package org.apache.pig.backend.hadoop.executionengine.spark.converter;
import java.util.Iterator;
abstract class IteratorTransform<IN,OUT> implements Iterator<OUT> {
private Iterator<IN> delegate;
public IteratorTransform(Iterator<IN> delegate) {
super();
this.delegate = delegate;
}
@Override
public boolean hasNext() {
return delegate.hasNext();
}
@Override
public OUT next() {
return transform(delegate.next());
}
abstract protected OUT transform(IN next);
@Override
public void remove() {
delegate.remove();
}
}