org.apache.flink.formats.json

Class JsonRowSerializationSchema

java.lang.Object

org.apache.flink.formats.json.JsonRowSerializationSchema

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.serialization.SerializationSchema<org.apache.flink.types.Row>

@PublicEvolving
public class JsonRowSerializationSchema
extends Object
implements org.apache.flink.api.common.serialization.SerializationSchema<org.apache.flink.types.Row>

Serialization schema that serializes an object of Flink types into a JSON bytes.

Serializes the input Flink object into a JSON string and converts it into byte[].

Result byte[] messages can be deserialized using JsonRowDeserializationSchema.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
JsonRowSerializationSchema(String jsonSchema) Creates a JSON serialization schema for the given JSON schema.
JsonRowSerializationSchema(org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.types.Row> typeInfo) Creates a JSON serialization schema for the given type information.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
int	hashCode()
byte[]	serialize(org.apache.flink.types.Row row)

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonRowSerializationSchema

public JsonRowSerializationSchema(org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.types.Row> typeInfo)

Creates a JSON serialization schema for the given type information.

Parameters:

typeInfo - The field names of Row are used to map to JSON properties.

JsonRowSerializationSchema

public JsonRowSerializationSchema(String jsonSchema)

Creates a JSON serialization schema for the given JSON schema.

Parameters:

jsonSchema - JSON schema describing the result type

See Also:

http://json-schema.org/

Method Detail

serialize

public byte[] serialize(org.apache.flink.types.Row row)

Specified by:

serialize in interface org.apache.flink.api.common.serialization.SerializationSchema<org.apache.flink.types.Row>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object