org.apache.flink.python.util

类 PythonConnectorUtils.SecondColumnSerializationSchema<T>

java.lang.Object

org.apache.flink.python.util.PythonConnectorUtils.SecondColumnSerializationSchema<T>

类型参数:

T - The actual data type wrapped in the Row.

所有已实现的接口:

Serializable, org.apache.flink.api.common.serialization.SerializationSchema<org.apache.flink.types.Row>

封闭类:

PythonConnectorUtils

public static class PythonConnectorUtils.SecondColumnSerializationSchema<T>
extends Object
implements org.apache.flink.api.common.serialization.SerializationSchema<org.apache.flink.types.Row>

A SerializationSchema for Row that only serialize the second column using a wrapped SerializationSchema for T.

另请参阅:

序列化表格

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.api.common.serialization.SerializationSchema

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

构造器概要

构造器

构造器和说明
SecondColumnSerializationSchema(org.apache.flink.api.common.serialization.SerializationSchema<T> wrappedSchema) The constructor.

方法概要

限定符和类型	方法和说明
void	open(org.apache.flink.api.common.serialization.SerializationSchema.InitializationContext context)
byte[]	serialize(org.apache.flink.types.Row row)

从类继承的方法 java.lang.Object

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

构造器详细资料

SecondColumnSerializationSchema

public SecondColumnSerializationSchema(org.apache.flink.api.common.serialization.SerializationSchema<T> wrappedSchema)

The constructor.

参数:

wrappedSchema - The SerializationSchema to serialize T objects.

方法详细资料

open

public void open(org.apache.flink.api.common.serialization.SerializationSchema.InitializationContext context)
          throws Exception

指定者:

open 在接口中 org.apache.flink.api.common.serialization.SerializationSchema<org.apache.flink.types.Row>

抛出:

Exception

serialize

public byte[] serialize(org.apache.flink.types.Row row)

指定者:

serialize 在接口中 org.apache.flink.api.common.serialization.SerializationSchema<org.apache.flink.types.Row>