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

类 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>

类型参数:

T -

所有已实现的接口:

Serializable

@Internal
public final class WritableSerializer<T extends org.apache.hadoop.io.Writable>
extends org.apache.flink.api.common.typeutils.TypeSerializer<T>

A TypeSerializer for Writable.

另请参阅:

序列化表格

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	WritableSerializer.WritableSerializerConfigSnapshot<T extends org.apache.hadoop.io.Writable> 已过时。 This class is no longer used as a snapshot for any serializer. It is fully replaced by WritableSerializer.WritableSerializerSnapshot.
static class	WritableSerializer.WritableSerializerSnapshot<T extends org.apache.hadoop.io.Writable> WritableSerializer snapshot class.

构造器概要

构造器

构造器和说明
WritableSerializer(Class<T> typeClass)

方法概要

限定符和类型	方法和说明
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)
WritableSerializer<T>	duplicate()
boolean	equals(Object obj)
int	getLength()
int	hashCode()
boolean	isImmutableType()
void	serialize(T record, org.apache.flink.core.memory.DataOutputView target)
org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<T>	snapshotConfiguration()

从类继承的方法 java.lang.Object

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

构造器详细资料

WritableSerializer

public WritableSerializer(Class<T> typeClass)

方法详细资料

createInstance

public T createInstance()

指定者:

createInstance 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

copy

public T copy(T from)

指定者:

copy 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

copy

public T copy(T from,
              T reuse)

指定者:

copy 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

getLength

public int getLength()

指定者:

getLength 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

serialize

public void serialize(T record,
                      org.apache.flink.core.memory.DataOutputView target)
               throws IOException

指定者:

serialize 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

抛出:

IOException

deserialize

public T deserialize(org.apache.flink.core.memory.DataInputView source)
              throws IOException

指定者:

deserialize 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

抛出:

IOException

deserialize

public T deserialize(T reuse,
                     org.apache.flink.core.memory.DataInputView source)
              throws IOException

指定者:

deserialize 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

抛出:

IOException

copy

public void copy(org.apache.flink.core.memory.DataInputView source,
                 org.apache.flink.core.memory.DataOutputView target)
          throws IOException

指定者:

copy 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

抛出:

IOException

isImmutableType

public boolean isImmutableType()

指定者:

isImmutableType 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

duplicate

public WritableSerializer<T> duplicate()

指定者:

duplicate 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

hashCode

public int hashCode()

指定者:

hashCode 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

equals

public boolean equals(Object obj)

指定者:

equals 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>

snapshotConfiguration

public org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<T> snapshotConfiguration()

指定者:

snapshotConfiguration 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<T extends org.apache.hadoop.io.Writable>