Overview (Ignite 2.3.0)

Common Grid APIs
Package	Description
org.apache.ignite	Contains entry-point Ignite & HPC APIs.
org.apache.ignite.cluster	Contains cluster-related classes.
org.apache.ignite.configuration	Contains configuration-related classes.
org.apache.ignite.lang	Contains general language constructs and functional APIs for distributed computations.
org.apache.ignite.lifecycle	Contains lifecycle-related classes.
org.apache.ignite.resources	Contains resource injection annotations.
org.apache.ignite.scheduler	Contains Job Scheduling functionality.
org.apache.ignite.spi	Contains common classes and interfaces for SPI implementations.
org.apache.ignite.thread	Contains threads-related utility classes.

Messaging APIs
Package	Description
org.apache.ignite.messaging	Contains Topic-based Messaging functionality.

Event Notification APIs
Package	Description
org.apache.ignite.events	Contains Event Subscription functionality together with various events emitted by Ignite.

Compute Grid APIs
Package	Description
org.apache.ignite.compute	Contains Compute Grid functionality.
org.apache.ignite.compute.gridify	Contains APIs utilized for AOP-based grid-enabling.
org.apache.ignite.compute.gridify.aop	Contains common classes for different AOP providers.

Data Grid APIs
Package	Description
org.apache.ignite.cache	Contains main Data Grid APIs.
org.apache.ignite.cache.affinity	Contains cache node affinity implementations.
org.apache.ignite.cache.affinity.rendezvous	Contains HRW-based cache affinity for partitioned cache.
org.apache.ignite.cache.eviction	Contains cache eviction policy implementations.
org.apache.ignite.cache.eviction.fifo	Contains cache FIFO eviction policy implementations.
org.apache.ignite.cache.eviction.igfs	Contains IGFS LRU eviction policy implementations.
org.apache.ignite.cache.eviction.lru	Contains cache LRU eviction policy implementations.
org.apache.ignite.cache.eviction.random	Contains cache randomized eviction policy implementations.
org.apache.ignite.cache.eviction.sorted	Contains cache sorted eviction policy implementation.
org.apache.ignite.cache.query	Contains APIs for creating and executing cache queries.
org.apache.ignite.cache.query.annotations	Contains query-related annotations.
org.apache.ignite.cache.store	Contains cache store interfaces.
org.apache.ignite.cache.store.jdbc	Contains reference JDBC-based cache store implementation.
org.apache.ignite.cache.store.jdbc.dialect	Contains SQL dialects for different RDBMS.
org.apache.ignite.transactions	Contains transaction-related classes.

Service Grid APIs
Package	Description
org.apache.ignite.services	Contains main Managed Services APIs.

File System APIs
Package	Description
org.apache.ignite.igfs	Contains IGnite File System APIs.
org.apache.ignite.igfs.mapreduce	Contains APIs for In-Memory MapReduce over IGFS.
org.apache.ignite.igfs.mapreduce.records	Contains record resolvers for In-Memory MapReduce over IGFS.
org.apache.ignite.igfs.secondary	Contains APIs for IGFS secondary file system base on local file system.
org.apache.ignite.igfs.secondary.local	Contains APIs for IGFS secondary file system.

Hadoop Accelerator APIs
Package	Description
org.apache.ignite.hadoop	Contains Hadoop Accelerator APIs.

Streaming APIs
Package	Description
org.apache.ignite.stream	Contains Ignite Streamer classes.
org.apache.ignite.stream.socket	Contains socket streamer implementation.

Security APIs
Package	Description
org.apache.ignite.plugin.security	Contains APIs for security, authentication, and authorization.
org.apache.ignite.ssl	Contains classes for working with SSL.

MXBeans classes
Package	Description
org.apache.ignite.mxbean	Contains annotations for Dynamic MBeans.

SPI: CheckPoint
Package	Description
org.apache.ignite.spi.checkpoint	Contains APIs for checkpoint SPI.
org.apache.ignite.spi.checkpoint.cache	Contains cache-based implementation for checkpoint SPI.
org.apache.ignite.spi.checkpoint.jdbc	Contains JDBC implementation for checkpoint SPI.
org.apache.ignite.spi.checkpoint.noop	Contains default no-op checkpoint SPI implementation.
org.apache.ignite.spi.checkpoint.sharedfs	Contains shared file system implementation for checkpoint SPI.

