org.apache.cassandra.dht

Class RangeStreamer

java.lang.Object

org.apache.cassandra.dht.RangeStreamer

public class RangeStreamer
extends java.lang.Object

Assists in streaming ranges to a node.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RangeStreamer.ExcludeLocalNodeFilter Source filter which excludes the current node from source calculations
static class	RangeStreamer.FailureDetectorSourceFilter Source filter which excludes any endpoints that are not alive according to a failure detector.
static interface	RangeStreamer.ISourceFilter A filter applied to sources to stream from when constructing a fetch map.
static class	RangeStreamer.SingleDatacenterFilter Source filter which excludes any endpoints that are not in a specific data center.

Constructor Summary

Constructors

Constructor and Description
RangeStreamer(TokenMetadata metadata, java.util.Collection<Token> tokens, java.net.InetAddress address, java.lang.String description, boolean useStrictConsistency, IEndpointSnitch snitch, StreamStateStore stateStore)

Method Summary

Modifier and Type	Method and Description
void	addRanges(java.lang.String keyspaceName, java.util.Collection<Range<Token>> ranges) Add ranges to be streamed for given keyspace.
void	addSourceFilter(RangeStreamer.ISourceFilter filter)
StreamResultFuture	fetchAsync()
static com.google.common.collect.Multimap<java.net.InetAddress,Range<Token>>	getWorkMap(com.google.common.collect.Multimap<Range<Token>,java.net.InetAddress> rangesWithSourceTarget, java.lang.String keyspace, IFailureDetector fd, boolean useStrictConsistency)

Methods inherited from class java.lang.Object

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

Constructor Detail

RangeStreamer

public RangeStreamer(TokenMetadata metadata,
                     java.util.Collection<Token> tokens,
                     java.net.InetAddress address,
                     java.lang.String description,
                     boolean useStrictConsistency,
                     IEndpointSnitch snitch,
                     StreamStateStore stateStore)

Method Detail

addSourceFilter

public void addSourceFilter(RangeStreamer.ISourceFilter filter)

addRanges

public void addRanges(java.lang.String keyspaceName,
                      java.util.Collection<Range<Token>> ranges)

Add ranges to be streamed for given keyspace.

Parameters:

keyspaceName - keyspace name

ranges - ranges to be streamed

getWorkMap

public static com.google.common.collect.Multimap<java.net.InetAddress,Range<Token>> getWorkMap(com.google.common.collect.Multimap<Range<Token>,java.net.InetAddress> rangesWithSourceTarget,
                                                                                               java.lang.String keyspace,
                                                                                               IFailureDetector fd,
                                                                                               boolean useStrictConsistency)

fetchAsync

public StreamResultFuture fetchAsync()