93 |
|
* @author Josh Bloch |
94 |
|
* @author Neal Gafter |
95 |
|
* @version %I%, %G% |
96 |
< |
* @see Collection |
97 |
< |
* @see List |
98 |
< |
* @see LinkedList |
99 |
< |
* @see Vector |
96 |
> |
* @see Collection |
97 |
> |
* @see List |
98 |
> |
* @see LinkedList |
99 |
> |
* @see Vector |
100 |
|
* @since 1.2 |
101 |
|
*/ |
102 |
|
|
126 |
|
* is negative |
127 |
|
*/ |
128 |
|
public ArrayList(int initialCapacity) { |
129 |
< |
super(); |
129 |
> |
super(); |
130 |
|
if (initialCapacity < 0) |
131 |
|
throw new IllegalArgumentException("Illegal Capacity: "+ |
132 |
|
initialCapacity); |
133 |
< |
this.elementData = new Object[initialCapacity]; |
133 |
> |
this.elementData = new Object[initialCapacity]; |
134 |
|
} |
135 |
|
|
136 |
|
/** |
137 |
|
* Constructs an empty list with an initial capacity of ten. |
138 |
|
*/ |
139 |
|
public ArrayList() { |
140 |
< |
this(10); |
140 |
> |
this(10); |
141 |
|
} |
142 |
|
|
143 |
|
/** |
149 |
|
* @throws NullPointerException if the specified collection is null |
150 |
|
*/ |
151 |
|
public ArrayList(Collection<? extends E> c) { |
152 |
< |
elementData = c.toArray(); |
153 |
< |
size = elementData.length; |
154 |
< |
// c.toArray might (incorrectly) not return Object[] (see 6260652) |
155 |
< |
if (elementData.getClass() != Object[].class) |
156 |
< |
elementData = Arrays.copyOf(elementData, size, Object[].class); |
152 |
> |
elementData = c.toArray(); |
153 |
> |
size = elementData.length; |
154 |
> |
// c.toArray might (incorrectly) not return Object[] (see 6260652) |
155 |
> |
if (elementData.getClass() != Object[].class) |
156 |
> |
elementData = Arrays.copyOf(elementData, size, Object[].class); |
157 |
|
} |
158 |
|
|
159 |
|
/** |
162 |
|
* the storage of an <tt>ArrayList</tt> instance. |
163 |
|
*/ |
164 |
|
public void trimToSize() { |
165 |
< |
modCount++; |
166 |
< |
int oldCapacity = elementData.length; |
167 |
< |
if (size < oldCapacity) { |
165 |
> |
modCount++; |
166 |
> |
int oldCapacity = elementData.length; |
167 |
> |
if (size < oldCapacity) { |
168 |
|
elementData = Arrays.copyOf(elementData, size); |
169 |
< |
} |
169 |
> |
} |
170 |
|
} |
171 |
|
|
172 |
|
/** |
177 |
|
* @param minCapacity the desired minimum capacity |
178 |
|
*/ |
179 |
|
public void ensureCapacity(int minCapacity) { |
180 |
< |
modCount++; |
181 |
< |
int oldCapacity = elementData.length; |
182 |
< |
if (minCapacity > oldCapacity) { |
183 |
< |
Object oldData[] = elementData; |
184 |
< |
int newCapacity = (oldCapacity * 3)/2 + 1; |
185 |
< |
if (newCapacity < minCapacity) |
186 |
< |
newCapacity = minCapacity; |
180 |
> |
modCount++; |
181 |
> |
int oldCapacity = elementData.length; |
182 |
> |
if (minCapacity > oldCapacity) { |
183 |
> |
Object oldData[] = elementData; |
184 |
> |
int newCapacity = (oldCapacity * 3)/2 + 1; |
185 |
> |
if (newCapacity < minCapacity) |
186 |
> |
newCapacity = minCapacity; |
187 |
|
// minCapacity is usually close to size, so this is a win: |
188 |
|
elementData = Arrays.copyOf(elementData, newCapacity); |
189 |
< |
} |
189 |
> |
} |
190 |
|
} |
191 |
|
|
192 |
|
/** |
195 |
|
* @return the number of elements in this list |
196 |
|
*/ |
197 |
|
public int size() { |
198 |
< |
return size; |
198 |
> |
return size; |
199 |
|
} |
200 |
|
|
201 |
|
/** |
204 |
|
* @return <tt>true</tt> if this list contains no elements |
205 |
|
*/ |
206 |
|
public boolean isEmpty() { |
207 |
< |
return size == 0; |
207 |
> |
return size == 0; |
208 |
|
} |
209 |
|
|
210 |
|
/** |
217 |
|
* @return <tt>true</tt> if this list contains the specified element |
218 |
|
*/ |
219 |
|
public boolean contains(Object o) { |
220 |
< |
return indexOf(o) >= 0; |
220 |
> |
return indexOf(o) >= 0; |
221 |
|
} |
222 |
|
|
223 |
|
/** |
228 |
|
* or -1 if there is no such index. |
229 |
|
*/ |
230 |
|
public int indexOf(Object o) { |
231 |
< |
if (o == null) { |
232 |
< |
for (int i = 0; i < size; i++) |
233 |
< |
if (elementData[i]==null) |
234 |
< |
return i; |
235 |
< |
} else { |
236 |
< |
for (int i = 0; i < size; i++) |
237 |
< |
if (o.equals(elementData[i])) |
238 |
< |
return i; |
239 |
< |
} |
240 |
< |
return -1; |
231 |
> |
if (o == null) { |
232 |
> |
for (int i = 0; i < size; i++) |
233 |
> |
if (elementData[i]==null) |
234 |
> |
return i; |
235 |
> |
} else { |
236 |
> |
for (int i = 0; i < size; i++) |
237 |
> |
if (o.equals(elementData[i])) |
238 |
> |
return i; |
239 |
> |
} |
240 |
> |
return -1; |
241 |
|
} |
242 |
|
|
243 |
|
/** |
248 |
|
* or -1 if there is no such index. |
249 |
|
*/ |
250 |
|
public int lastIndexOf(Object o) { |
251 |
< |
if (o == null) { |
252 |
< |
for (int i = size-1; i >= 0; i--) |
253 |
< |
if (elementData[i]==null) |
254 |
< |
return i; |
255 |
< |
} else { |
256 |
< |
for (int i = size-1; i >= 0; i--) |
257 |
< |
if (o.equals(elementData[i])) |
258 |
< |
return i; |
259 |
< |
} |
260 |
< |
return -1; |
251 |
> |
if (o == null) { |
252 |
> |
for (int i = size-1; i >= 0; i--) |
253 |
> |
if (elementData[i]==null) |
254 |
> |
return i; |
255 |
> |
