org.apache.ignite.internal

Class GridKernalContextImpl

java.lang.Object

org.apache.ignite.internal.GridKernalContextImpl

All Implemented Interfaces:

Externalizable, Serializable, Iterable<GridComponent>, GridKernalContext

@GridToStringExclude
public class GridKernalContextImpl
extends Object
implements GridKernalContext, Externalizable

Implementation of kernal context.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected ExecutorService	execSvc
protected ExecutorService	restExecSvc
protected ExecutorService	sysExecSvc

Constructor Summary

Constructors

Modifier	Constructor and Description
	GridKernalContextImpl() No-arg constructor is required by externalization.
protected	GridKernalContextImpl(GridLoggerProxy log, IgniteEx grid, IgniteConfiguration cfg, GridKernalGateway gw, ExecutorService utilityCachePool, ExecutorService marshCachePool, ExecutorService execSvc, ExecutorService sysExecSvc, ExecutorService p2pExecSvc, ExecutorService mgmtExecSvc, ExecutorService igfsExecSvc, ExecutorService restExecSvc, List<PluginProvider> plugins) Creates new kernal context.

Method Summary

Methods

Modifier and Type	Method and Description
void	add(GridComponent comp)
void	add(GridComponent comp, boolean addToList)
void	addHelper(Object helper)
Object	addNodeAttribute(String key, Object val) Add attribute to node attributes.
GridAffinityProcessor	affinity() Gets cache data affinity processor.
GridCacheProcessor	cache() Gets caches processor.
IgniteCacheObjectProcessor	cacheObjects() Gets cache object processor.
GridCheckpointManager	checkpoint() Gets checkpoint manager.
boolean	clientDisconnected()
boolean	clientNode()
GridClockSyncProcessor	clockSync() Gets time processor.
GridClosureProcessor	closure() Gets closure processor.
ClusterProcessor	cluster() Gets Cluster processor.
GridCollisionManager	collision() Gets collision manager.
List<GridComponent>	components() Gets list of all grid components in the order they were added.
IgniteConfiguration	config() Gets grid configuration.
GridContinuousProcessor	continuous() Gets event continuous processor.
<T> T	createComponent(Class<T> cls) Creates optional component.
<K,V> DataStreamProcessor<K,V>	dataStream() Gets data streamer processor.
DataStructuresProcessor	dataStructures() Gets data structures processor.
GridDeploymentManager	deploy() Gets deployment manager.
GridDiscoveryManager	discovery() Gets discovery manager.
GridEventStorageManager	event() Gets event storage manager.
IgniteExceptionRegistry	exceptionRegistry() Gets exception registry.
GridFailoverManager	failover() Gets failover manager.
GridKernalGateway	gateway() Gets kernal gateway.
ExecutorService	getExecutorService()
ExecutorService	getIgfsExecutorService() Executor service that is in charge of processing outgoing IGFS messages.
ExecutorService	getManagementExecutorService() Executor service that is in charge of processing internal and Visor GridJobs.
ExecutorService	getPeerClassLoadingExecutorService()
ExecutorService	getRestExecutorService() Should return an instance of fully configured thread pool to be used for processing of client messages (REST requests).
ExecutorService	getSystemExecutorService() Executor service that is in charge of processing internal system messages.
IgniteEx	grid() Gets grid instance managed by kernal.
String	gridName() Gets grid name.
HadoopProcessorAdapter	hadoop() Gets Hadoop processor.
boolean	hasNodeAttribute(String key) Check if node has specified attribute.
IgfsProcessorAdapter	igfs() Gets file system processor.
IgfsHelper	igfsHelper() Gets IGFS utils processor.
GridIndexingManager	indexing() Gets indexing manager.
GridIoManager	io() Gets communication manager.
boolean	isDaemon() Checks whether this node is daemon.
boolean	isStopping()
Iterator<GridComponent>	iterator()
GridJobProcessor	job() Gets job processor.
GridJobMetricsProcessor	jobMetric() Gets job metric processor.
GridLoadBalancerManager	loadBalancing() Gets load balancing manager.
UUID	localNodeId() Gets local node ID.
IgniteLogger	log(Class<?> cls) Gets logger for given class.
IgniteLogger	log(String ctgr) Gets logger for given category.
void	markSegmented() Sets segmented flag to true when node is stopped due to segmentation issues.
ExecutorService	marshallerCachePool() Gets marshaller cache pool.
MarshallerContextImpl	marshallerContext() Gets marshaller context.
Object	nodeAttribute(String key) Get node attribute by name.
Map<String,Object>	nodeAttributes()
GridOffHeapProcessor	offheap() Gets offheap processor.
GridPerformanceSuggestions	performance()
PlatformProcessor	platform()
PluginProvider	pluginProvider(String name)
IgnitePluginProcessor	plugins()
GridPortProcessor	ports() Gets port processor.
void	printMemoryStats() Print grid kernal memory stats (sizes of internal structures, etc.).
GridQueryProcessor	query() Gets query processor.
void	readExternal(ObjectInput in)
protected Object	readResolve() Reconstructs object on unmarshalling.
GridResourceProcessor	resource() Gets resource processor.
GridRestProcessor	rest() Gets REST processor.
IgniteScheduleProcessorAdapter	schedule() Gets schedule processor.
GridSecurityProcessor	security() Gets authentication processor.
GridSegmentationProcessor	segmentation() Gets segmentation processor.
boolean	segmented() Gets segmented flag.
GridServiceProcessor	service() Gets service processor.
GridTaskSessionProcessor	session() Gets task session processor.
GridSwapSpaceManager	swap() Gets swap space manager.
GridTaskProcessor	task() Gets task processor.
GridTimeoutProcessor	timeout() Gets timeout processor.
GridClockSource	timeSource() Gets grid time source.
void	timeSource(GridClockSource clockSrc) Sets time source.
String	toString()
String	userVersion(ClassLoader ldr) Gets user version for given class loader by checking META-INF/ignite.xml file for userVersion attribute.
ExecutorService	utilityCachePool() Gets utility cache pool.
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

