javatools.db
Class DbCachedIterator

java.lang.Object
  |
  +--javatools.db.DbIterator
        |
        +--javatools.db.DbCachedIterator

All Implemented Interfaces:

java.util.Iterator

public class DbCachedIterator

extends DbIterator

A class to represent a "cached" DbIterator, that is an iterator that can be called more than once.

Constructor Summary

DbCachedIterator(DbCachedTable table)
Creates new DbCachedIterator

Method Summary

boolean	hasNext() Checks if this iterator has a value after the current one.
boolean	hasNextRow() Are there more rows to iterator through?
java.lang.Object	next() Takes the next object from the iterator.
DbRow	nextRow() Get the next DbRow in the table.
void	remove() Removes the current element in the iterator.

Methods inherited from class java.lang.Object

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

Constructor Detail

DbCachedIterator

public DbCachedIterator(DbCachedTable table)

Creates new DbCachedIterator

Parameters:

table - The table to point the iterator to.

Method Detail

hasNext

public boolean hasNext()

Checks if this iterator has a value after the current one.

Specified by:

hasNext in interface java.util.Iterator

Overrides:

hasNext in class DbIterator

Returns:

true: if there is another value; false: otherwise.

hasNextRow

public boolean hasNextRow()
                   throws DbException

Are there more rows to iterator through?

Overrides:

hasNextRow in class DbIterator

Returns:

true: if there is another row; false: otherwise.

Throws:

DbException - If something goes wrong.

next

public java.lang.Object next()

Takes the next object from the iterator.

Specified by:

next in interface java.util.Iterator

Overrides:

next in class DbIterator

Returns:

The needed object.

nextRow

public DbRow nextRow()
              throws DbException

Get the next DbRow in the table.

Overrides:

nextRow in class DbIterator

Returns:

The needed row.

Throws:

DbException - If something goes wrong.

remove

public void remove()

Removes the current element in the iterator.

Specified by:

remove in interface java.util.Iterator

Overrides:

remove in class DbIterator