com.alibaba.csp.sentinel

Class AsyncEntry

java.lang.Object

com.alibaba.csp.sentinel.Entry

com.alibaba.csp.sentinel.AsyncEntry

All Implemented Interfaces:

AutoCloseable

public class AsyncEntry
extends Entry

The entry for asynchronous resources.

Since:

0.2.0

Author:

Eric Zhao

Field Summary

Fields

Modifier and Type	Field and Description
protected ProcessorSlot<Object>	chain
protected Entry	child
protected Context	context
protected LinkedList<BiConsumer<Context,Entry>>	exitHandlers
protected Entry	parent

Fields inherited from class com.alibaba.csp.sentinel.Entry

resourceWrapper

Method Summary

Modifier and Type	Method and Description
protected void	clearEntryContext()
void	exit(int count, Object... args) Exit this entry.
protected void	exitForContext(Context context, int count, Object... args)
Context	getAsyncContext()
Node	getLastNode() Get related Node of the parent Entry.
protected Entry	trueExit(int count, Object... args) Exit this entry.
void	whenTerminate(BiConsumer<Context,Entry> handler) Like CompletableFuture since JDK 8, it guarantees specified handler is invoked when this entry terminated (exited), no matter it's blocked or permitted.

Methods inherited from class com.alibaba.csp.sentinel.Entry

close, exit, exit, getBlockError, getCompleteTimestamp, getCreateTimestamp, getCurNode, getError, getOriginNode, getResourceWrapper, setBlockError, setCompleteTimestamp, setCurNode, setError, setOriginNode

Methods inherited from class java.lang.Object

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

Field Detail

parent

protected Entry parent

child

protected Entry child

chain

protected ProcessorSlot<Object> chain

context

protected Context context

exitHandlers

protected LinkedList<BiConsumer<Context,Entry>> exitHandlers

Method Detail

getAsyncContext

public Context getAsyncContext()

clearEntryContext

protected void clearEntryContext()

trueExit

protected Entry trueExit(int count,
                         Object... args)
                  throws ErrorEntryFreeException

Description copied from class: Entry

Exit this entry.

Parameters:

count - tokens to release.

args - extra parameters

Returns:

next available entry after exit, that is the parent entry.

Throws:

ErrorEntryFreeException

exit

public void exit(int count,
                 Object... args)
          throws ErrorEntryFreeException

Description copied from class: Entry

Exit this entry. This method should invoke if and only if once at the end of the resource protection.

Specified by:

exit in class Entry

Parameters:

count - tokens to release.

args - extra parameters

Throws:

ErrorEntryFreeException

exitForContext

protected void exitForContext(Context context,
                              int count,
                              Object... args)
                       throws ErrorEntryFreeException

Throws:

ErrorEntryFreeException

whenTerminate

public void whenTerminate(BiConsumer<Context,Entry> handler)

Description copied from class: Entry

Like CompletableFuture since JDK 8, it guarantees specified handler is invoked when this entry terminated (exited), no matter it's blocked or permitted. Use it when you did some STATEFUL operations on entries.

Specified by:

whenTerminate in class Entry

Parameters:

handler - handler function on the invocation terminates

getLastNode

public Node getLastNode()

Description copied from class: Entry

Get related Node of the parent Entry.

Specified by:

getLastNode in class Entry

Returns: