org.apache.ignite.internal.processors.cache

Class GridCacheProcessor

java.lang.Object

org.apache.ignite.internal.processors.GridProcessorAdapter

org.apache.ignite.internal.processors.cache.GridCacheProcessor

All Implemented Interfaces:

GridComponent, GridProcessor

public class GridCacheProcessor
extends GridProcessorAdapter

Cache processor.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.ignite.internal.GridComponent

GridComponent.DiscoveryDataExchangeType

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.GridProcessorAdapter

ctx, diagnosticLog, log

Constructor Summary

Constructors

Constructor and Description
GridCacheProcessor(GridKernalContext ctx)

Method Summary

Methods

Modifier and Type	Method and Description
void	addCacheConfiguration(CacheConfiguration cacheCfg)
void	awaitStarted()
void	blockGateways() Blocks all available gateways
<K,V> IgniteInternalCache<K,V>	cache(String name)
CacheConfiguration	cacheConfiguration(String name) Get configuration for the given cache.
DynamicCacheDescriptor	cacheDescriptor(int cacheId)
DynamicCacheDescriptor	cacheDescriptor(String name) Get registered cache descriptor.
Map<String,DynamicCacheDescriptor>	cacheDescriptors()
CacheGroupContext	cacheGroup(int grpId)
Map<Integer,CacheGroupDescriptor>	cacheGroupDescriptors()
Collection<CacheGroupContext>	cacheGroups()
CacheMode	cacheMode(String cacheName) Gets cache mode.
Collection<String>	cacheNames() Gets a collection of currently started caches.
Collection<IgniteInternalCache<?,?>>	caches()
List<T2<DynamicCacheDescriptor,NearCacheConfiguration>>	cachesToStartOnLocalJoin()
CacheType	cacheType(String cacheName)
<T> T	clone(T obj)
void	collectGridNodeData(DiscoveryDataBag dataBag) Collects discovery data on nodes already in grid on receiving TcpDiscoveryNodeAddedMessage.
void	collectJoiningNodeData(DiscoveryDataBag dataBag) Collects discovery data on joining node before sending TcpDiscoveryJoinRequestMessage request.
<K,V> GridCacheSharedContext<K,V>	context()
IgniteInternalFuture<?>	createFromTemplate(String cacheName) Dynamically starts cache using template configuration.
void	createMissingQueryCaches() Starts client caches that do not exist yet.
GridComponent.DiscoveryDataExchangeType	discoveryDataType() Gets unique component type to distinguish components providing discovery data.
IgniteInternalFuture<Boolean>	dynamicDestroyCache(String cacheName, boolean sql, boolean checkThreadTx, boolean restart)
IgniteInternalFuture<?>	dynamicDestroyCaches(Collection<String> cacheNames, boolean checkThreadTx, boolean restart)
IgniteInternalFuture<?>	dynamicDestroyCaches(Collection<String> cacheNames, boolean checkThreadTx, boolean restart, boolean destroy)
IgniteInternalFuture<Boolean>	dynamicStartCache(CacheConfiguration ccfg, String cacheName, NearCacheConfiguration nearCfg, boolean failIfExists, boolean failIfNotStarted, boolean checkThreadTx) Dynamically starts cache.
IgniteInternalFuture<Boolean>	dynamicStartCache(CacheConfiguration ccfg, String cacheName, NearCacheConfiguration nearCfg, CacheType cacheType, boolean sql, boolean failIfExists, boolean failIfNotStarted, boolean checkThreadTx) Dynamically starts cache.
IgniteInternalFuture<?>	dynamicStartCaches(Collection<CacheConfiguration> ccfgList, boolean failIfExists, boolean checkThreadTx) Dynamically starts multiple caches.
IgniteInternalFuture<Boolean>	dynamicStartSqlCache(CacheConfiguration ccfg) Dynamically starts cache as a result of SQL CREATE TABLE command.
CachePartitionExchangeWorkerTask	exchangeTaskForCustomDiscoveryMessage(DiscoveryCustomMessage msg) Create exchange worker task for custom discovery message.
