125 |
|
* is negative |
126 |
|
*/ |
127 |
|
public Vector(int initialCapacity, int capacityIncrement) { |
128 |
< |
super(); |
128 |
> |
super(); |
129 |
|
if (initialCapacity < 0) |
130 |
|
throw new IllegalArgumentException("Illegal Capacity: "+ |
131 |
|
initialCapacity); |
132 |
< |
this.elementData = new Object[initialCapacity]; |
133 |
< |
this.capacityIncrement = capacityIncrement; |
132 |
> |
this.elementData = new Object[initialCapacity]; |
133 |
> |
this.capacityIncrement = capacityIncrement; |
134 |
|
} |
135 |
|
|
136 |
|
/** |
142 |
|
* is negative |
143 |
|
*/ |
144 |
|
public Vector(int initialCapacity) { |
145 |
< |
this(initialCapacity, 0); |
145 |
> |
this(initialCapacity, 0); |
146 |
|
} |
147 |
|
|
148 |
|
/** |
151 |
|
* zero. |
152 |
|
*/ |
153 |
|
public Vector() { |
154 |
< |
this(10); |
154 |
> |
this(10); |
155 |
|
} |
156 |
|
|
157 |
|
/** |
165 |
|
* @since 1.2 |
166 |
|
*/ |
167 |
|
public Vector(Collection<? extends E> c) { |
168 |
< |
elementData = c.toArray(); |
169 |
< |
elementCount = elementData.length; |
170 |
< |
// c.toArray might (incorrectly) not return Object[] (see 6260652) |
171 |
< |
if (elementData.getClass() != Object[].class) |
172 |
< |
elementData = Arrays.copyOf(elementData, elementCount, Object[].class); |
168 |
> |
elementData = c.toArray(); |
169 |
> |
elementCount = elementData.length; |
170 |
> |
// c.toArray might (incorrectly) not return Object[] (see 6260652) |
171 |
> |
if (elementData.getClass() != Object[].class) |
172 |
> |
elementData = Arrays.copyOf(elementData, elementCount, Object[].class); |
173 |
|
} |
174 |
|
|
175 |
|
/** |
186 |
|
* @see #toArray(Object[]) |
187 |
|
*/ |
188 |
|
public synchronized void copyInto(Object[] anArray) { |
189 |
< |
System.arraycopy(elementData, 0, anArray, 0, elementCount); |
189 |
> |
System.arraycopy(elementData, 0, anArray, 0, elementCount); |
190 |
|
} |
191 |
|
|
192 |
|
/** |
198 |
|
* minimize the storage of a vector. |
199 |
|
*/ |
200 |
|
public synchronized void trimToSize() { |
201 |
< |
modCount++; |
202 |
< |
int oldCapacity = elementData.length; |
203 |
< |
if (elementCount < oldCapacity) { |
201 |
> |
modCount++; |
202 |
> |
int oldCapacity = elementData.length; |
203 |
> |
if (elementCount < oldCapacity) { |
204 |
|
elementData = Arrays.copyOf(elementData, elementCount); |
205 |
< |
} |
205 |
> |
} |
206 |
|
} |
207 |
|
|
208 |
|
/** |
223 |
|
* @param minCapacity the desired minimum capacity |
224 |
|
*/ |
225 |
|
public synchronized void ensureCapacity(int minCapacity) { |
226 |
< |
modCount++; |
227 |
< |
ensureCapacityHelper(minCapacity); |
226 |
> |
modCount++; |
227 |
> |
ensureCapacityHelper(minCapacity); |
228 |
|
} |
229 |
|
|
230 |
|
/** |
236 |
|
* @see #ensureCapacity(int) |
237 |
|
*/ |
238 |
|
private void ensureCapacityHelper(int minCapacity) { |
239 |
< |
int oldCapacity = elementData.length; |
240 |
< |
if (minCapacity > oldCapacity) { |
241 |
< |
Object[] oldData = elementData; |
242 |
< |
int newCapacity = (capacityIncrement > 0) ? |
243 |
< |
(oldCapacity + capacityIncrement) : (oldCapacity * 2); |
244 |
< |
if (newCapacity < minCapacity) { |
245 |
< |
newCapacity = minCapacity; |
246 |
< |
} |
239 |
> |
int oldCapacity = elementData.length; |
240 |
> |
if (minCapacity > oldCapacity) { |
241 |
> |
Object[] oldData = elementData; |
242 |
> |
int newCapacity = (capacityIncrement > 0) ? |
243 |
> |
(oldCapacity + capacityIncrement) : (oldCapacity * 2); |
244 |
> |
if (newCapacity < minCapacity) { |
245 |
> |
newCapacity = minCapacity; |
246 |
> |
} |
247 |
|
elementData = Arrays.copyOf(elementData, newCapacity); |
248 |
< |
} |
248 |
> |
} |
249 |
|
} |
250 |
|
|
251 |
|
/** |
258 |
|
* @throws ArrayIndexOutOfBoundsException if the new size is negative |
259 |
|
*/ |
260 |
|