} else { |
256 |
> |
for (int i = size-1; i >= 0; i--) |
257 |
> |
if (o.equals(elementData[i])) |
258 |
> |
return i; |
259 |
> |
} |
260 |
> |
return -1; |
261 |
|
} |
262 |
|
|
263 |
|
/** |
267 |
|
* @return a clone of this <tt>ArrayList</tt> instance |
268 |
|
*/ |
269 |
|
public Object clone() { |
270 |
< |
try { |
271 |
< |
@SuppressWarnings("unchecked") |
272 |
< |
ArrayList<E> v = (ArrayList<E>) super.clone(); |
273 |
< |
v.elementData = Arrays.copyOf(elementData, size); |
274 |
< |
v.modCount = 0; |
275 |
< |
return v; |
276 |
< |
} catch (CloneNotSupportedException e) { |
277 |
< |
// this shouldn't happen, since we are Cloneable |
278 |
< |
throw new InternalError(); |
279 |
< |
} |
270 |
> |
try { |
271 |
> |
@SuppressWarnings("unchecked") |
272 |
> |
ArrayList<E> v = (ArrayList<E>) super.clone(); |
273 |
> |
v.elementData = Arrays.copyOf(elementData, size); |
274 |
> |
v.modCount = 0; |
275 |
> |
return v; |
276 |
> |
} catch (CloneNotSupportedException e) { |
277 |
> |
// this shouldn't happen, since we are Cloneable |
278 |
> |
throw new InternalError(); |
279 |
> |
} |
280 |
|
} |
281 |
|
|
282 |
|
/** |
326 |
|
if (a.length < size) |
327 |
|
// Make a new array of a's runtime type, but my contents: |
328 |
|
return (T[]) Arrays.copyOf(elementData, size, a.getClass()); |
329 |
< |
System.arraycopy(elementData, 0, a, 0, size); |
329 |
> |
System.arraycopy(elementData, 0, a, 0, size); |
330 |
|
if (a.length > size) |
331 |
|
a[size] = null; |
332 |
|
return a; |
336 |
|
|
337 |
|
@SuppressWarnings("unchecked") |
338 |
|
E elementData(int index) { |
339 |
< |
return (E) elementData[index]; |
339 |
> |
return (E) elementData[index]; |
340 |
|
} |
341 |
|
|
342 |
|
/** |
347 |
|
* @throws IndexOutOfBoundsException {@inheritDoc} |
348 |
|
*/ |
349 |
|
public E get(int index) { |
350 |
< |
rangeCheck(index); |
350 |
> |
rangeCheck(index); |
351 |
|
|
352 |
< |
return elementData(index); |
352 |
> |
return elementData(index); |
353 |
|
} |
354 |
|
|
355 |
|
/** |
362 |
|
* @throws IndexOutOfBoundsException {@inheritDoc} |
363 |
|
*/ |
364 |
|
public E set(int index, E element) { |
365 |
< |
rangeCheck(index); |
365 |
> |
rangeCheck(index); |
366 |
|
|
367 |
< |
E oldValue = elementData(index); |
368 |
< |
elementData[index] = element; |
369 |
< |
return oldValue; |
367 |
> |
E oldValue = elementData(index); |
368 |
> |
elementData[index] = element; |
369 |
> |
return oldValue; |
370 |
|
} |
371 |
|
|
372 |
|
/** |
376 |
|
* @return <tt>true</tt> (as specified by {@link Collection#add}) |
377 |
|
*/ |
378 |
|
public boolean add(E e) { |
379 |
< |
ensureCapacity(size + 1); // Increments modCount!! |
380 |
< |
elementData[size++] = e; |
381 |
< |
return true; |
379 |
> |
ensureCapacity(size + 1); // Increments modCount!! |
380 |
> |
elementData[size++] = e; |
381 |
> |
return true; |
382 |
|
} |
383 |
|
|
384 |
|
/** |
391 |
|
* @throws IndexOutOfBoundsException {@inheritDoc} |
392 |
|
*/ |
393 |
|
public void add(int index, E element) { |
394 |
< |
rangeCheckForAdd(index); |
394 |
> |
rangeCheckForAdd(index); |
395 |
|
|
396 |
< |
ensureCapacity(size+1); // Increments modCount!! |
397 |
< |
System.arraycopy(elementData, index, elementData, index + 1, |
398 |
< |
size - index); |
399 |
< |
elementData[index] = element; |
400 |
< |
size++; |
396 |
> |
ensureCapacity(size+1); // Increments modCount!! |
397 |
> |
System.arraycopy(elementData, index, elementData, index + 1, |
398 |
> |
size - index); |
399 |
> |
elementData[index] = element; |
400 |
> |
size++; |
401 |
|
} |
402 |
|
|
403 |
|
/** |
410 |
|
* @throws IndexOutOfBoundsException {@inheritDoc} |
411 |
|
*/ |
412 |
|
public E remove(int index) { |
413 |
< |
rangeCheck(index); |
413 |
> |
rangeCheck(index); |
414 |
|
|
415 |
< |
modCount++; |
416 |
< |
E oldValue = elementData(index); |
415 |
> |
modCount++; |
416 |
> |
E oldValue = elementData(index); |
417 |
|
|
418 |
< |
int numMoved = size - index - 1; |
419 |
< |
if (numMoved > 0) |
420 |
< |
System.arraycopy(elementData, index+1, elementData, index, |
421 |
< |
numMoved); |
422 |
< |
elementData[--size] = null; // Let gc do its work |
418 |
> |
int numMoved = size - index - 1; |
419 |
> |
if (numMoved > 0) |
420 |
> |
System.arraycopy(elementData, index+1, elementData, index, |
421 |
> |
numMoved); |
422 |
> |
elementData[--size] = null; // Let gc do its work |
423 |
|
|
424 |
< |
return oldValue; |
424 |
> |
return oldValue; |
425 |
|
} |
426 |
|
|
427 |
|
/** |
438 |
|
* @return <tt>true</tt> if this list contained the specified element |
439 |
|
*/ |
440 |
|
public boolean remove(Object o) { |
441 |
< |
if (o == null) { |
441 |
> |
if (o == null) { |
442 |
> |
for (int index = 0; index < size; index++) |
443 |
> |
if (elementData[index] == null) { |
444 |
> |
fastRemove(index); |
445 |
> |
return true; |
446 |
> |
} |
447 |
> |
} else { |
448 |
|
for (int index = 0; index < size; index++) |
449 |
< |
if (elementData[index] == null) { |
450 |
< |
fastRemove(index); |
451 |
< |
return true; |
452 |
< |
} |
447 |
< |
