Package 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, org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.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

org.apache.flink.api.common.serialization.DeserializationSchema.InitializationContext

Field Summary

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

failOnMissingField, ignoreParseErrors, objectMapper

Constructor Summary

Constructors

Constructor	Description
JsonParserRowDataDeserializationSchema(org.apache.flink.table.types.logical.RowType rowType, org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> resultTypeInfo, boolean failOnMissingField, boolean ignoreParseErrors, org.apache.flink.formats.common.TimestampFormat timestampFormat)
JsonParserRowDataDeserializationSchema(org.apache.flink.table.types.logical.RowType rowType, org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> resultTypeInfo, boolean failOnMissingField, boolean ignoreParseErrors, org.apache.flink.formats.common.TimestampFormat timestampFormat, String[][] projectedFields)

Method Summary

Modifier and Type	Method	Description
void	deserialize(byte[] message, org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> out)

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

deserialize, equals, getProducedType, hashCode, isEndOfStream, open

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonParserRowDataDeserializationSchema

public JsonParserRowDataDeserializationSchema(org.apache.flink.table.types.logical.RowType rowType,
                                              org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> resultTypeInfo,
                                              boolean failOnMissingField,
                                              boolean ignoreParseErrors,
                                              org.apache.flink.formats.common.TimestampFormat timestampFormat)

JsonParserRowDataDeserializationSchema

public JsonParserRowDataDeserializationSchema(org.apache.flink.table.types.logical.RowType rowType,
                                              org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> resultTypeInfo,
                                              boolean failOnMissingField,
                                              boolean ignoreParseErrors,
                                              org.apache.flink.formats.common.TimestampFormat timestampFormat,
                                              @Nullable
                                              String[][] projectedFields)

Method Detail

deserialize

public void deserialize(byte[] message,
                        org.apache.flink.util.Collector<org.apache.flink.table.data.RowData> out)
                 throws IOException

Throws:

IOException