execSvc

@GridToStringExclude
protected ExecutorService execSvc

sysExecSvc

@GridToStringExclude
protected ExecutorService sysExecSvc

restExecSvc

@GridToStringExclude
protected ExecutorService restExecSvc

Constructor Detail

GridKernalContextImpl

public GridKernalContextImpl()

No-arg constructor is required by externalization.

GridKernalContextImpl

protected GridKernalContextImpl(GridLoggerProxy log,
                     IgniteEx grid,
                     IgniteConfiguration cfg,
                     GridKernalGateway gw,
                     ExecutorService utilityCachePool,
                     ExecutorService marshCachePool,
                     ExecutorService execSvc,
                     ExecutorService sysExecSvc,
                     ExecutorService p2pExecSvc,
                     ExecutorService mgmtExecSvc,
                     ExecutorService igfsExecSvc,
                     ExecutorService restExecSvc,
                     List<PluginProvider> plugins)
                         throws IgniteCheckedException

Creates new kernal context.

Parameters:

log - Logger.

grid - Grid instance managed by kernal.

cfg - Grid configuration.

gw - Kernal gateway.

utilityCachePool - Utility cache pool.

marshCachePool - Marshaller cache pool.

execSvc - Public executor service.

sysExecSvc - System executor service.

p2pExecSvc - P2P executor service.

mgmtExecSvc - Management executor service.

igfsExecSvc - IGFS executor service.

restExecSvc - REST executor service.

plugins - Plugin providers.

Throws:

IgniteCheckedException - In case of error.

Method Detail

iterator

public Iterator<GridComponent> iterator()

Specified by:

iterator in interface Iterable<GridComponent>

components

public List<GridComponent> components()

Gets list of all grid components in the order they were added.

Specified by:

components in interface GridKernalContext

Returns:

List of all grid components in the order they were added.

add

public void add(GridComponent comp)

Parameters:

comp - Manager to add.

add

public void add(GridComponent comp,
       boolean addToList)

Parameters:

comp - Manager to add.

addToList - If true component is added to components list.

addHelper

public void addHelper(Object helper)

Parameters:

helper - Helper to add.

isStopping

public boolean isStopping()

Specified by:

isStopping in interface GridKernalContext

Returns:

True if grid is in the process of stopping.

localNodeId

public UUID localNodeId()

Gets local node ID.

Specified by:

localNodeId in interface GridKernalContext

Returns:

Local node ID.

gridName

public String gridName()

Gets grid name.