} else { |
448 |
< |
for (int index = 0; index < size; index++) |
449 |
< |
if (o.equals(elementData[index])) { |
450 |
< |
fastRemove(index); |
451 |
< |
return true; |
452 |
< |
} |
449 |
> |
if (o.equals(elementData[index])) { |
450 |
> |
fastRemove(index); |
451 |
> |
return true; |
452 |
> |
} |
453 |
|
} |
454 |
< |
return false; |
454 |
> |
return false; |
455 |
|
} |
456 |
|
|
457 |
|
/* |
472 |
|
* be empty after this call returns. |
473 |
|
*/ |
474 |
|
public void clear() { |
475 |
< |
modCount++; |
475 |
> |
modCount++; |
476 |
|
|
477 |
< |
// Let gc do its work |
478 |
< |
for (int i = 0; i < size; i++) |
479 |
< |
elementData[i] = null; |
477 |
> |
// Let gc do its work |
478 |
> |
for (int i = 0; i < size; i++) |
479 |
> |
elementData[i] = null; |
480 |
|
|
481 |
< |
size = 0; |
481 |
> |
size = 0; |
482 |
|
} |
483 |
|
|
484 |
|
/** |
495 |
|
* @throws NullPointerException if the specified collection is null |
496 |
|
*/ |
497 |
|
public boolean addAll(Collection<? extends E> c) { |
498 |
< |
Object[] a = c.toArray(); |
498 |
> |
Object[] a = c.toArray(); |
499 |
|
int numNew = a.length; |
500 |
< |
ensureCapacity(size + numNew); // Increments modCount |
500 |
> |
ensureCapacity(size + numNew); // Increments modCount |
501 |
|
System.arraycopy(a, 0, elementData, size, numNew); |
502 |
|
size += numNew; |
503 |
< |
return numNew != 0; |
503 |
> |
return numNew != 0; |
504 |
|
} |
505 |
|
|
506 |
|
/** |
519 |
|
* @throws NullPointerException if the specified collection is null |
520 |
|
*/ |
521 |
|
public boolean addAll(int index, Collection<? extends E> c) { |
522 |
< |
rangeCheckForAdd(index); |
522 |
> |
rangeCheckForAdd(index); |
523 |
|
|
524 |
< |
Object[] a = c.toArray(); |
525 |
< |
int numNew = a.length; |
526 |
< |
ensureCapacity(size + numNew); // Increments modCount |
527 |
< |
|
528 |
< |
int numMoved = size - index; |
529 |
< |
if (numMoved > 0) |
530 |
< |
System.arraycopy(elementData, index, elementData, index + numNew, |
531 |
< |
numMoved); |
524 |
> |
Object[] a = c.toArray(); |
525 |
> |
int numNew = a.length; |
526 |
> |
ensureCapacity(size + numNew); // Increments modCount |
527 |
> |
|
528 |
> |
int numMoved = size - index; |
529 |
> |
if (numMoved > 0) |
530 |
> |
System.arraycopy(elementData, index, elementData, index + numNew, |
531 |
> |
numMoved); |
532 |
|
|
533 |
|
System.arraycopy(a, 0, elementData, index, numNew); |
534 |
< |
size += numNew; |
535 |
< |
return numNew != 0; |
534 |
> |
size += numNew; |
535 |
> |
return numNew != 0; |
536 |
|
} |
537 |
|
|
538 |
|
/** |
550 |
|
* toIndex < fromIndex}) |
551 |
|
*/ |
552 |
|
protected void removeRange(int fromIndex, int toIndex) { |
553 |
< |
modCount++; |
554 |
< |
int numMoved = size - toIndex; |
553 |
> |
modCount++; |
554 |
> |
int numMoved = size - toIndex; |
555 |
|
System.arraycopy(elementData, toIndex, elementData, fromIndex, |
556 |
|
numMoved); |
557 |
|
|
558 |
< |
// Let gc do its work |
559 |
< |
int newSize = size - (toIndex-fromIndex); |
560 |
< |
while (size != newSize) |
561 |
< |
elementData[--size] = null; |
558 |
> |
// Let gc do its work |
559 |
> |
int newSize = size - (toIndex-fromIndex); |
560 |
> |
while (size != newSize) |
561 |
> |
elementData[--size] = null; |
562 |
|
} |
563 |
|
|
564 |
|
/** |
576 |
|
* A version of rangeCheck used by add and addAll. |
577 |
|
*/ |
578 |
|
private void rangeCheckForAdd(int index) { |
579 |
< |
if (index > size || index < 0) |
580 |
< |
throw new IndexOutOfBoundsException(outOfBoundsMsg(index)); |
579 |
> |
if (index > size || index < 0) |
580 |
> |
throw new IndexOutOfBoundsException(outOfBoundsMsg(index)); |
581 |
|
} |
582 |
|
|
583 |
|
/** |
586 |
|
* this "outlining" performs best with both server and client VMs. |
587 |
|
*/ |
588 |
|
private String outOfBoundsMsg(int index) { |
589 |
< |
return "Index: "+index+", Size: "+size; |
589 |
> |
return "Index: "+index+", Size: "+size; |
590 |
|
} |
591 |
|
|
592 |
|
/** |
603 |
|
* @see Collection#contains(Object) |
604 |
|
*/ |
605 |
|
public boolean removeAll(Collection<?> c) { |
606 |
< |
return batchRemove(c, false); |
606 |
> |
return batchRemove(c, false); |
607 |
|
} |
608 |
|
|
609 |
|
/** |
621 |
|
* @see Collection#contains(Object) |
622 |
|
*/ |
623 |
|
public boolean retainAll(Collection<?> c) { |
624 |
< |
return batchRemove(c, true); |
624 |
> |
return batchRemove(c, true); |
625 |
|
} |
626 |
|
|
627 |
|
private boolean batchRemove(Collection<?> c, boolean complement) { |
628 |
< |
final Object[] elementData = this.elementData; |
629 |
< |
int r = 0, w = 0; |
630 |
< |
boolean modified = false; |
631 |
< |
try { |
632 |
< |
for (; r < size; r++) |
633 |
< |
if (c.contains(elementData[r]) == complement) |
634 |
< |
elementData[w++] = elementData[r]; |
635 |
< |
} finally { |
636 |
< |
// Preserve behavioral compatibility with AbstractCollection, |
637 |
< |
// even if c.contains() throws. |
638 |
< |
if (r != size) { |
639 |
< |
System.arraycopy(elementData, r, |
640 |
< |
elementData, w, |
641 |
< |
size - r); |
