org.apache.cassandra.service

Class RangeSliceResponseResolver

java.lang.Object

org.apache.cassandra.service.RangeSliceResponseResolver

All Implemented Interfaces:

IResponseResolver<RangeSliceReply,java.lang.Iterable<Row>>

public class RangeSliceResponseResolver
extends java.lang.Object
implements IResponseResolver<RangeSliceReply,java.lang.Iterable<Row>>

Turns RangeSliceReply objects into row (string -> CF) maps, resolving to the most recent ColumnFamily and setting up read repairs as necessary.

Field Summary

Fields

Modifier and Type	Field and Description
java.util.List<AsyncOneResponse>	repairResults
protected java.util.Collection<MessageIn<RangeSliceReply>>	responses

Constructor Summary

Constructors

Constructor and Description
RangeSliceResponseResolver(java.lang.String keyspaceName, long timestamp)

Method Summary

Methods

Modifier and Type	Method and Description
java.util.List<Row>	getData() returns the data response without comparing with any digests
java.lang.Iterable<MessageIn<RangeSliceReply>>	getMessages()
boolean	isDataPresent()
boolean	preprocess(MessageIn message)
java.lang.Iterable<Row>	resolve() This Method resolves the responses that are passed in .
void	setSources(java.util.List<java.net.InetAddress> endpoints)

Methods inherited from class java.lang.Object

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

Field Detail

responses

protected final java.util.Collection<MessageIn<RangeSliceReply>> responses

repairResults

public final java.util.List<AsyncOneResponse> repairResults

Constructor Detail

RangeSliceResponseResolver

public RangeSliceResponseResolver(java.lang.String keyspaceName,
                          long timestamp)

Method Detail

setSources

public void setSources(java.util.List<java.net.InetAddress> endpoints)

getData

public java.util.List<Row> getData()

Description copied from interface: IResponseResolver

returns the data response without comparing with any digests

Specified by:

getData in interface IResponseResolver<RangeSliceReply,java.lang.Iterable<Row>>

resolve

public java.lang.Iterable<Row> resolve()

Description copied from interface: IResponseResolver

This Method resolves the responses that are passed in . for example : if its write response then all we get is true or false return values which implies if the writes were successful but for reads its more complicated you need to look at the responses and then based on differences schedule repairs . Hence you need to derive a response resolver based on your needs from this interface.

Specified by:

resolve in interface IResponseResolver<RangeSliceReply,java.lang.Iterable<Row>>

preprocess

public boolean preprocess(MessageIn message)

Specified by:

preprocess in interface IResponseResolver<RangeSliceReply,java.lang.Iterable<Row>>

isDataPresent

public boolean isDataPresent()

Specified by:

isDataPresent in interface IResponseResolver<RangeSliceReply,java.lang.Iterable<Row>>

getMessages

public java.lang.Iterable<MessageIn<RangeSliceReply>> getMessages()

Specified by:

getMessages in interface IResponseResolver<RangeSliceReply,java.lang.Iterable<Row>>