Package org.apache.flink.runtime.state

Class JavaSerializer<T extends Serializable>

java.lang.Object
org.apache.flink.api.common.typeutils.TypeSerializer<T>
org.apache.flink.api.common.typeutils.base.TypeSerializerSingleton<T>
org.apache.flink.runtime.state.JavaSerializer<T>
All Implemented Interfaces:
Serializable
@Internal @VisibleForTesting public final class JavaSerializer<T extends Serializable> extends org.apache.flink.api.common.typeutils.base.TypeSerializerSingleton<T>
A TypeSerializer that uses Java serialization. This should not be used for anything.
See Also:

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static final class 
    JavaSerializer.JavaSerializerSnapshot<T extends Serializable>
    Serializer configuration snapshot for compatibility and format evolution.

  • Constructor Summary

    Constructors
    Constructor
    Description
    JavaSerializer()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    copy(org.apache.flink.core.memory.DataInputView source, org.apache.flink.core.memory.DataOutputView target)
     
    T
    copy(T from)
     
    T
    copy(T from, T reuse)
     
    T
    createInstance()
     
    T
    deserialize(org.apache.flink.core.memory.DataInputView source)
     
    T
    deserialize(T reuse, org.apache.flink.core.memory.DataInputView source)
     
    int
    getLength()
     
    boolean
    isImmutableType()
     
    void
    serialize(T record, org.apache.flink.core.memory.DataOutputView target)
     
    org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<T>
    snapshotConfiguration()
     

    Methods inherited from class org.apache.flink.api.common.typeutils.base.TypeSerializerSingleton

    duplicate, equals, hashCode

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • JavaSerializer

      public JavaSerializer()

  • Method Details

    • isImmutableType

      public boolean isImmutableType()
      Specified by:
      isImmutableType in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends Serializable>

    • createInstance

      public T createInstance()
      Specified by:
      createInstance in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends Serializable>

    • copy

      public T copy(T from)
      Specified by:
      copy in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends Serializable>

    • copy

      public T copy(T from, T reuse)
      Specified by:
      copy in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends Serializable>

    • getLength

      public int getLength()
      Specified by:
      getLength in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends Serializable>

    • serialize

      public void serialize(T record, org.apache.flink.core.memory.DataOutputView target) throws IOException
      Specified by:
      serialize in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends Serializable>
      Throws:
      IOException

    • deserialize

      public T deserialize(org.apache.flink.core.memory.DataInputView source) throws IOException
      Specified by:
      deserialize in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends Serializable>
      Throws:
      IOException

    • deserialize

      public T deserialize(T reuse, org.apache.flink.core.memory.DataInputView source) throws IOException
      Specified by:
      deserialize in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends Serializable>
      Throws:
      IOException

    • copy

      public void copy(org.apache.flink.core.memory.DataInputView source, org.apache.flink.core.memory.DataOutputView target) throws IOException
      Specified by:
      copy in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends Serializable>
      Throws:
      IOException

    • snapshotConfiguration

      public org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<T> snapshotConfiguration()
      Specified by:
      snapshotConfiguration in class org.apache.flink.api.common.typeutils.TypeSerializer<T extends Serializable>