com.aerospike.client.cluster

Class Node

java.lang.Object

com.aerospike.client.cluster.Node

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

AsyncNode

public class Node
extends Object
implements Closeable

Server node representation. This class manages server node connections and health status.

Field Summary

Fields

Modifier and Type	Field and Description
boolean	hasBatchIndex
boolean	hasDouble
boolean	hasGeo
boolean	hasReplicasAll
static int	PARTITIONS Number of partitions for each namespace.

Constructor Summary

Constructors

Constructor and Description
Node(com.aerospike.client.cluster.Cluster cluster, com.aerospike.client.cluster.NodeValidator nv) Initialize server node with connection parameters.

Method Summary

Methods

Modifier and Type	Method and Description
void	addAlias(Host aliasToAdd) Add node alias to list.
void	close() Close all server node socket connections.
boolean	equals(Object obj)
InetSocketAddress	getAddress()
Host[]	getAliases() Return server node IP address aliases.
com.aerospike.client.cluster.Connection	getConnection(int timeoutMillis) Get a socket connection from connection pool to the server node.
Host	getHost() Return server node IP address and port.
String	getName() Return server node name.
int	hashCode()
boolean	isActive() Return whether node is currently active.
void	putConnection(com.aerospike.client.cluster.Connection conn) Put connection back into connection pool.
void	refresh(List<Host> friends) Request current status from server node.
String	toString()
boolean	useNewBatch(BatchPolicy policy) Use new batch protocol if server supports it and useBatchDirect is not set.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

PARTITIONS

public static final int PARTITIONS

Number of partitions for each namespace.

See Also:

Constant Field Values

hasGeo

public final boolean hasGeo

hasDouble

public final boolean hasDouble

hasBatchIndex

public final boolean hasBatchIndex

hasReplicasAll

public final boolean hasReplicasAll

Constructor Detail

Node

public Node(com.aerospike.client.cluster.Cluster cluster,
    com.aerospike.client.cluster.NodeValidator nv)

Initialize server node with connection parameters.

Parameters:

cluster - collection of active server nodes

nv - connection parameters

Method Detail

refresh

public final void refresh(List<Host> friends)
                   throws Exception

Request current status from server node.

Parameters:

friends - other nodes in the cluster, populated by this method

Throws:

Exception - if status request fails

getConnection

public final com.aerospike.client.cluster.Connection getConnection(int timeoutMillis)
                                                            throws AerospikeException

Get a socket connection from connection pool to the server node.

Parameters:

timeoutMillis - connection timeout value in milliseconds if a new connection is created

Returns:

socket connection

Throws:

AerospikeException - if a connection could not be provided

putConnection

public final void putConnection(com.aerospike.client.cluster.Connection conn)

Put connection back into connection pool.

Parameters:

conn - socket connection

getHost

public final Host getHost()

Return server node IP address and port.

isActive

public final boolean isActive()

Return whether node is currently active.

getName

public final String getName()

Return server node name.

getAliases

public final Host[] getAliases()

Return server node IP address aliases.

addAlias

public final void addAlias(Host aliasToAdd)

Add node alias to list.

getAddress

public InetSocketAddress getAddress()

useNewBatch

public boolean useNewBatch(BatchPolicy policy)

Use new batch protocol if server supports it and useBatchDirect is not set.

close

public final void close()

Close all server node socket connections.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

toString

public final String toString()

Overrides:

toString in class Object

hashCode

public final int hashCode()

Overrides:

hashCode in class Object

equals

public final boolean equals(Object obj)

Overrides:

equals in class Object