org.spf4j.avro.schema

Class SchemasWithClasses

java.lang.Object

org.spf4j.avro.schema.SchemasWithClasses

All Implemented Interfaces:

SchemaVisitor<Map<String,org.apache.avro.Schema>>

public final class SchemasWithClasses
extends Object
implements SchemaVisitor<Map<String,org.apache.avro.Schema>>

A visitor that recursively visits a schema and returns a map like: java class name -> Schema for every Schema encountered that has a java class implementation.

Author:

zoly

Constructor Summary

Constructors

Constructor and Description
SchemasWithClasses()

Method Summary

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

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SchemasWithClasses

public SchemasWithClasses()

Method Detail

visitTerminal

public SchemaVisitorAction visitTerminal(org.apache.avro.Schema schema)

Description copied from interface: SchemaVisitor

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

Specified by:

visitTerminal in interface SchemaVisitor<Map<String,org.apache.avro.Schema>>

Returns:

visitNonTerminal

public SchemaVisitorAction visitNonTerminal(org.apache.avro.Schema schema)

Description copied from interface: SchemaVisitor

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

Specified by:

visitNonTerminal in interface SchemaVisitor<Map<String,org.apache.avro.Schema>>

Returns:

afterVisitNonTerminal

public SchemaVisitorAction afterVisitNonTerminal(org.apache.avro.Schema terminal)

Description copied from interface: SchemaVisitor

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

Specified by:

afterVisitNonTerminal in interface SchemaVisitor<Map<String,org.apache.avro.Schema>>

Returns:

get

public Map<String,org.apache.avro.Schema> get()

Description copied from interface: SchemaVisitor

Invoked when visiting is complete.

Specified by:

get in interface SchemaVisitor<Map<String,org.apache.avro.Schema>>

Returns:

a value which will be returned by the visit method.

toString

public String toString()

Overrides:

toString in class Object