SPI: Collision
Package	Description
org.apache.ignite.spi.collision	Contains APIs for collision SPI.
org.apache.ignite.spi.collision.fifoqueue	Contains FIFO based collision SPI implementation.
org.apache.ignite.spi.collision.jobstealing	Contains job stealing collision SPI implementation.
org.apache.ignite.spi.collision.noop	Contains default no-op collision SPI implementation.
org.apache.ignite.spi.collision.priorityqueue	Contains priority based collision SPI implementation.

SPI: Indexing
Package	Description
org.apache.ignite.spi.indexing	Contains APIs for indexing SPI.
org.apache.ignite.spi.indexing.noop	Contains default no-op indexing SPI implementation.

SPI: Load Balancing
Package	Description
org.apache.ignite.spi.loadbalancing	Contains APIs for load balancing SPI.
org.apache.ignite.spi.loadbalancing.adaptive	Contains adaptive load balancing SPI.
org.apache.ignite.spi.loadbalancing.roundrobin	Contains default round-robin implementation for load balancing SPI.
org.apache.ignite.spi.loadbalancing.weightedrandom	Contains weighted random-base implementation for load balancing SPI.

SPI: Communication
Package	Description
org.apache.ignite.spi.communication	Contains APIs for grid communication SPI.
org.apache.ignite.spi.communication.tcp	Contains default TCP/IP-based implementation for communication SPI.

SPI: Deployment
Package	Description
org.apache.ignite.spi.deployment	Contains APIs for deployment SPI.
org.apache.ignite.spi.deployment.local	Contains default local deployment SPI implementation.

SPI: Discovery
Package	Description
org.apache.ignite.spi.discovery	Contains APIs for topology manager SPI.
org.apache.ignite.spi.discovery.tcp	Contains default TCP/IP implementation for discovery SPI.
org.apache.ignite.spi.discovery.tcp.internal	Contains internal implementation.
org.apache.ignite.spi.discovery.tcp.ipfinder	Contains IP finder interface and adapter.
org.apache.ignite.spi.discovery.tcp.ipfinder.jdbc	Contains JDBC IP finder implementation.
org.apache.ignite.spi.discovery.tcp.ipfinder.multicast	Contains multicast-based IP finder.
org.apache.ignite.spi.discovery.tcp.ipfinder.sharedfs	Contains shared filesystem-based IP finder.
org.apache.ignite.spi.discovery.tcp.ipfinder.vm	Contains local JVM-based IP finder.
org.apache.ignite.spi.discovery.tcp.messages	Contains implementation messages.

SPI: Failover
Package	Description
org.apache.ignite.spi.failover	Contains APIs for failover SPI.
org.apache.ignite.spi.failover.always	Contains default "always" failover SPI.
org.apache.ignite.spi.failover.jobstealing	Contains job stealing failover SPI.
org.apache.ignite.spi.failover.never	Contains "never" failover SPI.

SPI: Event Storage
Package	Description
org.apache.ignite.spi.eventstorage	Contains APIs for event storage SPI.
org.apache.ignite.spi.eventstorage.memory	Contains default in-memory implementation for event storage SPI.

Segmentation Detection
Package	Description
org.apache.ignite.plugin.segmentation	Contains segmentation "split-brain" related classes.

Ignite plugin API
Package	Description
org.apache.ignite.plugin	Contains plugins management API.
org.apache.ignite.plugin.extensions.communication	Contains extendable components for communication.
org.apache.ignite.plugin.platform	Contains platform plugins management API.

Logging
Package	Description
org.apache.ignite.logger	Contains logging functionality used throughout the system.
org.apache.ignite.logger.java	Contains Java logging implementation for logging.

Loaders
Package	Description
org.apache.ignite.startup	Contains Ignite runtime startup classes.
org.apache.ignite.startup.cmdline	Contains default command line startup.

Marshallers
Package	Description
org.apache.ignite.marshaller	Contains various supported marshallers.
org.apache.ignite.marshaller.jdk	Contains JDK `java.io` based marshaller.

Ignite Binary Objects API
Package	Description
org.apache.ignite.binary	Contains Ignite Binary Objects API classes.

Platforms
Package	Description
org.apache.ignite.platform	Contains platform-related classes.
org.apache.ignite.platform.cpp	Contains C++ platform-related classes.
org.apache.ignite.platform.dotnet	Contains .Net platform-related classes.

