LazyCollection.FilterIterator

java.lang.Object
- org.eclipse.m2m.atl.emftvm.util.LazyCollection.ReadOnlyIterator<E>
- - org.eclipse.m2m.atl.emftvm.util.LazyCollection.CachingIterator
  - - org.eclipse.m2m.atl.emftvm.util.LazyCollection.FilterIterator

All Implemented Interfaces:

java.util.Iterator<E>

Direct Known Subclasses:

LazyCollection.RejectIterator, LazyCollection.SelectIterator

Enclosing class:

LazyCollection<E>
```
public abstract class LazyCollection.FilterIterator
extends LazyCollection.CachingIterator
```
LazyCollection.ReadOnlyIterator that filters elements from the underlying collection by evaluating a condition function on them.

Field Summary

Fields
Modifier and Type	Field	Description
`protected CodeBlock`	`condition`
`protected E`	`next`
`protected boolean`	`nextIncluded`
`protected boolean`	`nextSet`
`protected StackFrame`	`parentFrame`

Fields inherited from class org.eclipse.m2m.atl.emftvm.util.LazyCollection.CachingIterator
i, inner

Constructor Summary

Constructors
Constructor Description

FilterIterator(CodeBlock condition, StackFrame parentFrame)
Creates a LazyCollection.FilterIterator with condition.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`hasNext()`
`protected abstract boolean`	`include(E element)`	Checks whether to include
`E`	`next()`

Methods inherited from class org.eclipse.m2m.atl.emftvm.util.LazyCollection.CachingIterator
updateCache

Methods inherited from class org.eclipse.m2m.atl.emftvm.util.LazyCollection.ReadOnlyIterator
remove

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator
forEachRemaining

- Field Detail
  - condition
```
protected final CodeBlock condition
```
  - parentFrame
```
protected final StackFrame parentFrame
```
  - next
```
protected E next
```
  - nextSet
```
protected boolean nextSet
```
  - nextIncluded
```
protected boolean nextIncluded
```
- Constructor Detail
  - FilterIterator
```
public FilterIterator(CodeBlock condition,
                      StackFrame parentFrame)
```
    Creates a LazyCollection.FilterIterator with condition.
    
    Parameters:
    
    condition - the condition function
    
    parentFrame - the parent stack frame context
- Method Detail
  - include
```
protected abstract boolean include(E element)
```
    Checks whether to include
    element
    .
    Parameters:
    
    element - the element to filter
    
    Returns:
    
    true iff element should be included in this collection
  - hasNext
```
public boolean hasNext()
```
    Specified by:
    
    hasNext in interface java.util.Iterator<E>
    
    Overrides:
    
    hasNext in class LazyCollection.CachingIterator
  - next
```
public E next()
```
    Specified by:
    
    next in interface java.util.Iterator<E>
    
    Overrides:
    
    next in class LazyCollection.CachingIterator