Specified by:

gridName in interface GridKernalContext

Returns:

Grid name.

gateway

public GridKernalGateway gateway()

Gets kernal gateway.

Specified by:

gateway in interface GridKernalContext

Returns:

Kernal gateway.

grid

public IgniteEx grid()

Gets grid instance managed by kernal.

Specified by:

grid in interface GridKernalContext

Returns:

Grid instance.

config

public IgniteConfiguration config()

Gets grid configuration.

Specified by:

config in interface GridKernalContext

Returns:

Grid configuration.

task

public GridTaskProcessor task()

Gets task processor.

Specified by:

task in interface GridKernalContext

Returns:

Task processor.

job

public GridJobProcessor job()

Gets job processor.

Specified by:

job in interface GridKernalContext

Returns:

Job processor

timeout

public GridTimeoutProcessor timeout()

Gets timeout processor.

Specified by:

timeout in interface GridKernalContext

Returns:

Timeout processor.

clockSync

public GridClockSyncProcessor clockSync()

Gets time processor.

Specified by:

clockSync in interface GridKernalContext

Returns:

Time processor.

resource

public GridResourceProcessor resource()

Gets resource processor.

Specified by:

resource in interface GridKernalContext

Returns:

Resource processor.

jobMetric

public GridJobMetricsProcessor jobMetric()

Gets job metric processor.

Specified by:

jobMetric in interface GridKernalContext

Returns:

Metrics processor.

cache

public GridCacheProcessor cache()

Gets caches processor.

Specified by:

cache in interface GridKernalContext

Returns:

Cache processor.

session

public GridTaskSessionProcessor session()

Gets task session processor.

Specified by:

session in interface GridKernalContext

Returns:

Session processor.

closure

public GridClosureProcessor closure()

Gets closure processor.

Specified by:

closure in interface GridKernalContext

Returns:

Closure processor.

service

public GridServiceProcessor service()

Gets service processor.

Specified by:

service in interface GridKernalContext

Returns:

Service processor.

ports

public GridPortProcessor ports()

Gets port processor.

Specified by:

ports in interface GridKernalContext

Returns:

Port processor.

offheap

public GridOffHeapProcessor offheap()

Gets offheap processor.

Specified by:

offheap in interface GridKernalContext

Returns:

Off-heap processor.

schedule

public IgniteScheduleProcessorAdapter schedule()

Gets schedule processor.

Specified by:

schedule in interface GridKernalContext

Returns:

Schedule processor.

deploy

public GridDeploymentManager deploy()

Gets deployment manager.

Specified by:

deploy in interface GridKernalContext

Returns:

Deployment manager.

io

public GridIoManager io()

Gets communication manager.

Specified by:

io in interface GridKernalContext

Returns:

Communication manager.

discovery

public GridDiscoveryManager discovery()

Gets discovery manager.

Specified by:

discovery in interface GridKernalContext

Returns:

Discovery manager.

checkpoint

public GridCheckpointManager checkpoint()

Gets checkpoint manager.

Specified by:

checkpoint in interface GridKernalContext

Returns:

Checkpoint manager.

event

public GridEventStorageManager event()

Gets event storage manager.

Specified by:

event in interface GridKernalContext

Returns:

Event storage manager.

failover

public GridFailoverManager failover()

Gets failover manager.

Specified by:

failover in interface GridKernalContext

Returns:

Failover manager.

collision

public GridCollisionManager collision()

Gets collision manager.

Specified by:

collision in interface GridKernalContext

Returns:

Collision manager.

security

public GridSecurityProcessor security()

Gets authentication processor.

Specified by:

security in interface GridKernalContext

Returns:

Authentication processor.

loadBalancing

public GridLoadBalancerManager loadBalancing()

Gets load balancing manager.

Specified by:

loadBalancing in interface GridKernalContext

Returns:

Load balancing manager.

swap

public GridSwapSpaceManager swap()

Gets swap space manager.

Specified by:

swap in interface GridKernalContext

Returns:

Swap space manager.

indexing

public GridIndexingManager indexing()

Gets indexing manager.

Specified by:

indexing in interface GridKernalContext

Returns:

Indexing manager.

affinity

public GridAffinityProcessor affinity()

Gets cache data affinity processor.

