GridKernalContext (Ignite 2.8.0)

All Superinterfaces:

Iterable<GridComponent>

All Known Implementing Classes:

GridKernalContextImpl, StandaloneGridKernalContext
```
@GridToStringExclude
public interface GridKernalContext
extends Iterable<GridComponent>
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`Object`	`addNodeAttribute(String key, Object val)` Add attribute to node attributes.
`GridAffinityProcessor`	`affinity()` Gets cache data affinity processor.
`IgniteStripedThreadPoolExecutor`	`asyncCallbackPool()` Gets async callback pool.
`IgniteAuthenticationProcessor`	`authentication()` Gets authentication processor.
`GridCacheProcessor`	`cache()` Gets caches processor.
`IgniteCacheObjectProcessor`	`cacheObjects()` Gets cache object processor.
`GridCheckpointManager`	`checkpoint()` Gets checkpoint manager.
`boolean`	`clientDisconnected()`
`boolean`	`clientNode()`
`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.
`CompressionProcessor`	`compress()`
`IgniteConfiguration`	`config()` Gets grid configuration.
`GridContinuousProcessor`	`continuous()` Gets event continuous processor.
`MvccProcessor`	`coordinators()`
`<T> T`	`createComponent(Class<T> cls)` Creates optional component.
`@Nullable Map<String,? extends ExecutorService>`	`customExecutors()` Executor services that is in charge of processing user compute task.
`<K,V> DataStreamProcessor<K,V>`	`dataStream()` Gets data streamer processor.
`DataStructuresProcessor`	`dataStructures()` Gets data structures processor.
`GridDeploymentManager`	`deploy()` Gets deployment manager.
`DiagnosticProcessor`	`diagnostic()` Gets diagnostic processor.
`GridDiscoveryManager`	`discovery()` Gets discovery manager.
`DistributedConfigurationProcessor`	`distributedConfiguration()` Gets distributed configuration processor.
`DistributedMetaStorage`	`distributedMetastorage()` Gets global metastorage.
`GridEncryptionManager`	`encryption()` Gets encryption manager.
`GridEventStorageManager`	`event()` Gets event storage manager.
`IgniteExceptionRegistry`	`exceptionRegistry()` Gets exception registry.
`GridFailoverManager`	`failover()` Gets failover manager.
`FailureProcessor`	`failure()` Gets failure processor.
`GridKernalGateway`	`gateway()` Gets kernal gateway.
`ExecutorService`	`getAffinityExecutorService()` Get affinity executor service.
`StripedExecutor`	`getDataStreamerExecutorService()` Executor service that is in charge of processing data stream messages.
`ExecutorService`	`getExecutorService()`
`ExecutorService`	`getIgfsExecutorService()` Executor service that is in charge of processing outgoing IGFS messages.
`@Nullable ExecutorService`	`getIndexingExecutorService()` Get indexing executor service.
`ExecutorService`	`getManagementExecutorService()` Executor service that is in charge of processing internal and Visor `GridJobs`.
`ExecutorService`	`getPeerClassLoadingExecutorService()`
`ExecutorService`	`getQueryExecutorService()` Executor service that is in charge of processing query messages.
`ExecutorService`	`getRebalanceExecutorService()` Executor service that is in charge of processing rebalance messages.
`ExecutorService`	`getRestExecutorService()` Should return an instance of fully configured thread pool to be used for processing of client messages (REST requests).
`ExecutorService`	`getSchemaExecutorService()` Executor service that is in charge of processing schema change messages.
`ExecutorService`	`getServiceExecutorService()` Executor service that is in charge of processing service proxy invocations.
`StripedExecutor`	`getStripedExecutorService()` Executor service that is in charge of processing internal system messages in stripes (dedicated threads).
`IgniteStripedThreadPoolExecutor`	`getStripedRebalanceExecutorService()` Executor service that is in charge of processing unorderable rebalance messages.
`ExecutorService`	`getSystemExecutorService()` Executor service that is in charge of processing internal system messages.