public synchronized void setSize(int newSize) { |
261 |
< |
modCount++; |
262 |
< |
if (newSize > elementCount) { |
263 |
< |
ensureCapacityHelper(newSize); |
264 |
< |
} else { |
265 |
< |
for (int i = newSize ; i < elementCount ; i++) { |
266 |
< |
elementData[i] = null; |
267 |
< |
} |
268 |
< |
} |
269 |
< |
elementCount = newSize; |
261 |
> |
modCount++; |
262 |
> |
if (newSize > elementCount) { |
263 |
> |
ensureCapacityHelper(newSize); |
264 |
> |
} else { |
265 |
> |
for (int i = newSize ; i < elementCount ; i++) { |
266 |
> |
elementData[i] = null; |
267 |
> |
} |
268 |
> |
} |
269 |
> |
elementCount = newSize; |
270 |
|
} |
271 |
|
|
272 |
|
/** |
277 |
|
* of this vector) |
278 |
|
*/ |
279 |
|
public synchronized int capacity() { |
280 |
< |
return elementData.length; |
280 |
> |
return elementData.length; |
281 |
|
} |
282 |
|
|
283 |
|
/** |
286 |
|
* @return the number of components in this vector |
287 |
|
*/ |
288 |
|
public synchronized int size() { |
289 |
< |
return elementCount; |
289 |
> |
return elementCount; |
290 |
|
} |
291 |
|
|
292 |
|
/** |
297 |
|
* {@code false} otherwise. |
298 |
|
*/ |
299 |
|
public synchronized boolean isEmpty() { |
300 |
< |
return elementCount == 0; |
300 |
> |
return elementCount == 0; |
301 |
|
} |
302 |
|
|
303 |
|
/** |
310 |
|
* @see Iterator |
311 |
|
*/ |
312 |
|
public Enumeration<E> elements() { |
313 |
< |
return new Enumeration<E>() { |
314 |
< |
int count = 0; |
313 |
> |
return new Enumeration<E>() { |
314 |
> |
int count = 0; |
315 |
|
|
316 |
< |
public boolean hasMoreElements() { |
317 |
< |
return count < elementCount; |
318 |
< |
} |
319 |
< |
|
320 |
< |
public E nextElement() { |
321 |
< |
synchronized (Vector.this) { |
322 |
< |
if (count < elementCount) { |
323 |
< |
return elementData(count++); |
324 |
< |
} |
325 |
< |
} |
326 |
< |
throw new NoSuchElementException("Vector Enumeration"); |
327 |
< |
} |
328 |
< |
}; |
316 |
> |
public boolean hasMoreElements() { |
317 |
> |
return count < elementCount; |
318 |
> |
} |
319 |
> |
|
320 |
> |
public E nextElement() { |
321 |
> |
synchronized (Vector.this) { |
322 |
> |
if (count < elementCount) { |
323 |
> |
return elementData(count++); |
324 |
> |
} |
325 |
> |
} |
326 |
> |
throw new NoSuchElementException("Vector Enumeration"); |
327 |
> |
} |
328 |
> |
}; |
329 |
|
} |
330 |
|
|
331 |
|
/** |
338 |
|
* @return {@code true} if this vector contains the specified element |
339 |
|
*/ |
340 |
|
public boolean contains(Object o) { |
341 |
< |
return indexOf(o, 0) >= 0; |
341 |
> |
return indexOf(o, 0) >= 0; |
342 |
|
} |
343 |
|
|
344 |
|
/** |
353 |
|
* this vector, or -1 if this vector does not contain the element |
354 |
|
*/ |
355 |
|
public int indexOf(Object o) { |
356 |
< |
return indexOf(o, 0); |
356 |
> |
return indexOf(o, 0); |
357 |
|
} |
358 |
|
|
359 |
|
/** |
373 |
|
* @see Object#equals(Object) |
374 |
|
*/ |
375 |
|
public synchronized int indexOf(Object o, int index) { |
376 |
< |
if (o == null) { |
377 |
< |
for (int i = index ; i < elementCount ; i++) |
378 |
< |
if (elementData[i]==null) |
379 |
< |
return i; |
380 |
< |
} else { |
381 |
< |
for (int i = index ; i < elementCount ; i++) |
382 |
< |
if (o.equals(elementData[i])) |
383 |
< |
return i; |
384 |
< |
} |
385 |
< |
return -1; |
376 |
> |
if (o == null) { |
377 |
> |
for (int i = index ; i < elementCount ; i++) |
378 |
> |
if (elementData[i]==null) |
379 |
> |
return i; |
380 |
> |
} else { |
381 |
> |
for (int i = index ; i < elementCount ; i++) |
382 |
> |
if (o.equals(elementData[i])) |
383 |
> |
return i; |
384 |
> |
} |
385 |
> |
return -1; |
386 |
|
} |
387 |
|
|
388 |
|
/** |
397 |
|
* this vector, or -1 if this vector does not contain the element |
398 |
|
*/ |
399 |
|
public synchronized int lastIndexOf(Object o) { |
400 |
< |
