# Package org.apache.solr.client.solrj.io.stream.expr

Expression language for the Streaming Aggregation API

See: Description

Interface Summary
Interface | Description
--- | ---
StreamExpressionParameter | Base interface of a stream parameter

Class Summary
Class | Description
--- | ---
StreamExpression | Expression containing a function and set of parameters
StreamExpressionNamedParameter | Provides a named parameter
StreamExpressionParser | Takes a prefix notation expression and returns a tokenized expression
StreamExpressionValue | Basic string stream expression
StreamFactory | Used to convert strings into stream expressions

## Package org.apache.solr.client.solrj.io.stream.expr Description

Expression language for the Streaming Aggregation API