geode-client-native/src/cppcache/SelectResultsIterator.cpp

/*=========================================================================
 * Copyright (c) 2002-2014 Pivotal Software, Inc. All Rights Reserved.
 * This product is protected by U.S. and international copyright
 * and intellectual property laws. Pivotal products are covered by
 * more patents listed at http://www.pivotal.io/patents.
 *========================================================================
 */

/**
 * @file
 */

#include "SelectResultsIterator.hpp"

namespace gemfire
{

  SelectResultsIterator::SelectResultsIterator(
      const CacheableVectorPtr& vectorSR, SelectResultsPtr srp) :
    m_vectorSR(vectorSR), m_nextIndex(0), m_srp(srp)
  {
  }

  bool SelectResultsIterator::hasNext() const
  {
    return m_nextIndex < m_vectorSR->size();
  }

  const SerializablePtr SelectResultsIterator::next()
  {
    if (!hasNext())
      return NULLPTR;

    return m_vectorSR->operator [](m_nextIndex++);
  }

  bool SelectResultsIterator::moveNext()
  {
    if (hasNext()) {
      m_nextIndex++;
      return true;
    }
    else {
      return false;
    }
  }

  const SerializablePtr SelectResultsIterator::current() const
  {
    if (m_nextIndex == 0 || m_nextIndex > m_vectorSR->size())
      return NULLPTR;

    return m_vectorSR->operator [](m_nextIndex - 1);
  }

  void SelectResultsIterator::reset()
  {
    m_nextIndex = 0;
  }

} //namespace gemfire