Package org.apache.avro.util

Class SchemaResolver.ResolvingVisitor

java.lang.Object

org.apache.avro.util.SchemaResolver.ResolvingVisitor

All Implemented Interfaces:

SchemaVisitor<Void>

Enclosing class:

SchemaResolver

public static final class SchemaResolver.ResolvingVisitor
extends Object
implements SchemaVisitor<Void>

This visitor creates clone of the visited Schemata, minus the specified schema properties, and resolves all unresolved schemas.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.avro.util.SchemaVisitor

SchemaVisitor.SchemaVisitorAction

Constructor Summary

Constructors

Constructor	Description
ResolvingVisitor(Function<String,Schema> symbolTable)

Method Summary

Modifier and Type	Method	Description
SchemaVisitor.SchemaVisitorAction	afterVisitNonTerminal(Schema nt)	Invoked for schemas with children after its children have been visited.
void	copyProperties(Schema first, Schema second)
Void	get()	Invoked when visiting is complete.
Schema	getResolved(Schema schema)
String	toString()
SchemaVisitor.SchemaVisitorAction	visitNonTerminal(Schema nt)	Invoked for schema with children before proceeding to visit the children.
SchemaVisitor.SchemaVisitorAction	visitTerminal(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.

Methods inherited from class java.lang.Object

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

Constructor Details

ResolvingVisitor

public ResolvingVisitor(Function<String,Schema> symbolTable)

Method Details

visitTerminal

public SchemaVisitor.SchemaVisitorAction visitTerminal(Schema terminal)

Description copied from interface: SchemaVisitor

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)

Specified by:

visitTerminal in interface SchemaVisitor<Void>

visitNonTerminal

public SchemaVisitor.SchemaVisitorAction visitNonTerminal(Schema nt)

Description copied from interface: SchemaVisitor

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

Specified by:

visitNonTerminal in interface SchemaVisitor<Void>

copyProperties

public void copyProperties(Schema first,
 Schema second)

afterVisitNonTerminal

public SchemaVisitor.SchemaVisitorAction afterVisitNonTerminal(Schema nt)

Description copied from interface: SchemaVisitor

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

Specified by:

afterVisitNonTerminal in interface SchemaVisitor<Void>

get

public Void get()

Description copied from interface: SchemaVisitor

Invoked when visiting is complete.

Specified by:

get in interface SchemaVisitor<Void>

Returns:

a value that will be returned by the visit method.

getResolved

public Schema getResolved(Schema schema)

toString

public String toString()

Overrides:

toString in class Object