Package org.apache.avro.io.parsing

Class ResolvingGrammarGenerator

java.lang.Object

org.apache.avro.io.parsing.ValidatingGrammarGenerator

org.apache.avro.io.parsing.ResolvingGrammarGenerator

public class ResolvingGrammarGenerator
extends ValidatingGrammarGenerator

The class that generates a resolving grammar to resolve between two schemas.

Constructor Summary

Constructors

Constructor	Description
ResolvingGrammarGenerator()

Method Summary

Modifier and Type	Method	Description
static void	encode(Encoder e, Schema s, com.fasterxml.jackson.databind.JsonNode n)	Encodes the given Json node n on to the encoder e according to the schema s.
final Symbol	generate(Schema writer, Schema reader)	Resolves the writer schema writer and the reader schema reader and returns the start symbol for the grammar generated.

Methods inherited from class org.apache.avro.io.parsing.ValidatingGrammarGenerator

generate, generate

Methods inherited from class java.lang.Object

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

Constructor Details

ResolvingGrammarGenerator

public ResolvingGrammarGenerator()

Method Details

generate

public final Symbol generate(Schema writer,
 Schema reader)
                      throws IOException

Resolves the writer schema writer and the reader schema reader and returns the start symbol for the grammar generated.

Parameters:

writer - The schema used by the writer

reader - The schema used by the reader

Returns:

The start symbol for the resolving grammar

Throws:

IOException

encode

public static void encode(Encoder e,
 Schema s,
 com.fasterxml.jackson.databind.JsonNode n)
                   throws IOException

Encodes the given Json node n on to the encoder e according to the schema s.

Parameters:

e - The encoder to encode into.

s - The schema for the object being encoded.

n - The Json node to encode.

Throws:

IOException