Finder.Secondary (Relana 1.0 Test API)

java.lang.Object
- eu.simuline.util.Finder
- - eu.simuline.util.Finder.Secondary

Direct Known Subclasses:

Finder.PrintFilter

Enclosing class:

Finder
```
static class Finder.Secondary
extends Finder
```
A finder wrapping a Finder.Filter. Files are read from encl and are passed via next() iff they pass the filter filter.

Nested Class Summary
- Nested classes/interfaces inherited from class eu.simuline.util.Finder
  Finder.AndFilter, Finder.Callable, Finder.ExecFilter, Finder.ExecJavaFilter, Finder.Filter, Finder.NameFilter, Finder.NegFilter, Finder.OrFilter, Finder.Primary, Finder.PrintFilter, Finder.Secondary

Field Summary

Fields
Modifier and Type	Field	Description
`private Finder`	`encl`	The source finder from which the stream of files is read. **** this is superfluous if this is not static
`private Finder.Filter`	`filter`	The filter to be passed before a file is returned by `next()`.
`private File`	`next`	The next file to be returned by `next()` if any, i.e. if `hasNext()` returns `true`; otherwise this field is `null`.

Fields inherited from class eu.simuline.util.Finder
CAN_EXEC, CAN_READ, CAN_WRITE, EXEC_ARG, FALSE, IS_DIR, IS_FILE, TRUE

Constructor Summary

Constructors
Constructor	Description
`Secondary(Finder encl, Finder.Filter filter)`	Create a finder receiving a stream of files from `encl` and passing them further via `next()` if they pass the filter `filter`.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected File`	`getNext()`
`boolean`	`hasNext()`	Returns whether this Finder can emit another file.
`File`	`next()`	Returns the next file this finder can emit.
`protected void`	`updateNext()`

Methods inherited from class eu.simuline.util.Finder
add, and, exec, execFilter, execJava, execJavaFilter, main, name, nameFilter, not, or, path, print

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

- Field Detail
  - next
```
private File next
```
    The next file to be returned by next() if any, i.e. if hasNext() returns true; otherwise this field is null.
  - encl
```
private final Finder encl
```
    The source finder from which the stream of files is read. **** this is superfluous if this is not static
  - filter
```
private final Finder.Filter filter
```
    The filter to be passed before a file is returned by next().
- Constructor Detail
  - Secondary
```
Secondary(Finder encl,
          Finder.Filter filter)
```
    Create a finder receiving a stream of files from encl and passing them further via next() if they pass the filter filter.
- Method Detail
  - updateNext
```
protected void updateNext()
```
  - hasNext
```
public boolean hasNext()
```
    Description copied from class: Finder
    
    Returns whether this Finder can emit another file.
    
    Specified by:
    
    hasNext in class Finder
    
    See Also:
    
    Finder.next()
  - next
```
public File next()
```
    Description copied from class: Finder
    
    Returns the next file this finder can emit. This does not throw an exception iff Finder.hasNext() returns true.
    
    Specified by:
    
    next in class Finder
  - getNext
```
protected File getNext()
```