---
layout: pattern
title: Guarded Suspension
folder: guarded-suspension
permalink: /patterns/guarded-suspension/
pumlid: ROux3W8n30LxJW47IDnJxLLCOcMD4YVoXxq-eQTwev56UeSvgiVejmTBwL4fjDzFzsLF0CKhD_OpNc6aPOgJU2vp0FUuSAVmnW-cIiPDqa9tKZ4OQ1kW1MgbcYniaHXF0VBoH-VGaTVlnK5Iztu1
categories: Concurrency
tags:
 - Java
 - Difficulty-Beginner
---

## Intent
Use Guarded suspension pattern to handle a situation when you want to execute a method on object which is not in a proper state.

![Guarded Suspension diagram](./etc/guarded-suspension.png)

## Applicability
Use Guarded Suspension pattern when the developer knows that the method execution will be blocked for a finite period of time

## Related patterns
* Balking