Specified by:

affinity in interface GridKernalContext

Returns:

Cache data affinity processor.

rest

public GridRestProcessor rest()

Gets REST processor.

Specified by:

rest in interface GridKernalContext

Returns:

REST processor.

segmentation

public GridSegmentationProcessor segmentation()

Gets segmentation processor.

Specified by:

segmentation in interface GridKernalContext

Returns:

Segmentation processor.

dataStream

public <K,V> DataStreamProcessor<K,V> dataStream()

Gets data streamer processor.

Specified by:

dataStream in interface GridKernalContext

Returns:

Data streamer processor.

igfs

public IgfsProcessorAdapter igfs()

Gets file system processor.

Specified by:

igfs in interface GridKernalContext

Returns:

File system processor.

igfsHelper

public IgfsHelper igfsHelper()

Gets IGFS utils processor.

Specified by:

igfsHelper in interface GridKernalContext

Returns:

IGFS utils processor.

continuous

public GridContinuousProcessor continuous()

Gets event continuous processor.

Specified by:

continuous in interface GridKernalContext

Returns:

Event continuous processor.

hadoop

public HadoopProcessorAdapter hadoop()

Gets Hadoop processor.

Specified by:

hadoop in interface GridKernalContext

Returns:

Hadoop processor.

utilityCachePool

public ExecutorService utilityCachePool()

Gets utility cache pool.

Specified by:

utilityCachePool in interface GridKernalContext

Returns:

Utility cache pool.

marshallerCachePool

public ExecutorService marshallerCachePool()

Gets marshaller cache pool.

Specified by:

marshallerCachePool in interface GridKernalContext

Returns:

Marshaller cache pool.

cacheObjects

public IgniteCacheObjectProcessor cacheObjects()

Gets cache object processor.

Specified by:

cacheObjects in interface GridKernalContext

Returns:

Cache object processor.

query

public GridQueryProcessor query()

Gets query processor.

Specified by:

query in interface GridKernalContext

Returns:

Query processor.

dataStructures

public DataStructuresProcessor dataStructures()

Gets data structures processor.

Specified by:

dataStructures in interface GridKernalContext

Returns:

Data structures processor.

log

public IgniteLogger log(String ctgr)

Gets logger for given category.

Specified by:

log in interface GridKernalContext

Parameters:

ctgr - Category.

Returns:

Logger.

log

public IgniteLogger log(Class<?> cls)

Gets logger for given class.

Specified by:

log in interface GridKernalContext

Parameters:

cls - Class to get logger for.

Returns:

Logger.

markSegmented

public void markSegmented()

Sets segmented flag to true when node is stopped due to segmentation issues.

Specified by:

markSegmented in interface GridKernalContext

segmented

public boolean segmented()

Gets segmented flag.

Specified by:

segmented in interface GridKernalContext

Returns:

True if network is currently segmented, false otherwise.

timeSource

public GridClockSource timeSource()

Gets grid time source.

Specified by:

timeSource in interface GridKernalContext

Returns:

Time source.

timeSource

public void timeSource(GridClockSource clockSrc)

Sets time source. For test purposes only.

Parameters:

clockSrc - Time source.

performance

public GridPerformanceSuggestions performance()

Specified by:

performance in interface GridKernalContext

Returns:

Performance suggestions object.

printMemoryStats

public void printMemoryStats()

Print grid kernal memory stats (sizes of internal structures, etc.). NOTE: This method is for testing and profiling purposes only.

Specified by:

printMemoryStats in interface GridKernalContext

isDaemon

public boolean isDaemon()

Checks whether this node is daemon.

Specified by:

isDaemon in interface GridKernalContext

Returns:

True if this node is daemon, false otherwise.

userVersion

public String userVersion(ClassLoader ldr)

Gets user version for given class loader by checking META-INF/ignite.xml file for userVersion attribute. If ignite.xml file is not found, or user version is not specified there, then default version (empty string) is returned.

Specified by:

userVersion in interface GridKernalContext

Parameters:

ldr - Class loader.

Returns:

User version for given class loader or empty string if no version was explicitly specified.

pluginProvider

public PluginProvider pluginProvider(String name)
                              throws PluginNotFoundException

Specified by:

pluginProvider in interface GridKernalContext

Parameters:

name - Plugin name.

