Java Doc for WrapperIterator.java in  » Database-DBMS » hsql » org » hsqldb » lib » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » hsql » org.hsqldb.lib 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.hsqldb.lib.WrapperIterator

WrapperIterator
public class WrapperIterator implements Iterator(Code)
An Iterator that returns the elements of a specified array, or other iterators etc. The collection of objects returned depends on the constructor used.

Based on similar Enumerator code by boucherb@users
author:
   fred@users
version:
   1.7.2
since:
   HSQLDB 1.7.2




Constructor Summary
public  WrapperIterator()
     Constructor for an empty iterator.
public  WrapperIterator(Object[] elements)
     Constructor for all elements of the specified array.
public  WrapperIterator(Object[] elements, boolean notNull)
     Constructor for not-null elements of specified array.
public  WrapperIterator(Object element)
    
public  WrapperIterator(Iterator it1, Iterator it2)
     Constructor for a chained iterator that retuns the elements of the two specified iterators.

Method Summary
public  booleanhasNext()
     Tests if this iterator contains more elements.
public  Objectnext()
     Returns the next element.
public  intnextInt()
    
public  longnextLong()
    
public  voidremove()
    


Constructor Detail
WrapperIterator
public WrapperIterator()(Code)
Constructor for an empty iterator.




WrapperIterator
public WrapperIterator(Object[] elements)(Code)
Constructor for all elements of the specified array.


Parameters:
  elements - the array of objects to enumerate




WrapperIterator
public WrapperIterator(Object[] elements, boolean notNull)(Code)
Constructor for not-null elements of specified array.


Parameters:
  elements - the array of objects to iterate




WrapperIterator
public WrapperIterator(Object element)(Code)
Constructor for a singleton object iterator
Parameters:
  element - the single object to iterate



WrapperIterator
public WrapperIterator(Iterator it1, Iterator it2)(Code)
Constructor for a chained iterator that retuns the elements of the two specified iterators.
Parameters:
  element - the single object to iterate




Method Detail
hasNext
public boolean hasNext()(Code)
Tests if this iterator contains more elements.

true if this iterator contains more elements;false otherwise.




next
public Object next()(Code)
Returns the next element. the next element
throws:
  NoSuchElementException - if there is no next element



nextInt
public int nextInt()(Code)



nextLong
public long nextLong()(Code)



remove
public void remove()(Code)



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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