CacheConfiguration	getConfigFromTemplate(String cacheName)
IgniteInternalFuture<?>	getOrCreateFromTemplate(String cacheName, boolean checkThreadTx) Dynamically starts cache using template configuration.
<K,V> IgniteInternalCache<K,V>	getOrStartCache(String name)
<K,V> IgniteInternalCache<K,V>	getOrStartCache(String name, CacheConfiguration ccfg)
IgniteCacheProxy<?,?>	getOrStartPublicCache(boolean start, boolean inclLoc) Gets public cache that can be used for query execution.
<K,V> GridCacheAdapter<K,V>	internalCache(String name)
Collection<GridCacheAdapter<?,?>>	internalCaches()
<K,V> IgniteCacheProxy<K,V>	jcache(String name)
IgniteCacheProxy	jcacheProxy(String name)
Collection<IgniteCacheProxy<?,?>>	jcaches()
long	lastDataVersion()
boolean	onCustomEvent(DiscoveryCustomMessage msg, AffinityTopologyVersion topVer, ClusterNode node) Callback invoked from discovery thread when discovery custom message is received.
void	onDisconnected(IgniteFuture<?> reconnectFut) Client disconnected callback.
void	onDiscoveryEvent(int type, DiscoveryCustomMessage customMsg, ClusterNode node, AffinityTopologyVersion topVer, DiscoveryDataClusterState state)
void	onExchangeDone(AffinityTopologyVersion topVer, ExchangeActions exchActions, Throwable err) Callback invoked when first exchange future for dynamic cache is completed.
void	onGridDataReceived(DiscoveryDataBag.GridDiscoveryData data) Receives discovery data object from remote nodes (called on new node during discovery process).
void	onJoiningNodeDataReceived(DiscoveryDataBag.JoiningNodeDiscoveryData data) Method is called on nodes that are already in grid (not on joining node).
void	onKernalStart(boolean active) Callback that notifies that kernal has successfully started, including all managers and processors.
void	onKernalStop(boolean cancel) Callback to notify that kernal is about to stop.
void	onKernalStopCaches(boolean cancel)
IgniteInternalFuture<?>	onReconnected(boolean clusterRestarted) Client reconnected callback.
void	onStateChangeFinish(ChangeGlobalStateFinishMessage msg)
ExchangeActions	onStateChangeRequest(ChangeGlobalStateMessage msg, AffinityTopologyVersion topVer)
void	onUndeployed(ClassLoader ldr) Callback invoked by deployment manager for whenever a class loader gets undeployed.
void	printMemoryStats() Prints memory statistics (sizes of internal structures, etc.).
<K,V> IgniteInternalCache<K,V>	publicCache(String name)
Collection<String>	publicCacheNames() Gets a collection of currently started public cache names.
Collection<IgniteCacheProxy<?,?>>	publicCaches()
<K,V> IgniteCacheProxy<K,V>	publicJCache(String cacheName)
<K,V> IgniteCacheProxy<K,V>	publicJCache(String cacheName, boolean failIfNotStarted, boolean checkThreadTx)
IgniteInternalFuture<?>	resetCacheState(Collection<String> cacheNames) Resets cache state after the cache has been moved to recovery state.
void	resetRestartingCaches() Reset restarting caches.
void	start() Starts grid component.
void	startCachesOnLocalJoin(List<T2<DynamicCacheDescriptor,NearCacheConfiguration>> caches, AffinityTopologyVersion exchTopVer)
Collection<DynamicCacheDescriptor>	startReceivedCaches(UUID nodeId, AffinityTopologyVersion exchTopVer) Starts statically configured caches received from remote nodes during exchange.
void	stop(boolean cancel) Stops grid component.
void	stopCaches(boolean cancel)
boolean	systemCache(String name)
IgniteTransactionsEx	transactions()
<K,V> IgniteInternalCache<K,V>	utilityCache() Gets utility cache.
IgniteNodeValidationResult	validateNode(ClusterNode node) Validates that new node can join grid topology, this method is called on coordinator node before new node joins topology.

