CIMDataType::BOOLEAN:
      {
         Bool b;
         v.get(b);
         value = WQLOperand(b, WQL_BOOLEAN_VALUE_TAG);
         break;
      }
      case CIMDataType::REAL32:
      case CIMDataType::REAL64:
      {
         Real64 x;
         CIMValueCast::castValueToDataType(v, CIMDataType::REAL64).get(x);
         value = WQLOperand(x, WQL_DOUBLE_VALUE_TAG);
         break;
      }
      case CIMDataType::REFERENCE:
         value = WQLOperand(v.toString(), WQL_STRING_VALUE_TAG);
         break;
      case CIMDataType::EMBEDDEDCLASS:
         value = WQLOperand();
         break;
      case CIMDataType::EMBEDDEDINSTANCE:
      {
         CIMInstance embed;
         v.get(embed);
         if (!embed)
         {
            return false;
         }
         StringArray newPropNames(propNames.begin() + 1, propNames.end());
         return getValueAux(embed, newPropNames, value);
      }
      break;
      default:
         value = WQLOperand();
         break;
   }
   return true;
}

} // end namespace OW_NAMESPACE

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