/**
* Copyright 2004-2016 Riccardo Solmi. All rights reserved.
* This file is part of the Whole Platform.
*
* The Whole Platform 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 3 of the License, or
* (at your option) any later version.
*
* The Whole Platform 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 the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whole.lang.iterators;
import org.whole.lang.bindings.IBindingScope;
import org.whole.lang.bindings.NullScope;
import org.whole.lang.exceptions.IWholeRuntimeException;
import org.whole.lang.model.IEntity;
/**
* @author Riccardo Solmi
*/
public class FailureIterator<E extends IEntity> extends AbstractCloneableIterator<E> {
protected final Throwable failure;
protected FailureIterator(Throwable failure) {
this.failure = failure;
}
public void reset(IEntity entity) {
}
public IBindingScope lookaheadScope() {
return NullScope.instance;
}
public boolean hasNext() {
return true;
}
public E lookahead() {
throw IWholeRuntimeException.asWholeException(failure, getSourceEntity(), null);
}
public E next() {
throw IWholeRuntimeException.asWholeException(failure, getSourceEntity(), null);
}
public void prune() {
}
public void set(E entity) {
throw new IllegalStateException(failure);
}
public void add(E entity) {
throw new IllegalStateException(failure);
}
public void remove() {
throw new IllegalStateException(failure);
}
}