org.apache.flink.api.java.typeutils

Class TypeInfoParser

java.lang.Object

org.apache.flink.api.java.typeutils.TypeInfoParser

public class TypeInfoParser
extends Object

Constructor Summary

Constructors

Constructor and Description
TypeInfoParser()

Method Summary

Modifier and Type	Method and Description
static <X> org.apache.flink.api.common.typeinfo.TypeInformation<X>	parse(String infoString) Generates an instance of TypeInformation by parsing a type information string.

Methods inherited from class java.lang.Object

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

Constructor Detail

TypeInfoParser

public TypeInfoParser()

Method Detail

parse

public static <X> org.apache.flink.api.common.typeinfo.TypeInformation<X> parse(String infoString)

Generates an instance of TypeInformation by parsing a type information string. A type information string can contain the following types:

• Basic types such as Integer, String, etc.
• Basic type arrays such as Integer[], String[], etc.
• Tuple types such as Tuple1<TYPE0>, Tuple2<TYPE0, TYPE1>, etc.
• Pojo types such as org.my.MyPojo<myFieldName=TYPE0,myFieldName2=TYPE1>, etc.
• Generic types such as java.lang.Class, etc.
• Custom type arrays such as org.my.CustomClass[], org.my.CustomClass$StaticInnerClass[], etc.
• Value types such as DoubleValue, StringValue, IntegerValue, etc.
• Tuple array types such as Tuple2<TYPE0,TYPE1>[], etc.
• Writable types such as Writable<org.my.CustomWritable>
• Enum types such as Enum<org.my.CustomEnum>

Example: "Tuple2<String,Tuple2<Integer,org.my.MyJob$Pojo<word=String>>>"

Parameters:

infoString - type information string to be parsed

Returns:

TypeInformation representation of the string