org.apache.cassandra.service.reads

Class NeverSpeculativeRetryPolicy

java.lang.Object

org.apache.cassandra.service.reads.NeverSpeculativeRetryPolicy

All Implemented Interfaces:

SpeculativeRetryPolicy

public class NeverSpeculativeRetryPolicy
extends java.lang.Object
implements SpeculativeRetryPolicy

Nested Class Summary

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

SpeculativeRetryPolicy.Kind

Field Summary

Fields

Modifier and Type	Field and Description
static NeverSpeculativeRetryPolicy	INSTANCE

Method Summary

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.service.reads.SpeculativeRetryPolicy

fromString

Field Detail

INSTANCE

public static final NeverSpeculativeRetryPolicy INSTANCE

Method Detail

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(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object