Other Packages
Package	Description
org.apache.ignite.internal	Contains main implementation.
org.apache.ignite.internal.binary	Contains binary APIs internal implementation.
org.apache.ignite.internal.binary.builder	Contains classes specific to binary builder API.
org.apache.ignite.internal.binary.streams	Contains binary APIs implementation for streams.
org.apache.ignite.internal.client
org.apache.ignite.internal.client.balancer
org.apache.ignite.internal.client.impl
org.apache.ignite.internal.client.impl.connection
org.apache.ignite.internal.client.marshaller
org.apache.ignite.internal.client.marshaller.jdk
org.apache.ignite.internal.client.marshaller.optimized
org.apache.ignite.internal.client.router
org.apache.ignite.internal.client.router.impl
org.apache.ignite.internal.client.ssl
org.apache.ignite.internal.client.util
org.apache.ignite.internal.cluster
org.apache.ignite.internal.commandline
org.apache.ignite.internal.compute
org.apache.ignite.internal.direct
org.apache.ignite.internal.direct.state
org.apache.ignite.internal.direct.stream
org.apache.ignite.internal.direct.stream.v1
org.apache.ignite.internal.direct.stream.v2
org.apache.ignite.internal.events
org.apache.ignite.internal.executor	Contains grid executor service implementation.
org.apache.ignite.internal.igfs.common	Contains IGFS classes that are common between client and server.
org.apache.ignite.internal.jdbc
org.apache.ignite.internal.jdbc.thin
org.apache.ignite.internal.jdbc2
org.apache.ignite.internal.logger.platform
org.apache.ignite.internal.managers	TODO.
org.apache.ignite.internal.managers.checkpoint	TODO.
org.apache.ignite.internal.managers.collision	TODO.
org.apache.ignite.internal.managers.communication	TODO.
org.apache.ignite.internal.managers.deployment	TODO.
org.apache.ignite.internal.managers.deployment.protocol.gg	Grid stream protocol implementation.
org.apache.ignite.internal.managers.discovery	TODO.
org.apache.ignite.internal.managers.eventstorage	TODO.
org.apache.ignite.internal.managers.failover	TODO.
org.apache.ignite.internal.managers.indexing	Indexing manager classes.
org.apache.ignite.internal.managers.loadbalancer	TODO.
org.apache.ignite.internal.marshaller.optimized	Contains Optimized marshaller.
org.apache.ignite.internal.mem
org.apache.ignite.internal.mem.file
org.apache.ignite.internal.mem.unsafe
org.apache.ignite.internal.mxbean	Contains internal mxbeans stuff.
org.apache.ignite.internal.pagemem
org.apache.ignite.internal.pagemem.impl
org.apache.ignite.internal.pagemem.store
org.apache.ignite.internal.pagemem.wal
org.apache.ignite.internal.pagemem.wal.record
org.apache.ignite.internal.pagemem.wal.record.delta
org.apache.ignite.internal.processors	TODO.
org.apache.ignite.internal.processors.affinity	Data affinity processor.
org.apache.ignite.internal.processors.cache
org.apache.ignite.internal.processors.cache.affinity
org.apache.ignite.internal.processors.cache.binary	Implementation of binary processor.
org.apache.ignite.internal.processors.cache.datastructures
org.apache.ignite.internal.processors.cache.distributed
org.apache.ignite.internal.processors.cache.distributed.dht
org.apache.ignite.internal.processors.cache.distributed.dht.atomic
org.apache.ignite.internal.processors.cache.distributed.dht.colocated
org.apache.ignite.internal.processors.cache.distributed.dht.preloader
org.apache.ignite.internal.processors.cache.distributed.near
org.apache.ignite.internal.processors.cache.dr
org.apache.ignite.internal.processors.cache.extras
org.apache.ignite.internal.processors.cache.jta
org.apache.ignite.internal.processors.cache.local
org.apache.ignite.internal.processors.cache.local.atomic
org.apache.ignite.internal.processors.cache.persistence
org.apache.ignite.internal.processors.cache.persistence.evict
org.apache.ignite.internal.processors.cache.persistence.file
org.apache.ignite.internal.processors.cache.persistence.filename
org.apache.ignite.internal.processors.cache.persistence.freelist
org.apache.ignite.internal.processors.cache.persistence.freelist.io
org.apache.ignite.internal.processors.cache.persistence.pagemem
org.apache.ignite.internal.processors.cache.persistence.partstate
org.apache.ignite.internal.processors.cache.persistence.snapshot
org.apache.ignite.internal.processors.cache.persistence.tree
org.apache.ignite.internal.processors.cache.persistence.tree.io
org.apache.ignite.internal.processors.cache.persistence.tree.reuse
org.apache.ignite.internal.processors.cache.persistence.tree.util