Methods inherited from class org.apache.ignite.internal.processors.GridProcessorAdapter

assertParameter, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

GridCacheProcessor

public GridCacheProcessor(GridKernalContext ctx)

Parameters:

ctx - Kernal context.

Method Detail

exchangeTaskForCustomDiscoveryMessage

public CachePartitionExchangeWorkerTask exchangeTaskForCustomDiscoveryMessage(DiscoveryCustomMessage msg)

Create exchange worker task for custom discovery message.

Parameters:

msg - Custom discovery message.

Returns:

Task or null if message doesn't require any special processing.

start

public void start()
           throws IgniteCheckedException

Starts grid component.

Specified by:

start in interface GridComponent

Overrides:

start in class GridProcessorAdapter

Throws:

IgniteCheckedException - Throws in case of any errors.

cacheGroup

@Nullable
public CacheGroupContext cacheGroup(int grpId)

Parameters:

grpId - Group ID.

Returns:

Cache group.

cacheGroups

public Collection<CacheGroupContext> cacheGroups()

Returns:

Cache groups.

onKernalStart

public void onKernalStart(boolean active)
                   throws IgniteCheckedException

Callback that notifies that kernal has successfully started, including all managers and processors.

Specified by:

onKernalStart in interface GridComponent

Overrides:

onKernalStart in class GridProcessorAdapter

Parameters:

active - Cluster active flag (note: should be used carefully since state can change concurrently).

Throws:

IgniteCheckedException - Thrown in case of any errors.

stop

public void stop(boolean cancel)
          throws IgniteCheckedException

Stops grid component.

Specified by:

stop in interface GridComponent

Overrides:

stop in class GridProcessorAdapter

Parameters:

cancel - If true, then all ongoing tasks or jobs for relevant components need to be cancelled.

Throws:

IgniteCheckedException - Thrown in case of any errors.

stopCaches

public void stopCaches(boolean cancel)

Parameters:

cancel - Cancel.

blockGateways

public void blockGateways()

Blocks all available gateways

onKernalStop

public void onKernalStop(boolean cancel)

Callback to notify that kernal is about to stop.

Specified by:

onKernalStop in interface GridComponent

Overrides:

onKernalStop in class GridProcessorAdapter

Parameters:

cancel - Flag indicating whether jobs should be canceled.

onKernalStopCaches

public void onKernalStopCaches(boolean cancel)

Parameters:

cancel - Cancel.

onDisconnected

public void onDisconnected(IgniteFuture<?> reconnectFut)
                    throws IgniteCheckedException

Client disconnected callback.

Specified by:

onDisconnected in interface GridComponent

Overrides:

onDisconnected in class GridProcessorAdapter

Parameters:

reconnectFut - Reconnect future.

Throws:

IgniteCheckedException - If failed.

onReconnected

public IgniteInternalFuture<?> onReconnected(boolean clusterRestarted)
                                      throws IgniteCheckedException

Client reconnected callback.

Specified by:

onReconnected in interface GridComponent

Overrides:

onReconnected in class GridProcessorAdapter

Parameters:

clusterRestarted - Cluster restarted flag.

Returns:

Future to wait before completing reconnect future.

Throws:

IgniteCheckedException - If failed.

awaitStarted

public void awaitStarted()
                  throws IgniteCheckedException

Throws:

IgniteCheckedException - If failed to wait.

cacheNames

public Collection<String> cacheNames()

Gets a collection of currently started caches.

Returns:

Collection of started cache names.

getOrStartPublicCache

public IgniteCacheProxy<?,?> getOrStartPublicCache(boolean start,
                                          boolean inclLoc)
                                            throws IgniteCheckedException

Gets public cache that can be used for query execution. If cache isn't created on current node it will be started.

