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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
**/
#ifndef QUICKSTEP_EXPRESSIONS_PREDICATE_PREDICATE_WITH_LIST_HPP_
#define QUICKSTEP_EXPRESSIONS_PREDICATE_PREDICATE_WITH_LIST_HPP_
#include "expressions/predicate/Predicate.hpp"
#include "utility/Macros.hpp"
#include "utility/PtrList.hpp"
namespace quickstep {
/** \addtogroup Expressions
* @{
*/
/**
* @brief Abstract base class for conjunctions and disjunctions.
**/
class PredicateWithList : public Predicate {
public:
PredicateWithList()
: has_static_result_(true), static_result_(true) {
}
/**
* @brief Destructor which also deletes all operands.
**/
virtual ~PredicateWithList() {
}
bool hasStaticResult() const override {
return has_static_result_;
}
bool getStaticResult() const override {
if (has_static_result_) {
return static_result_;
} else {
FATAL_ERROR("Called getStaticResult() on a predicate which has no static result");
}
}
protected:
PtrList<Predicate> static_operand_list_;
PtrList<Predicate> dynamic_operand_list_;
bool has_static_result_;
bool static_result_;
private:
friend class PredicateTest;
DISALLOW_COPY_AND_ASSIGN(PredicateWithList);
};
/** @} */
} // namespace quickstep
#endif // QUICKSTEP_EXPRESSIONS_PREDICATE_PREDICATE_WITH_LIST_HPP_