Contains implementation classes for Apache Ignite.
All internal Ignite components implements GridComponent.java - interface for
Service Provider Interface (SPI) abbreviation is here because Apache Ignite was designed as a pluggable product. But Ignite users usually do not define own implementations.
Ignite manages its components using Context used to access components and binding theirs to each other. Component-related context in the Apache Ignite is an implementation of GridKernalContext.java. This context instance is usually referred in code as kctx or ctx.
Higher-level context, cache shared context is also defined in processors/cache