/*
 * Copyright (c) 2001, 2008,
 *     DecisionSoft Limited. All rights reserved.
 * Copyright (c) 2004, 2011,
 *     Oracle and/or its affiliates. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
   NotEquals operator function
*/

#ifndef _NOTEQUALS_HPP
#define _NOTEQUALS_HPP

#include <xqilla/framework/XQillaExport.hpp>

#include <xqilla/operators/ComparisonOperator.hpp>

class Collation;

/** OpNotEquals operator function*/
class XQILLA_API NotEquals : public ComparisonOperator
{
public:
  static const XMLCh name[];

  NotEquals(const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
  
  static bool not_equals(const AnyAtomicType::Ptr &arg1, const AnyAtomicType::Ptr &arg2, Collation* collation, DynamicContext* context, const LocationInfo *info);

  bool execute(const AnyAtomicType::Ptr &atom1, const AnyAtomicType::Ptr &atom2, DynamicContext *context) const;
};

#endif // _NOTEQUALS_HPP
