com.orientechnologies.orient.server.distributed

Interface ODistributedServerManager

public interface ODistributedServerManager

Server cluster interface to abstract cluster behavior.

Author:

Luca Garulli (l.garulli--at--orientechnologies.com)

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ODistributedServerManager.DB_STATUS Database status.
static class	ODistributedServerManager.NODE_STATUS Server status.

Field Summary

Fields

Modifier and Type	Field and Description
static String	FILE_DISTRIBUTED_DB_CONFIG

Method Summary

Modifier and Type	Method and Description
boolean	checkNodeStatus(ODistributedServerManager.NODE_STATUS string)
Throwable	convertException(Throwable original)
Object	executeOnLocalNode(ODistributedRequestId reqId, ORemoteTask task, com.orientechnologies.orient.core.db.ODatabaseDocumentInternal database)
Set<String>	getActiveServers()
Set<String>	getAvailableNodeNames(String databaseName)
int	getAvailableNodes(Collection<String> iNodes, String databaseName)
int	getAvailableNodes(String iDatabaseName)
com.orientechnologies.orient.core.record.impl.ODocument	getClusterConfiguration()
Map<String,Object>	getConfigurationMap()
ODistributedConflictResolverFactory	getConflictResolverFactory()
ODistributedConfiguration	getDatabaseConfiguration(String iDatabaseName)
ODistributedConfiguration	getDatabaseConfiguration(String iDatabaseName, boolean createIfNotPresent)
ODistributedServerManager.DB_STATUS	getDatabaseStatus(String iNode, String iDatabaseName)
ODistributedStrategy	getDistributedStrategy()
long	getLastClusterChangeOn()
com.orientechnologies.orient.core.record.impl.ODocument	getLocalNodeConfiguration()
int	getLocalNodeId()
String	getLocalNodeName()
Lock	getLock(String iLockName) Gets a distributed lock
ODistributedMessageService	getMessageService()
long	getNextMessageIdCounter()
com.orientechnologies.orient.core.record.impl.ODocument	getNodeConfigurationByUuid(String iNode, boolean useCache)
int	getNodeIdByName(String node)
String	getNodeNameById(int id)
ODistributedServerManager.NODE_STATUS	getNodeStatus()
String	getNodeUuidByName(String name)
List<String>	getOnlineNodes(String iDatabaseName)
ORemoteServerController	getRemoteServer(String nodeName)
OServer	getServerInstance()
com.orientechnologies.orient.core.record.impl.ODocument	getStats()
com.orientechnologies.orient.core.storage.OStorage	getStorage(String databaseName)
ORemoteTaskFactory	getTaskFactory()
boolean	installDatabase(boolean iStartup, String databaseName, com.orientechnologies.orient.core.record.impl.ODocument config, boolean forceDeployment, boolean tryWithDeltaFirst)
boolean	isEnabled()
boolean	isNodeAvailable(String iNodeName)
boolean	isNodeAvailable(String iNodeName, String databaseName) Available means not OFFLINE, so ONLINE or SYNCHRONIZING.
boolean	isNodeOnline(String iNodeName, String databaseName) Returns true if the node status is ONLINE.
boolean	isNodeStatusEqualsTo(String iNodeName, String iDatabaseName, ODistributedServerManager.DB_STATUS... statuses) Checks the node status if it's one of the statuses received as argument.
boolean	isOffline()
void	propagateSchemaChanges(com.orientechnologies.orient.core.db.ODatabaseInternal iStorage)
boolean	reassignClustersOwnership(String iNode, String databaseName, Set<String> clustersWithNotAvailableOwner, boolean rebalance)
ODistributedServerManager	registerLifecycleListener(ODistributedLifecycleListener iListener)
void	removeServer(String nodeLeftName, boolean removeOnlyDynamicServers)
ODistributedResponse	sendRequest(String iDatabaseName, Collection<String> iClusterNames, Collection<String> iTargetNodeNames, ORemoteTask iTask, long messageId, ODistributedRequest.EXECUTION_MODE iExecutionMode, Object localResult, com.orientechnologies.common.util.OCallable<Void,ODistributedRequestId> iAfterSentCallback) Sends a distributed request against multiple servers.
void	setDatabaseStatus(String iNode, String iDatabaseName, ODistributedServerManager.DB_STATUS iStatus)
void	setDistributedStrategy(ODistributedStrategy streatgy)
void	setNodeStatus(ODistributedServerManager.NODE_STATUS iStatus)
ODistributedServerManager	unregisterLifecycleListener(ODistributedLifecycleListener iListener)
void	updateCachedDatabaseConfiguration(String iDatabaseName, com.orientechnologies.orient.core.record.impl.ODocument cfg, boolean iSaveToDisk, boolean iDeployToCluster)
void	updateLastClusterChange()
void	waitUntilNodeOnline()
void	waitUntilNodeOnline(String nodeName, String databaseName)

Field Detail

FILE_DISTRIBUTED_DB_CONFIG

static final String FILE_DISTRIBUTED_DB_CONFIG

See Also:

Constant Field Values

Method Detail

isNodeStatusEqualsTo

boolean isNodeStatusEqualsTo(String iNodeName,
                             String iDatabaseName,
                             ODistributedServerManager.DB_STATUS... statuses)

Checks the node status if it's one of the statuses received as argument.

