com.netflix.astyanax.connectionpool.impl

Class LeastOutstandingExecuteWithFailover<CL,R>

java.lang.Object

com.netflix.astyanax.connectionpool.impl.AbstractExecuteWithFailoverImpl<CL,R>

com.netflix.astyanax.connectionpool.impl.LeastOutstandingExecuteWithFailover<CL,R>

Type Parameters:

CL -

R -

All Implemented Interfaces:

ExecuteWithFailover<CL,R>

public class LeastOutstandingExecuteWithFailover<CL,R>
extends AbstractExecuteWithFailoverImpl<CL,R>

Finds the HostConnectionPool with the max idle connections when borrowing a connection from the pool. This execute with failover impl is used within the TokenAwareConnectionPoolImpl class depending on the configured HostSelectorStrategy

See Also:

TokenAwareConnectionPoolImpl#executeWithFailover(Operation, com.netflix.astyanax.retry.RetryPolicy)} for details on where this class is referenced

Field Summary

Fields

Modifier and Type	Field and Description
protected HostConnectionPool<CL>	pool
protected java.util.List<HostConnectionPool<CL>>	pools
protected int	waitDelta
protected int	waitMultiplier

Fields inherited from class com.netflix.astyanax.connectionpool.impl.AbstractExecuteWithFailoverImpl

config, connection

Constructor Summary

Constructors

Constructor and Description
LeastOutstandingExecuteWithFailover(ConnectionPoolConfiguration config, ConnectionPoolMonitor monitor, java.util.List<HostConnectionPool<CL>> pools)

Method Summary

Methods

Modifier and Type	Method and Description
Connection<CL>	borrowConnection(Operation<CL,R> operation)
boolean	canRetry()
HostConnectionPool<CL>	getCurrentHostConnectionPool()

Methods inherited from class com.netflix.astyanax.connectionpool.impl.AbstractExecuteWithFailoverImpl

getCurrentHost, releaseConnection, tryOperation

Methods inherited from class java.lang.Object

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

Field Detail

pool

protected HostConnectionPool<CL> pool

pools

protected final java.util.List<HostConnectionPool<CL>> pools

waitDelta

protected int waitDelta

waitMultiplier

protected int waitMultiplier

Constructor Detail

LeastOutstandingExecuteWithFailover

public LeastOutstandingExecuteWithFailover(ConnectionPoolConfiguration config,
                                   ConnectionPoolMonitor monitor,
                                   java.util.List<HostConnectionPool<CL>> pools)
                                    throws ConnectionException

Throws:

ConnectionException

Method Detail

canRetry

public boolean canRetry()

Specified by:

canRetry in class AbstractExecuteWithFailoverImpl<CL,R>

Returns:

boolean

getCurrentHostConnectionPool

public HostConnectionPool<CL> getCurrentHostConnectionPool()

Specified by:

getCurrentHostConnectionPool in class AbstractExecuteWithFailoverImpl<CL,R>

Returns:

HostConnectionPool

borrowConnection

public Connection<CL> borrowConnection(Operation<CL,R> operation)
                                throws ConnectionException

Specified by:

borrowConnection in class AbstractExecuteWithFailoverImpl<CL,R>

Returns:

Connection

Throws:

ConnectionException