org.apache.servicecomb.core.invocation.timeout

Class ProcessingTimeStrategy

java.lang.Object

org.apache.servicecomb.core.invocation.timeout.ProcessingTimeStrategy

All Implemented Interfaces:

InvocationTimeoutStrategy

@Component
public class ProcessingTimeStrategy
extends Object
implements InvocationTimeoutStrategy

 Cumulative Processing Time
 not depend on time synchronization
 but lost network and framework outside of servicecomb processing time

 consumer: c
 producer: p
 ---------------------------------------------------------------
 | process 2                                                   |
 |                 c-send(T5)                       c-send(T8) |
 |                    ↑                               ↑      |
 | p-start(T3) → c-start(T4) → p-operation(T6) → c-start(T7)|
 -----↑--------------------------------------------------------
      ↑
 -----↑-----------------
 |    ↑     process 1  |
 |  c-send(T2)          |
 |    ↑                |
 |  c-start(T1)         |
 ------------------------

 T2 timeout: T2 - T1
 T3 timeout: (T2 - T1) + (T3 - T3)
 T4 timeout: (T2 - T1) + (T4 - T3)
 T5 timeout: (T2 - T1) + (T5 - T3)
 T6 timeout: (T2 - T1) + (T6 - T3)
 T7 timeout: (T2 - T1) + (T7 - T3)
 T8 timeout: (T2 - T1) + (T8 - T3)
 ......
 

Field Summary

Fields

Modifier and Type	Field and Description
static String	CHAIN_PROCESSING
static String	CHAIN_START_TIME
static String	NAME

Fields inherited from interface org.apache.servicecomb.core.invocation.InvocationTimeoutStrategy

CHAIN_ALREADY_TIMED_OUT

Constructor Summary

Constructors

Constructor and Description
ProcessingTimeStrategy()

Method Summary

Modifier and Type	Method and Description
void	beforeSendRequest(Invocation invocation)
long	calculateElapsedNanoTime(Invocation invocation)
String	name()
ProcessingTimeStrategy	setTicker(com.google.common.base.Ticker ticker)
void	start(Invocation invocation)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.servicecomb.core.invocation.InvocationTimeoutStrategy

alreadyTimeout, checkTimeout, finishBusinessMethod, startBusinessMethod, startHandlers, startRunInExecutor

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

CHAIN_START_TIME

public static final String CHAIN_START_TIME

See Also:

Constant Field Values

CHAIN_PROCESSING

public static final String CHAIN_PROCESSING

See Also:

Constant Field Values

Constructor Detail

ProcessingTimeStrategy

public ProcessingTimeStrategy()

Method Detail

setTicker

public ProcessingTimeStrategy setTicker(com.google.common.base.Ticker ticker)

name

public String name()

Specified by:

name in interface InvocationTimeoutStrategy

start

public void start(Invocation invocation)

Specified by:

start in interface InvocationTimeoutStrategy

beforeSendRequest

public void beforeSendRequest(Invocation invocation)

Specified by:

beforeSendRequest in interface InvocationTimeoutStrategy

calculateElapsedNanoTime

public long calculateElapsedNanoTime(Invocation invocation)

Specified by:

calculateElapsedNanoTime in interface InvocationTimeoutStrategy