org.apache.flink.util

类 StringValueUtils.WhitespaceTokenizer

java.lang.Object

org.apache.flink.util.StringValueUtils.WhitespaceTokenizer

所有已实现的接口:

Serializable

封闭类:

StringValueUtils

public static final class StringValueUtils.WhitespaceTokenizer
extends Object
implements Serializable

A tokenizer for string values that uses whitespace characters as token delimiters. The tokenizer is designed to have a resettable state and operate on mutable objects, sparing object allocation and garbage collection overhead.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
WhitespaceTokenizer() Creates a new tokenizer with an undefined internal state.

方法概要

限定符和类型	方法和说明
boolean	next(StringValue target) Gets the next token from the string.
void	setStringToTokenize(StringValue string) Sets the string to be tokenized and resets the state of the tokenizer.

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

WhitespaceTokenizer

public WhitespaceTokenizer()

Creates a new tokenizer with an undefined internal state.

方法详细资料

setStringToTokenize

public void setStringToTokenize(StringValue string)

Sets the string to be tokenized and resets the state of the tokenizer.

参数:

string - The string value to be tokenized.

next

public boolean next(StringValue target)

Gets the next token from the string. If another token is available, the token is stored in the given target StringValue object.

参数:

target - The StringValue object to store the next token in.

返回:

True, if there was another token, false if not.