me.prettyprint.cassandra.connection

Class ConcurrentHClientPool

java.lang.Object

me.prettyprint.cassandra.connection.ConcurrentHClientPool

All Implemented Interfaces:

HClientPool, PoolMetric

Direct Known Subclasses:

LatencyAwareHClientPool

public class ConcurrentHClientPool
extends Object
implements HClientPool

Constructor Summary

Constructors

Constructor and Description
ConcurrentHClientPool(HClientFactory clientFactory, CassandraHost host, CassandraClientMonitor monitor)

Method Summary

Methods

Modifier and Type	Method and Description
HClient	borrowClient()
CassandraHost	getCassandraHost()
long	getExhaustedTime()
boolean	getIsActive()
int	getMaxActive()
String	getName()
int	getNumActive()
int	getNumBeforeExhausted()
int	getNumBlockedThreads()
int	getNumIdle()
String	getStatusAsString()
boolean	isExhausted()
void	releaseClient(HClient client)
void	shutdown() Controlled shutdown of pool.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConcurrentHClientPool

public ConcurrentHClientPool(HClientFactory clientFactory,
                     CassandraHost host,
                     CassandraClientMonitor monitor)

Method Detail

borrowClient

public HClient borrowClient()
                     throws HectorException

Specified by:

borrowClient in interface HClientPool

Throws:

HectorException

shutdown

public void shutdown()

Controlled shutdown of pool. Go through the list of available clients in the queue and call HClient.close() on each. Toggles a flag to indicate we are going into shutdown mode. Any subsequent calls will throw an IllegalArgumentException.

Specified by:

shutdown in interface HClientPool

getCassandraHost

public CassandraHost getCassandraHost()

Specified by:

getCassandraHost in interface HClientPool

getName

public String getName()

Specified by:

getName in interface PoolMetric

getNumActive

public int getNumActive()

Specified by:

getNumActive in interface PoolMetric

getNumBeforeExhausted

public int getNumBeforeExhausted()

Specified by:

getNumBeforeExhausted in interface HClientPool

getNumBlockedThreads

public int getNumBlockedThreads()

Specified by:

getNumBlockedThreads in interface PoolMetric

getNumIdle

public int getNumIdle()

Specified by:

getNumIdle in interface PoolMetric

isExhausted

public boolean isExhausted()

Specified by:

isExhausted in interface HClientPool

getMaxActive

public int getMaxActive()

Specified by:

getMaxActive in interface HClientPool

getIsActive

public boolean getIsActive()

Specified by:

getIsActive in interface PoolMetric

getExhaustedTime

public long getExhaustedTime()

Specified by:

getExhaustedTime in interface PoolMetric

getStatusAsString

public String getStatusAsString()

Specified by:

getStatusAsString in interface HClientPool

releaseClient

public void releaseClient(HClient client)
                   throws HectorException

Specified by:

releaseClient in interface HClientPool

Throws:

HectorException