| /** |
| * @file ResourceClaim.h |
| * Resource Claim class declaration |
| * |
| * 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 __RESOURCE_CLAIM_H__ |
| #define __RESOURCE_CLAIM_H__ |
| |
| #include <string> |
| #include <vector> |
| #include <queue> |
| #include <map> |
| #include <memory> |
| #include <mutex> |
| #include <atomic> |
| #include "core/Core.h" |
| #include "core/StreamManager.h" |
| #include "properties/Configure.h" |
| #include "utils/Id.h" |
| |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| |
| // Default content directory |
| #define DEFAULT_CONTENT_DIRECTORY "./content_repository" |
| |
| extern std::string default_directory_path; |
| |
| extern void setDefaultDirectory(std::string); |
| |
| // ResourceClaim Class |
| class ResourceClaim : public std::enable_shared_from_this<ResourceClaim> { |
| |
| public: |
| |
| // Constructor |
| /*! |
| * Create a new resource claim |
| */ |
| //explicit ResourceClaim(std::shared_ptr<core::StreamManager<ResourceClaim>> claim_manager, const std::string contentDirectory); |
| |
| explicit ResourceClaim(std::shared_ptr<core::StreamManager<ResourceClaim>> claim_manager); |
| |
| explicit ResourceClaim(const std::string path, std::shared_ptr<core::StreamManager<ResourceClaim>> claim_manager, bool deleted = false); |
| |
| // Destructor |
| ~ResourceClaim() { |
| } |
| // increaseFlowFileRecordOwnedCount |
| void increaseFlowFileRecordOwnedCount() { |
| claim_manager_->incrementStreamCount(shared_from_this()); |
| } |
| // decreaseFlowFileRecordOwenedCount |
| void decreaseFlowFileRecordOwnedCount() { |
| claim_manager_->decrementStreamCount(shared_from_this()); |
| |
| } |
| // getFlowFileRecordOwenedCount |
| uint64_t getFlowFileRecordOwnedCount() { |
| return claim_manager_->getStreamCount(shared_from_this()); |
| } |
| // Get the content full path |
| std::string getContentFullPath() { |
| return _contentFullPath; |
| } |
| // Set the content full path |
| void setContentFullPath(std::string path) { |
| _contentFullPath = path; |
| } |
| |
| void deleteClaim() { |
| if (!deleted_) { |
| deleted_ = true; |
| } |
| |
| } |
| |
| bool exists() { |
| if (claim_manager_ == nullptr) { |
| return false; |
| } |
| return claim_manager_->exists(shared_from_this()); |
| } |
| |
| friend std::ostream& operator<<(std::ostream& stream, const ResourceClaim& claim) { |
| stream << claim._contentFullPath; |
| return stream; |
| } |
| |
| friend std::ostream& operator<<(std::ostream& stream, const std::shared_ptr<ResourceClaim>& claim) { |
| stream << claim->_contentFullPath; |
| return stream; |
| } |
| protected: |
| std::atomic<bool> deleted_; |
| // Full path to the content |
| std::string _contentFullPath; |
| |
| std::shared_ptr<core::StreamManager<ResourceClaim>> claim_manager_; |
| |
| private: |
| |
| // Logger |
| std::shared_ptr<logging::Logger> logger_; |
| // Prevent default copy constructor and assignment operation |
| // Only support pass by reference or pointer |
| ResourceClaim(const ResourceClaim &parent); |
| ResourceClaim &operator=(const ResourceClaim &parent); |
| |
| static utils::NonRepeatingStringGenerator non_repeating_string_generator_; |
| }; |
| |
| } /* namespace minifi */ |
| } /* namespace nifi */ |
| } /* namespace apache */ |
| } /* namespace org */ |
| #endif |