return lastIndexOf(o, elementCount-1); |
400 |
> |
return lastIndexOf(o, elementCount-1); |
401 |
|
} |
402 |
|
|
403 |
|
/** |
420 |
|
if (index >= elementCount) |
421 |
|
throw new IndexOutOfBoundsException(index + " >= "+ elementCount); |
422 |
|
|
423 |
< |
if (o == null) { |
424 |
< |
for (int i = index; i >= 0; i--) |
425 |
< |
if (elementData[i]==null) |
426 |
< |
return i; |
427 |
< |
} else { |
428 |
< |
for (int i = index; i >= 0; i--) |
429 |
< |
if (o.equals(elementData[i])) |
430 |
< |
return i; |
431 |
< |
} |
432 |
< |
return -1; |
423 |
> |
if (o == null) { |
424 |
> |
for (int i = index; i >= 0; i--) |
425 |
> |
if (elementData[i]==null) |
426 |
> |
return i; |
427 |
> |
} else { |
428 |
> |
for (int i = index; i >= 0; i--) |
429 |
> |
if (o.equals(elementData[i])) |
430 |
> |
return i; |
431 |
> |
} |
432 |
> |
return -1; |
433 |
|
} |
434 |
|
|
435 |
|
/** |
441 |
|
* @param index an index into this vector |
442 |
|
* @return the component at the specified index |
443 |
|
* @throws ArrayIndexOutOfBoundsException if the index is out of range |
444 |
< |
* ({@code index < 0 || index >= size()}) |
444 |
> |
* ({@code index < 0 || index >= size()}) |
445 |
|
*/ |
446 |
|
public synchronized E elementAt(int index) { |
447 |
< |
if (index >= elementCount) { |
448 |
< |
throw new ArrayIndexOutOfBoundsException(index + " >= " + elementCount); |
449 |
< |
} |
447 |
> |
if (index >= elementCount) { |
448 |
> |
throw new ArrayIndexOutOfBoundsException(index + " >= " + elementCount); |
449 |
> |
} |
450 |
|
|
451 |
|
return elementData(index); |
452 |
|
} |
459 |
|
* @throws NoSuchElementException if this vector has no components |
460 |
|
*/ |
461 |
|
public synchronized E firstElement() { |
462 |
< |
if (elementCount == 0) { |
463 |
< |
throw new NoSuchElementException(); |
464 |
< |
} |
465 |
< |
return elementData(0); |
462 |
> |
if (elementCount == 0) { |
463 |
> |
throw new NoSuchElementException(); |
464 |
> |
} |
465 |
> |
return elementData(0); |
466 |
|
} |
467 |
|
|
468 |
|
/** |
473 |
|
* @throws NoSuchElementException if this vector is empty |
474 |
|
*/ |
475 |
|
public synchronized E lastElement() { |
476 |
< |
if (elementCount == 0) { |
477 |
< |
throw new NoSuchElementException(); |
478 |
< |
} |
479 |
< |
return elementData(elementCount - 1); |
476 |
> |
if (elementCount == 0) { |
477 |
> |
throw new NoSuchElementException(); |
478 |
> |
} |
479 |
> |
return elementData(elementCount - 1); |
480 |
|
} |
481 |
|
|
482 |
|
/** |
497 |
|
* @param obj what the component is to be set to |
498 |
|
* @param index the specified index |
499 |
|
* @throws ArrayIndexOutOfBoundsException if the index is out of range |
500 |
< |
* ({@code index < 0 || index >= size()}) |
500 |
> |
* ({@code index < 0 || index >= size()}) |
501 |
|
*/ |
502 |
|
public synchronized void setElementAt(E obj, int index) { |
503 |
< |
if (index >= elementCount) { |
504 |
< |
throw new ArrayIndexOutOfBoundsException(index + " >= " + |
505 |
< |
elementCount); |
506 |
< |
} |
507 |
< |
elementData[index] = obj; |
503 |
> |
if (index >= elementCount) { |
504 |
> |
throw new ArrayIndexOutOfBoundsException(index + " >= " + |
505 |
> |
elementCount); |
506 |
> |
} |
507 |
> |
elementData[index] = obj; |
508 |
|
} |
509 |
|
|
510 |
|
/** |
524 |
|
* |
525 |
|
* @param index the index of the object to remove |
526 |
|
* @throws ArrayIndexOutOfBoundsException if the index is out of range |
527 |
< |
* ({@code index < 0 || index >= size()}) |
527 |
> |
* ({@code index < 0 || index >= size()}) |
528 |
|
*/ |
529 |
|
public synchronized void removeElementAt(int index) { |
530 |
< |
modCount++; |
531 |
< |
if (index >= elementCount) { |
532 |
< |
throw new ArrayIndexOutOfBoundsException(index + " >= " + |
533 |
< |
elementCount); |
534 |
< |
} |
535 |
