T - the type of items in the datasetpublic class ListBackedDataset<T> extends Object implements ListDataset<T>
ListBackedDataset is a Dataset backed by an ordered list of
items. For convenience, the dataset is itself presented as as list.| Constructor and Description |
|---|
ListBackedDataset()
Construct with the an empty
ArrayList as the backing store. |
ListBackedDataset(Iterable<T> iterator)
Construct by consuming the contents of the given iterator into the
backing list.
|
ListBackedDataset(List<T> backingList)
Construct with the given list of items.
|
| Modifier and Type | Method and Description |
|---|---|
void |
add(int index,
T element) |
boolean |
add(T e) |
boolean |
addAll(Collection<? extends T> c) |
boolean |
addAll(int index,
Collection<? extends T> c) |
void |
clear() |
boolean |
contains(Object o) |
boolean |
containsAll(Collection<?> c) |
T |
get(int index) |
T |
getInstance(int i)
Returns the instance at the specified position in this dataset.
|
List<T> |
getList()
Get the underlying list backing this dataset
|
T |
getRandomInstance() |
int |
indexOf(Object o) |
boolean |
isEmpty() |
Iterator<T> |
iterator() |
int |
lastIndexOf(Object o) |
ListIterator<T> |
listIterator() |
ListIterator<T> |
listIterator(int index) |
int |
numInstances()
Returns the number of instances in this dataset.
|
T |
remove(int index) |
boolean |
remove(Object o) |
boolean |
removeAll(Collection<?> c) |
boolean |
retainAll(Collection<?> c) |
T |
set(int index,
T element) |
int |
size() |
List<T> |
subList(int fromIndex,
int toIndex) |
Object[] |
toArray() |
<V> V[] |
toArray(V[] a) |
String |
toString() |
public ListBackedDataset()
ArrayList as the backing store.public ListBackedDataset(List<T> backingList)
backingList - the backing listpublic ListBackedDataset(Iterable<T> iterator)
Obviously this method could cause problems if the number of items in the iterator is very large, as memory could be exhausted. Care should be taken.
iterator - the data to readpublic T getRandomInstance()
getRandomInstance in interface Dataset<T>public final int size()
public int numInstances()
DatasetnumInstances in interface Dataset<T>public T getInstance(int i)
ListDatasetgetInstance in interface ListDataset<T>i - index of the instance to returnpublic List<T> getList()
public boolean isEmpty()
public <V> V[] toArray(V[] a)
public boolean containsAll(Collection<?> c)
containsAll in interface Collection<T>containsAll in interface List<T>public boolean addAll(Collection<? extends T> c)
public boolean addAll(int index, Collection<? extends T> c)
public boolean removeAll(Collection<?> c)
public boolean retainAll(Collection<?> c)
public void clear()
public int lastIndexOf(Object o)
lastIndexOf in interface List<T>public ListIterator<T> listIterator()
listIterator in interface List<T>public ListIterator<T> listIterator(int index)
listIterator in interface List<T>