642 |
< |
w += size - r; |
643 |
< |
} |
644 |
< |
if (w != size) { |
645 |
< |
for (int i = w; i < size; i++) |
646 |
< |
elementData[i] = null; |
647 |
< |
modCount += size - w; |
648 |
< |
size = w; |
649 |
< |
modified = true; |
650 |
< |
} |
651 |
< |
} |
652 |
< |
return modified; |
628 |
> |
final Object[] elementData = this.elementData; |
629 |
> |
int r = 0, w = 0; |
630 |
> |
boolean modified = false; |
631 |
> |
try { |
632 |
> |
for (; r < size; r++) |
633 |
> |
if (c.contains(elementData[r]) == complement) |
634 |
> |
elementData[w++] = elementData[r]; |
635 |
> |
} finally { |
636 |
> |
// Preserve behavioral compatibility with AbstractCollection, |
637 |
> |
// even if c.contains() throws. |
638 |
> |
if (r != size) { |
639 |
> |
System.arraycopy(elementData, r, |
640 |
> |
elementData, w, |
641 |
> |
size - r); |
642 |
> |
w += size - r; |
643 |
> |
} |
644 |
> |
if (w != size) { |
645 |
> |
for (int i = w; i < size; i++) |
646 |
> |
elementData[i] = null; |
647 |
> |
modCount += size - w; |
648 |
> |
size = w; |
649 |
> |
modified = true; |
650 |
> |
} |
651 |
> |
} |
652 |
> |
return modified; |
653 |
|
} |
654 |
|
|
655 |
|
/** |
662 |
|
*/ |
663 |
|
private void writeObject(java.io.ObjectOutputStream s) |
664 |
|
throws java.io.IOException{ |
665 |
< |
// Write out element count, and any hidden stuff |
666 |
< |
int expectedModCount = modCount; |
667 |
< |
s.defaultWriteObject(); |
665 |
> |
// Write out element count, and any hidden stuff |
666 |
> |
int expectedModCount = modCount; |
667 |
> |
s.defaultWriteObject(); |
668 |
|
|
669 |
|
// Write out array length |
670 |
|
s.writeInt(elementData.length); |
671 |
|
|
672 |
< |
// Write out all elements in the proper order. |
673 |
< |
for (int i=0; i<size; i++) |
672 |
> |
// Write out all elements in the proper order. |
673 |
> |
for (int i=0; i<size; i++) |
674 |
|
s.writeObject(elementData[i]); |
675 |
|
|
676 |
< |
if (modCount != expectedModCount) { |
676 |
> |
if (modCount != expectedModCount) { |
677 |
|
throw new ConcurrentModificationException(); |
678 |
|
} |
679 |
|
|
685 |
|
*/ |
686 |
|
private void readObject(java.io.ObjectInputStream s) |
687 |
|
throws java.io.IOException, ClassNotFoundException { |
688 |
< |
// Read in size, and any hidden stuff |
689 |
< |
s.defaultReadObject(); |
688 |
> |
// Read in size, and any hidden stuff |
689 |
> |
s.defaultReadObject(); |
690 |
|
|
691 |
|
// Read in array length and allocate array |
692 |
|
int arrayLength = s.readInt(); |
693 |
|
Object[] a = elementData = new Object[arrayLength]; |
694 |
|
|
695 |
< |
// Read in all elements in the proper order. |
696 |
< |
for (int i=0; i<size; i++) |
695 |
> |
// Read in all elements in the proper order. |
696 |
> |
for (int i=0; i<size; i++) |
697 |
|
a[i] = s.readObject(); |
698 |
|
} |
699 |
|
|
710 |
|
* @throws IndexOutOfBoundsException {@inheritDoc} |
711 |
|
*/ |
712 |
|
public ListIterator<E> listIterator(int index) { |
713 |
< |
if (index < 0 || index > size) |
713 |
> |
if (index < 0 || index > size) |
714 |
|
throw new IndexOutOfBoundsException("Index: "+index); |
715 |
< |
return new ListItr(index); |
715 |
> |
return new ListItr(index); |
716 |
|
} |
717 |
|
|
718 |
|
/** |
724 |
|
* @see #listIterator(int) |
725 |
|
*/ |
726 |
|
public ListIterator<E> listIterator() { |
727 |
< |
return new ListItr(0); |
727 |
> |
return new ListItr(0); |
728 |
|
} |
729 |
|
|
730 |
|
/** |
735 |
|
* @return an iterator over the elements in this list in proper sequence |
736 |
|
*/ |
737 |
|
public Iterator<E> iterator() { |
738 |
< |
return new Itr(); |
738 |
> |
return new Itr(); |
739 |
|
} |
740 |
|
|
741 |
|
/** |
742 |
|
* An optimized version of AbstractList.Itr |
743 |
|
*/ |
744 |
|
private class Itr implements Iterator<E> { |
745 |
< |
int cursor; // index of next element to return |
746 |
< |
int lastRet = -1; // index of last element returned; -1 if no such |
747 |
< |
int expectedModCount = modCount; |
745 |
> |
int cursor; // index of next element to return |
746 |
> |
int lastRet = -1; // index of last element returned; -1 if no such |
747 |
> |
int expectedModCount = modCount; |
748 |
|
|
749 |
< |
public boolean hasNext() { |
749 |
> |
public boolean hasNext() { |
750 |
|
return cursor != size; |
751 |
< |
} |
751 |
> |
} |
752 |
> |
|
753 |
> |
@SuppressWarnings("unchecked") |
754 |
> |
public E next() { |
755 |
> |
checkForComodification(); |
756 |
> |
int i = cursor; |
757 |
> |
if (i >= size) |
758 |
> |
throw new NoSuchElementException(); |
759 |
> |
Object[] elementData = ArrayList.this.elementData; |
760 |
> |
if (i >= elementData.length) |
761 |
> |
throw new ConcurrentModificationException(); |
762 |
> |
cursor = i + 1; |
763 |
> |
return (E) elementData[lastRet = i]; |
764 |
> |
} |
765 |
|
|
766 |
< |
@SuppressWarnings("unchecked") |
767 |
< |
public E next() { |
766 |
> |
public void remove() { |
767 |
> |
if (lastRet < 0) |
768 |
> |
throw new IllegalStateException(); |
769 |
|
checkForComodification(); |
770 |
< |
int i = cursor; |
771 |
