org.apache.avro.avsc

Interface SchemaVisitor<T>

All Known Implementing Classes:

ResolvingVisitor

public interface SchemaVisitor<T>

Method Summary

Modifier and Type	Method and Description
SchemaVisitorAction	afterVisitNonTerminal(org.apache.avro.Schema nonTerminal) Invoked for schemas with children after its children have been visited.
T	get() Invoked when visiting is complete.
SchemaVisitorAction	visitNonTerminal(org.apache.avro.Schema nonTerminal) Invoked for schema with children before proceeding to visit the children.
SchemaVisitorAction	visitTerminal(org.apache.avro.Schema terminal) Invoked for schemas that do not have "child" schemas (like string, int ...) or for a previously encountered schema with children, which will be treated as a terminal.

Method Detail

visitTerminal

SchemaVisitorAction visitTerminal(org.apache.avro.Schema terminal)

Invoked for schemas that do not have "child" schemas (like string, int ...) or for a previously encountered schema with children, which will be treated as a terminal. (to avoid circular recursion)

Parameters:

terminal -

Returns:

visitNonTerminal

SchemaVisitorAction visitNonTerminal(org.apache.avro.Schema nonTerminal)

Invoked for schema with children before proceeding to visit the children.

Parameters:

nonTerminal -

Returns:

afterVisitNonTerminal

SchemaVisitorAction afterVisitNonTerminal(org.apache.avro.Schema nonTerminal)

Invoked for schemas with children after its children have been visited.

Parameters:

nonTerminal -

Returns:

get

T get()

Invoked when visiting is complete.

Returns:

a value which will be returned by the visit method.