| // 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 KUDU_CLIENT_VALUE_H |
| #define KUDU_CLIENT_VALUE_H |
| |
| #ifdef KUDU_HEADERS_NO_STUBS |
| #include "kudu/gutil/macros.h" |
| #include "kudu/gutil/port.h" |
| #else |
| #include "kudu/client/stubs.h" |
| #endif |
| #include "kudu/util/slice.h" |
| #include "kudu/util/kudu_export.h" |
| |
| namespace kudu { |
| namespace client { |
| |
| /// @brief A constant cell value with a specific type. |
| class KUDU_EXPORT KuduValue { |
| public: |
| /// @return A new identical KuduValue object. |
| KuduValue* Clone() const; |
| |
| /// @name Builders from integral types. |
| /// |
| /// Construct a KuduValue object from the given value of integral type. |
| /// |
| /// @param [in] val |
| /// The value to build the KuduValue from. |
| /// @return A new KuduValue object. |
| /// |
| ///@{ |
| static KuduValue* FromInt(int64_t val); |
| static KuduValue* FromFloat(float f); |
| static KuduValue* FromDouble(double d); |
| static KuduValue* FromBool(bool b); |
| ///@} |
| |
| /// Construct a KuduValue by copying the value of the given Slice. |
| /// |
| /// @param [in] s |
| /// The slice to copy value from. |
| /// @return A new KuduValue object. |
| static KuduValue* CopyString(Slice s); |
| |
| ~KuduValue(); |
| private: |
| friend class ComparisonPredicateData; |
| friend class KuduColumnSpec; |
| |
| class KUDU_NO_EXPORT Data; |
| explicit KuduValue(Data* d); |
| |
| // Owned. |
| Data* data_; |
| |
| DISALLOW_COPY_AND_ASSIGN(KuduValue); |
| }; |
| |
| } // namespace client |
| } // namespace kudu |
| #endif /* KUDU_CLIENT_VALUE_H */ |