< |
if (i >= size) |
772 |
< |
throw new NoSuchElementException(); |
773 |
< |
Object[] elementData = ArrayList.this.elementData; |
774 |
< |
if (i >= elementData.length) |
775 |
< |
throw new ConcurrentModificationException(); |
776 |
< |
cursor = i + 1; |
777 |
< |
return (E) elementData[lastRet = i]; |
778 |
< |
} |
779 |
< |
|
780 |
< |
public void remove() { |
781 |
< |
if (lastRet < 0) |
782 |
< |
throw new IllegalStateException(); |
783 |
< |
checkForComodification(); |
784 |
< |
|
771 |
< |
try { |
772 |
< |
ArrayList.this.remove(lastRet); |
773 |
< |
cursor = lastRet; |
774 |
< |
lastRet = -1; |
775 |
< |
expectedModCount = modCount; |
776 |
< |
} catch (IndexOutOfBoundsException ex) { |
777 |
< |
throw new ConcurrentModificationException(); |
778 |
< |
} |
779 |
< |
} |
780 |
< |
|
781 |
< |
final void checkForComodification() { |
782 |
< |
if (modCount != expectedModCount) |
783 |
< |
throw new ConcurrentModificationException(); |
784 |
< |
} |
770 |
> |
|
771 |
> |
try { |
772 |
> |
ArrayList.this.remove(lastRet); |
773 |
> |
cursor = lastRet; |
774 |
> |
lastRet = -1; |
775 |
> |
expectedModCount = modCount; |
776 |
> |
} catch (IndexOutOfBoundsException ex) { |
777 |
> |
throw new ConcurrentModificationException(); |
778 |
> |
} |
779 |
> |
} |
780 |
> |
|
781 |
> |
final void checkForComodification() { |
782 |
> |
if (modCount != expectedModCount) |
783 |
> |
throw new ConcurrentModificationException(); |
784 |
> |
} |
785 |
|
} |
786 |
|
|
787 |
|
/** |
788 |
|
* An optimized version of AbstractList.ListItr |
789 |
|
*/ |
790 |
|
private class ListItr extends Itr implements ListIterator<E> { |
791 |
< |
ListItr(int index) { |
792 |
< |
super(); |
793 |
< |
cursor = index; |
794 |
< |
} |
795 |
< |
|
796 |
< |
public boolean hasPrevious() { |
797 |
< |
return cursor != 0; |
798 |
< |
} |
799 |
< |
|
800 |
< |
public int nextIndex() { |
801 |
< |
return cursor; |
802 |
< |
} |
803 |
< |
|
804 |
< |
public int previousIndex() { |
805 |
< |
return cursor - 1; |
806 |
< |
} |
791 |
> |
ListItr(int index) { |
792 |
> |
super(); |
793 |
> |
cursor = index; |
794 |
> |
} |
795 |
> |
|
796 |
> |
public boolean hasPrevious() { |
797 |
> |
return cursor != 0; |
798 |
> |
} |
799 |
|
|
800 |
< |
@SuppressWarnings("unchecked") |
800 |
> |
public int nextIndex() { |
801 |
> |
return cursor; |
802 |
> |
} |
803 |
> |
|
804 |
> |
public int previousIndex() { |
805 |
> |
return cursor - 1; |
806 |
> |
} |
807 |
> |
|
808 |
> |
@SuppressWarnings("unchecked") |
809 |
|
public E previous() { |
810 |
< |
checkForComodification(); |
811 |
< |
int i = cursor - 1; |
812 |
< |
if (i < 0) |
813 |
< |
throw new NoSuchElementException(); |
814 |
< |
Object[] elementData = ArrayList.this.elementData; |
815 |
< |
if (i >= elementData.length) |
816 |
< |
throw new ConcurrentModificationException(); |
817 |
< |
cursor = i; |
818 |
< |
return (E) elementData[lastRet = i]; |
819 |
< |
} |
820 |
< |
|
821 |
< |
public void set(E e) { |
822 |
< |
if (lastRet < 0) |
823 |
< |
throw new IllegalStateException(); |
824 |
< |
checkForComodification(); |
825 |
< |
|
826 |
< |
try { |
827 |
< |
ArrayList.this.set(lastRet, e); |
828 |
< |
} catch (IndexOutOfBoundsException ex) { |
829 |
< |
throw new ConcurrentModificationException(); |
830 |
< |
} |
831 |
< |
} |
832 |
< |
|
833 |
< |
public void add(E e) { |
834 |
< |
checkForComodification(); |
835 |
< |
|
836 |
< |
try { |
837 |
< |
int i = cursor; |
838 |
< |
ArrayList.this.add(i, e); |
839 |
< |
cursor = i + 1; |
840 |
< |
lastRet = -1; |
841 |
< |
expectedModCount = modCount; |
842 |
< |
} catch (IndexOutOfBoundsException ex) { |
843 |
< |
throw new ConcurrentModificationException(); |
844 |
< |
} |
845 |
< |
} |
810 |
> |
checkForComodification(); |
811 |
> |
int i = cursor - 1; |
812 |
> |
if (i < 0) |
813 |
> |
throw new NoSuchElementException(); |
814 |
> |
Object[] elementData = ArrayList.this.elementData; |
815 |
> |
if (i >= elementData.length) |
816 |
> |
throw new ConcurrentModificationException(); |
817 |
> |
cursor = i; |
818 |
> |
return (E) elementData[lastRet = i]; |
819 |
> |
} |
820 |
> |
|
821 |
> |
public void set(E e) { |
822 |
> |
if (lastRet < 0) |
823 |
> |
throw new IllegalStateException(); |
824 |
> |
checkForComodification(); |
825 |
> |
|
826 |
> |
try { |
827 |
> |
ArrayList.this.set(lastRet, e); |
828 |
> |
} catch (IndexOutOfBoundsException ex) { |
829 |
> |
throw new ConcurrentModificationException(); |
830 |
> |
} |
831 |
> |
} |
832 |
> |
|
833 |
> |
public void add(E e) { |
834 |
> |
checkForComodification(); |
835 |
> |
|
836 |
> |
try { |
837 |
> |
int i = cursor; |
838 |
> |
ArrayList.this.add(i, e); |
839 |
> |
cursor = i + 1; |
840 |
> |
lastRet = -1; |
841 |
> |
expectedModCount = modCount; |
842 |
> |
} catch (IndexOutOfBoundsException ex) { |
843 |
> |
throw new ConcurrentModificationException(); |
844 |
> |
} |
845 |
> |
} |
846 |
|
} |
847 |
|
|
848 |
|
/** |
875 |
|
* @throws IllegalArgumentException {@inheritDoc} |
876 |
|
*/ |
877 |
|