`IgniteEx`	`grid()` Gets grid instance managed by kernal.
`HadoopProcessorAdapter`	`hadoop()` Gets Hadoop processor.
`HadoopHelper`	`hadoopHelper()` Gets Hadoop helper.
`boolean`	`hasNodeAttribute(String key)` Check if node has specified attribute.
`IgfsProcessorAdapter`	`igfs()` Gets file system processor.
`IgfsHelper`	`igfsHelper()` Gets IGFS utils processor.
`String`	`igniteInstanceName()` Gets Ignite instance name.
`GridIndexingManager`	`indexing()` Gets indexing manager.
`GridInternalSubscriptionProcessor`	`internalSubscriptionProcessor()`
`boolean`	`invalid()` Checks whether this node is invalid due to a critical error or not.
`GridIoManager`	`io()` Gets communication manager.
`boolean`	`isDaemon()` Checks whether this node is daemon.
`boolean`	`isStopping()`
`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.
`LongJVMPauseDetector`	`longJvmPauseDetector()` Gets long JVM pause detector.
`GridMarshallerMappingProcessor`	`mapping()` Gets grid marshaller mapping processor.
`MarshallerContextImpl`	`marshallerContext()` Gets marshaller context.
`GridMetricManager`	`metric()` Gets metric manager.
`Object`	`nodeAttribute(String key)` Get node attribute by name.
`Map<String,Object>`	`nodeAttributes()`
`PdsFoldersResolver`	`pdsFolderResolver()`
`GridPerformanceSuggestions`	`performance()`
`PlatformProcessor`	`platform()`
`PluginProvider`	`pluginProvider(String name)`
`IgnitePluginProcessor`	`plugins()`
`PoolProcessor`	`pools()` Gets pool processor.
`GridPortProcessor`	`ports()` Gets port processor.
`void`	`printMemoryStats()` Print grid kernal memory stats (sizes of internal structures, etc.).
`GridQueryProcessor`	`query()` Gets query processor.
`boolean`	`recoveryMode()`
`GridResourceProcessor`	`resource()` Gets resource processor.
`IgniteRestProcessor`	`rest()` Gets REST processor.
`IgniteScheduleProcessorAdapter`	`schedule()` Gets schedule processor.
`IgniteSecurity`	`security()` Gets instance of `IgniteSecurity`.
`GridSegmentationProcessor`	`segmentation()` Gets segmentation processor.
`boolean`	`segmented()` Checks whether this node detected its segmentation from the rest of the grid.
`ServiceProcessorAdapter`	`service()` Gets service processor.
`GridTaskSessionProcessor`	`session()` Gets task session processor.
`ClientListenerProcessor`	`sqlListener()` Gets SQL listener processor.
`GridClusterStateProcessor`	`state()` Gets cluster state processor.
`GridSystemViewManager`	`systemView()` Gets system view manager.
`GridTaskProcessor`	`task()` Gets task processor.
`GridTimeoutProcessor`	`timeout()` Gets timeout processor.
`Thread.UncaughtExceptionHandler`	`uncaughtExceptionHandler()`
`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.
`WorkersRegistry`	`workersRegistry()` Gets workers registry.

Methods inherited from interface java.lang.Iterable
forEach, iterator, spliterator

- Method Detail
  - components
```
List<GridComponent> components()
```
    Gets list of all grid components in the order they were added.
    
    Returns:
    
    List of all grid components in the order they were added.
  - localNodeId
```
UUID localNodeId()
```
    Gets local node ID.
    
    Returns:
    
    Local node ID.
  - igniteInstanceName
```
String igniteInstanceName()
```
    Gets Ignite instance name.
    
    Returns:
    
    Ignite instance name.
  - log
```
IgniteLogger log(String ctgr)
```
    Gets logger for given category.
    
    Parameters:
    
    ctgr - Category.
    
    Returns:
    
    Logger.
  - log
```
IgniteLogger log(Class<?> cls)
```
    Gets logger for given class.
    
    Parameters:
    
    cls - Class to get logger for.
    
    Returns:
    
    Logger.
  - isStopping
```
boolean isStopping()
```
    Returns:
    
    True if grid is in the process of stopping.
  - gateway
```
GridKernalGateway gateway()
```
    Gets kernal gateway.
    
    Returns:
    
    Kernal gateway.
