jimm.datavision.source
Class ColumnIterator

java.lang.Object
  extended by jimm.datavision.source.ColumnIterator
All Implemented Interfaces:
java.util.Iterator

public class ColumnIterator
extends java.lang.Object
implements java.util.Iterator

An iterator over the columns in a list of tables. Not used by all data sources.


Field Summary
(package private)  java.util.Iterator colIter
           
(package private)  java.lang.Object nextCol
           
(package private)  Table table
           
(package private)  java.util.Iterator tableIter
           
 
Constructor Summary
ColumnIterator(java.util.Iterator tableIter)
          Constructor.
 
Method Summary
protected  void findNext()
          Sets col to the next available column.
 boolean hasNext()
           
 java.lang.Object next()
           
 void remove()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

tableIter

java.util.Iterator tableIter

table

Table table

colIter

java.util.Iterator colIter

nextCol

java.lang.Object nextCol
Constructor Detail

ColumnIterator

public ColumnIterator(java.util.Iterator tableIter)
Constructor.

Method Detail

hasNext

public boolean hasNext()
Specified by:
hasNext in interface java.util.Iterator

next

public java.lang.Object next()
                      throws java.util.NoSuchElementException
Specified by:
next in interface java.util.Iterator
Throws:
java.util.NoSuchElementException

remove

public void remove()
            throws java.lang.UnsupportedOperationException
Specified by:
remove in interface java.util.Iterator
Throws:
java.lang.UnsupportedOperationException

findNext

protected void findNext()
Sets col to the next available column. If there is none, col will be set to null.