MappedReader

java.lang.Object
- org.ojalgo.netio.MappedReader<IN,OUT>

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.lang.Iterable<OUT>, FromFileReader<OUT>
```
final class MappedReader<IN,OUT>
extends java.lang.Object
implements FromFileReader<OUT>
```

Nested Class Summary
- Nested classes/interfaces inherited from interface org.ojalgo.netio.FromFileReader
  FromFileReader.Builder<F>

Field Summary

Fields
Modifier and Type	Field	Description
`private java.util.function.Predicate<IN>`	`myFilter`
`private java.util.function.Function<IN,OUT>`	`myMapper`
`private FromFileReader<IN>`	`myReader`

Constructor Summary

Constructors
Constructor	Description
`MappedReader(FromFileReader<IN> supplier, java.util.function.Function<IN,OUT> mapper)`
`MappedReader(FromFileReader<IN> reader, java.util.function.Predicate<IN> filter, java.util.function.Function<IN,OUT> mapper)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

void close()

OUT read()
Returning null indicates that there are no more items to read.
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface org.ojalgo.netio.FromFileReader
  drainTo, forEachInBacthes, iterator, map, stream
- Methods inherited from interface java.lang.Iterable
  forEach, spliterator

- Field Detail
  - myFilter
```
private final java.util.function.Predicate<IN> myFilter
```
  - myMapper
```
private final java.util.function.Function<IN,OUT> myMapper
```
  - myReader
```
private final FromFileReader<IN> myReader
```
- Constructor Detail
  - MappedReader
```
MappedReader(FromFileReader<IN> supplier,
             java.util.function.Function<IN,OUT> mapper)
```
  - MappedReader
```
MappedReader(FromFileReader<IN> reader,
             java.util.function.Predicate<IN> filter,
             java.util.function.Function<IN,OUT> mapper)
```
- Method Detail
  - close
```
public void close()
           throws java.io.IOException
```
    Specified by:
    
    close in interface java.lang.AutoCloseable
    
    Specified by:
    
    close in interface java.io.Closeable
    
    Specified by:
    
    close in interface FromFileReader<IN>
    
    Throws:
    
    java.io.IOException
  - read
```
public OUT read()
```
    Description copied from interface: FromFileReader
    
    Returning null indicates that there are no more items to read. That's the same behaviour as BufferedReader.readLine(). All implementations must return null precisely once.
    
    Specified by:
    
    read in interface FromFileReader<IN>