  - grid
```
IgniteEx grid()
```
    Gets grid instance managed by kernal.
    
    Returns:
    
    Grid instance.
  - config
```
IgniteConfiguration config()
```
    Gets grid configuration.
    
    Returns:
    
    Grid configuration.
  - task
```
GridTaskProcessor task()
```
    Gets task processor.
    
    Returns:
    
    Task processor.
  - affinity
```
GridAffinityProcessor affinity()
```
    Gets cache data affinity processor.
    
    Returns:
    
    Cache data affinity processor.
  - job
```
GridJobProcessor job()
```
    Gets job processor.
    
    Returns:
    
    Job processor
  - timeout
```
GridTimeoutProcessor timeout()
```
    Gets timeout processor.
    
    Returns:
    
    Timeout processor.
  - resource
```
GridResourceProcessor resource()
```
    Gets resource processor.
    
    Returns:
    
    Resource processor.
  - jobMetric
```
GridJobMetricsProcessor jobMetric()
```
    Gets job metric processor.
    
    Returns:
    
    Metrics processor.
  - metric
```
GridMetricManager metric()
```
    Gets metric manager.
    
    Returns:
    
    Monitoring manager.
  - systemView
```
GridSystemViewManager systemView()
```
    Gets system view manager.
    
    Returns:
    
    Monitoring manager.
  - cache
```
GridCacheProcessor cache()
```
    Gets caches processor.
    
    Returns:
    
    Cache processor.
  - state
```
GridClusterStateProcessor state()
```
    Gets cluster state processor.
    
    Returns:
    
    Cluster state processor.
  - distributedMetastorage
```
DistributedMetaStorage distributedMetastorage()
```
    Gets global metastorage.
    
    Returns:
    
    Global metastorage.
  - distributedConfiguration
```
DistributedConfigurationProcessor distributedConfiguration()
```
    Gets distributed configuration processor.
    
    Returns:
    
    Distributed configuration processor.
  - session
```
GridTaskSessionProcessor session()
```
    Gets task session processor.
    
    Returns:
    
    Session processor.
  - closure
```
GridClosureProcessor closure()
```
    Gets closure processor.
    
    Returns:
    
    Closure processor.
  - service
```
ServiceProcessorAdapter service()
```
    Gets service processor.
    
    Returns:
    
    Service processor.
  - ports
```
GridPortProcessor ports()
```
    Gets port processor.
    
    Returns:
    
    Port processor.
  - schedule
```
IgniteScheduleProcessorAdapter schedule()
```
    Gets schedule processor.
    
    Returns:
    
    Schedule processor.
  - rest
```
IgniteRestProcessor rest()
```
    Gets REST processor.
    
    Returns:
    
    REST processor.
  - segmentation
```
GridSegmentationProcessor segmentation()
```
    Gets segmentation processor.
    
    Returns:
    
    Segmentation processor.
  - dataStream
```
<K,V> DataStreamProcessor<K,V> dataStream()
```
    Gets data streamer processor.
    
    Returns:
    
    Data streamer processor.
  - authentication
```
IgniteAuthenticationProcessor authentication()
```
    Gets authentication processor.
    
    Returns:
    
    Authentication processor.
  - igfs
```
IgfsProcessorAdapter igfs()
```
    Gets file system processor.
    
    Returns:
    
    File system processor.
  - igfsHelper
```
IgfsHelper igfsHelper()
```
    Gets IGFS utils processor.
    
    Returns:
    
    IGFS utils processor.
  - continuous
```
GridContinuousProcessor continuous()
```
    Gets event continuous processor.
    
    Returns:
    
    Event continuous processor.
  - hadoop
```
HadoopProcessorAdapter hadoop()
```
    Gets Hadoop processor.
    
    Returns:
    
    Hadoop processor.
  - pools
```
PoolProcessor pools()
```
    Gets pool processor.
    
    Returns:
    
    Pool processor.
  - mapping
```
GridMarshallerMappingProcessor mapping()
```
    Gets grid marshaller mapping processor.
    
    Returns:
    
    Mapping processor.
  - hadoopHelper
```
