Hystrix: Latency and Fault Tolerance for Distributed Systems

com.netflix.hystrix
Class HystrixRequestCache

java.lang.Object
  com.netflix.hystrix.HystrixRequestCache

public class HystrixRequestCache
extends java.lang.Object

Cache that is scoped to the current request as managed by HystrixRequestVariableDefault.

This is used for short-lived caching of HystrixCommand instances to allow de-duping of command executions within a request.

Method Summary

void	clear(java.lang.String cacheKey) Clear the cache for a given cacheKey.
static HystrixRequestCache	getInstance(HystrixCollapserKey key, HystrixConcurrencyStrategy concurrencyStrategy)
static HystrixRequestCache	getInstance(HystrixCommandKey key, HystrixConcurrencyStrategy concurrencyStrategy)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInstance

public static HystrixRequestCache getInstance(HystrixCommandKey key,
                                              HystrixConcurrencyStrategy concurrencyStrategy)

getInstance

public static HystrixRequestCache getInstance(HystrixCollapserKey key,
                                              HystrixConcurrencyStrategy concurrencyStrategy)

clear

public void clear(java.lang.String cacheKey)

Clear the cache for a given cacheKey.

Parameters:

cacheKey - key as defined by HystrixCommand.getCacheKey()