Parameters:

start - Start cache.

inclLoc - Include local caches.

Returns:

Cache or null if there is no suitable cache.

Throws:

IgniteCheckedException

publicCacheNames

public Collection<String> publicCacheNames()

Gets a collection of currently started public cache names.

Returns:

Collection of currently started public cache names

cacheMode

public CacheMode cacheMode(String cacheName)

Gets cache mode.

Parameters:

cacheName - Cache name to check.

Returns:

Cache mode.

cachesToStartOnLocalJoin

public List<T2<DynamicCacheDescriptor,NearCacheConfiguration>> cachesToStartOnLocalJoin()

Returns:

Caches to be started when this node starts.

startCachesOnLocalJoin

public void startCachesOnLocalJoin(List<T2<DynamicCacheDescriptor,NearCacheConfiguration>> caches,
                          AffinityTopologyVersion exchTopVer)
                            throws IgniteCheckedException

Parameters:

caches - Caches to start.

exchTopVer - Current exchange version.

Throws:

IgniteCheckedException - If failed.

startReceivedCaches

public Collection<DynamicCacheDescriptor> startReceivedCaches(UUID nodeId,
                                                     AffinityTopologyVersion exchTopVer)
                                                       throws IgniteCheckedException

Starts statically configured caches received from remote nodes during exchange.

Parameters:

nodeId - Joining node ID.

exchTopVer - Current exchange version.

Returns:

Started caches descriptors.

Throws:

IgniteCheckedException - If failed.

onExchangeDone

public void onExchangeDone(AffinityTopologyVersion topVer,
                  @Nullable
                  ExchangeActions exchActions,
                  @Nullable
                  Throwable err)

Callback invoked when first exchange future for dynamic cache is completed.

Parameters:

topVer - Completed topology version.

exchActions - Change requests.

err - Error.

discoveryDataType

@Nullable
public GridComponent.DiscoveryDataExchangeType discoveryDataType()

Gets unique component type to distinguish components providing discovery data. Must return non-null value if component implements any of methods GridComponent.collectJoiningNodeData(DiscoveryDataBag) or GridComponent.collectGridNodeData(DiscoveryDataBag).

Specified by:

discoveryDataType in interface GridComponent

Overrides:

discoveryDataType in class GridProcessorAdapter

Returns:

Unique component type for discovery data exchange.

collectJoiningNodeData

public void collectJoiningNodeData(DiscoveryDataBag dataBag)

Collects discovery data on joining node before sending TcpDiscoveryJoinRequestMessage request.

Specified by:

collectJoiningNodeData in interface GridComponent

Overrides:

collectJoiningNodeData in class GridProcessorAdapter

Parameters:

dataBag - container object to store discovery data in.

collectGridNodeData

public void collectGridNodeData(DiscoveryDataBag dataBag)

Collects discovery data on nodes already in grid on receiving TcpDiscoveryNodeAddedMessage.

Specified by:

collectGridNodeData in interface GridComponent

Overrides:

collectGridNodeData in class GridProcessorAdapter

Parameters:

dataBag - container object to store discovery data in.

onJoiningNodeDataReceived

public void onJoiningNodeDataReceived(DiscoveryDataBag.JoiningNodeDiscoveryData data)

Method is called on nodes that are already in grid (not on joining node). It receives discovery data from joining node.

Specified by:

onJoiningNodeDataReceived in interface GridComponent

Overrides:

onJoiningNodeDataReceived in class GridProcessorAdapter

Parameters:

data - DiscoveryDataBag.JoiningNodeDiscoveryData interface to retrieve discovery data of joining node.

onGridDataReceived

public void onGridDataReceived(DiscoveryDataBag.GridDiscoveryData data)

Receives discovery data object from remote nodes (called on new node during discovery process).