< |
else if (index < 0) { |
536 |
< |
throw new ArrayIndexOutOfBoundsException(index); |
537 |
< |
} |
538 |
< |
int j = elementCount - index - 1; |
539 |
< |
if (j > 0) { |
540 |
< |
System.arraycopy(elementData, index + 1, elementData, index, j); |
541 |
< |
} |
542 |
< |
elementCount--; |
543 |
< |
elementData[elementCount] = null; /* to let gc do its work */ |
530 |
> |
modCount++; |
531 |
> |
if (index >= elementCount) { |
532 |
> |
throw new ArrayIndexOutOfBoundsException(index + " >= " + |
533 |
> |
elementCount); |
534 |
> |
} |
535 |
> |
else if (index < 0) { |
536 |
> |
throw new ArrayIndexOutOfBoundsException(index); |
537 |
> |
} |
538 |
> |
int j = elementCount - index - 1; |
539 |
> |
if (j > 0) { |
540 |
> |
System.arraycopy(elementData, index + 1, elementData, index, j); |
541 |
> |
} |
542 |
> |
elementCount--; |
543 |
> |
elementData[elementCount] = null; /* to let gc do its work */ |
544 |
|
} |
545 |
|
|
546 |
|
/** |
564 |
|
* @param obj the component to insert |
565 |
|
* @param index where to insert the new component |
566 |
|
* @throws ArrayIndexOutOfBoundsException if the index is out of range |
567 |
< |
* ({@code index < 0 || index > size()}) |
567 |
> |
* ({@code index < 0 || index > size()}) |
568 |
|
*/ |
569 |
|
public synchronized void insertElementAt(E obj, int index) { |
570 |
< |
modCount++; |
571 |
< |
if (index > elementCount) { |
572 |
< |
throw new ArrayIndexOutOfBoundsException(index |
573 |
< |
+ " > " + elementCount); |
574 |
< |
} |
575 |
< |
ensureCapacityHelper(elementCount + 1); |
576 |
< |
System.arraycopy(elementData, index, elementData, index + 1, elementCount - index); |
577 |
< |
elementData[index] = obj; |
578 |
< |
elementCount++; |
570 |
> |
modCount++; |
571 |
> |
if (index > elementCount) { |
572 |
> |
throw new ArrayIndexOutOfBoundsException(index |
573 |
> |
+ " > " + elementCount); |
574 |
> |
} |
575 |
> |
ensureCapacityHelper(elementCount + 1); |
576 |
> |
System.arraycopy(elementData, index, elementData, index + 1, elementCount - index); |
577 |
> |
elementData[index] = obj; |
578 |
> |
elementCount++; |
579 |
|
} |
580 |
|
|
581 |
|
/** |
590 |
|
* @param obj the component to be added |
591 |
|
*/ |
592 |
|
public synchronized void addElement(E obj) { |
593 |
< |
modCount++; |
594 |
< |
ensureCapacityHelper(elementCount + 1); |
595 |
< |
elementData[elementCount++] = obj; |
593 |
> |
modCount++; |
594 |
> |
ensureCapacityHelper(elementCount + 1); |
595 |
> |
elementData[elementCount++] = obj; |
596 |
|
} |
597 |
|
|
598 |
|
/** |
611 |
|
* vector; {@code false} otherwise. |
612 |
|
*/ |
613 |
|
public synchronized boolean removeElement(Object obj) { |
614 |
< |
modCount++; |
615 |
< |
int i = indexOf(obj); |
616 |
< |
if (i >= 0) { |
617 |
< |
removeElementAt(i); |
618 |
< |
return true; |
619 |
< |
} |
620 |
< |
return false; |
614 |
> |
modCount++; |
615 |
> |
int i = indexOf(obj); |
616 |
> |
if (i >= 0) { |
617 |
> |
removeElementAt(i); |
618 |
> |
return true; |
619 |
> |
} |
620 |
> |
return false; |
621 |
|
} |
622 |
|
|
623 |
|
/** |
628 |
|
*/ |
629 |
|
public synchronized void removeAllElements() { |
630 |
|
modCount++; |
631 |
< |
// Let gc do its work |
632 |
< |
for (int i = 0; i < elementCount; i++) |
633 |
< |
elementData[i] = null; |
631 |
> |
// Let gc do its work |
632 |
> |
for (int i = 0; i < elementCount; i++) |
633 |
> |
elementData[i] = null; |
634 |
|
|
635 |
< |
elementCount = 0; |
635 |
> |
elementCount = 0; |
636 |
|
} |
637 |
|
|
638 |
|
/** |
643 |
|
* @return a clone of this vector |
644 |
|
*/ |
645 |
|
public synchronized Object clone() { |
646 |
< |
try { |
647 |
< |
@SuppressWarnings("unchecked") |
648 |
< |
Vector<E> v = (Vector<E>) super.clone(); |
649 |
< |
v.elementData = Arrays.copyOf(elementData, elementCount); |
650 |
