# Uses of Package
org.apache.solr.handler.dataimport

- Packages that use org.apache.solr.handler.dataimport
  Package | Description
  --- | ---
  org.apache.solr.handler.dataimport | `DataImportHandler` and related code.
  org.apache.solr.handler.dataimport.config | Utility classes for parsing & modeling DIH configuration.

- Classes in org.apache.solr.handler.dataimport used by org.apache.solr.handler.dataimport
  Class and Description
  Context This abstract class gives access to all available objects.
  ContextImpl An implementation for the Context
  DataImporter Stores all configuration information for pulling and indexing data.
  DataImporter.Status
  DataImportHandlerException Exception class for all DataImportHandler exceptions
  DataSource Provides data from a source with a given query.
  DebugInfo
  DIHCache A cache that allows a DIH entity's data to persist locally prior being joined to other data and/or indexed.
  DIHCacheSupport
  DIHLogLevels
  DIHProperties Implementations write out properties about the last data import for use by the next import.
  DIHWriter
  DIHWriterBase
  DocBuilder `DocBuilder` is responsible for creating Solr documents out of the given configuration.
  DocBuilder.Statistics
  EntityProcessor An instance of entity processor serves an entity.
  EntityProcessorBase Base class for all implementations of `EntityProcessor`
  EntityProcessorWrapper A Wrapper over `EntityProcessor` instance which performs transforms and handles multi-row outputs correctly.
  Evaluator Pluggable functions for resolving variables
  Evaluator.VariableWrapper
  JdbcDataSource.ResultSetIterator
  RequestInfo
  SimplePropertiesWriter Writes properties using `Properties.store(java.io.Writer, java.lang.String)` .
  Transformer Use this API to implement a custom transformer for any given entity
  VariableResolver A set of nested maps that can resolve variables by namespaces.
  XPathRecordReader A streaming xpath parser which uses StAX for XML parsing.
  XPathRecordReader.Handler Implement this interface to stream records as and when one is found.

- Classes in org.apache.solr.handler.dataimport used by org.apache.solr.handler.dataimport.config
  Class and Description
  DataImporter Stores all configuration information for pulling and indexing data.

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