Parameters:

iNodeName - Node name

iDatabaseName - Database name

statuses - vararg of statuses

Returns:

true if the node's status is equals to one of the passed statuses, otherwise false

isNodeAvailable

boolean isNodeAvailable(String iNodeName)

getAvailableNodeNames

Set<String> getAvailableNodeNames(String databaseName)

waitUntilNodeOnline

void waitUntilNodeOnline()
                  throws InterruptedException

Throws:

InterruptedException

waitUntilNodeOnline

void waitUntilNodeOnline(String nodeName,
                         String databaseName)
                  throws InterruptedException

Throws:

InterruptedException

getStorage

com.orientechnologies.orient.core.storage.OStorage getStorage(String databaseName)

getServerInstance

OServer getServerInstance()

isEnabled

boolean isEnabled()

registerLifecycleListener

ODistributedServerManager registerLifecycleListener(ODistributedLifecycleListener iListener)

unregisterLifecycleListener

ODistributedServerManager unregisterLifecycleListener(ODistributedLifecycleListener iListener)

executeOnLocalNode

Object executeOnLocalNode(ODistributedRequestId reqId,
                          ORemoteTask task,
                          com.orientechnologies.orient.core.db.ODatabaseDocumentInternal database)

getRemoteServer

ORemoteServerController getRemoteServer(String nodeName)
                                 throws IOException

Throws:

IOException

getConfigurationMap

Map<String,Object> getConfigurationMap()

getLastClusterChangeOn

long getLastClusterChangeOn()

getNodeStatus

ODistributedServerManager.NODE_STATUS getNodeStatus()

setNodeStatus

void setNodeStatus(ODistributedServerManager.NODE_STATUS iStatus)

checkNodeStatus

boolean checkNodeStatus(ODistributedServerManager.NODE_STATUS string)

removeServer

void removeServer(String nodeLeftName,
                  boolean removeOnlyDynamicServers)

getDatabaseStatus

ODistributedServerManager.DB_STATUS getDatabaseStatus(String iNode,
                                                      String iDatabaseName)

setDatabaseStatus

void setDatabaseStatus(String iNode,
                       String iDatabaseName,
                       ODistributedServerManager.DB_STATUS iStatus)

getMessageService

ODistributedMessageService getMessageService()

getDistributedStrategy

ODistributedStrategy getDistributedStrategy()

setDistributedStrategy

void setDistributedStrategy(ODistributedStrategy streatgy)

updateCachedDatabaseConfiguration

void updateCachedDatabaseConfiguration(String iDatabaseName,
                                       com.orientechnologies.orient.core.record.impl.ODocument cfg,
                                       boolean iSaveToDisk,
                                       boolean iDeployToCluster)

getNextMessageIdCounter

long getNextMessageIdCounter()

getNodeUuidByName

String getNodeUuidByName(String name)

updateLastClusterChange

void updateLastClusterChange()

reassignClustersOwnership

boolean reassignClustersOwnership(String iNode,
                                  String databaseName,
                                  Set<String> clustersWithNotAvailableOwner,
                                  boolean rebalance)

isNodeAvailable

boolean isNodeAvailable(String iNodeName,
                        String databaseName)

Available means not OFFLINE, so ONLINE or SYNCHRONIZING.

isNodeOnline

boolean isNodeOnline(String iNodeName,
                     String databaseName)

Returns true if the node status is ONLINE.

getAvailableNodes

int getAvailableNodes(String iDatabaseName)

getAvailableNodes

int getAvailableNodes(Collection<String> iNodes,
                      String databaseName)

isOffline

boolean isOffline()

getLocalNodeId

int getLocalNodeId()

getLocalNodeName

String getLocalNodeName()

getClusterConfiguration

com.orientechnologies.orient.core.record.impl.ODocument getClusterConfiguration()

getNodeNameById

String getNodeNameById(int id)

getNodeIdByName

int getNodeIdByName(String node)

getNodeConfigurationByUuid

com.orientechnologies.orient.core.record.impl.ODocument getNodeConfigurationByUuid(String iNode,
                                                                                   boolean useCache)

getLocalNodeConfiguration

com.orientechnologies.orient.core.record.impl.ODocument getLocalNodeConfiguration()

propagateSchemaChanges

void propagateSchemaChanges(com.orientechnologies.orient.core.db.ODatabaseInternal iStorage)

getLock

Lock getLock(String iLockName)

Gets a distributed lock

Parameters:

iLockName - name of the lock

Returns:

getDatabaseConfiguration

ODistributedConfiguration getDatabaseConfiguration(String iDatabaseName)

getDatabaseConfiguration

ODistributedConfiguration getDatabaseConfiguration(String iDatabaseName,
                                                   boolean createIfNotPresent)

sendRequest

ODistributedResponse sendRequest(String iDatabaseName,
                                 Collection<String> iClusterNames,
                                 Collection<String> iTargetNodeNames,
                                 ORemoteTask iTask,
                                 long messageId,
                                 ODistributedRequest.EXECUTION_MODE iExecutionMode,
                                 Object localResult,
                                 com.orientechnologies.common.util.OCallable<Void,ODistributedRequestId> iAfterSentCallback)

Sends a distributed request against multiple servers.

Parameters:

iDatabaseName -

iClusterNames -

iTargetNodeNames -

iTask -

messageId - Message Id as long

iExecutionMode -

localResult - It's the result of the request executed locally

iAfterSentCallback -

Returns:

getStats

com.orientechnologies.orient.core.record.impl.ODocument getStats()

convertException

Throwable convertException(Throwable original)

getOnlineNodes

List<String> getOnlineNodes(String iDatabaseName)

installDatabase

boolean installDatabase(boolean iStartup,
                        String databaseName,
                        com.orientechnologies.orient.core.record.impl.ODocument config,
                        boolean forceDeployment,
                        boolean tryWithDeltaFirst)

getTaskFactory

ORemoteTaskFactory getTaskFactory()

getActiveServers

Set<String> getActiveServers()

getConflictResolverFactory

ODistributedConflictResolverFactory getConflictResolverFactory()