HadoopHelper hadoopHelper()
```
    Gets Hadoop helper.
    
    Returns:
    
    Hadoop helper.
  - utilityCachePool
```
ExecutorService utilityCachePool()
```
    Gets utility cache pool.
    
    Returns:
    
    Utility cache pool.
  - asyncCallbackPool
```
IgniteStripedThreadPoolExecutor asyncCallbackPool()
```
    Gets async callback pool.
    
    Returns:
    
    Async callback pool.
  - cacheObjects
```
IgniteCacheObjectProcessor cacheObjects()
```
    Gets cache object processor.
    
    Returns:
    
    Cache object processor.
  - query
```
GridQueryProcessor query()
```
    Gets query processor.
    
    Returns:
    
    Query processor.
  - sqlListener
```
ClientListenerProcessor sqlListener()
```
    Gets SQL listener processor.
    
    Returns:
    
    SQL listener processor.
  - plugins
```
IgnitePluginProcessor plugins()
```
    Returns:
    
    Plugin processor.
  - deploy
```
GridDeploymentManager deploy()
```
    Gets deployment manager.
    
    Returns:
    
    Deployment manager.
  - io
```
GridIoManager io()
```
    Gets communication manager.
    
    Returns:
    
    Communication manager.
  - discovery
```
GridDiscoveryManager discovery()
```
    Gets discovery manager.
    
    Returns:
    
    Discovery manager.
  - checkpoint
```
GridCheckpointManager checkpoint()
```
    Gets checkpoint manager.
    
    Returns:
    
    Checkpoint manager.
  - event
```
GridEventStorageManager event()
```
    Gets event storage manager.
    
    Returns:
    
    Event storage manager.
  - failover
```
GridFailoverManager failover()
```
    Gets failover manager.
    
    Returns:
    
    Failover manager.
  - collision
```
GridCollisionManager collision()
```
    Gets collision manager.
    
    Returns:
    
    Collision manager.
  - security
```
IgniteSecurity security()
```
    Gets instance of IgniteSecurity.
    
    Returns:
    
    Ignite security.
  - loadBalancing
```
GridLoadBalancerManager loadBalancing()
```
    Gets load balancing manager.
    
    Returns:
    
    Load balancing manager.
  - indexing
```
GridIndexingManager indexing()
```
    Gets indexing manager.
    
    Returns:
    
    Indexing manager.
  - encryption
```
GridEncryptionManager encryption()
```
    Gets encryption manager.
    
    Returns:
    
    Encryption manager.
  - workersRegistry
```
WorkersRegistry workersRegistry()
```
    Gets workers registry.
    
    Returns:
    
    Workers registry.
  - dataStructures
```
DataStructuresProcessor dataStructures()
```
    Gets data structures processor.
    
    Returns:
    
    Data structures processor.
  - longJvmPauseDetector
```
LongJVMPauseDetector longJvmPauseDetector()
```
    Gets long JVM pause detector.
    
    Returns:
    
    Long JVM pause detector.
  - diagnostic
```
DiagnosticProcessor diagnostic()
```
    Gets diagnostic processor.
    
    Returns:
    
    Diagnostic processor.
  - invalid
```
boolean invalid()
```
    Checks whether this node is invalid due to a critical error or not.
    
    Returns:
    
    True if this node is invalid, false otherwise.
  - segmented
```
boolean segmented()
```
    Checks whether this node detected its segmentation from the rest of the grid.
    
    Returns:
    
    True if this node has segmented, false otherwise.
  - failure
```
FailureProcessor failure()
```
    Gets failure processor.
  - printMemoryStats
```
void printMemoryStats()
```
    Print grid kernal memory stats (sizes of internal structures, etc.). NOTE: This method is for testing and profiling purposes only.
  - isDaemon
```
boolean isDaemon()
```
    Checks whether this node is daemon.
    
    Returns:
    
    True if this node is daemon, false otherwise.
  - performance
```
GridPerformanceSuggestions performance()
```
    Returns:
    
    Performance suggestions object.
  - userVersion
```
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.
    
