Session

Introduction

The Session class is the core class of the CDP4-SDK for API developers that wish to develop C# applications that need to interface with ECSS-E-TM-10-25A Annex C. It provides a layer of abstraction exposes the following methods that can be used to Create, Read, Update and Delete objects from an Annex C data-source.

ISession interface

The Session class implements the ISession interface that exposes the following core methods:

method	description	async support
Open	Open a connection to a data-source	x
Read	Read Things from a data-source	x
Write	Write updates to Things to a data-source	x
Refresh	Update the Cache with updated Things from a data-source	x
Reload	Reload all Things from a data-source for all open [[TopContainers	TopContainer]]
Close	Close the connection to a data-source and clear the Cache	-

The ISession interface exposes more convenience methods that are explained in the following sections.

Open