Specified by:

onGridDataReceived in interface GridComponent

Overrides:

onGridDataReceived in class GridProcessorAdapter

Parameters:

data - DiscoveryDataBag.GridDiscoveryData interface to retrieve discovery data collected on remote nodes (data common for all nodes in grid and specific for each node).

onStateChangeFinish

public void onStateChangeFinish(ChangeGlobalStateFinishMessage msg)

Parameters:

msg - Message.

onStateChangeRequest

public ExchangeActions onStateChangeRequest(ChangeGlobalStateMessage msg,
                                   AffinityTopologyVersion topVer)
                                     throws IgniteCheckedException

Parameters:

msg - Message.

topVer - Current topology version.

Returns:

Exchange actions.

Throws:

IgniteCheckedException - If configuration validation failed.

createFromTemplate

public IgniteInternalFuture<?> createFromTemplate(String cacheName)

Dynamically starts cache using template configuration.

Parameters:

cacheName - Cache name.

Returns:

Future that will be completed when cache is deployed.

getOrCreateFromTemplate

public IgniteInternalFuture<?> getOrCreateFromTemplate(String cacheName,
                                              boolean checkThreadTx)

Dynamically starts cache using template configuration.

Parameters:

cacheName - Cache name.

checkThreadTx - If true checks that current thread does not have active transactions.

Returns:

Future that will be completed when cache is deployed.

getConfigFromTemplate

public CacheConfiguration getConfigFromTemplate(String cacheName)
                                         throws IgniteCheckedException

Parameters:

cacheName - Cache name.

Returns:

Cache configuration, or null if no template with matching name found.

Throws:

IgniteCheckedException - If failed.

dynamicStartCache

public IgniteInternalFuture<Boolean> dynamicStartCache(@Nullable
                                              CacheConfiguration ccfg,
                                              String cacheName,
                                              @Nullable
                                              NearCacheConfiguration nearCfg,
                                              boolean failIfExists,
                                              boolean failIfNotStarted,
                                              boolean checkThreadTx)

Dynamically starts cache.

Parameters:

ccfg - Cache configuration.

cacheName - Cache name.

nearCfg - Near cache configuration.

failIfExists - Fail if exists flag.

failIfNotStarted - If true fails if cache is not started.

checkThreadTx - If true checks that current thread does not have active transactions.

Returns:

Future that will be completed when cache is deployed.

dynamicStartSqlCache

public IgniteInternalFuture<Boolean> dynamicStartSqlCache(CacheConfiguration ccfg)

Dynamically starts cache as a result of SQL CREATE TABLE command.

Parameters:

ccfg - Cache configuration.

dynamicStartCache

public IgniteInternalFuture<Boolean> dynamicStartCache(@Nullable
                                              CacheConfiguration ccfg,
                                              String cacheName,
                                              @Nullable
                                              NearCacheConfiguration nearCfg,
                                              CacheType cacheType,
                                              boolean sql,
                                              boolean failIfExists,
                                              boolean failIfNotStarted,
                                              boolean checkThreadTx)

Dynamically starts cache.

Parameters:

ccfg - Cache configuration.

cacheName - Cache name.

nearCfg - Near cache configuration.

cacheType - Cache type.

sql - If the cache needs to be created as the result of SQL CREATE TABLE command.

failIfExists - Fail if exists flag.

failIfNotStarted - If true fails if cache is not started.

checkThreadTx - If true checks that current thread does not have active transactions.

Returns:

Future that will be completed when cache is deployed.

dynamicStartCaches

public IgniteInternalFuture<?> dynamicStartCaches(Collection<CacheConfiguration> ccfgList,
                                         boolean failIfExists,
                                         boolean checkThreadTx)

Dynamically starts multiple caches.

Parameters:

ccfgList - Collection of cache configuration.

failIfExists - Fail if exists flag.

checkThreadTx - If true checks that current thread does not have active transactions.

