Package org.apache.cassandra.service.reads

Class HybridSpeculativeRetryPolicy

java.lang.Object

org.apache.cassandra.service.reads.HybridSpeculativeRetryPolicy

All Implemented Interfaces:

SpeculativeRetryPolicy

public class HybridSpeculativeRetryPolicy
extends Object
implements SpeculativeRetryPolicy

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	HybridSpeculativeRetryPolicy.Function

Nested classes/interfaces inherited from interface org.apache.cassandra.service.reads.SpeculativeRetryPolicy

SpeculativeRetryPolicy.Kind

Method Summary

Modifier and Type	Method	Description
long	calculateThreshold(SnapshottingTimer latency, long existingValue)	Calculate the delay in microseconds after which speculation takes place
boolean	equals(Object obj)
int	hashCode()
SpeculativeRetryPolicy.Kind	kind()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Details

calculateThreshold

public long calculateThreshold(SnapshottingTimer latency,
 long existingValue)

Description copied from interface: SpeculativeRetryPolicy

Calculate the delay in microseconds after which speculation takes place

Specified by:

calculateThreshold in interface SpeculativeRetryPolicy

Parameters:

latency - snapshot of coordinator latencies (in microseconds)

existingValue - existing speculation threshold (in microseconds)

Returns:

speculation delay (in microseconds).

kind

public SpeculativeRetryPolicy.Kind kind()

Specified by:

kind in interface SpeculativeRetryPolicy

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object