Package org.aksw.commons.collections

Class ConvertingCollection<F,B,C extends Collection<B>>

java.lang.Object

java.util.AbstractCollection<F>

org.aksw.commons.collections.ConvertingCollection<F,B,C>

All Implemented Interfaces:

Iterable<F>, Collection<F>

Direct Known Subclasses:

ConvertingList, ConvertingSet, ObservableConvertingCollection

public class ConvertingCollection<F,B,C extends Collection<B>>
extends AbstractCollection<F>

Field Summary

Fields

Modifier and Type	Field	Description
protected C	backend
protected com.google.common.base.Converter<B,F>	converter

Constructor Summary

Constructors

Constructor	Description
ConvertingCollection(C backend, com.google.common.base.Converter<B,F> converter)

Method Summary

Modifier and Type	Method	Description
boolean	add(F value)
boolean	contains(Object o)
static <O> Stream<O>	convertRaw(Collection<?> c, com.google.common.base.Converter<?,O> converter)
static <F, B, C extends Collection<B>> Collection<F>	createSafe(Collection<B> backend, com.google.common.base.Converter<B,F> converter)	Wraps the backend with a guava filteredCollection that filters out items for which the converter raises an exception
C	getBackend()
Iterator<F>	iterator()
boolean	remove(Object o)
int	size()

Methods inherited from class java.util.AbstractCollection

addAll, clear, containsAll, isEmpty, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode, parallelStream, removeIf, spliterator, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Field Details

backend

protected C extends Collection<B> backend

converter

protected com.google.common.base.Converter<B,F> converter

Constructor Details

ConvertingCollection

public ConvertingCollection(C backend,
 com.google.common.base.Converter<B,F> converter)

Method Details

getBackend

public C getBackend()

add

public boolean add(F value)

Specified by:

add in interface Collection<F>

Overrides:

add in class AbstractCollection<F>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<F>

Overrides:

remove in class AbstractCollection<F>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<F>

Overrides:

contains in class AbstractCollection<F>

iterator

public Iterator<F> iterator()

Specified by:

iterator in interface Collection<F>

Specified by:

iterator in interface Iterable<F>

Specified by:

iterator in class AbstractCollection<F>

size

public int size()

Specified by:

size in interface Collection<F>

Specified by:

size in class AbstractCollection<F>

createSafe

public static <F,
B,
C extends Collection<B>>
Collection<F> createSafe(Collection<B> backend,
 com.google.common.base.Converter<B,F> converter)

Wraps the backend with a guava filteredCollection that filters out items for which the converter raises an exception

Type Parameters:

F -

B -

C -

Parameters:

backend -

converter -

Returns:

convertRaw

public static <O> Stream<O> convertRaw(Collection<?> c,
 com.google.common.base.Converter<?,O> converter)