Java Doc for RangeValueIterator.java in  » Internationalization-Localization » icu4j » com » ibm » icu » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Internationalization Localization » icu4j » com.ibm.icu.util 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


com.ibm.icu.util.RangeValueIterator

All known Subclasses:   com.ibm.icu.impl.TrieIterator,
RangeValueIterator
public interface RangeValueIterator (Code)

Interface for enabling iteration over sets of , where index is the sorted integer index in ascending order and value, its associated integer value.

The result for each iteration is the consecutive range of with the same value. Result is represented by where

  • start is the starting integer of the result range
  • limit is 1 after the maximum integer that follows start, such that all integers between start and (limit - 1), inclusive, have the same associated integer value.
  • value is the integer value that all integers from start to (limit - 1) share in common.

Hence value(start) = value(start + 1) = .... = value(start + n) = .... = value(limit - 1). However value(start -1) != value(start) and value(limit) != value(start).

Most implementations will be created by factory methods, such as the character type iterator in UCharacter.getTypeIterator. See example below.

Example of use:
 RangeValueIterator iterator = UCharacter.getTypeIterator();
 RangeValueIterator.Element result = new RangeValueIterator.Element();
 while (iterator.next(result)) {
 System.out.println("Codepoint \\u" + 
 Integer.toHexString(result.start) + 
 " to codepoint \\u" +
 Integer.toHexString(result.limit - 1) + 
 " has the character type " + result.value);
 }
 

author:
   synwee

Inner Class :public class Element



Method Summary
public  booleannext(Element element)
    
public  voidreset()
     Resets the iterator to the beginning of the iteration.



Method Detail
next
public boolean next(Element element)(Code)

Gets the next maximal result range with a common value and returns true if we are not at the end of the iteration, false otherwise.

If the return boolean is a false, the contents of elements will not be updated.


Parameters:
  element - for storing the result range and value true if we are not at the end of the iteration, false otherwise.
See Also:   Element



reset
public void reset()(Code)
Resets the iterator to the beginning of the iteration.



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