com.github.hippo.hystrix

类 HippoCommand

java.lang.Object

com.netflix.hystrix.HystrixCommand<Object>

com.github.hippo.hystrix.HippoCommand

所有已实现的接口:

com.netflix.hystrix.HystrixExecutable<Object>, com.netflix.hystrix.HystrixInvokable<Object>, com.netflix.hystrix.HystrixInvokableInfo<Object>, com.netflix.hystrix.HystrixObservable<Object>

public class HippoCommand
extends com.netflix.hystrix.HystrixCommand<Object>

hystrix

作者:

wj

嵌套类概要

嵌套类

限定符和类型	类和说明
protected static class	com.netflix.hystrix.AbstractCommand.CommandState
protected static class	com.netflix.hystrix.AbstractCommand.ThreadState
protected static class	com.netflix.hystrix.AbstractCommand.TimedOutStatus

从类继承的嵌套类/接口 com.netflix.hystrix.HystrixCommand

com.netflix.hystrix.HystrixCommand.Setter

字段概要

字段

限定符和类型	字段和说明
protected com.netflix.hystrix.HystrixCircuitBreaker	circuitBreaker
protected static ConcurrentHashMap<com.netflix.hystrix.HystrixCommandKey,Boolean>	commandContainsFallback
protected com.netflix.hystrix.HystrixCommandGroupKey	commandGroup
protected com.netflix.hystrix.HystrixCommandKey	commandKey
protected long	commandStartTimestamp
protected AtomicReference<com.netflix.hystrix.AbstractCommand.CommandState>	commandState
protected com.netflix.hystrix.strategy.concurrency.HystrixConcurrencyStrategy	concurrencyStrategy
protected com.netflix.hystrix.HystrixRequestLog	currentRequestLog
protected rx.functions.Action0	endCurrentThreadExecutingCommand
protected com.netflix.hystrix.strategy.eventnotifier.HystrixEventNotifier	eventNotifier
protected com.netflix.hystrix.strategy.executionhook.HystrixCommandExecutionHook	executionHook
protected com.netflix.hystrix.ExecutionResult	executionResult
protected com.netflix.hystrix.ExecutionResult	executionResultAtTimeOfCancellation
protected com.netflix.hystrix.AbstractCommand.TryableSemaphore	executionSemaphoreOverride
protected static ConcurrentHashMap<String,com.netflix.hystrix.AbstractCommand.TryableSemaphore>	executionSemaphorePerCircuit
protected com.netflix.hystrix.AbstractCommand.TryableSemaphore	fallbackSemaphoreOverride
protected static ConcurrentHashMap<String,com.netflix.hystrix.AbstractCommand.TryableSemaphore>	fallbackSemaphorePerCircuit
protected AtomicReference<com.netflix.hystrix.AbstractCommand.TimedOutStatus>	isCommandTimedOut
protected boolean	isResponseFromCache
protected com.netflix.hystrix.HystrixCommandMetrics	metrics
protected com.netflix.hystrix.HystrixCommandProperties	properties
protected com.netflix.hystrix.HystrixRequestCache	requestCache
protected com.netflix.hystrix.HystrixThreadPool	threadPool
protected com.netflix.hystrix.HystrixThreadPoolKey	threadPoolKey
protected AtomicReference<com.netflix.hystrix.AbstractCommand.ThreadState>	threadState
protected AtomicReference<Reference<com.netflix.hystrix.util.HystrixTimer.TimerListener>>	timeoutTimer

构造器概要

构造器

构造器和说明
HippoCommand(com.github.hippo.bean.HippoRequest hippoRequest, int timeOut, int retryTimes, boolean isCircuitBreaker, int semaphoreMaxConcurrentRequests, Class<?> downgradeStrategy, boolean fallbackEnabled)

方法概要

限定符和类型	方法和说明
protected Throwable	decomposeException(Exception arg0)
protected String	getCacheKey()
protected Exception	getExceptionFromThrowable(Throwable arg0)
protected com.netflix.hystrix.AbstractCommand.TryableSemaphore	getExecutionSemaphore()
protected Object	getFallback()
protected com.netflix.hystrix.AbstractCommand.TryableSemaphore	getFallbackSemaphore()
com.github.hippo.bean.HippoResponse	getHippoResponse(com.github.hippo.bean.HippoRequest request, int timeout, int retryTimes)
protected String	getLogMessagePrefix()
protected void	handleThreadEnd(com.netflix.hystrix.AbstractCommand<R> arg0)
protected boolean	isRequestCachingEnabled()
protected Object	run()
protected boolean	shouldNotBeWrapped(Throwable arg0)
protected boolean	shouldOutputOnNextEvents()

从类继承的方法 com.netflix.hystrix.HystrixCommand

commandIsScalar, execute, getExecutionObservable, getFallbackMethodName, getFallbackObservable, isFallbackUserDefined, queue