< |
v.modCount = 0; |
651 |
< |
return v; |
652 |
< |
} catch (CloneNotSupportedException e) { |
653 |
< |
// this shouldn't happen, since we are Cloneable |
654 |
< |
throw new InternalError(); |
655 |
< |
} |
646 |
> |
try { |
647 |
> |
@SuppressWarnings("unchecked") |
648 |
> |
Vector<E> v = (Vector<E>) super.clone(); |
649 |
> |
v.elementData = Arrays.copyOf(elementData, elementCount); |
650 |
> |
v.modCount = 0; |
651 |
> |
return v; |
652 |
> |
} catch (CloneNotSupportedException e) { |
653 |
> |
// this shouldn't happen, since we are Cloneable |
654 |
> |
throw new InternalError(); |
655 |
> |
} |
656 |
|
} |
657 |
|
|
658 |
|
/** |
680 |
|
* does not contain any null elements.) |
681 |
|
* |
682 |
|
* @param a the array into which the elements of the Vector are to |
683 |
< |
* be stored, if it is big enough; otherwise, a new array of the |
684 |
< |
* same runtime type is allocated for this purpose. |
683 |
> |
* be stored, if it is big enough; otherwise, a new array of the |
684 |
> |
* same runtime type is allocated for this purpose. |
685 |
|
* @return an array containing the elements of the Vector |
686 |
|
* @throws ArrayStoreException if the runtime type of a is not a supertype |
687 |
|
* of the runtime type of every element in this Vector |
693 |
|
if (a.length < elementCount) |
694 |
|
return (T[]) Arrays.copyOf(elementData, elementCount, a.getClass()); |
695 |
|
|
696 |
< |
System.arraycopy(elementData, 0, a, 0, elementCount); |
696 |
> |
System.arraycopy(elementData, 0, a, 0, elementCount); |
697 |
|
|
698 |
|
if (a.length > elementCount) |
699 |
|
a[elementCount] = null; |
705 |
|
|
706 |
|
@SuppressWarnings("unchecked") |
707 |
|
E elementData(int index) { |
708 |
< |
return (E) elementData[index]; |
708 |
> |
return (E) elementData[index]; |
709 |
|
} |
710 |
|
|
711 |
|
/** |
718 |
|
* @since 1.2 |
719 |
|
*/ |
720 |
|
public synchronized E get(int index) { |
721 |
< |
if (index >= elementCount) |
722 |
< |
throw new ArrayIndexOutOfBoundsException(index); |
721 |
> |
if (index >= elementCount) |
722 |
> |
throw new ArrayIndexOutOfBoundsException(index); |
723 |
|
|
724 |
< |
return elementData(index); |
724 |
> |
return elementData(index); |
725 |
|
} |
726 |
|
|
727 |
|
/** |
732 |
|
* @param element element to be stored at the specified position |
733 |
|
* @return the element previously at the specified position |
734 |
|
* @throws ArrayIndexOutOfBoundsException if the index is out of range |
735 |
< |
* ({@code index < 0 || index >= size()}) |
735 |
> |
* ({@code index < 0 || index >= size()}) |
736 |
|
* @since 1.2 |
737 |
|
*/ |
738 |
|
public synchronized E set(int index, E element) { |
739 |
< |
if (index >= elementCount) |
740 |
< |
throw new ArrayIndexOutOfBoundsException(index); |
739 |
> |
if (index >= elementCount) |
740 |
> |
throw new ArrayIndexOutOfBoundsException(index); |
741 |
|
|
742 |
< |
E oldValue = elementData(index); |
743 |
< |
elementData[index] = element; |
744 |
< |
return oldValue; |
742 |
> |
E oldValue = elementData(index); |
743 |
> |
elementData[index] = element; |
744 |
> |
return oldValue; |
745 |
|
} |
746 |
|
|
747 |
|
/** |
752 |
|
* @since 1.2 |
753 |
|
*/ |
754 |
|
public synchronized boolean add(E e) { |
755 |
< |
modCount++; |
756 |
< |
ensureCapacityHelper(elementCount + 1); |
757 |
< |
elementData[elementCount++] = e; |
755 |
> |
modCount++; |
756 |
> |
ensureCapacityHelper(elementCount + 1); |
757 |
> |
elementData[elementCount++] = e; |
758 |
|
return true; |
759 |
|
} |
760 |
|
|
800 |
|
* @since 1.2 |
801 |
|
*/ |
802 |
|
public synchronized E remove(int index) { |
803 |
< |
modCount++; |
804 |
< |
if (index >= elementCount) |
805 |
< |
throw new ArrayIndexOutOfBoundsException(index); |
806 |
< |
E oldValue = elementData(index); |
807 |
< |
|
808 |
< |