Returns:

Future that will be completed when all caches are deployed.

dynamicDestroyCache

public IgniteInternalFuture<Boolean> dynamicDestroyCache(String cacheName,
                                                boolean sql,
                                                boolean checkThreadTx,
                                                boolean restart)

Parameters:

cacheName - Cache name to destroy.

sql - If the cache needs to be destroyed only if it was created as the result of SQL CREATE TABLE command.

checkThreadTx - If true checks that current thread does not have active transactions.

Returns:

Future that will be completed when cache is destroyed.

dynamicDestroyCaches

public IgniteInternalFuture<?> dynamicDestroyCaches(Collection<String> cacheNames,
                                           boolean checkThreadTx,
                                           boolean restart)

Parameters:

cacheNames - Collection of cache names to destroy.

checkThreadTx - If true checks that current thread does not have active transactions.

Returns:

Future that will be completed when cache is destroyed.

dynamicDestroyCaches

public IgniteInternalFuture<?> dynamicDestroyCaches(Collection<String> cacheNames,
                                           boolean checkThreadTx,
                                           boolean restart,
                                           boolean destroy)

Parameters:

cacheNames - Collection of cache names to destroy.

checkThreadTx - If true checks that current thread does not have active transactions.

Returns:

Future that will be completed when cache is destroyed.

resetCacheState

public IgniteInternalFuture<?> resetCacheState(Collection<String> cacheNames)

Resets cache state after the cache has been moved to recovery state.

Parameters:

cacheNames - Cache names.

Returns:

Future that will be completed when state is changed for all caches.

cacheType

public CacheType cacheType(String cacheName)

onDiscoveryEvent

public void onDiscoveryEvent(int type,
                    @Nullable
                    DiscoveryCustomMessage customMsg,
                    ClusterNode node,
                    AffinityTopologyVersion topVer,
                    DiscoveryDataClusterState state)

Parameters:

type - Event type.

customMsg - Custom message instance.

node - Event node.

topVer - Topology version.

state - Cluster state.

onCustomEvent

public boolean onCustomEvent(DiscoveryCustomMessage msg,
                    AffinityTopologyVersion topVer,
                    ClusterNode node)

Callback invoked from discovery thread when discovery custom message is received.

Parameters:

msg - Customer message.

topVer - Current topology version.

node - Node sent message.

Returns:

True if minor topology version should be increased.

validateNode

@Nullable
public IgniteNodeValidationResult validateNode(ClusterNode node)

Validates that new node can join grid topology, this method is called on coordinator node before new node joins topology.

Specified by:

validateNode in interface GridComponent

Overrides:

validateNode in class GridProcessorAdapter

Parameters:

node - Joining node.

Returns:

Validation result or null in case of success.

resetRestartingCaches

public void resetRestartingCaches()

Reset restarting caches.

lastDataVersion

public long lastDataVersion()

Returns:

Last data version.

cache

public <K,V> IgniteInternalCache<K,V> cache(String name)

Type Parameters:

K - type of keys.

V - type of values.

Parameters:

name - Cache name.

Returns:

Cache instance for given name.

getOrStartCache

public <K,V> IgniteInternalCache<K,V> getOrStartCache(String name)
                                         throws IgniteCheckedException

Parameters:

name - Cache name.

Returns:

Cache instance for given name.

Throws:

IgniteCheckedException - If failed.

getOrStartCache

public <K,V> IgniteInternalCache<K,V> getOrStartCache(String name,
                                             CacheConfiguration ccfg)
                                         throws IgniteCheckedException

Parameters:

name - Cache name.

Returns:

Cache instance for given name.

Throws:

IgniteCheckedException - If failed.

caches

public Collection<IgniteInternalCache<?,?>> caches()

Returns:

All configured cache instances.

jcaches

public Collection<IgniteCacheProxy<?,?>> jcaches()

Returns:

All configured cache instances.

utilityCache

public <K,V> IgniteInternalCache<K,V> utilityCache()

Gets utility cache.

Returns:

Utility cache.

publicCache

public <K,V> IgniteInternalCache<K,V> publicCache(String name)

Type Parameters:

K - type of keys.

