org.apache.ignite.spi.discovery.zk.internal

Class ZookeeperDiscoveryImpl

java.lang.Object

org.apache.ignite.spi.discovery.zk.internal.ZookeeperDiscoveryImpl

public class ZookeeperDiscoveryImpl
extends Object

Zookeeper Discovery Impl.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DFLT_ZOOKEEPER_DISCOVERY_SPI_ACK_THRESHOLD
static int	DFLT_ZOOKEEPER_DISCOVERY_SPI_ACK_TIMEOUT
static int	DFLT_ZOOKEEPER_DISCOVERY_SPI_EVTS_THROTTLE
static int	DFLT_ZOOKEEPER_DISCOVERY_SPI_MAX_EVTS
static String	IGNITE_ZOOKEEPER_DISCOVERY_SPI_ACK_THRESHOLD
static String	IGNITE_ZOOKEEPER_DISCOVERY_SPI_ACK_TIMEOUT
static String	IGNITE_ZOOKEEPER_DISCOVERY_SPI_EVTS_THROTTLE
static String	IGNITE_ZOOKEEPER_DISCOVERY_SPI_MAX_EVTS
IgniteDiscoverySpiInternalListener	internalLsnr

Constructor Summary

Constructors

Constructor and Description
ZookeeperDiscoveryImpl(ZookeeperDiscoverySpi spi, String igniteInstanceName, IgniteLogger log, String zkRootPath, ZookeeperClusterNode locNode, DiscoverySpiListener lsnr, DiscoverySpiDataExchange exchange, IgniteDiscoverySpiInternalListener internalLsnr, ZookeeperDiscoveryStatistics stats, JdkMarshaller marsh)

Method Summary

Modifier and Type	Method and Description
boolean	allNodesSupport(IgniteFeatures feature, IgnitePredicate<ClusterNode> nodesPred)
void	failNode(UUID nodeId, @Nullable String warning)
UUID	getCoordinator()
String	getSpiState()
String	getZkSessionId()
long	gridStartTime()
boolean	knownNode(UUID nodeId)
ClusterNode	localNode()
@Nullable ZookeeperClusterNode	node(long nodeOrder)
@Nullable ZookeeperClusterNode	node(UUID nodeId)
boolean	pingNode(UUID nodeId)
void	reconnect()
Collection<ClusterNode>	remoteNodes()
void	resolveCommunicationError(ClusterNode node0, Exception err)
void	sendCustomMessage(DiscoverySpiCustomMessage msg)
void	setGridStartTime(long val) Sets grid start time.
void	simulateNodeFailure()
void	startJoinAndWait() Starts join procedure and waits for EventType.EVT_NODE_JOINED event for local node.
void	stop()
static byte[]	unzip(byte[] zipBytes)

Methods inherited from class java.lang.Object

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

Field Detail

DFLT_ZOOKEEPER_DISCOVERY_SPI_ACK_THRESHOLD

public static final int DFLT_ZOOKEEPER_DISCOVERY_SPI_ACK_THRESHOLD

See Also:

IGNITE_ZOOKEEPER_DISCOVERY_SPI_ACK_THRESHOLD, Constant Field Values

DFLT_ZOOKEEPER_DISCOVERY_SPI_ACK_TIMEOUT

public static final int DFLT_ZOOKEEPER_DISCOVERY_SPI_ACK_TIMEOUT

See Also:

IGNITE_ZOOKEEPER_DISCOVERY_SPI_ACK_TIMEOUT, Constant Field Values

DFLT_ZOOKEEPER_DISCOVERY_SPI_MAX_EVTS

public static final int DFLT_ZOOKEEPER_DISCOVERY_SPI_MAX_EVTS

See Also:

IGNITE_ZOOKEEPER_DISCOVERY_SPI_MAX_EVTS, Constant Field Values

DFLT_ZOOKEEPER_DISCOVERY_SPI_EVTS_THROTTLE

public static final int DFLT_ZOOKEEPER_DISCOVERY_SPI_EVTS_THROTTLE

See Also:

IGNITE_ZOOKEEPER_DISCOVERY_SPI_EVTS_THROTTLE, Constant Field Values

IGNITE_ZOOKEEPER_DISCOVERY_SPI_ACK_THRESHOLD

@SystemProperty(value="Maximum count of unprocessed events",
                type=java.lang.Long.class,
                defaults="5")
public static final String IGNITE_ZOOKEEPER_DISCOVERY_SPI_ACK_THRESHOLD

See Also:

