org.apache.flink.api.java.functions

类 FormattingMapper<T>

java.lang.Object

org.apache.flink.api.java.functions.FormattingMapper<T>

类型参数:

T -

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.MapFunction<T,String>

@Internal
public class FormattingMapper<T>
extends Object
implements org.apache.flink.api.common.functions.MapFunction<T,String>

Mapper that converts values to strings using a TextOutputFormat.TextFormatter.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
FormattingMapper(TextOutputFormat.TextFormatter<T> formatter)

方法概要

限定符和类型	方法和说明
String	map(T value)

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

FormattingMapper

public FormattingMapper(TextOutputFormat.TextFormatter<T> formatter)

方法详细资料

map

public String map(T value)
           throws Exception

指定者:

map 在接口中 org.apache.flink.api.common.functions.MapFunction<T,String>

抛出:

Exception