isPort

Find if instance is port instance

Syntax

flag = isPort(instance)

Description

flag = isPort(instance) finds whether the instance is a port instance.

This function is part of the instance API that you can use to analyze the model iteratively, element by element. instance refers to the element instance on which the iteration is being performed.

Examples

Query Whether Port Instance

Load the Small UAV model, create an architecture instance, and query whether the instance modified by the Ports property is a port instance.

scExampleSmallUAV
model = systemcomposer.loadModel('scExampleSmallUAVModel');
instance = instantiate(model.Architecture,'UAVComponent','NewInstance');
flag = isPort(instance.Ports(1))

flag =

  logical

   1

Input Arguments

instance — Element instance

architecture instance | component instance | port instance | connector instance

Element instance, specified by a systemcomposer.analysis.ArchitectureInstance, systemcomposer.analysis.ComponentInstance, systemcomposer.analysis.PortInstance, or systemcomposer.analysis.ConnectorInstance object.

flag — Whether instance is port

true or 1 | false or 0

Whether instance is port, returned as a logical 1 (true) if the instance is a port or 0 (false) if the instance is not a port.

Data Types: logical

More About

Definitions

Term	Definition	Application	More Information
analysis	Analysis is a method for quantitatively evaluating an architecture for certain characteristics. Static analysis analyzes the structure of the system. Static analysis uses an analysis function and parametric values of properties captured in the system model.	Use analysis to calculate overall reliability, mass roll-up, performance, or thermal characteristics of a system, or to perform a SWaP analysis.	Analyze Architecture
instance	An instance is an occurrence of an architecture model at a given point of time.	You can update an instance with changes to a model, but the instance will not update with changes in active variants or model references. You can use an instance, saved in an .MAT file, of a System Composer™ architecture model for analysis.	Create a Model Instance for Analysis

Term	Definition	Application	More Information
architecture	A System Composer architecture represents a system of components and how they interface with each other structurally and behaviorally. You can represent specific architectures using alternate views.	Different types of architectures describe different aspects of systems: Functional architecture describes the flow of data in a system. Logical architecture describes the intended operation of a system. Physical architecture describes the platform or hardware in a system.	Compose Architecture Visually
model	A System Composer model is the file that contains architectural information, including components, ports, connectors, interfaces, and behaviors.	Perform operations on a model: Extract the root level architecture contained in the model. Apply profiles. Link interface data dictionaries. Generate instances from model architecture. System Composer models are stored as .slx files.	Create an Architecture Model
component	A component is a nontrivial, nearly-independent, and replaceable part of a system that fulfills a clear function in the context of an architecture. A component defines an architecture element, such as a function, a system, hardware, software, or other conceptual entity. A component can also be a subsystem or subfunction.	Represented as a block, a component is a part of an architecture model that can be separated into reusable artifacts.	Components
port	A port is a node on a component or architecture that represents a point of interaction with its environment. A port permits the flow of information to and from other components or systems.	There are different types of ports: Component ports are interaction points on the component to other components. Architecture ports are ports on the boundary of the system, whether the boundary is within a component or the overall architecture model.	Ports
connector	Connectors are lines that provide connections between ports. Connectors describe how information flows between components or architectures.	A connector allows two components to interact without defining the nature of the interaction. Set an interface on a port to define how the components interact.	Connections