org.aksw.commons.collections.cache

Class CacheImpl<T>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<T>

org.aksw.commons.collections.cache.CacheImpl<T>

Type Parameters:

T -

All Implemented Interfaces:

AutoCloseable, Iterable<T>, Collection<T>, List<T>, Cache<T>

Direct Known Subclasses:

StreamBackedList

public class CacheImpl<T>
extends AbstractList<T>
implements Cache<T>

An iterable that caches (possibly computed) items returned from an underlying iterator, such that subsequent iterations run from the cache. Useful for constructing cartesian products on-demand

Author:

raven

Field Summary

Fields

Modifier and Type	Field and Description
protected List<T>	data

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
CacheImpl(List<T> data)

Method Summary

Modifier and Type	Method and Description
boolean	add(T e)
void	close()
T	get(int index) A call to get blocks until the cache is complete
int	getCurrentSize() Size returns the current number of items in the cache
List<T>	getData()
boolean	isAbandoned()
boolean	isComplete()
Iterator<T>	iterator()
void	setAbandoned()
void	setAbandoned(boolean isAbandoned)
void	setComplete()
void	setComplete(boolean status)
int	size()

Methods inherited from class java.util.AbstractList

add, addAll, clear, equals, hashCode, indexOf, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

add, addAll, addAll, clear, contains, containsAll, equals, hashCode, indexOf, isEmpty, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, replaceAll, retainAll, set, sort, spliterator, subList, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Field Detail

data

protected List<T> data

Constructor Detail

CacheImpl

public CacheImpl(List<T> data)

Method Detail

getData

public List<T> getData()

isComplete

public boolean isComplete()

Specified by:

isComplete in interface Cache<T>

setComplete

public void setComplete(boolean status)

isAbandoned

public boolean isAbandoned()

Specified by:

isAbandoned in interface Cache<T>

setAbandoned

public void setAbandoned(boolean isAbandoned)

add

public boolean add(T e)

Specified by:

add in interface Collection<T>

Specified by:

add in interface List<T>

Overrides:

add in class AbstractList<T>

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

Specified by:

iterator in interface Collection<T>

Specified by:

iterator in interface List<T>

Overrides:

iterator in class AbstractList<T>

size

public int size()

Specified by:

size in interface Collection<T>

Specified by:

size in interface List<T>

Specified by:

size in class AbstractCollection<T>

getCurrentSize

public int getCurrentSize()

Size returns the current number of items in the cache

Specified by:

getCurrentSize in interface Cache<T>

setComplete

public void setComplete()

Specified by:

setComplete in interface Cache<T>

setAbandoned

public void setAbandoned()

Specified by:

setAbandoned in interface Cache<T>

get

public T get(int index)

A call to get blocks until the cache is complete

Specified by:

get in interface List<T>

Specified by:

get in class AbstractList<T>

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception