org.apache.flink.api.java.typeutils.runtime

Class WritableSerializer<T extends org.apache.hadoop.io.Writable>

java.lang.Object

org.apache.flink.api.common.typeutils.TypeSerializer<T>

org.apache.flink.api.java.typeutils.runtime.WritableSerializer<T>

All Implemented Interfaces:

Serializable

public class WritableSerializer<T extends org.apache.hadoop.io.Writable>
extends TypeSerializer<T>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
WritableSerializer(Class<T> typeClass)

Method Summary

Methods

Modifier and Type	Method and Description
void	copy(DataInputView source, DataOutputView target)
T	copy(T from)
T	copy(T from, T reuse)
T	createInstance()
T	deserialize(DataInputView source)
T	deserialize(T reuse, DataInputView source)
WritableSerializer	duplicate()
boolean	equals(Object obj)
int	getLength()
int	hashCode()
boolean	isImmutableType()
void	serialize(T record, DataOutputView target)

Methods inherited from class java.lang.Object

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

Constructor Detail

WritableSerializer

public WritableSerializer(Class<T> typeClass)

Method Detail

createInstance

public T createInstance()

Specified by:

createInstance in class TypeSerializer<T extends org.apache.hadoop.io.Writable>

copy

public T copy(T from)

Specified by:

copy in class TypeSerializer<T extends org.apache.hadoop.io.Writable>

copy

public T copy(T from,
     T reuse)

Specified by:

copy in class TypeSerializer<T extends org.apache.hadoop.io.Writable>

getLength

public int getLength()

Specified by:

getLength in class TypeSerializer<T extends org.apache.hadoop.io.Writable>

serialize

public void serialize(T record,
             DataOutputView target)
               throws IOException

Specified by:

serialize in class TypeSerializer<T extends org.apache.hadoop.io.Writable>

Throws:

IOException

deserialize

public T deserialize(DataInputView source)
                                                    throws IOException

Specified by:

deserialize in class TypeSerializer<T extends org.apache.hadoop.io.Writable>

Throws:

IOException

deserialize

public T deserialize(T reuse,
            DataInputView source)
                                                    throws IOException

Specified by:

deserialize in class TypeSerializer<T extends org.apache.hadoop.io.Writable>

Throws:

IOException

copy

public void copy(DataInputView source,
        DataOutputView target)
          throws IOException

Specified by:

copy in class TypeSerializer<T extends org.apache.hadoop.io.Writable>

Throws:

IOException

isImmutableType

public boolean isImmutableType()

Specified by:

isImmutableType in class TypeSerializer<T extends org.apache.hadoop.io.Writable>

duplicate

public WritableSerializer duplicate()

Specified by:

duplicate in class TypeSerializer<T extends org.apache.hadoop.io.Writable>

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object