Returns:

Plugin provider instance.

Throws:

PluginNotFoundException - If plugin provider for the given name was not found.

createComponent

@Nullable
public <T> T createComponent(Class<T> cls)

Creates optional component.

Specified by:

createComponent in interface GridKernalContext

Parameters:

cls - Component class.

Returns:

Created component.

plugins

public IgnitePluginProcessor plugins()

Specified by:

plugins in interface GridKernalContext

Returns:

Plugin manager.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

readResolve

protected Object readResolve()
                      throws ObjectStreamException

Reconstructs object on unmarshalling.

Returns:

Reconstructed object.

Throws:

ObjectStreamException - Thrown in case of unmarshalling error.

getExecutorService

public ExecutorService getExecutorService()

Specified by:

getExecutorService in interface GridKernalContext

Returns:

Thread pool implementation to be used in grid to process job execution requests and user messages sent to the node.

getSystemExecutorService

public ExecutorService getSystemExecutorService()

Executor service that is in charge of processing internal system messages.

Specified by:

getSystemExecutorService in interface GridKernalContext

Returns:

Thread pool implementation to be used in grid for internal system messages.

getManagementExecutorService

public ExecutorService getManagementExecutorService()

Executor service that is in charge of processing internal and Visor GridJobs.

Specified by:

getManagementExecutorService in interface GridKernalContext

Returns:

Thread pool implementation to be used in grid for internal and Visor jobs processing.

getPeerClassLoadingExecutorService

public ExecutorService getPeerClassLoadingExecutorService()

Specified by:

getPeerClassLoadingExecutorService in interface GridKernalContext

Returns:

Thread pool implementation to be used for peer class loading requests handling.

getIgfsExecutorService

public ExecutorService getIgfsExecutorService()

Executor service that is in charge of processing outgoing IGFS messages.

Specified by:

getIgfsExecutorService in interface GridKernalContext

Returns:

Thread pool implementation to be used for IGFS outgoing message sending.

getRestExecutorService

public ExecutorService getRestExecutorService()

Should return an instance of fully configured thread pool to be used for processing of client messages (REST requests).

Specified by:

getRestExecutorService in interface GridKernalContext

Returns:

Thread pool implementation to be used for processing of client messages.

exceptionRegistry

public IgniteExceptionRegistry exceptionRegistry()

Gets exception registry.

Specified by:

exceptionRegistry in interface GridKernalContext

Returns:

Exception registry.

nodeAttribute

public Object nodeAttribute(String key)

Get node attribute by name.

Specified by:

nodeAttribute in interface GridKernalContext

Parameters:

key - Attribute name.

Returns:

Attribute value.

hasNodeAttribute

public boolean hasNodeAttribute(String key)

Check if node has specified attribute.

Specified by:

hasNodeAttribute in interface GridKernalContext

Parameters:

key - Attribute name.

Returns:

true If node has attribute with specified name.

addNodeAttribute

public Object addNodeAttribute(String key,
                      Object val)

Add attribute to node attributes.

Specified by:

addNodeAttribute in interface GridKernalContext

Parameters:

key - Attribute name.

val - Attribute value.

Returns:

Previous attribute value associated with attribute name.

nodeAttributes

public Map<String,Object> nodeAttributes()

Specified by:

nodeAttributes in interface GridKernalContext

Returns:

Node attributes.

cluster

public ClusterProcessor cluster()

Gets Cluster processor.

Specified by:

cluster in interface GridKernalContext

Returns:

Cluster processor.

marshallerContext

public MarshallerContextImpl marshallerContext()

Gets marshaller context.

Specified by:

marshallerContext in interface GridKernalContext

Returns:

Marshaller context.

clientNode

public boolean clientNode()

Specified by:

clientNode in interface GridKernalContext

Returns:

True if local node is client node (has flag IgniteConfiguration.isClientMode() set).

clientDisconnected

public boolean clientDisconnected()

Specified by:

clientDisconnected in interface GridKernalContext

Returns:

True if local node in disconnected state.

platform

public PlatformProcessor platform()

Specified by:

platform in interface GridKernalContext

Returns:

Platform processor.

toString

public String toString()

Overrides:

toString in class Object