int numMoved = elementCount - index - 1; |
809 |
< |
if (numMoved > 0) |
810 |
< |
System.arraycopy(elementData, index+1, elementData, index, |
811 |
< |
numMoved); |
812 |
< |
elementData[--elementCount] = null; // Let gc do its work |
803 |
> |
modCount++; |
804 |
> |
if (index >= elementCount) |
805 |
> |
throw new ArrayIndexOutOfBoundsException(index); |
806 |
> |
E oldValue = elementData(index); |
807 |
> |
|
808 |
> |
int numMoved = elementCount - index - 1; |
809 |
> |
if (numMoved > 0) |
810 |
> |
System.arraycopy(elementData, index+1, elementData, index, |
811 |
> |
numMoved); |
812 |
> |
elementData[--elementCount] = null; // Let gc do its work |
813 |
|
|
814 |
< |
return oldValue; |
814 |
> |
return oldValue; |
815 |
|
} |
816 |
|
|
817 |
|
/** |
833 |
|
* @param c a collection whose elements will be tested for containment |
834 |
|
* in this Vector |
835 |
|
* @return true if this Vector contains all of the elements in the |
836 |
< |
* specified collection |
836 |
> |
* specified collection |
837 |
|
* @throws NullPointerException if the specified collection is null |
838 |
|
*/ |
839 |
|
public synchronized boolean containsAll(Collection<?> c) { |
854 |
|
* @since 1.2 |
855 |
|
*/ |
856 |
|
public synchronized boolean addAll(Collection<? extends E> c) { |
857 |
< |
modCount++; |
857 |
> |
modCount++; |
858 |
|
Object[] a = c.toArray(); |
859 |
|
int numNew = a.length; |
860 |
< |
ensureCapacityHelper(elementCount + numNew); |
860 |
> |
ensureCapacityHelper(elementCount + numNew); |
861 |
|
System.arraycopy(a, 0, elementData, elementCount, numNew); |
862 |
|
elementCount += numNew; |
863 |
< |
return numNew != 0; |
863 |
> |
return numNew != 0; |
864 |
|
} |
865 |
|
|
866 |
|
/** |
919 |
|
* @since 1.2 |
920 |
|
*/ |
921 |
|
public synchronized boolean addAll(int index, Collection<? extends E> c) { |
922 |
< |
modCount++; |
923 |
< |
if (index < 0 || index > elementCount) |
924 |
< |
throw new ArrayIndexOutOfBoundsException(index); |
922 |
> |
modCount++; |
923 |
> |
if (index < 0 || index > elementCount) |
924 |
> |
throw new ArrayIndexOutOfBoundsException(index); |
925 |
|
|
926 |
|
Object[] a = c.toArray(); |
927 |
< |
int numNew = a.length; |
928 |
< |
ensureCapacityHelper(elementCount + numNew); |
927 |
> |
int numNew = a.length; |
928 |
> |
ensureCapacityHelper(elementCount + numNew); |
929 |
|
|
930 |
< |
int numMoved = elementCount - index; |
931 |
< |
if (numMoved > 0) |
932 |
< |
System.arraycopy(elementData, index, elementData, index + numNew, |
933 |
< |
numMoved); |
930 |
> |
int numMoved = elementCount - index; |
931 |
> |
if (numMoved > 0) |
932 |
> |
System.arraycopy(elementData, index, elementData, index + numNew, |
933 |
> |
numMoved); |
934 |
|
|
935 |
|
System.arraycopy(a, 0, elementData, index, numNew); |
936 |
< |
elementCount += numNew; |
937 |
< |
return numNew != 0; |
936 |
> |
elementCount += numNew; |
937 |
> |
return numNew != 0; |
938 |
|
} |
939 |
|
|
940 |
|
/** |
982 |
|
* instead of a whole List. For example, the following idiom |
983 |
|
* removes a range of elements from a List: |
984 |
|
* <pre> |
985 |
< |
* list.subList(from, to).clear(); |
985 |
> |
* list.subList(from, to).clear(); |
986 |
|
* </pre> |
987 |
|
* Similar idioms may be constructed for indexOf and lastIndexOf, |
988 |
|
* and all of the algorithms in the Collections class can be applied to |
1000 |
|
* @throws IndexOutOfBoundsException if an endpoint index value is out of range |
1001 |
|
* {@code (fromIndex < 0 || toIndex > size)} |
1002 |
|
* @throws IllegalArgumentException if the endpoint indices are out of order |
1003 |
< |
* {@code (fromIndex > toIndex)} |
1003 |
> |
* {@code (fromIndex > toIndex)} |
1004 |
|
*/ |
1005 |
|
public synchronized List<E> subList(int fromIndex, int toIndex) { |
1006 |
|
