org.dftproject.genesis.core.data.nodes
Class NodeIterator

java.lang.Object
  org.dftproject.genesis.core.data.nodes.NodeIterator

All Implemented Interfaces:

java.util.Iterator<IResourceNode>

public class NodeIterator
extends java.lang.Object
implements java.util.Iterator<IResourceNode>

NodeIterator iterates over the contents of a resource set.

Constructor Summary

protected

NodeIterator(DataConnection conn, DataView view, java.sql.ResultSet rs, java.util.List<org.dftproject.genesis.core.data.nodes.QueryField> required, java.util.List<org.dftproject.genesis.core.data.nodes.QueryField> optional) Creates an iterator over a resource set.

Method Summary

void	close() Closes the underlying result set.
protected IResourceNode	fetchNext() Internal method used to fetch the next node.
boolean	hasNext()
IResourceNode	next()
void	remove() This operation is not supported.

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeIterator

protected NodeIterator(DataConnection conn,
                       DataView view,
                       java.sql.ResultSet rs,
                       java.util.List<org.dftproject.genesis.core.data.nodes.QueryField> required,
                       java.util.List<org.dftproject.genesis.core.data.nodes.QueryField> optional)

Creates an iterator over a resource set.

Parameters:

conn - a data connection

view - a view

rs - a JDBC result set

required - list of required fields

optional - list of optional fields

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<IResourceNode>

next

public IResourceNode next()

Specified by:

next in interface java.util.Iterator<IResourceNode>

fetchNext

protected IResourceNode fetchNext()

Internal method used to fetch the next node.

Returns:

the next node

remove

public void remove()

This operation is not supported.

Specified by:

remove in interface java.util.Iterator<IResourceNode>

See Also:

Iterator.remove()

close

public void close()

Closes the underlying result set.