org.apache.pulsar.client.impl.schema

Class JSONSchema<T>

java.lang.Object

org.apache.pulsar.client.impl.schema.AbstractSchema<T>

org.apache.pulsar.client.impl.schema.StructSchema<T>

org.apache.pulsar.client.impl.schema.JSONSchema<T>

All Implemented Interfaces:

Cloneable, Schema<T>

public class JSONSchema<T>
extends StructSchema<T>

A schema implementation to deal with json data.

Field Summary

Fields inherited from class org.apache.pulsar.client.impl.schema.StructSchema

LOG, reader, schema, schemaInfo, schemaInfoProvider, writer

Fields inherited from interface org.apache.pulsar.client.api.Schema

BOOL, BYTEBUFFER, BYTES, DATE, DOUBLE, FLOAT, INT16, INT32, INT64, INT8, STRING, TIME, TIMESTAMP

Method Summary

Modifier and Type	Method and Description
SchemaInfo	getBackwardsCompatibleJsonSchemaInfo() Implemented for backwards compatibility reasons since the original schema generated by JSONSchema was based off the json schema standard since then we have standardized on Avro
protected SchemaReader<T>	loadReader(BytesSchemaVersion schemaVersion) Load the schema reader for reading messages encoded by the given schema version.
static <T> JSONSchema<T>	of(Class<T> pojo)
static <T> JSONSchema<T>	of(Class<T> pojo, Map<String,String> properties)
static <T> JSONSchema<T>	of(SchemaDefinition<T> schemaDefinition)

Methods inherited from class org.apache.pulsar.client.impl.schema.StructSchema

createAvroSchema, decode, decode, decode, decode, encode, extractAvroSchema, getAvroSchema, getReader, getSchemaInfo, getSchemaInfoByVersion, parseAvroSchema, parseSchemaInfo, setReader, setSchemaInfoProvider, setWriter

Methods inherited from class org.apache.pulsar.client.impl.schema.AbstractSchema

clone

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pulsar.client.api.Schema

AUTO_CONSUME, AUTO_PRODUCE_BYTES, AUTO_PRODUCE_BYTES, AUTO, AVRO, AVRO, configureSchemaInfo, generic, getSchema, JSON, JSON, KeyValue, KeyValue, KeyValue, KeyValue, KV_BYTES, PROTOBUF, PROTOBUF, requireFetchingSchemaInfo, supportSchemaVersioning, validate

Method Detail

loadReader

protected SchemaReader<T> loadReader(BytesSchemaVersion schemaVersion)

Description copied from class: StructSchema

Load the schema reader for reading messages encoded by the given schema version.

Specified by:

loadReader in class StructSchema<T>

Parameters:

schemaVersion - the provided schema version

Returns:

the schema reader for decoding messages encoded by the provided schema version.

getBackwardsCompatibleJsonSchemaInfo

public SchemaInfo getBackwardsCompatibleJsonSchemaInfo()

Implemented for backwards compatibility reasons since the original schema generated by JSONSchema was based off the json schema standard since then we have standardized on Avro

Returns:

of

public static <T> JSONSchema<T> of(SchemaDefinition<T> schemaDefinition)

of

public static <T> JSONSchema<T> of(Class<T> pojo)

of

public static <T> JSONSchema<T> of(Class<T> pojo,
                                   Map<String,String> properties)