public List<E> subList(int fromIndex, int toIndex) { |
878 |
< |
subListRangeCheck(fromIndex, toIndex, size); |
878 |
> |
subListRangeCheck(fromIndex, toIndex, size); |
879 |
|
return new SubList(this, 0, fromIndex, toIndex); |
880 |
|
} |
881 |
|
|
882 |
|
static void subListRangeCheck(int fromIndex, int toIndex, int size) { |
883 |
< |
if (fromIndex < 0) |
884 |
< |
throw new IndexOutOfBoundsException("fromIndex = " + fromIndex); |
885 |
< |
if (toIndex > size) |
886 |
< |
throw new IndexOutOfBoundsException("toIndex = " + toIndex); |
887 |
< |
if (fromIndex > toIndex) |
888 |
< |
throw new IllegalArgumentException("fromIndex(" + fromIndex + |
889 |
< |
") > toIndex(" + toIndex + ")"); |
883 |
> |
if (fromIndex < 0) |
884 |
> |
throw new IndexOutOfBoundsException("fromIndex = " + fromIndex); |
885 |
> |
if (toIndex > size) |
886 |
> |
throw new IndexOutOfBoundsException("toIndex = " + toIndex); |
887 |
> |
if (fromIndex > toIndex) |
888 |
> |
throw new IllegalArgumentException("fromIndex(" + fromIndex + |
889 |
> |
") > toIndex(" + toIndex + ")"); |
890 |
|
} |
891 |
|
|
892 |
|
private class SubList extends AbstractList<E> implements RandomAccess { |
893 |
< |
private final AbstractList<E> parent; |
894 |
< |
private final int parentOffset; |
895 |
< |
private final int offset; |
896 |
< |
private int size; |
897 |
< |
|
898 |
< |
SubList(AbstractList<E> parent, |
899 |
< |
int offset, int fromIndex, int toIndex) { |
900 |
< |
this.parent = parent; |
901 |
< |
this.parentOffset = fromIndex; |
902 |
< |
this.offset = offset + fromIndex; |
903 |
< |
this.size = toIndex - fromIndex; |
904 |
< |
this.modCount = ArrayList.this.modCount; |
905 |
< |
} |
906 |
< |
|
907 |
< |
public E set(int index, E e) { |
908 |
< |
rangeCheck(index); |
909 |
< |
checkForComodification(); |
910 |
< |
E oldValue = ArrayList.this.elementData(offset + index); |
911 |
< |
ArrayList.this.elementData[offset + index] = e; |
912 |
< |
return oldValue; |
913 |
< |
} |
914 |
< |
|
915 |
< |
public E get(int index) { |
916 |
< |
rangeCheck(index); |
917 |
< |
checkForComodification(); |
918 |
< |
return ArrayList.this.elementData(offset + index); |
919 |
< |
} |
920 |
< |
|
921 |
< |
public int size() { |
922 |
< |
checkForComodification(); |
923 |
< |
return this.size; |
924 |
< |
} |
925 |
< |
|
926 |
< |
public void add(int index, E e) { |
927 |
< |
rangeCheckForAdd(index); |
928 |
< |
checkForComodification(); |
929 |
< |
parent.add(parentOffset + index, e); |
930 |
< |
this.modCount = parent.modCount; |
931 |
< |
this.size++; |
932 |
< |
} |
933 |
< |
|
934 |
< |
public E remove(int index) { |
935 |
< |
rangeCheck(index); |
936 |
< |
checkForComodification(); |
937 |
< |
E result = parent.remove(parentOffset + index); |
938 |
< |
this.modCount = parent.modCount; |
939 |
< |
this.size--; |
940 |
< |
return result; |
941 |
< |
} |
942 |
< |
|
943 |
< |
protected void removeRange(int fromIndex, int toIndex) { |
944 |
< |
checkForComodification(); |
945 |
< |
parent.removeRange(parentOffset + fromIndex, |
946 |
< |
parentOffset + toIndex); |
947 |
< |
this.modCount = parent.modCount; |
948 |
< |
this.size -= toIndex - fromIndex; |
949 |
< |
} |
950 |
< |
|
951 |
< |
public boolean addAll(Collection<? extends E> c) { |
952 |
< |
return addAll(this.size, c); |
953 |
< |
} |
954 |
< |
|
955 |
< |
public boolean addAll(int index, Collection<? extends E> c) { |
956 |
< |
rangeCheckForAdd(index); |
957 |
< |
int cSize = c.size(); |
958 |
< |
if (cSize==0) |
959 |
< |
return false; |
960 |
< |
|
961 |
< |
checkForComodification(); |
962 |
< |
parent.addAll(parentOffset + index, c); |
963 |
< |
this.modCount = parent.modCount; |
964 |
< |
this.size += cSize; |
965 |
< |
return true; |
966 |
< |
} |
967 |
< |
|
968 |
< |
public Iterator<E> iterator() { |
969 |
< |
return listIterator(); |
970 |
< |
} |
971 |
< |
|
972 |
< |
public ListIterator<E> listIterator(final int index) { |
973 |
< |
checkForComodification(); |
974 |
< |
rangeCheckForAdd(index); |
975 |
< |
|
976 |
< |
return new ListIterator<E>() { |
977 |
< |
int cursor = index; |
978 |
< |
int lastRet = -1; |
979 |
< |
int expectedModCount = ArrayList.this.modCount; |
980 |
< |
|
981 |
< |
public boolean hasNext() { |
982 |
< |
return cursor != SubList.this.size; |
983 |
< |
} |
984 |
< |
|
985 |
< |
@SuppressWarnings("unchecked") |
986 |
< |
public E next() { |
987 |
< |
checkForComodification(); |
988 |
< |
int i = cursor; |
989 |
< |
if (i >= SubList.this.size) |
990 |
< |
throw new NoSuchElementException(); |
991 |
< |
Object[] elementData = ArrayList.this.elementData; |
992 |
< |
if (offset + i >= elementData.length) |
993 |
< |
throw new ConcurrentModificationException(); |
994 |
< |
cursor = i + 1; |
995 |
< |
return (E) elementData[offset + (lastRet = i)]; |
996 |
< |
} |
997 |
< |
|
998 |
< |
public boolean hasPrevious() { |
999 |
< |
return cursor != 0; |
1000 |
< |
} |
1001 |
< |
|
1002 |
< |
@SuppressWarnings("unchecked") |
1003 |
< |
public E previous() { |
1004 |
< |
checkForComodification(); |
1005 |
< |
int i = cursor - 1; |