从类继承的方法 java.lang.Object

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

字段详细资料

circuitBreaker

protected final com.netflix.hystrix.HystrixCircuitBreaker circuitBreaker

threadPool

protected final com.netflix.hystrix.HystrixThreadPool threadPool

threadPoolKey

protected final com.netflix.hystrix.HystrixThreadPoolKey threadPoolKey

properties

protected final com.netflix.hystrix.HystrixCommandProperties properties

metrics

protected final com.netflix.hystrix.HystrixCommandMetrics metrics

commandKey

protected final com.netflix.hystrix.HystrixCommandKey commandKey

commandGroup

protected final com.netflix.hystrix.HystrixCommandGroupKey commandGroup

eventNotifier

protected final com.netflix.hystrix.strategy.eventnotifier.HystrixEventNotifier eventNotifier

concurrencyStrategy

protected final com.netflix.hystrix.strategy.concurrency.HystrixConcurrencyStrategy concurrencyStrategy

executionHook

protected final com.netflix.hystrix.strategy.executionhook.HystrixCommandExecutionHook executionHook

fallbackSemaphoreOverride

protected final com.netflix.hystrix.AbstractCommand.TryableSemaphore fallbackSemaphoreOverride

fallbackSemaphorePerCircuit

protected static final ConcurrentHashMap<String,com.netflix.hystrix.AbstractCommand.TryableSemaphore> fallbackSemaphorePerCircuit

executionSemaphoreOverride

protected final com.netflix.hystrix.AbstractCommand.TryableSemaphore executionSemaphoreOverride

executionSemaphorePerCircuit

protected static final ConcurrentHashMap<String,com.netflix.hystrix.AbstractCommand.TryableSemaphore> executionSemaphorePerCircuit

timeoutTimer

protected final AtomicReference<Reference<com.netflix.hystrix.util.HystrixTimer.TimerListener>> timeoutTimer

commandState

protected AtomicReference<com.netflix.hystrix.AbstractCommand.CommandState> commandState

threadState

protected AtomicReference<com.netflix.hystrix.AbstractCommand.ThreadState> threadState

executionResult

protected volatile com.netflix.hystrix.ExecutionResult executionResult

isResponseFromCache

protected volatile boolean isResponseFromCache

executionResultAtTimeOfCancellation

protected volatile com.netflix.hystrix.ExecutionResult executionResultAtTimeOfCancellation

commandStartTimestamp

protected volatile long commandStartTimestamp

isCommandTimedOut

protected final AtomicReference<com.netflix.hystrix.AbstractCommand.TimedOutStatus> isCommandTimedOut

endCurrentThreadExecutingCommand

protected volatile rx.functions.Action0 endCurrentThreadExecutingCommand

requestCache

protected final com.netflix.hystrix.HystrixRequestCache requestCache

currentRequestLog

protected final com.netflix.hystrix.HystrixRequestLog currentRequestLog

commandContainsFallback

protected static ConcurrentHashMap<com.netflix.hystrix.HystrixCommandKey,Boolean> commandContainsFallback

构造器详细资料

HippoCommand

public HippoCommand(com.github.hippo.bean.HippoRequest hippoRequest,
                    int timeOut,
                    int retryTimes,
                    boolean isCircuitBreaker,
                    int semaphoreMaxConcurrentRequests,
                    Class<?> downgradeStrategy,
                    boolean fallbackEnabled)
             throws InstantiationException,
                    IllegalAccessException

抛出:

InstantiationException

IllegalAccessException

方法详细资料

run

protected Object run()
              throws Exception

指定者:

run 在类中 com.netflix.hystrix.HystrixCommand<Object>

抛出:

Exception

getFallback

protected Object getFallback()

覆盖:

getFallback 在类中 com.netflix.hystrix.HystrixCommand<Object>

getHippoResponse

public com.github.hippo.bean.HippoResponse getHippoResponse(com.github.hippo.bean.HippoRequest request,
                                                            int timeout,
                                                            int retryTimes)
                                                     throws Exception

抛出:

Exception

shouldNotBeWrapped

protected boolean shouldNotBeWrapped(Throwable arg0)

handleThreadEnd

protected void handleThreadEnd(com.netflix.hystrix.AbstractCommand<R> arg0)

shouldOutputOnNextEvents

protected boolean shouldOutputOnNextEvents()

getFallbackSemaphore

protected com.netflix.hystrix.AbstractCommand.TryableSemaphore getFallbackSemaphore()

getExecutionSemaphore

protected com.netflix.hystrix.AbstractCommand.TryableSemaphore getExecutionSemaphore()

decomposeException

protected Throwable decomposeException(Exception arg0)

getCacheKey

protected String getCacheKey()

isRequestCachingEnabled

protected boolean isRequestCachingEnabled()

getLogMessagePrefix

protected String getLogMessagePrefix()

getExceptionFromThrowable

protected Exception getExceptionFromThrowable(Throwable arg0)