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

Expression language for the Streaming Aggregation API

See: Description

Interface Summary
Explanation.ExpressionType
Expressible: Defines a stream that can be expressed in an expression
StreamExpressionParameter: Base interface of a stream parameter

Class Summary
Explanation: Explanation containing details about a expression
StreamExplanation: Explanation containing details about a stream expression
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