com.mysema.query.collections
Class IteratorFactory

java.lang.Object
  com.mysema.query.collections.IteratorFactory

@Immutable
public class IteratorFactory
extends Object

IteratorFactory provides Iterator utilities

Version:

$Id$

Author:

tiwe

Constructor Summary

IteratorFactory(EvaluatorFactory evaluatorFactory)

Method Summary

<S> Iterator<S>	multiArgFilter(Iterator<S> source, List<Expr<?>> sources, EBoolean condition)
<S> Iterator<S>	singleArgFilter(Iterator<S> source, Evaluator<Boolean> ev)
<S> Iterator<S[]>	toArrayIterator(Iterator<S> source)
<S,T> Iterator<T>	transform(Iterator<S> source, List<Expr<?>> sources, Expr<T> projection)

Methods inherited from class java.lang.Object

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

Constructor Detail

IteratorFactory

public IteratorFactory(EvaluatorFactory evaluatorFactory)

Method Detail

multiArgFilter

public <S> Iterator<S> multiArgFilter(Iterator<S> source,
                                      List<Expr<?>> sources,
                                      EBoolean condition)

transform

public <S,T> Iterator<T> transform(Iterator<S> source,
                                   List<Expr<?>> sources,
                                   Expr<T> projection)

singleArgFilter

public <S> Iterator<S> singleArgFilter(Iterator<S> source,
                                       Evaluator<Boolean> ev)

toArrayIterator

public <S> Iterator<S[]> toArrayIterator(Iterator<S> source)