Package org.apache.avro.util

Class SchemaResolver

java.lang.Object

org.apache.avro.util.SchemaResolver

public final class SchemaResolver
extends Object

Utility class to resolve schemas that are unavailable at the point they are referenced in a schema file. This class is meant for internal use: use at your own risk!

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	SchemaResolver.IsResolvedSchemaVisitor	This visitor checks if the current schema is fully resolved.
static final class	SchemaResolver.ResolvingVisitor	This visitor creates clone of the visited Schemata, minus the specified schema properties, and resolves all unresolved schemas.

Method Summary

Modifier and Type	Method	Description
static String	getUnresolvedSchemaName(Schema schema)	Get the unresolved schema name.
static boolean	isFullyResolvedSchema(Schema schema)	Is this an unresolved schema?
static boolean	isUnresolvedSchema(Schema schema)	Is this an unresolved schema.
static Schema	unresolvedSchema(String name)	Create a schema to represent an "unresolved" schema.

Methods inherited from class java.lang.Object

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

Method Details

unresolvedSchema

public static Schema unresolvedSchema(String name)

Create a schema to represent an "unresolved" schema. (used to represent a schema whose definition does not exist, yet).

Parameters:

name - a schema name

Returns:

an unresolved schema for the given name

isUnresolvedSchema

public static boolean isUnresolvedSchema(Schema schema)

Is this an unresolved schema.

Parameters:

schema - a schema

Returns:

whether the schema is an unresolved schema

getUnresolvedSchemaName

public static String getUnresolvedSchemaName(Schema schema)

Get the unresolved schema name.

Parameters:

schema - an unresolved schema

Returns:

the name of the unresolved schema

isFullyResolvedSchema

public static boolean isFullyResolvedSchema(Schema schema)

Is this an unresolved schema?