## Uses of Interface
org.apache.solr.common.MapWriter

Packages that use MapWriter
org.apache.solr.client.solrj.io: Streaming Aggregation API
org.apache.solr.client.solrj.io.graph: Streaming Graph Traversals
org.apache.solr.client.solrj.io.stream: Stream implementations for the Streaming Aggregation API
org.apache.solr.common: Common classes reused on both clients & server for dealing with `documents to be indexed` and `result documents`.
org.apache.solr.common.util: Common utility classes reused on both clients & server.

### Uses of MapWriter in org.apache.solr.client.solrj.io

Classes in org.apache.solr.client.solrj.io that implement MapWriter
`class` `Tuple` A simple abstraction of a record containing key/value pairs.

### Uses of MapWriter in org.apache.solr.client.solrj.io.graph

Classes in org.apache.solr.client.solrj.io.graph that implement MapWriter
`class` `GatherNodesStream`
`class` `ShortestPathStream`

### Uses of MapWriter in org.apache.solr.client.solrj.io.stream

Classes in org.apache.solr.client.solrj.io.stream that implement MapWriter
`class` `BiJoinStream` Joins leftStream with rightStream based on a Equalitor.
`class` `CloudSolrStream` Connects to Zookeeper to pick replicas from a specific collection to send the query to.
`class` `CommitStream` Sends a commit message to a SolrCloud collection
`class` `ComplementStream` Emits tuples from streamA which do not exist in streamB.
`class` `DaemonStream`
`class` `ExceptionStream`
`class` `ExecutorStream` The executor function wraps a stream with Tuples containing Streaming Expressions and executes them in parallel.
`class` `FacetStream` The FacetStream abstracts the output from the JSON facet API as a Stream of Tuples.
`class` `FeaturesSelectionStream`
`class` `FetchStream` Iterates over a stream and fetches additional fields from a specified collection.
`class` `HashJoinStream` Takes two streams (fullStream and hashStream) and joins them similar to an InnerJoinStream.
`class` `HavingStream` The HavingStream iterates over an internal stream and applies a BooleanOperation to each tuple.
`class` `InnerJoinStream` Joins leftStream with rightStream based on a Equalitor.
`class` `IntersectStream` Emits tuples from streamA which also exist in streamB.
`class` `JDBCStream` Connects to a datasource using a registered JDBC driver and execute a query.
`class` `JoinStream` Defines a JoinStream which can hold N streams, all joined with the same equalitor
`class` `LeftOuterJoinStream` Joins leftStream with rightStream based on a Equalitor.
`class` `MergeStream` Merges two or more streams together ordering the Tuples based on a Comparator.
`class` `ModelStream` The ModelStream retrieves a stored model from a Solr Cloud collection.
`class` `NullStream` The NullStream Iterates over a TupleStream and eats the tuples.
`class` `OuterHashJoinStream` Takes two streams (fullStream and hashStream) and joins them similar to an LeftOuterJoinStream.
`class` `ParallelStream` The ParallelStream decorates a TupleStream implementation and pushes it to N workers for parallel execution.
`class` `PriorityStream` The priority function wraps two topics that represent high priority and low priority task queues.
`class` `PushBackStream` A TupleStream that allows a single Tuple to be pushed back onto the stream after it's been read.
`class` `RandomStream` The RandomStream emits a stream of psuedo random Tuples that match the query parameters.
`class` `RankStream` Iterates over a TupleStream and Ranks the topN tuples based on a Comparator.
`class` `ReducerStream` Iterates over a TupleStream and buffers Tuples that are equal based on a comparator.
`class` `RollupStream`
`class` `ScoreNodesStream` Iterates over a gatherNodes() expression and scores the Tuples based on tf-idf.
`class` `SelectStream` Selects fields from the incoming stream and applies optional field renaming.
`class` `SignificantTermsStream`
`class` `SolrStream` Queries a single Solr instance and maps SolrDocs to a Stream of Tuples.
`class` `SortStream` The SortStream emits a stream of Tuples sorted by a Comparator.
`class` `StatsStream`
`class` `TextLogitStream`
`protected class` `TextLogitStream.TermsStream`
`class` `TopicStream`
`class` `TupleStream`
`class` `UniqueStream` The UniqueStream emits a unique stream of Tuples based on a Comparator.
`class` `UpdateStream` Sends tuples emitted by a wrapped `TupleStream` as updates to a SolrCloud collection.

### Uses of MapWriter in org.apache.solr.common

Methods in org.apache.solr.common with parameters of type MapWriter
`void` PushWriter.`writeMap(MapWriter mw)` Write a Map.

### Uses of MapWriter in org.apache.solr.common.util

Methods in org.apache.solr.common.util with parameters of type MapWriter
`void` JavaBinCodec.`writeMap(MapWriter val)`