/*
 * Copyright (C) 2007 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "modules/webdatabase/SQLResultSet.h"

#include "bindings/core/v8/ExceptionState.h"
#include "core/dom/ExceptionCode.h"
#include "platform/heap/Handle.h"

namespace blink {

SQLResultSet::SQLResultSet()
    : m_rows(SQLResultSetRowList::create()),
      m_insertId(0),
      m_rowsAffected(0),
      m_insertIdSet(false),
      m_isValid(false) {
  DCHECK(isMainThread());
}

DEFINE_TRACE(SQLResultSet) {
  visitor->trace(m_rows);
}

int64_t SQLResultSet::insertId(ExceptionState& exceptionState) const {
  // 4.11.4 - Return the id of the last row inserted as a result of the query
  // If the query didn't result in any rows being added, raise an
  // InvalidAccessError exception.
  if (m_insertIdSet)
    return m_insertId;

  exceptionState.throwDOMException(
      InvalidAccessError, "The query didn't result in any rows being added.");
  return -1;
}

int SQLResultSet::rowsAffected() const {
  return m_rowsAffected;
}

SQLResultSetRowList* SQLResultSet::rows() const {
  return m_rows.get();
}

void SQLResultSet::setInsertId(int64_t id) {
  ASSERT(!m_insertIdSet);

  m_insertId = id;
  m_insertIdSet = true;
}

void SQLResultSet::setRowsAffected(int count) {
  m_rowsAffected = count;
  m_isValid = true;
}

}  // namespace blink