Rename cachig metadata method

lib/src/BufferedWriter.cpp

@@ -19,7 +19,7 @@ BufferedWriter::BufferedWriter(const std::string& filename, size_t total_frames,
     #endif
 }
 
-void BufferedWriter::write_metadata(string name, uint64_t frame_index, const char* data)
+void BufferedWriter::cache_metadata(string name, uint64_t frame_index, const char* data)
 {
     auto relative_frame_index = get_relative_data_index(frame_index);
     metadata_buffer->add_metadata_to_buffer(name, relative_frame_index, data);

lib/src/BufferedWriter.hpp

@@ -14,7 +14,7 @@ class BufferedWriter : public H5Writer
     public:
         BufferedWriter(const std::string& filename, size_t total_frames, std::unique_ptr<MetadataBuffer>&& metadata_buffer, 
             hsize_t frames_per_file=0, hsize_t initial_dataset_size=1000, hsize_t dataset_increase_step=1000);
-        void write_metadata(std::string name, uint64_t frame_index, const char* data);
+        void cache_metadata(std::string name, uint64_t frame_index, const char* data);
         virtual void close_file() override;
 };
 

lib/src/ProcessManager.cpp

@@ -232,7 +232,7 @@ void ProcessManager::write_h5()
                     }
                 }
 
-                writer->write_metadata(name, received_data.first->frame_index, value.get());
+                writer->cache_metadata(name, received_data.first->frame_index, value.get());
             }
         }