org.apache.flink.formats.json

Class JsonParserRowDataDeserializationSchema

java.lang.Object

org.apache.flink.formats.json.AbstractJsonDeserializationSchema

org.apache.flink.formats.json.JsonParserRowDataDeserializationSchema

All Implemented Interfaces:

Serializable, DeserializationSchema<RowData>, ResultTypeQueryable<RowData>

@Internal
public class JsonParserRowDataDeserializationSchema
extends AbstractJsonDeserializationSchema

Tool class used to convert fields from JsonParser to RowData which has a higher parsing efficiency.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.api.common.serialization.DeserializationSchema

DeserializationSchema.InitializationContext

Field Summary

Fields inherited from class org.apache.flink.formats.json.AbstractJsonDeserializationSchema

failOnMissingField, ignoreParseErrors, objectMapper

Constructor Summary

Constructors

Constructor and Description
JsonParserRowDataDeserializationSchema(RowType rowType, TypeInformation<RowData> resultTypeInfo, boolean failOnMissingField, boolean ignoreParseErrors, TimestampFormat timestampFormat)
JsonParserRowDataDeserializationSchema(RowType rowType, TypeInformation<RowData> resultTypeInfo, boolean failOnMissingField, boolean ignoreParseErrors, TimestampFormat timestampFormat, String[][] projectedFields)

Method Summary

Modifier and Type	Method and Description
RowData	deserialize(byte[] message) Deserializes the byte message.

Methods inherited from class org.apache.flink.formats.json.AbstractJsonDeserializationSchema

equals, getProducedType, hashCode, isEndOfStream, open

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.api.common.serialization.DeserializationSchema

deserialize

Constructor Detail

JsonParserRowDataDeserializationSchema

public JsonParserRowDataDeserializationSchema(RowType rowType,
                                              TypeInformation<RowData> resultTypeInfo,
                                              boolean failOnMissingField,
                                              boolean ignoreParseErrors,
                                              TimestampFormat timestampFormat)

JsonParserRowDataDeserializationSchema

public JsonParserRowDataDeserializationSchema(RowType rowType,
                                              TypeInformation<RowData> resultTypeInfo,
                                              boolean failOnMissingField,
                                              boolean ignoreParseErrors,
                                              TimestampFormat timestampFormat,
                                              @Nullable
                                              String[][] projectedFields)

Method Detail

deserialize

public RowData deserialize(byte[] message)
                    throws IOException

Description copied from interface: DeserializationSchema

Deserializes the byte message.

Parameters:

message - The message, as a byte array.

Returns:

The deserialized message as an object (null if the message cannot be deserialized).

Throws:

IOException