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java.lang.Objectorg.apache.commons.collections.primitives.AbstractShortCollection
org.apache.commons.collections.primitives.RandomAccessShortList
Abstract base class for ShortLists backed
by random access structures like arrays.
get(int)
and size(). Mutable subclasses
should also override set(int, short). Variably-sized
subclasses should also override add(int, short)
and removeElementAt(int). All other methods
have at least some base implementation derived from
these. Subclasses may choose to override these methods
to provide a more efficient implementation.
| Nested Class Summary | |
private static class |
RandomAccessShortList.ComodChecker
|
protected static class |
RandomAccessShortList.RandomAccessShortListIterator
|
protected static class |
RandomAccessShortList.RandomAccessShortSubList
|
| Field Summary | |
private int |
_modCount
|
| Constructor Summary | |
protected |
RandomAccessShortList()
Constructs an empty list. |
| Method Summary | |
void |
add(int index,
short element)
Unsupported in this implementation. |
boolean |
add(short element)
Appends the specified element to the end of me (optional operation). |
boolean |
addAll(int index,
ShortCollection collection)
Inserts all of the elements in the specified collection into me, at the specified position (optional operation). |
boolean |
equals(java.lang.Object that)
Returns true iff that is an ShortList
that contains the same elements in the same order as me. |
abstract short |
get(int index)
Returns the value of the element at the specified position within me. |
protected int |
getModCount()
Get my count of structural modifications. |
int |
hashCode()
Returns my hash code. |
protected void |
incrModCount()
Increment my count of structural modifications. |
int |
indexOf(short element)
Returns the index of the first occurrence of the specified element within me, or -1 if I do not contain
the element. |
ShortIterator |
iterator()
Returns an iterator over all my elements,
in the appropriate sequence. |
int |
lastIndexOf(short element)
Returns the index of the last occurrence of the specified element within me, or -1 if I do not contain the element. |
ShortListIterator |
listIterator()
Returns a bidirectional iterator
over all my elements, in the appropriate sequence. |
ShortListIterator |
listIterator(int index)
Returns a bidirectional iterator
over all my elements, in the appropriate sequence,
starting at the specified position. |
short |
removeElementAt(int index)
Unsupported in this implementation. |
short |
set(int index,
short element)
Unsupported in this implementation. |
abstract int |
size()
Returns the number of elements I contain. |
ShortList |
subList(int fromIndex,
int toIndex)
Returns a view of the elements within me between the specified fromIndex, inclusive, and toIndex, exclusive. |
java.lang.String |
toString()
|
| Methods inherited from class org.apache.commons.collections.primitives.AbstractShortCollection |
addAll, clear, contains, containsAll, isEmpty, removeAll, removeElement, retainAll, toArray, toArray |
| Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Methods inherited from interface org.apache.commons.collections.primitives.ShortCollection |
addAll, clear, contains, containsAll, isEmpty, removeAll, removeElement, retainAll, toArray, toArray |
| Field Detail |
private int _modCount
| Constructor Detail |
protected RandomAccessShortList()
| Method Detail |
public abstract short get(int index)
ShortList
get in interface ShortListindex - the index of the element to return
public abstract int size()
ShortCollection
size in interface ShortCollectionsize in class AbstractShortCollectionpublic short removeElementAt(int index)
removeElementAt in interface ShortListindex - the index of the element to remove
java.lang.UnsupportedOperationException - since this method is not supported
public short set(int index,
short element)
set in interface ShortListindex - the index of the element to changeelement - the value to be stored at the specified position
java.lang.UnsupportedOperationException - since this method is not supported
public void add(int index,
short element)
add in interface ShortListindex - the index at which to insert the elementelement - the value to insert
java.lang.UnsupportedOperationException - since this method is not supportedpublic boolean add(short element)
ShortListtrue
iff I changed as a result of this call.
If a collection refuses to add the specified
element for any reason other than that it already contains
the element, it must throw an exception (rather than
simply returning false). This preserves the invariant
that a collection always contains the specified element after
this call returns.
add in interface ShortListadd in class AbstractShortCollection
public boolean addAll(int index,
ShortCollection collection)
ShortListiterator.
addAll in interface ShortListindex - the index at which to insert the first element from
the specified collectioncollection - the ShortCollection of elements to add
true iff I changed as a result of this callpublic int indexOf(short element)
ShortList-1 if I do not contain
the element.
indexOf in interface ShortListelement - the element to search for
-1 if no such matching element can be foundpublic int lastIndexOf(short element)
ShortList
lastIndexOf in interface ShortListelement - the element to search for
-1 if no such matching element can be foundpublic ShortIterator iterator()
ShortListiterator over all my elements,
in the appropriate sequence.
iterator in interface ShortListiterator in class AbstractShortCollectionpublic ShortListIterator listIterator()
ShortListbidirectional iterator
over all my elements, in the appropriate sequence.
listIterator in interface ShortListpublic ShortListIterator listIterator(int index)
ShortListbidirectional iterator
over all my elements, in the appropriate sequence,
starting at the specified position. The
specified index indicates the first
element that would be returned by an initial
call to the
next
method. An initial call to the
previous
method would return the element with the specified
index minus one.
listIterator in interface ShortList
public ShortList subList(int fromIndex,
int toIndex)
ShortListShortList
is backed by me, so that any changes in
the returned list are reflected in me, and vice-versa.
The returned list supports all of the optional operations
that I support.
Note that when fromIndex == toIndex,
the returned list is initially empty, and when
fromIndex == 0 && toIndex == size()
the returned list is my "improper" sublist, containing all my elements.
The semantics of the returned list become undefined
if I am structurally modified in any way other than
via the returned list.
subList in interface ShortListfromIndex - the smallest index (inclusive) in me that appears in
the returned listtoIndex - the largest index (exclusive) in me that appears in the
returned list
public boolean equals(java.lang.Object that)
ShortListtrue iff that is an ShortList
that contains the same elements in the same order as me.
In other words, returns true iff that is
an ShortList that has the same size as me,
and for which the elements returned by its
iterator are equal (==) to
the corresponding elements within me.
(This contract ensures that this method works properly across
different implementations of the ShortList interface.)
equals in interface ShortListpublic int hashCode()
ShortListShortList is defined to be the
result of the following calculation:
int hash = 1;
for(ShortIterator iter = iterator(); iter.hasNext(); ) {
short value = iter.next();
hash = 31*hash + (int)(value ^ (value >>> 32));
}
This contract ensures that this method is consistent with
equals and with the
hashCode
method of a List of Shorts.
hashCode in interface ShortListpublic java.lang.String toString()
protected int getModCount()
protected void incrModCount()
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