1006 |
< |
if (i < 0) |
1007 |
< |
throw new NoSuchElementException(); |
1008 |
< |
Object[] elementData = ArrayList.this.elementData; |
1009 |
< |
if (offset + i >= elementData.length) |
1010 |
< |
throw new ConcurrentModificationException(); |
1011 |
< |
cursor = i; |
1012 |
< |
return (E) elementData[offset + (lastRet = i)]; |
1013 |
< |
} |
1014 |
< |
|
1015 |
< |
public int nextIndex() { |
1016 |
< |
return cursor; |
1017 |
< |
} |
1018 |
< |
|
1019 |
< |
public int previousIndex() { |
1020 |
< |
return cursor - 1; |
1021 |
< |
} |
1022 |
< |
|
1023 |
< |
public void remove() { |
1024 |
< |
if (lastRet < 0) |
1025 |
< |
throw new IllegalStateException(); |
1026 |
< |
checkForComodification(); |
1027 |
< |
|
1028 |
< |
try { |
1029 |
< |
SubList.this.remove(lastRet); |
1030 |
< |
cursor = lastRet; |
1031 |
< |
lastRet = -1; |
1032 |
< |
expectedModCount = ArrayList.this.modCount; |
1033 |
< |
} catch (IndexOutOfBoundsException ex) { |
1034 |
< |
throw new ConcurrentModificationException(); |
1035 |
< |
} |
1036 |
< |
} |
1037 |
< |
|
1038 |
< |
public void set(E e) { |
1039 |
< |
if (lastRet < 0) |
1040 |
< |
throw new IllegalStateException(); |
1041 |
< |
checkForComodification(); |
1042 |
< |
|
1043 |
< |
try { |
1044 |
< |
ArrayList.this.set(offset + lastRet, e); |
1045 |
< |
} catch (IndexOutOfBoundsException ex) { |
1046 |
< |
throw new ConcurrentModificationException(); |
1047 |
< |
} |
1048 |
< |
} |
1049 |
< |
|
1050 |
< |
public void add(E e) { |
1051 |
< |
checkForComodification(); |
1052 |
< |
|
1053 |
< |
try { |
1054 |
< |
int i = cursor; |
1055 |
< |
SubList.this.add(i, e); |
1056 |
< |
cursor = i + 1; |
1057 |
< |
lastRet = -1; |
1058 |
< |
expectedModCount = ArrayList.this.modCount; |
1059 |
< |
} catch (IndexOutOfBoundsException ex) { |
1060 |
< |
throw new ConcurrentModificationException(); |
1061 |
< |
} |
1062 |
< |
} |
1063 |
< |
|
1064 |
< |
final void checkForComodification() { |
1065 |
< |
if (expectedModCount != ArrayList.this.modCount) |
1066 |
< |
throw new ConcurrentModificationException(); |
1067 |
< |
} |
1068 |
< |
}; |
1069 |
< |
} |
1070 |
< |
|
1071 |
< |
public List<E> subList(int fromIndex, int toIndex) { |
1072 |
< |
subListRangeCheck(fromIndex, toIndex, size); |
1073 |
< |
return new SubList(this, offset, fromIndex, toIndex); |
1074 |
< |
} |
1075 |
< |
|
1076 |
< |
private void rangeCheck(int index) { |
1077 |
< |
if (index < 0 || index >= this.size) |
1078 |
< |
throw new IndexOutOfBoundsException(outOfBoundsMsg(index)); |
1079 |
< |
} |
1080 |
< |
|
1081 |
< |
private void rangeCheckForAdd(int index) { |
1082 |
< |
if (index < 0 || index > this.size) |
1083 |
< |
throw new IndexOutOfBoundsException(outOfBoundsMsg(index)); |
1084 |
< |
} |
1085 |
< |
|
1086 |
< |
private String outOfBoundsMsg(int index) { |
1087 |
< |
return "Index: "+index+", Size: "+this.size; |
1088 |
< |
} |
1089 |
< |
|
1090 |
< |
private void checkForComodification() { |
1091 |
< |
if (ArrayList.this.modCount != this.modCount) |
1092 |
< |
throw new ConcurrentModificationException(); |
1093 |
< |
} |
893 |
> |
private final AbstractList<E> parent; |
894 |
> |
private final int parentOffset; |
895 |
> |
private final int offset; |
896 |
> |
private int size; |
897 |
> |
|
898 |
> |
SubList(AbstractList<E> parent, |
899 |
> |
int offset, int fromIndex, int toIndex) { |
900 |
> |
this.parent = parent; |
901 |
> |
this.parentOffset = fromIndex; |
902 |
> |
this.offset = offset + fromIndex; |
903 |
> |
this.size = toIndex - fromIndex; |
904 |
> |
this.modCount = ArrayList.this.modCount; |
905 |
> |
} |
906 |
> |
|
907 |
> |
public E set(int index, E e) { |
908 |
> |
rangeCheck(index); |
909 |
> |
checkForComodification(); |
910 |
> |
E oldValue = ArrayList.this.elementData(offset + index); |
911 |
> |
ArrayList.this.elementData[offset + index] = e; |
912 |
> |
return oldValue; |
913 |
> |
} |
914 |
> |
|
915 |
> |
public E get(int index) { |
916 |
> |
rangeCheck(index); |
917 |
> |
checkForComodification(); |
918 |
> |
return ArrayList.this.elementData(offset + index); |
919 |
> |
} |
920 |
> |
|
921 |
> |
public int size() { |
922 |
> |
checkForComodification(); |
923 |
> |
return this.size; |
924 |
> |
} |
925 |
> |
|
926 |
> |
public void add(int index, E e) { |
927 |
> |
rangeCheckForAdd(index); |
928 |
> |
checkForComodification(); |
929 |
> |
parent.add(parentOffset + index, e); |
930 |
> |
this.modCount = parent.modCount; |
931 |
> |
this.size++; |
932 |
> |
} |
933 |
> |
|
934 |
> |
public E remove(int index) { |
935 |
> |
rangeCheck(index); |
936 |
> |
checkForComodification(); |
937 |
> |
E result = parent.remove(parentOffset + index); |
938 |
> |
this.modCount = parent.modCount; |
939 |
> |
this.size--; |
940 |
> |
return result; |
941 |
> |
} |
942 |
> |
|
943 |
> |
protected void removeRange(int fromIndex, int toIndex) { |
944 |
> |
checkForComodification(); |
945 |
> |
parent.removeRange(parentOffset + fromIndex, |
946 |
> |
parentOffset + toIndex); |
947 |
> |
this.modCount = parent.modCount; |
948 |
> |