org.apache.ignite.internal.processors.cache.persistence.wal
org.apache.ignite.internal.processors.cache.persistence.wal.crc
org.apache.ignite.internal.processors.cache.persistence.wal.reader
org.apache.ignite.internal.processors.cache.persistence.wal.record
org.apache.ignite.internal.processors.cache.persistence.wal.serializer
org.apache.ignite.internal.processors.cache.persistence.wal.serializer.io
org.apache.ignite.internal.processors.cache.query
org.apache.ignite.internal.processors.cache.query.continuous
org.apache.ignite.internal.processors.cache.query.jdbc
org.apache.ignite.internal.processors.cache.ratemetrics
org.apache.ignite.internal.processors.cache.store
org.apache.ignite.internal.processors.cache.transactions
org.apache.ignite.internal.processors.cache.tree
org.apache.ignite.internal.processors.cache.version
org.apache.ignite.internal.processors.cacheobject	Cache object processor.
org.apache.ignite.internal.processors.closure	TODO.
org.apache.ignite.internal.processors.cluster
org.apache.ignite.internal.processors.continuous
org.apache.ignite.internal.processors.datastreamer	Data streamer processor.
org.apache.ignite.internal.processors.datastructures
org.apache.ignite.internal.processors.dr	Data center replication processor.
org.apache.ignite.internal.processors.hadoop	Contains Hadoop APIs.
org.apache.ignite.internal.processors.hadoop.counter
org.apache.ignite.internal.processors.hadoop.io
org.apache.ignite.internal.processors.hadoop.message
org.apache.ignite.internal.processors.hadoop.shuffle
org.apache.ignite.internal.processors.igfs	Contains high performance file system processor.
org.apache.ignite.internal.processors.igfs.client
org.apache.ignite.internal.processors.igfs.client.meta
org.apache.ignite.internal.processors.igfs.data
org.apache.ignite.internal.processors.igfs.meta
org.apache.ignite.internal.processors.igfs.secondary.local
org.apache.ignite.internal.processors.job	TODO.
org.apache.ignite.internal.processors.jobmetrics	TODO.
org.apache.ignite.internal.processors.marshaller
org.apache.ignite.internal.processors.nodevalidation
org.apache.ignite.internal.processors.odbc
org.apache.ignite.internal.processors.odbc.jdbc
org.apache.ignite.internal.processors.odbc.odbc
org.apache.ignite.internal.processors.odbc.odbc.escape
org.apache.ignite.internal.processors.offheap
org.apache.ignite.internal.processors.platform
org.apache.ignite.internal.processors.platform.binary
org.apache.ignite.internal.processors.platform.cache
org.apache.ignite.internal.processors.platform.cache.affinity
org.apache.ignite.internal.processors.platform.cache.expiry
org.apache.ignite.internal.processors.platform.cache.query
org.apache.ignite.internal.processors.platform.cache.store
org.apache.ignite.internal.processors.platform.callback
org.apache.ignite.internal.processors.platform.client
org.apache.ignite.internal.processors.platform.client.binary
org.apache.ignite.internal.processors.platform.client.cache
org.apache.ignite.internal.processors.platform.cluster
org.apache.ignite.internal.processors.platform.compute
org.apache.ignite.internal.processors.platform.cpp
org.apache.ignite.internal.processors.platform.datastreamer
org.apache.ignite.internal.processors.platform.datastructures
org.apache.ignite.internal.processors.platform.dotnet
org.apache.ignite.internal.processors.platform.entityframework
org.apache.ignite.internal.processors.platform.events
org.apache.ignite.internal.processors.platform.lifecycle
org.apache.ignite.internal.processors.platform.memory
org.apache.ignite.internal.processors.platform.message
org.apache.ignite.internal.processors.platform.messaging
org.apache.ignite.internal.processors.platform.plugin
org.apache.ignite.internal.processors.platform.plugin.cache
org.apache.ignite.internal.processors.platform.services
org.apache.ignite.internal.processors.platform.transactions
org.apache.ignite.internal.processors.platform.utils
org.apache.ignite.internal.processors.platform.websession
org.apache.ignite.internal.processors.plugin
org.apache.ignite.internal.processors.pool
org.apache.ignite.internal.processors.port	TODO.
org.apache.ignite.internal.processors.query
org.apache.ignite.internal.processors.query.h2.twostep.messages
org.apache.ignite.internal.processors.query.property
org.apache.ignite.internal.processors.query.schema
org.apache.ignite.internal.processors.query.schema.message
org.apache.ignite.internal.processors.query.schema.operation
org.apache.ignite.internal.processors.resource	TODO.
