| /** |
| * 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 "KeyValueImpl.h" |
| |
| #include <pulsar/Schema.h> |
| |
| #include "SharedBuffer.h" |
| |
| using namespace pulsar; |
| |
| namespace pulsar { |
| |
| KeyValueImpl::KeyValueImpl(const char *data, int length, KeyValueEncodingType keyValueEncodingType) { |
| if (keyValueEncodingType == KeyValueEncodingType::INLINE) { |
| SharedBuffer buffer = SharedBuffer::wrap(const_cast<char *>(data), length); |
| auto keySize = buffer.readUnsignedInt(); |
| if (keySize != INVALID_SIZE) { |
| SharedBuffer keyContent = buffer.slice(0, keySize); |
| key_ = std::string(keyContent.data(), keySize); |
| buffer.consume(keySize); |
| } |
| auto valueSize = buffer.readUnsignedInt(); |
| if (valueSize != INVALID_SIZE) { |
| valueBuffer_ = buffer.slice(0, valueSize); |
| } |
| } else { |
| valueBuffer_ = SharedBuffer::wrap(const_cast<char *>(data), length); |
| } |
| } |
| |
| KeyValueImpl::KeyValueImpl(std::string &&key, std::string &&value) |
| : key_(std::move(key)), valueBuffer_(SharedBuffer::take(std::move(value))) {} |
| |
| SharedBuffer KeyValueImpl::getContent(KeyValueEncodingType keyValueEncodingType) { |
| if (keyValueEncodingType == KeyValueEncodingType::INLINE) { |
| auto keySize = key_.length(); |
| auto valueSize = valueBuffer_.readableBytes(); |
| auto buffSize = sizeof(keySize) + keySize + sizeof(valueSize) + valueSize; |
| SharedBuffer buffer = SharedBuffer::allocate(buffSize); |
| buffer.writeUnsignedInt(keySize == 0 ? INVALID_SIZE : keySize); |
| buffer.write(key_.c_str(), keySize); |
| |
| buffer.writeUnsignedInt(valueSize == 0 ? INVALID_SIZE : valueSize); |
| buffer.write(valueBuffer_.data(), valueSize); |
| |
| return buffer; |
| } else { |
| return SharedBuffer::copyFrom(valueBuffer_, valueBuffer_.readableBytes()); |
| } |
| } |
| |
| std::string KeyValueImpl::getKey() const { return key_; } |
| |
| const void *KeyValueImpl::getValue() const { return valueBuffer_.data(); } |
| |
| size_t KeyValueImpl::getValueLength() const { return valueBuffer_.readableBytes(); } |
| |
| std::string KeyValueImpl::getValueAsString() const { |
| return std::string(valueBuffer_.data(), valueBuffer_.readableBytes()); |
| } |
| |
| } // namespace pulsar |