org.apache.cassandra.hadoop

Class AbstractColumnFamilyRecordWriter.AbstractRangeClient<K>

java.lang.Object

java.lang.Thread

org.apache.cassandra.hadoop.AbstractColumnFamilyRecordWriter.AbstractRangeClient<K>

All Implemented Interfaces:

java.lang.Runnable

Enclosing class:

AbstractColumnFamilyRecordWriter<K,Y>

public abstract class AbstractColumnFamilyRecordWriter.AbstractRangeClient<K>
extends java.lang.Thread

A client that runs in a threadpool and connects to the list of endpoints for a particular range. Mutations for keys in that range are sent to this client via a queue.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.cassandra.thrift.Cassandra.Client	client
protected java.util.List<java.net.InetAddress>	endpoints
protected java.io.IOException	lastException
protected java.util.concurrent.BlockingQueue<K>	queue
protected boolean	run

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
AbstractColumnFamilyRecordWriter.AbstractRangeClient(java.util.List<java.net.InetAddress> endpoints) Constructs an AbstractColumnFamilyRecordWriter.AbstractRangeClient for the given endpoints.

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
protected void	closeInternal()
void	put(K value) enqueues the given value to Cassandra
abstract void	run() Loops collecting mutations from the queue and sending to Cassandra
java.lang.String	toString()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, yield

Methods inherited from class java.lang.Object

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

Field Detail

endpoints

protected final java.util.List<java.net.InetAddress> endpoints

queue

protected final java.util.concurrent.BlockingQueue<K> queue

run

protected volatile boolean run

lastException

protected volatile java.io.IOException lastException

client

protected org.apache.cassandra.thrift.Cassandra.Client client

Constructor Detail

AbstractColumnFamilyRecordWriter.AbstractRangeClient

public AbstractColumnFamilyRecordWriter.AbstractRangeClient(java.util.List<java.net.InetAddress> endpoints)

Constructs an AbstractColumnFamilyRecordWriter.AbstractRangeClient for the given endpoints.

Parameters:

endpoints - the possible endpoints to execute the mutations on

Method Detail

put

public void put(K value)
         throws java.io.IOException

enqueues the given value to Cassandra

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Throws:

java.io.IOException

closeInternal

protected void closeInternal()

run

public abstract void run()

Loops collecting mutations from the queue and sending to Cassandra

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Thread