    Parameters:
    
    ldr - Class loader.
    
    Returns:
    
    User version for given class loader or empty string if no version was explicitly specified.
  - pluginProvider
```
PluginProvider pluginProvider(String name)
                       throws PluginNotFoundException
```
    Parameters:
    
    name - Plugin name.
    
    Returns:
    
    Plugin provider instance.
    
    Throws:
    
    PluginNotFoundException - If plugin provider for the given name was not found.
  - createComponent
```
<T> T createComponent(Class<T> cls)
```
    Creates optional component.
    
    Parameters:
    
    cls - Component class.
    
    Returns:
    
    Created component.
  - getExecutorService
```
ExecutorService getExecutorService()
```
    Returns:
    
    Thread pool implementation to be used in grid to process job execution requests and user messages sent to the node.
  - getServiceExecutorService
```
ExecutorService getServiceExecutorService()
```
    Executor service that is in charge of processing service proxy invocations.
    
    Returns:
    
    Thread pool implementation to be used in grid for service proxy invocations.
  - getSystemExecutorService
```
ExecutorService getSystemExecutorService()
```
    Executor service that is in charge of processing internal system messages.
    
    Returns:
    
    Thread pool implementation to be used in grid for internal system messages.
  - getStripedExecutorService
```
StripedExecutor getStripedExecutorService()
```
    Executor service that is in charge of processing internal system messages in stripes (dedicated threads).
    
    Returns:
    
    Thread pool implementation to be used in grid for internal system messages.
  - getManagementExecutorService
```
ExecutorService getManagementExecutorService()
```
    Executor service that is in charge of processing internal and Visor GridJobs.
    
    Returns:
    
    Thread pool implementation to be used in grid for internal and Visor jobs processing.
  - getPeerClassLoadingExecutorService
```
ExecutorService getPeerClassLoadingExecutorService()
```
    Returns:
    
    Thread pool implementation to be used for peer class loading requests handling.
  - getIgfsExecutorService
```
ExecutorService getIgfsExecutorService()
```
    Executor service that is in charge of processing outgoing IGFS messages.
    
    Returns:
    
    Thread pool implementation to be used for IGFS outgoing message sending.
  - getDataStreamerExecutorService
```
StripedExecutor getDataStreamerExecutorService()
```
    Executor service that is in charge of processing data stream messages.
    
    Returns:
    
    Thread pool implementation to be used for data stream messages.
  - getRestExecutorService
```
ExecutorService getRestExecutorService()
```
    Should return an instance of fully configured thread pool to be used for processing of client messages (REST requests).
    
    Returns:
    
    Thread pool implementation to be used for processing of client messages.
  - getAffinityExecutorService
```
ExecutorService getAffinityExecutorService()
```
    Get affinity executor service.
    
    Returns:
    
    Affinity executor service.
  - getIndexingExecutorService
```
@Nullable
@Nullable ExecutorService getIndexingExecutorService()
```
    Get indexing executor service.
    
    Returns:
    
    Indexing executor service.
  - getQueryExecutorService
```
ExecutorService getQueryExecutorService()
```
    Executor service that is in charge of processing query messages.
    
    Returns:
    
    Thread pool implementation to be used in grid for query messages.
  - customExecutors
```
@Nullable
@Nullable Map<String,? extends ExecutorService> customExecutors()
```
    Executor services that is in charge of processing user compute task.
    
    Returns:
    
    Map of custom thread pool executors.
  - getSchemaExecutorService
```
ExecutorService getSchemaExecutorService()
```
    Executor service that is in charge of processing schema change messages.
    
    Returns:
    
    Executor service that is in charge of processing schema change messages.
  - getRebalanceExecutorService
```
ExecutorService getRebalanceExecutorService()
```
    Executor service that is in charge of processing rebalance messages.
    