Constant Field Values

IGNITE_ZOOKEEPER_DISCOVERY_SPI_ACK_TIMEOUT

@SystemProperty(value="Timeout to update processed events",
                type=java.lang.Long.class,
                defaults="60000")
public static final String IGNITE_ZOOKEEPER_DISCOVERY_SPI_ACK_TIMEOUT

See Also:

Constant Field Values

IGNITE_ZOOKEEPER_DISCOVERY_SPI_MAX_EVTS

@SystemProperty(value="Maximum count of unrpocessed events",
                type=java.lang.Long.class,
                defaults="100")
public static final String IGNITE_ZOOKEEPER_DISCOVERY_SPI_MAX_EVTS

See Also:

Constant Field Values

IGNITE_ZOOKEEPER_DISCOVERY_SPI_EVTS_THROTTLE

@SystemProperty(value="Maximum count of events to delay alive nodes change process",
                type=java.lang.Long.class,
                defaults="0")
public static final String IGNITE_ZOOKEEPER_DISCOVERY_SPI_EVTS_THROTTLE

See Also:

Constant Field Values

internalLsnr

public volatile IgniteDiscoverySpiInternalListener internalLsnr

Constructor Detail

ZookeeperDiscoveryImpl

public ZookeeperDiscoveryImpl(ZookeeperDiscoverySpi spi,
                              String igniteInstanceName,
                              IgniteLogger log,
                              String zkRootPath,
                              ZookeeperClusterNode locNode,
                              DiscoverySpiListener lsnr,
                              DiscoverySpiDataExchange exchange,
                              IgniteDiscoverySpiInternalListener internalLsnr,
                              ZookeeperDiscoveryStatistics stats,
                              JdkMarshaller marsh)

Parameters:

spi - Discovery SPI.

igniteInstanceName - Instance name.

log - Logger.

zkRootPath - Zookeeper base path node all nodes.

locNode - Local node instance.

lsnr - Discovery events listener.

exchange - Discovery data exchange.

internalLsnr - Internal listener (used for testing only).

stats - Zookeeper DiscoverySpi statistics collector.

marsh - Marshaller.

Method Detail

localNode

public ClusterNode localNode()

Returns:

Local node instance.

node

@Nullable
public @Nullable ZookeeperClusterNode node(UUID nodeId)

Parameters:

nodeId - Node ID.

Returns:

Node instance.

node

@Nullable
public @Nullable ZookeeperClusterNode node(long nodeOrder)

Parameters:

nodeOrder - Node order.

Returns:

Node instance.

resolveCommunicationError

public void resolveCommunicationError(ClusterNode node0,
                                      Exception err)

Parameters:

node0 - Problem node ID

err - Connect error.

pingNode

public boolean pingNode(UUID nodeId)

Parameters:

nodeId - Node ID.

Returns:

Ping result.

failNode

public void failNode(UUID nodeId,
                     @Nullable
                     @Nullable String warning)

Parameters:

nodeId - Node ID.

warning - Warning.

reconnect

public void reconnect()

remoteNodes

public Collection<ClusterNode> remoteNodes()

Returns:

Remote nodes.

allNodesSupport

public boolean allNodesSupport(IgniteFeatures feature,
                               IgnitePredicate<ClusterNode> nodesPred)

Parameters:

feature - Feature to check.

nodesPred - Predicate to filter cluster nodes.

Returns:

true if all nodes support the given feature, false otherwise.

knownNode

public boolean knownNode(UUID nodeId)

Parameters:

nodeId - Node ID.

Returns:

True if node joined or joining topology.

sendCustomMessage

public void sendCustomMessage(DiscoverySpiCustomMessage msg)

Parameters:

msg - Message.

gridStartTime

public long gridStartTime()

Returns:

Cluster start time.

setGridStartTime

public void setGridStartTime(long val)

Sets grid start time.

Parameters:

val - New time value.

startJoinAndWait

public void startJoinAndWait()
                      throws InterruptedException

Starts join procedure and waits for EventType.EVT_NODE_JOINED event for local node.

Throws:

InterruptedException - If interrupted.

simulateNodeFailure

public void simulateNodeFailure()

stop

public void stop()

unzip

public static byte[] unzip(byte[] zipBytes)
                    throws DataFormatException

Parameters:

zipBytes - Zip-compressed bytes.

Returns:

Uncompressed bytes.

Throws:

DataFormatException - If compressed data format is invalid.

getCoordinator

public UUID getCoordinator()

getSpiState

public String getSpiState()

getZkSessionId

public String getZkSessionId()