this.size -= toIndex - fromIndex; |
949 |
> |
} |
950 |
> |
|
951 |
> |
public boolean addAll(Collection<? extends E> c) { |
952 |
> |
return addAll(this.size, c); |
953 |
> |
} |
954 |
> |
|
955 |
> |
public boolean addAll(int index, Collection<? extends E> c) { |
956 |
> |
rangeCheckForAdd(index); |
957 |
> |
int cSize = c.size(); |
958 |
> |
if (cSize==0) |
959 |
> |
return false; |
960 |
> |
|
961 |
> |
checkForComodification(); |
962 |
> |
parent.addAll(parentOffset + index, c); |
963 |
> |
this.modCount = parent.modCount; |
964 |
> |
this.size += cSize; |
965 |
> |
return true; |
966 |
> |
} |
967 |
> |
|
968 |
> |
public Iterator<E> iterator() { |
969 |
> |
return listIterator(); |
970 |
> |
} |
971 |
> |
|
972 |
> |
public ListIterator<E> listIterator(final int index) { |
973 |
> |
checkForComodification(); |
974 |
> |
rangeCheckForAdd(index); |
975 |
> |
|
976 |
> |
return new ListIterator<E>() { |
977 |
> |
int cursor = index; |
978 |
> |
int lastRet = -1; |
979 |
> |
int expectedModCount = ArrayList.this.modCount; |
980 |
> |
|
981 |
> |
public boolean hasNext() { |
982 |
> |
return cursor != SubList.this.size; |
983 |
> |
} |
984 |
> |
|
985 |
> |
@SuppressWarnings("unchecked") |
986 |
> |
public E next() { |
987 |
> |
checkForComodification(); |
988 |
> |
int i = cursor; |
989 |
> |
if (i >= SubList.this.size) |
990 |
> |
throw new NoSuchElementException(); |
991 |
> |
Object[] elementData = ArrayList.this.elementData; |
992 |
> |
if (offset + i >= elementData.length) |
993 |
> |
throw new ConcurrentModificationException(); |
994 |
> |
cursor = i + 1; |
995 |
> |
return (E) elementData[offset + (lastRet = i)]; |
996 |
> |
} |
997 |
> |
|
998 |
> |
public boolean hasPrevious() { |
999 |
> |
return cursor != 0; |
1000 |
> |
} |
1001 |
> |
|
1002 |
> |
@SuppressWarnings("unchecked") |
1003 |
> |
public E previous() { |
1004 |
> |
checkForComodification(); |
1005 |
> |
int i = cursor - 1; |
1006 |
> |
if (i < 0) |
1007 |
> |
throw new NoSuchElementException(); |
1008 |
> |
Object[] elementData = ArrayList.this.elementData; |
1009 |
> |
if (offset + i >= elementData.length) |
1010 |
> |
throw new ConcurrentModificationException(); |
1011 |
> |
cursor = i; |
1012 |
> |
return (E) elementData[offset + (lastRet = i)]; |
1013 |
> |
} |
1014 |
> |
|
1015 |
> |
public int nextIndex() { |
1016 |
> |
return cursor; |
1017 |
> |
} |
1018 |
> |
|
1019 |
> |
public int previousIndex() { |
1020 |
> |
return cursor - 1; |
1021 |
> |
} |
1022 |
> |
|
1023 |
> |
public void remove() { |
1024 |
> |
if (lastRet < 0) |
1025 |
> |
throw new IllegalStateException(); |
1026 |
> |
checkForComodification(); |
1027 |
> |
|
1028 |
> |
try { |
1029 |
> |
SubList.this.remove(lastRet); |
1030 |
> |
cursor = lastRet; |
1031 |
> |
lastRet = -1; |
1032 |
> |
expectedModCount = ArrayList.this.modCount; |
1033 |
> |
} catch (IndexOutOfBoundsException ex) { |
1034 |
> |
throw new ConcurrentModificationException(); |
1035 |
> |
} |
1036 |
> |
} |
1037 |
> |
|
1038 |
> |
public void set(E e) { |
1039 |
> |
if (lastRet < 0) |
1040 |
> |
throw new IllegalStateException(); |
1041 |
> |
checkForComodification(); |
1042 |
> |
|
1043 |
> |
try { |
1044 |
> |
ArrayList.this.set(offset + lastRet, e); |
1045 |
> |
} catch (IndexOutOfBoundsException ex) { |
1046 |
> |
throw new ConcurrentModificationException(); |
1047 |
> |
} |
1048 |
> |
} |
1049 |
> |
|
1050 |
> |
public void add(E e) { |
1051 |
> |
checkForComodification(); |
1052 |
> |
|
1053 |
> |
try { |
1054 |
> |
int i = cursor; |
1055 |
> |
SubList.this.add(i, e); |
1056 |
> |
cursor = i + 1; |
1057 |
> |
lastRet = -1; |
1058 |
> |
expectedModCount = ArrayList.this.modCount; |
1059 |
> |
} catch (IndexOutOfBoundsException ex) { |
1060 |
> |
throw new ConcurrentModificationException(); |
1061 |
> |
} |
1062 |
> |
} |
1063 |
> |
|
1064 |
> |
final void checkForComodification() { |
1065 |
> |
if (expectedModCount != ArrayList.this.modCount) |
1066 |
> |
throw new ConcurrentModificationException(); |
1067 |
> |
} |
1068 |
> |
}; |
1069 |
> |
} |
1070 |
> |
|
1071 |
> |
public List<E> subList(int fromIndex, int toIndex) { |
1072 |
> |
subListRangeCheck(fromIndex, toIndex, size); |
1073 |
> |
return new SubList(this, offset, fromIndex, toIndex); |
1074 |
> |
} |
1075 |
> |
|
1076 |
> |
private void rangeCheck(int index) { |
1077 |
> |
if (index < 0 || index >= this.size) |
1078 |
> |
throw new IndexOutOfBoundsException(outOfBoundsMsg(index)); |
1079 |
> |
} |
1080 |
> |
|
1081 |
> |
private void rangeCheckForAdd(int index) { |
1082 |
> |
if (index < 0 || index > this.size) |
1083 |
> |
throw new IndexOutOfBoundsException(outOfBoundsMsg(index)); |
1084 |
> |
} |
1085 |
> |
|
1086 |
> |
private String outOfBoundsMsg(int index) { |
1087 |
> |
return "Index: "+index+", Size: "+this.size; |
1088 |
> |
} |
1089 |
> |
|
1090 |
> |
private void checkForComodification() { |
1091 |
> |
if (ArrayList.this.modCount != this.modCount) |
1092 |
> |
throw new ConcurrentModificationException(); |
1093 |
> |
} |
1094 |
|
} |
1095 |
|
} |