return Collections.synchronizedList(super.subList(fromIndex, toIndex), |
1015 |
|
* (If {@code toIndex==fromIndex}, this operation has no effect.) |
1016 |
|
*/ |
1017 |
|
protected synchronized void removeRange(int fromIndex, int toIndex) { |
1018 |
< |
modCount++; |
1019 |
< |
int numMoved = elementCount - toIndex; |
1018 |
> |
modCount++; |
1019 |
> |
int numMoved = elementCount - toIndex; |
1020 |
|
System.arraycopy(elementData, toIndex, elementData, fromIndex, |
1021 |
|
numMoved); |
1022 |
|
|
1023 |
< |
// Let gc do its work |
1024 |
< |
int newElementCount = elementCount - (toIndex-fromIndex); |
1025 |
< |
while (elementCount != newElementCount) |
1026 |
< |
elementData[--elementCount] = null; |
1023 |
> |
// Let gc do its work |
1024 |
> |
int newElementCount = elementCount - (toIndex-fromIndex); |
1025 |
> |
while (elementCount != newElementCount) |
1026 |
> |
elementData[--elementCount] = null; |
1027 |
|
} |
1028 |
|
|
1029 |
|
/** |
1034 |
|
private synchronized void writeObject(java.io.ObjectOutputStream s) |
1035 |
|
throws java.io.IOException |
1036 |
|
{ |
1037 |
< |
s.defaultWriteObject(); |
1037 |
> |
s.defaultWriteObject(); |
1038 |
|
} |
1039 |
|
|
1040 |
|
/** |
1050 |
|
* @throws IndexOutOfBoundsException {@inheritDoc} |
1051 |
|
*/ |
1052 |
|
public synchronized ListIterator<E> listIterator(int index) { |
1053 |
< |
if (index < 0 || index > elementCount) |
1053 |
> |
if (index < 0 || index > elementCount) |
1054 |
|
throw new IndexOutOfBoundsException("Index: "+index); |
1055 |
< |
return new ListItr(index); |
1055 |
> |
return new ListItr(index); |
1056 |
|
} |
1057 |
|
|
1058 |
|
/** |
1064 |
|
* @see #listIterator(int) |
1065 |
|
*/ |
1066 |
|
public synchronized ListIterator<E> listIterator() { |
1067 |
< |
return new ListItr(0); |
1067 |
> |
return new ListItr(0); |
1068 |
|
} |
1069 |
|
|
1070 |
|
/** |
1075 |
|
* @return an iterator over the elements in this list in proper sequence |
1076 |
|
*/ |
1077 |
|
public synchronized Iterator<E> iterator() { |
1078 |
< |
return new Itr(); |
1078 |
> |
return new Itr(); |
1079 |
|
} |
1080 |
|
|
1081 |
|
/** |
1082 |
|
* An optimized version of AbstractList.Itr |
1083 |
|
*/ |
1084 |
|
private class Itr implements Iterator<E> { |
1085 |
< |
int cursor; // index of next element to return |
1086 |
< |
int lastRet = -1; // index of last element returned; -1 if no such |
1087 |
< |
int expectedModCount = modCount; |
1085 |
> |
int cursor; // index of next element to return |
1086 |
> |
int lastRet = -1; // index of last element returned; -1 if no such |
1087 |
> |
int expectedModCount = modCount; |
1088 |
|
|
1089 |
< |
public boolean hasNext() { |
1089 |
> |
public boolean hasNext() { |
1090 |
|
// Racy but within spec, since modifications are checked |
1091 |
|
// within or after synchronization in next/previous |
1092 |
|
return cursor != elementCount; |
1093 |
< |
} |
1093 |
> |
} |
1094 |
> |
|
1095 |
> |
public E next() { |
1096 |
> |
synchronized (Vector.this) { |
1097 |
> |
checkForComodification(); |
1098 |
> |
int i = cursor; |
1099 |
> |
if (i >= elementCount) |
1100 |
> |
throw new NoSuchElementException(); |
1101 |
> |
cursor = i + 1; |
1102 |
> |
return elementData(lastRet = i); |
1103 |
> |
} |
1104 |
> |
} |
1105 |
|
|
1106 |
< |
public E next() { |
1107 |
< |
synchronized (Vector.this) { |
1108 |
< |
checkForComodification(); |
1109 |
< |
int i = cursor; |
1110 |
< |
if (i >= elementCount) |
1111 |
< |
throw new NoSuchElementException(); |
1112 |
< |
cursor = i + 1; |
1102 |
< |
return elementData(lastRet = i); |
1103 |
< |
} |
1104 |
< |
} |
1105 |
< |
|
1106 |
< |
public void remove() { |
1107 |
< |
if (lastRet == -1) |
1108 |
< |
throw new IllegalStateException(); |
1109 |
< |
synchronized (Vector.this) { |
1110 |
< |
checkForComodification(); |
