org.apache.cassandra.streaming

Class StreamPlan

java.lang.Object

org.apache.cassandra.streaming.StreamPlan

public class StreamPlan
extends java.lang.Object

StreamPlan is a helper class that builds StreamOperation of given configuration. This is the class you want to use for building streaming plan and starting streaming.

Constructor Summary

Constructors

Constructor and Description
StreamPlan(java.lang.String description) Start building stream plan.

Method Summary

Methods

Modifier and Type	Method and Description
StreamResultFuture	execute() Execute this StreamPlan asynchronously.
StreamPlan	flushBeforeTransfer(boolean flushBeforeTransfer) Set flushBeforeTransfer option.
boolean	isEmpty()
StreamPlan	requestRanges(java.net.InetAddress from, java.lang.String keyspace, java.util.Collection<Range<Token>> ranges) Request data in keyspace and ranges from specific node.
StreamPlan	requestRanges(java.net.InetAddress from, java.lang.String keyspace, java.util.Collection<Range<Token>> ranges, java.lang.String... columnFamilies) Request data in columnFamilies under keyspace and ranges from specific node.
StreamPlan	transferFiles(java.net.InetAddress to, java.util.Collection<StreamSession.SSTableStreamingSections> sstableDetails) Add transfer task to send given SSTable files.
StreamPlan	transferRanges(java.net.InetAddress to, java.lang.String keyspace, java.util.Collection<Range<Token>> ranges) Add transfer task to send data of specific keyspace and ranges.
StreamPlan	transferRanges(java.net.InetAddress to, java.lang.String keyspace, java.util.Collection<Range<Token>> ranges, java.lang.String... columnFamilies) Add transfer task to send data of specific columnFamilies under keyspace and ranges.

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamPlan

public StreamPlan(java.lang.String description)

Start building stream plan.

Parameters:

description - Stream type that describes this StreamPlan

Method Detail

requestRanges

public StreamPlan requestRanges(java.net.InetAddress from,
                       java.lang.String keyspace,
                       java.util.Collection<Range<Token>> ranges)

Request data in keyspace and ranges from specific node.

Parameters:

from - endpoint address to fetch data from.

keyspace - name of keyspace

ranges - ranges to fetch

Returns:

this object for chaining

requestRanges

public StreamPlan requestRanges(java.net.InetAddress from,
                       java.lang.String keyspace,
                       java.util.Collection<Range<Token>> ranges,
                       java.lang.String... columnFamilies)

Request data in columnFamilies under keyspace and ranges from specific node.

Parameters:

from - endpoint address to fetch data from.

keyspace - name of keyspace

ranges - ranges to fetch

columnFamilies - specific column families

Returns:

this object for chaining

transferRanges

public StreamPlan transferRanges(java.net.InetAddress to,
                        java.lang.String keyspace,
                        java.util.Collection<Range<Token>> ranges)

Add transfer task to send data of specific keyspace and ranges.

Parameters:

to - endpoint address of receiver

keyspace - name of keyspace

ranges - ranges to send

Returns:

this object for chaining

transferRanges

public StreamPlan transferRanges(java.net.InetAddress to,
                        java.lang.String keyspace,
                        java.util.Collection<Range<Token>> ranges,
                        java.lang.String... columnFamilies)

Add transfer task to send data of specific columnFamilies under keyspace and ranges.

Parameters:

to - endpoint address of receiver

keyspace - name of keyspace

ranges - ranges to send

columnFamilies - specific column families

Returns:

this object for chaining

transferFiles

public StreamPlan transferFiles(java.net.InetAddress to,
                       java.util.Collection<StreamSession.SSTableStreamingSections> sstableDetails)

Add transfer task to send given SSTable files.

Parameters:

to - endpoint address of receiver

sstableDetails - sstables with file positions and estimated key count

Returns:

this object for chaining

isEmpty

public boolean isEmpty()

Returns:

true if this plan has no plan to execute

execute

public StreamResultFuture execute()

Execute this StreamPlan asynchronously.

Returns:

Future StreamState that you can use to listen on progress of streaming.

flushBeforeTransfer

public StreamPlan flushBeforeTransfer(boolean flushBeforeTransfer)

Set flushBeforeTransfer option. When it's true, will flush before streaming ranges. (Default: true)

Parameters:

flushBeforeTransfer - set to true when the node should flush before transfer

Returns:

this object for chaining