/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.metadata;
import java.util.Iterator;
import java.util.NoSuchElementException;
import org.jboss.metadata.ejb.spec.ContainerTransactionMetaData;
import org.jboss.metadata.ejb.spec.ContainerTransactionsMetaData;
import org.jboss.metadata.ejb.spec.MethodsMetaData;
/**
* TransactionMethodMetaDataIterator.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 1.1 $
*/
@Deprecated
class TransactionMethodMetaDataIterator implements Iterator<MethodMetaData>
{
/** The delegate */
private Iterator<ContainerTransactionMetaData> delegate;
/** The current container transaction */
private ContainerTransactionMetaData transaction;
/** The methods */
private Iterator<org.jboss.metadata.ejb.spec.MethodMetaData> methods;
/**
* Create a new TransactionMethod iterator
*
* @param transactions the transactions
*/
public TransactionMethodMetaDataIterator(ContainerTransactionsMetaData transactions)
{
if (transactions == null)
return;
delegate = transactions.iterator();
bump();
}
public boolean hasNext()
{
if (delegate == null || methods == null)
return false;
return methods.hasNext();
}
public MethodMetaData next()
{
if (delegate == null || methods == null)
throw new NoSuchElementException("No next");
org.jboss.metadata.ejb.spec.MethodMetaData theMethod = methods.next();
TransactionMethodMetaData result = new TransactionMethodMetaData(transaction, theMethod);
if (methods.hasNext() == false)
bump();
return result;
}
public void remove()
{
throw new UnsupportedOperationException("remove");
}
/**
* Bump the iterators onto the next element
*/
private void bump()
{
while (delegate.hasNext())
{
transaction = delegate.next();
MethodsMetaData theMethods = transaction.getMethods();
if (theMethods != null && theMethods.isEmpty() == false)
{
methods = theMethods.iterator();
break;
}
}
}
}