| /* |
| * 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. |
| */ |
| |
| #include <string> |
| |
| #include <geode/DataInput.hpp> |
| #include <geode/Struct.hpp> |
| |
| namespace apache { |
| namespace geode { |
| namespace client { |
| |
| Struct::Struct(StructSet* ssPtr, |
| std::vector<std::shared_ptr<Serializable>>& fieldValues) |
| : m_parent(ssPtr), m_fieldValues(fieldValues) {} |
| |
| void Struct::skipClassName(DataInput& input) { |
| if (input.read() == static_cast<int8_t>(DSCode::Class)) { |
| input.read(); // ignore string type id - assuming its a normal |
| // (under 64k) string. |
| uint16_t len = input.readInt16(); |
| input.advanceCursor(len); |
| } else { |
| throw IllegalStateException( |
| "Struct: Did not get expected class header byte"); |
| } |
| } |
| |
| void Struct::toData(DataOutput&) const { |
| throw UnsupportedOperationException("Struct::toData: should not be called."); |
| } |
| |
| int32_t Struct::size() const { |
| return static_cast<int32_t>(m_fieldValues.size()); |
| } |
| |
| void Struct::fromData(DataInput& input) { |
| input.advanceCursor(2); // ignore classType |
| skipClassName(input); |
| |
| int32_t numOfFields = input.readArrayLength(); |
| |
| m_parent = nullptr; |
| for (int32_t i = 0; i < numOfFields; i++) { |
| m_fieldNameToIndex.emplace(input.readString(), i); |
| } |
| int32_t lengthForTypes = input.readArrayLength(); |
| skipClassName(input); |
| for (int i = 0; i < lengthForTypes; i++) { |
| input.advanceCursor(2); // ignore classType |
| skipClassName(input); |
| } |
| int32_t numOfSerializedValues = input.readArrayLength(); |
| skipClassName(input); |
| for (int i = 0; i < numOfSerializedValues; i++) { |
| std::shared_ptr<Serializable> val; |
| input.readObject(val); // need to look |
| m_fieldValues.push_back(val); |
| } |
| } |
| |
| const std::string& Struct::getFieldName(const int32_t index) const { |
| if (m_parent) { |
| return m_parent->getFieldName(index); |
| } else { |
| for (const auto& iter : m_fieldNameToIndex) { |
| if (iter.second == index) return (iter.first); |
| } |
| } |
| |
| throw OutOfRangeException("Struct: fieldName not found."); |
| } |
| |
| const std::shared_ptr<Serializable> Struct::operator[](int32_t index) const { |
| if (index >= static_cast<int32_t>(m_fieldValues.size())) { |
| return nullptr; |
| } |
| |
| return m_fieldValues[index]; |
| } |
| |
| const std::shared_ptr<Serializable> Struct::operator[]( |
| const std::string& fieldName) const { |
| size_t index; |
| if (m_parent) { |
| index = m_parent->getFieldIndex(fieldName); |
| } else { |
| const auto& iter = m_fieldNameToIndex.find(fieldName); |
| if (iter == m_fieldNameToIndex.end()) { |
| throw OutOfRangeException("Struct: fieldName not found."); |
| } |
| index = iter->second; |
| } |
| return m_fieldValues[index]; |
| } |
| |
| const std::shared_ptr<StructSet> Struct::getStructSet() const { |
| return std::shared_ptr<StructSet>(m_parent); |
| } |
| |
| Struct::iterator Struct::begin() { return m_fieldValues.begin(); } |
| |
| Struct::iterator Struct::end() { return m_fieldValues.end(); } |
| |
| std::shared_ptr<Serializable> Struct::createDeserializable() { |
| return std::make_shared<Struct>(); |
| } |
| } // namespace client |
| } // namespace geode |
| } // namespace apache |