Package org.apache.flink.table.runtime.typeutils.serializers.python

Class MapDataSerializer

java.lang.Object
org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.MapData>
org.apache.flink.table.runtime.typeutils.MapDataSerializer
org.apache.flink.table.runtime.typeutils.serializers.python.MapDataSerializer
All Implemented Interfaces:
Serializable
@Internal public class MapDataSerializer extends org.apache.flink.table.runtime.typeutils.MapDataSerializer
A TypeSerializer for MapData. It should be noted that the header will not be encoded. Currently Python doesn't support BinaryMapData natively, so we can't use BaseArraySerializer directly.
See Also:

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static final class 
    MapDataSerializer.BaseMapSerializerSnapshot
    TypeSerializerSnapshot for MapDataSerializer.

    Nested classes/interfaces inherited from class org.apache.flink.table.runtime.typeutils.MapDataSerializer

    org.apache.flink.table.runtime.typeutils.MapDataSerializer.MapDataSerializerSnapshot

  • Constructor Summary

    Constructors
    Constructor
    Description
    MapDataSerializer(org.apache.flink.table.types.logical.LogicalType keyType, org.apache.flink.table.types.logical.LogicalType valueType, org.apache.flink.api.common.typeutils.TypeSerializer keyTypeSerializer, org.apache.flink.api.common.typeutils.TypeSerializer valueTypeSerializer)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    copy(org.apache.flink.core.memory.DataInputView source, org.apache.flink.core.memory.DataOutputView target)
     
    org.apache.flink.table.data.MapData
    deserialize(org.apache.flink.core.memory.DataInputView source)
     
    org.apache.flink.table.data.MapData
    deserialize(org.apache.flink.table.data.MapData reuse, org.apache.flink.core.memory.DataInputView source)
     
    org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.MapData>
    duplicate()
     
    void
    serialize(org.apache.flink.table.data.MapData map, org.apache.flink.core.memory.DataOutputView target)
     
    org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<org.apache.flink.table.data.MapData>
    snapshotConfiguration()
     

    Methods inherited from class org.apache.flink.table.runtime.typeutils.MapDataSerializer

    copy, copy, createInstance, equals, getKeySerializer, getLength, getValueSerializer, hashCode, isImmutableType, toBinaryMap

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • MapDataSerializer

      public MapDataSerializer(org.apache.flink.table.types.logical.LogicalType keyType, org.apache.flink.table.types.logical.LogicalType valueType, org.apache.flink.api.common.typeutils.TypeSerializer keyTypeSerializer, org.apache.flink.api.common.typeutils.TypeSerializer valueTypeSerializer)

  • Method Details

    • serialize

      public void serialize(org.apache.flink.table.data.MapData map, org.apache.flink.core.memory.DataOutputView target) throws IOException
      Overrides:
      serialize in class org.apache.flink.table.runtime.typeutils.MapDataSerializer
      Throws:
      IOException

    • deserialize

      public org.apache.flink.table.data.MapData deserialize(org.apache.flink.core.memory.DataInputView source) throws IOException
      Overrides:
      deserialize in class org.apache.flink.table.runtime.typeutils.MapDataSerializer
      Throws:
      IOException

    • deserialize

      public org.apache.flink.table.data.MapData deserialize(org.apache.flink.table.data.MapData reuse, org.apache.flink.core.memory.DataInputView source) throws IOException
      Overrides:
      deserialize in class org.apache.flink.table.runtime.typeutils.MapDataSerializer
      Throws:
      IOException

    • copy

      public void copy(org.apache.flink.core.memory.DataInputView source, org.apache.flink.core.memory.DataOutputView target) throws IOException
      Overrides:
      copy in class org.apache.flink.table.runtime.typeutils.MapDataSerializer
      Throws:
      IOException

    • duplicate

      public org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.MapData> duplicate()
      Overrides:
      duplicate in class org.apache.flink.table.runtime.typeutils.MapDataSerializer

    • snapshotConfiguration

      public org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<org.apache.flink.table.data.MapData> snapshotConfiguration()
      Overrides:
      snapshotConfiguration in class org.apache.flink.table.runtime.typeutils.MapDataSerializer