Package org.apache.avro.util

Class SchemaResolver.IsResolvedSchemaVisitor

java.lang.Object

org.apache.avro.util.SchemaResolver.IsResolvedSchemaVisitor

All Implemented Interfaces:

SchemaVisitor<Boolean>

Enclosing class:

SchemaResolver

public static final class SchemaResolver.IsResolvedSchemaVisitor
extends Object
implements SchemaVisitor<Boolean>

This visitor checks if the current schema is fully resolved.

Nested Class Summary

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

SchemaVisitor.SchemaVisitorAction

Method Summary

Modifier and Type	Method	Description
SchemaVisitor.SchemaVisitorAction	afterVisitNonTerminal(Schema nonTerminal)	Invoked for schemas with children after its children have been visited.
Boolean	get()	Invoked when visiting is complete.
SchemaVisitor.SchemaVisitorAction	visitNonTerminal(Schema nonTerminal)	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, toString, wait, wait, wait

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<Boolean>

visitNonTerminal

public SchemaVisitor.SchemaVisitorAction visitNonTerminal(Schema nonTerminal)

Description copied from interface: SchemaVisitor

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

Specified by:

visitNonTerminal in interface SchemaVisitor<Boolean>

afterVisitNonTerminal

public SchemaVisitor.SchemaVisitorAction afterVisitNonTerminal(Schema nonTerminal)

Description copied from interface: SchemaVisitor

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

Specified by:

afterVisitNonTerminal in interface SchemaVisitor<Boolean>

get

public Boolean get()

Description copied from interface: SchemaVisitor

Invoked when visiting is complete.

Specified by:

get in interface SchemaVisitor<Boolean>

Returns:

a value that will be returned by the visit method.