1111 |
< |
Vector.this.remove(lastRet); |
1112 |
< |
expectedModCount = modCount; |
1106 |
> |
public void remove() { |
1107 |
> |
if (lastRet == -1) |
1108 |
> |
throw new IllegalStateException(); |
1109 |
> |
synchronized (Vector.this) { |
1110 |
> |
checkForComodification(); |
1111 |
> |
Vector.this.remove(lastRet); |
1112 |
> |
expectedModCount = modCount; |
1113 |
|
} |
1114 |
< |
cursor = lastRet; |
1115 |
< |
lastRet = -1; |
1116 |
< |
} |
1117 |
< |
|
1118 |
< |
final void checkForComodification() { |
1119 |
< |
if (modCount != expectedModCount) |
1120 |
< |
throw new ConcurrentModificationException(); |
1121 |
< |
} |
1114 |
> |
cursor = lastRet; |
1115 |
> |
lastRet = -1; |
1116 |
> |
} |
1117 |
> |
|
1118 |
> |
final void checkForComodification() { |
1119 |
> |
if (modCount != expectedModCount) |
1120 |
> |
throw new ConcurrentModificationException(); |
1121 |
> |
} |
1122 |
|
} |
1123 |
|
|
1124 |
|
/** |
1125 |
|
* An optimized version of AbstractList.ListItr |
1126 |
|
*/ |
1127 |
|
final class ListItr extends Itr implements ListIterator<E> { |
1128 |
< |
ListItr(int index) { |
1129 |
< |
super(); |
1130 |
< |
cursor = index; |
1131 |
< |
} |
1132 |
< |
|
1133 |
< |
public boolean hasPrevious() { |
1134 |
< |
return cursor != 0; |
1135 |
< |
} |
1136 |
< |
|
1137 |
< |
public int nextIndex() { |
1138 |
< |
return cursor; |
1139 |
< |
} |
1140 |
< |
|
1141 |
< |
public int previousIndex() { |
1142 |
< |
return cursor - 1; |
1143 |
< |
} |
1144 |
< |
|
1145 |
< |
public E previous() { |
1146 |
< |
synchronized (Vector.this) { |
1147 |
< |
checkForComodification(); |
1148 |
< |
int i = cursor - 1; |
1149 |
< |
if (i < 0) |
1150 |
< |
throw new NoSuchElementException(); |
1151 |
< |
cursor = i; |
1152 |
< |
return elementData(lastRet = i); |
1153 |
< |
} |
1154 |
< |
} |
1155 |
< |
|
1156 |
< |
public void set(E e) { |
1157 |
< |
if (lastRet == -1) |
1158 |
< |
throw new IllegalStateException(); |
1159 |
< |
synchronized (Vector.this) { |
1160 |
< |
checkForComodification(); |
1161 |
< |
Vector.this.set(lastRet, e); |
1162 |
< |
} |
1163 |
< |
} |
1164 |
< |
|
1165 |
< |
public void add(E e) { |
1166 |
< |
int i = cursor; |
1167 |
< |
synchronized (Vector.this) { |
1168 |
< |
checkForComodification(); |
1169 |
< |
Vector.this.add(i, e); |
1170 |
< |
expectedModCount = modCount; |
1171 |
< |
} |
1172 |
< |
cursor = i + 1; |
1173 |
< |
lastRet = -1; |
1174 |
< |
} |
1128 |
> |
ListItr(int index) { |
1129 |
> |
super(); |
1130 |
> |
cursor = index; |
1131 |
> |
} |
1132 |
> |
|
1133 |
> |
public boolean hasPrevious() { |
1134 |
> |
return cursor != 0; |
1135 |
> |
} |
1136 |
> |
|
1137 |
> |
public int nextIndex() { |
1138 |
> |
return cursor; |
1139 |
> |
} |
1140 |
> |
|
1141 |
> |
public int previousIndex() { |
1142 |
> |
return cursor - 1; |
1143 |
> |
} |
1144 |
> |
|
1145 |
> |
public E previous() { |
1146 |
> |
synchronized (Vector.this) { |
1147 |
> |
checkForComodification(); |
1148 |
> |
int i = cursor - 1; |
1149 |
> |
if (i < 0) |
1150 |
> |
throw new NoSuchElementException(); |
1151 |
> |
cursor = i; |
1152 |
> |
return elementData(lastRet = i); |
1153 |
> |
} |
1154 |
> |
} |
1155 |
> |
|
1156 |
> |
public void set(E e) { |
1157 |
> |
if (lastRet == -1) |
1158 |
> |
throw new IllegalStateException(); |
1159 |
> |
synchronized (Vector.this) { |
1160 |
> |
checkForComodification(); |
1161 |
> |
Vector.this.set(lastRet, e); |
1162 |
> |
} |
1163 |
> |
} |
1164 |
> |
|
1165 |
> |
public void add(E e) { |
1166 |
> |
int i = cursor; |
1167 |
> |
synchronized (Vector.this) { |
1168 |
> |
checkForComodification(); |
1169 |
> |
Vector.this.add(i, e); |
1170 |
> |
expectedModCount = modCount; |
1171 |
> |
} |
1172 |
> |
cursor = i + 1; |
1173 |
> |
lastRet = -1; |
1174 |
> |
} |
1175 |
|
} |
1176 |
|
} |