org.apache.ignite.internal.processors.rest	REST processor.
org.apache.ignite.internal.processors.rest.client.message	Defines messages that are used in binary TCP communication between Ignite clients and nodes.
org.apache.ignite.internal.processors.rest.handlers	REST commands handlers.
org.apache.ignite.internal.processors.rest.handlers.cache	REST in-memory data grid commands.
org.apache.ignite.internal.processors.rest.handlers.cluster
org.apache.ignite.internal.processors.rest.handlers.datastructures
org.apache.ignite.internal.processors.rest.handlers.log
org.apache.ignite.internal.processors.rest.handlers.query
org.apache.ignite.internal.processors.rest.handlers.redis	Contains Redis protocol commands.
org.apache.ignite.internal.processors.rest.handlers.redis.exception
org.apache.ignite.internal.processors.rest.handlers.redis.key
org.apache.ignite.internal.processors.rest.handlers.redis.server
org.apache.ignite.internal.processors.rest.handlers.redis.string
org.apache.ignite.internal.processors.rest.handlers.task
org.apache.ignite.internal.processors.rest.handlers.top	REST topology commands.
org.apache.ignite.internal.processors.rest.handlers.version	REST version command.
org.apache.ignite.internal.processors.rest.protocols	REST protocol handlers.
org.apache.ignite.internal.processors.rest.protocols.tcp	Adapters for TCP-based REST protocols.
org.apache.ignite.internal.processors.rest.protocols.tcp.redis
org.apache.ignite.internal.processors.rest.request	REST requests.
org.apache.ignite.internal.processors.schedule	TODO.
org.apache.ignite.internal.processors.security
org.apache.ignite.internal.processors.security.os
org.apache.ignite.internal.processors.segmentation	Segmentation processor.
org.apache.ignite.internal.processors.segmentation.os
org.apache.ignite.internal.processors.service
org.apache.ignite.internal.processors.session	Session processing package to guarantee reuse of same session object on the same node.
org.apache.ignite.internal.processors.task	TODO.
org.apache.ignite.internal.processors.timeout	TODO.
org.apache.ignite.internal.suggestions	Contains classes for configurations suggestions.
org.apache.ignite.internal.tck
org.apache.ignite.internal.transactions
org.apache.ignite.internal.util	System-wide utility routine and helper classes.
org.apache.ignite.internal.util.future	Future related classes.
org.apache.ignite.internal.util.gridify	Utility classes for gridify annotations.
org.apache.ignite.internal.util.io
org.apache.ignite.internal.util.ipc	IPC utility classes.
org.apache.ignite.internal.util.ipc.loopback	Loopback IPC utility classes.
org.apache.ignite.internal.util.ipc.shmem	Shared memory IPC utility classes.
org.apache.ignite.internal.util.lang
org.apache.ignite.internal.util.lang.gridfunc	Contains utilities classes for `GridFunc`.
org.apache.ignite.internal.util.nio	NIO server interfaces and common utility classes for NIO.
org.apache.ignite.internal.util.nio.ssl	Implementation of Secure Socket Layer filter for NIO server based on SSLEngine class.
org.apache.ignite.internal.util.nodestart
org.apache.ignite.internal.util.offheap
org.apache.ignite.internal.util.offheap.unsafe
org.apache.ignite.internal.util.portscanner	Contains utility port scanner.
org.apache.ignite.internal.util.scala	Scala supporting classes.
org.apache.ignite.internal.util.snaptree	Snaptree and related classes.
org.apache.ignite.internal.util.spring
org.apache.ignite.internal.util.test	Contains common utility classes for JUnit integration.
org.apache.ignite.internal.util.tostring	Common utility classes for threads.
org.apache.ignite.internal.util.typedef	Contains typedefs definitions for frequently used classes.
org.apache.ignite.internal.util.typedef.internal	Contains internal typedefs.
org.apache.ignite.internal.util.worker	Common utility classes for threads.
org.apache.ignite.internal.visor
org.apache.ignite.internal.visor.binary
org.apache.ignite.internal.visor.cache
org.apache.ignite.internal.visor.compute
org.apache.ignite.internal.visor.debug
org.apache.ignite.internal.visor.event
org.apache.ignite.internal.visor.file
org.apache.ignite.internal.visor.igfs
org.apache.ignite.internal.visor.log
org.apache.ignite.internal.visor.misc
org.apache.ignite.internal.visor.node
org.apache.ignite.internal.visor.query
org.apache.ignite.internal.visor.service
org.apache.ignite.internal.visor.util
org.apache.ignite.internal.websession
org.apache.ignite.util
org.jsr166	Package contains classes that from JSR166.