    Returns:
    
    Executor service that is in charge of processing rebalance messages.
  - getStripedRebalanceExecutorService
```
IgniteStripedThreadPoolExecutor getStripedRebalanceExecutorService()
```
    Executor service that is in charge of processing unorderable rebalance messages.
    
    Returns:
    
    Executor service that is in charge of processing unorderable rebalance messages.
  - exceptionRegistry
```
IgniteExceptionRegistry exceptionRegistry()
```
    Gets exception registry.
    
    Returns:
    
    Exception registry.
  - nodeAttribute
```
Object nodeAttribute(String key)
```
    Get node attribute by name.
    
    Parameters:
    
    key - Attribute name.
    
    Returns:
    
    Attribute value.
  - hasNodeAttribute
```
boolean hasNodeAttribute(String key)
```
    Check if node has specified attribute.
    
    Parameters:
    
    key - Attribute name.
    
    Returns:
    
    true If node has attribute with specified name.
  - addNodeAttribute
```
Object addNodeAttribute(String key,
                        Object val)
```
    Add attribute to node attributes.
    
    Parameters:
    
    key - Attribute name.
    
    val - Attribute value.
    
    Returns:
    
    Previous attribute value associated with attribute name.
  - nodeAttributes
```
Map<String,Object> nodeAttributes()
```
    Returns:
    
    Node attributes.
  - cluster
```
ClusterProcessor cluster()
```
    Gets Cluster processor.
    
    Returns:
    
    Cluster processor.
  - marshallerContext
```
MarshallerContextImpl marshallerContext()
```
    Gets marshaller context.
    
    Returns:
    
    Marshaller context.
  - clientNode
```
boolean clientNode()
```
    Returns:
    
    True if local node is client node (has flag IgniteConfiguration.isClientMode() set).
  - clientDisconnected
```
boolean clientDisconnected()
```
    Returns:
    
    True if local node in disconnected state.
  - platform
```
PlatformProcessor platform()
```
    Returns:
    
    Platform processor.
  - coordinators
```
MvccProcessor coordinators()
```
    Returns:
    
    Cache mvcc coordinator processor.
  - pdsFolderResolver
```
PdsFoldersResolver pdsFolderResolver()
```
    Returns:
    
    PDS mode folder name resolver, also generates consistent ID in case new folder naming is used
  - internalSubscriptionProcessor
```
GridInternalSubscriptionProcessor internalSubscriptionProcessor()
```
    Returns:
    
    subscription processor to manage internal-only (strict node-local) subscriptions between components.
  - uncaughtExceptionHandler
```
Thread.UncaughtExceptionHandler uncaughtExceptionHandler()
```
    Returns:
    
    Default uncaught exception handler used by thread pools.
  - compress
```
CompressionProcessor compress()
```
    Returns:
    
    Compression processor.
  - recoveryMode
```
boolean recoveryMode()
```
    Returns:
    
    True if node is in recovery mode (before join to topology).

Interface GridKernalContext

Method Summary

Methods inherited from interface java.lang.Iterable

Method Detail

components

localNodeId

igniteInstanceName

log

log

isStopping

gateway

grid

config

task

affinity

job

timeout

resource

jobMetric

metric

systemView

cache

state

distributedMetastorage

distributedConfiguration

session

closure

service

ports

schedule

rest

segmentation

dataStream

authentication

igfs

igfsHelper

continuous

hadoop

pools

mapping

hadoopHelper

utilityCachePool

asyncCallbackPool

cacheObjects

query

sqlListener

plugins

deploy

io

discovery

checkpoint

event

failover

collision

security

loadBalancing

indexing

encryption

workersRegistry

dataStructures

longJvmPauseDetector

diagnostic

invalid

segmented

failure

printMemoryStats

isDaemon

performance

userVersion

pluginProvider

createComponent

getExecutorService

getServiceExecutorService

getSystemExecutorService

getStripedExecutorService

getManagementExecutorService

getPeerClassLoadingExecutorService

getIgfsExecutorService

getDataStreamerExecutorService

getRestExecutorService