V - type of values.

Parameters:

name - Cache name.

Returns:

Cache instance for given name.

publicJCache

public <K,V> IgniteCacheProxy<K,V> publicJCache(String cacheName)
                                   throws IgniteCheckedException

Type Parameters:

K - type of keys.

V - type of values.

Parameters:

cacheName - Cache name.

Returns:

Cache instance for given name.

Throws:

IgniteCheckedException - If failed.

publicJCache

@Nullable
public <K,V> IgniteCacheProxy<K,V> publicJCache(String cacheName,
                                                boolean failIfNotStarted,
                                                boolean checkThreadTx)
                                   throws IgniteCheckedException

Parameters:

cacheName - Cache name.

failIfNotStarted - If true throws IllegalArgumentException if cache is not started, otherwise returns null in this case.

checkThreadTx - If true checks that current thread does not have active transactions.

Returns:

Cache instance for given name.

Throws:

IgniteCheckedException - If failed.

cacheConfiguration

public CacheConfiguration cacheConfiguration(String name)

Get configuration for the given cache.

Parameters:

name - Cache name.

Returns:

Cache configuration.

cacheDescriptor

public DynamicCacheDescriptor cacheDescriptor(String name)

Get registered cache descriptor.

Parameters:

name - Name.

Returns:

Descriptor.

cacheDescriptors

public Map<String,DynamicCacheDescriptor> cacheDescriptors()

Returns:

Cache descriptors.

cacheGroupDescriptors

public Map<Integer,CacheGroupDescriptor> cacheGroupDescriptors()

Returns:

Cache group descriptors.

cacheDescriptor

@Nullable
public DynamicCacheDescriptor cacheDescriptor(int cacheId)

Parameters:

cacheId - Cache ID.

Returns:

Cache descriptor.

addCacheConfiguration

public void addCacheConfiguration(CacheConfiguration cacheCfg)
                           throws IgniteCheckedException

Parameters:

cacheCfg - Cache configuration template.

Throws:

IgniteCheckedException - If failed.

jcache

public <K,V> IgniteCacheProxy<K,V> jcache(String name)

Parameters:

name - Cache name.

Returns:

Cache instance for given name.

jcacheProxy

@Nullable
public IgniteCacheProxy jcacheProxy(String name)

Parameters:

name - Cache name.

Returns:

Cache proxy.

publicCaches

public Collection<IgniteCacheProxy<?,?>> publicCaches()

Returns:

All configured public cache instances.

internalCache

public <K,V> GridCacheAdapter<K,V> internalCache(String name)

Type Parameters:

K - type of keys.

V - type of values.

Parameters:

name - Cache name.

Returns:

Cache instance for given name.

internalCaches

public Collection<GridCacheAdapter<?,?>> internalCaches()

Returns:

All internal cache instances.

systemCache

public boolean systemCache(String name)

Parameters:

name - Cache name.

Returns:

True if specified cache is system, false otherwise.

printMemoryStats

public void printMemoryStats()

Prints memory statistics (sizes of internal structures, etc.). NOTE: this method is for testing and profiling purposes only.

Specified by:

printMemoryStats in interface GridComponent

Overrides:

printMemoryStats in class GridProcessorAdapter

onUndeployed

public void onUndeployed(ClassLoader ldr)

Callback invoked by deployment manager for whenever a class loader gets undeployed.

Parameters:

ldr - Class loader.

context

public <K,V> GridCacheSharedContext<K,V> context()

Returns:

Shared context.

transactions

public IgniteTransactionsEx transactions()

Returns:

Transactions interface implementation.

createMissingQueryCaches

public void createMissingQueryCaches()
                              throws IgniteCheckedException

Starts client caches that do not exist yet.

Throws:

IgniteCheckedException - In case of error.

clone

public <T> T clone(T obj)
        throws IgniteCheckedException

Parameters:

obj - Object to clone.

Returns:

Object copy.

Throws:

IgniteCheckedException - If failed.