jdk/src/share/classes/java/util/Spliterators.java
changeset 20183 584504d38d79
parent 18788 1bfd5f623662
child 23572 0b4b0e183619
--- a/jdk/src/share/classes/java/util/Spliterators.java	Wed Sep 18 10:49:34 2013 -0700
+++ b/jdk/src/share/classes/java/util/Spliterators.java	Thu Sep 19 20:41:54 2013 -0700
@@ -409,16 +409,16 @@
      *
      * @param <T> Type of elements
      * @param c The collection
-     * @param additionalCharacteristics Additional spliterator characteristics
-     *        of this spliterator's source or elements beyond {@code SIZED} and
-     *        {@code SUBSIZED} which are are always reported
+     * @param characteristics Characteristics of this spliterator's source or
+     *        elements.  The characteristics {@code SIZED} and {@code SUBSIZED}
+     *        are additionally reported unless {@code CONCURRENT} is supplied.
      * @return A spliterator from an iterator
      * @throws NullPointerException if the given collection is {@code null}
      */
     public static <T> Spliterator<T> spliterator(Collection<? extends T> c,
-                                                 int additionalCharacteristics) {
+                                                 int characteristics) {
         return new IteratorSpliterator<>(Objects.requireNonNull(c),
-                                         additionalCharacteristics);
+                                         characteristics);
     }
 
     /**
@@ -439,17 +439,17 @@
      * @param iterator The iterator for the source
      * @param size The number of elements in the source, to be reported as
      *        initial {@code estimateSize}
-     * @param additionalCharacteristics Additional spliterator characteristics
-     *        of this spliterator's source or elements beyond {@code SIZED} and
-     *        {@code SUBSIZED} which are are always reported
+     * @param characteristics Characteristics of this spliterator's source or
+     *        elements.  The characteristics {@code SIZED} and {@code SUBSIZED}
+     *        are additionally reported unless {@code CONCURRENT} is supplied.
      * @return A spliterator from an iterator
      * @throws NullPointerException if the given iterator is {@code null}
      */
     public static <T> Spliterator<T> spliterator(Iterator<? extends T> iterator,
                                                  long size,
-                                                 int additionalCharacteristics) {
+                                                 int characteristics) {
         return new IteratorSpliterator<>(Objects.requireNonNull(iterator), size,
-                                         additionalCharacteristics);
+                                         characteristics);
     }
 
     /**
@@ -467,7 +467,7 @@
      *
      * @param <T> Type of elements
      * @param iterator The iterator for the source
-     * @param characteristics Properties of this spliterator's source
+     * @param characteristics Characteristics of this spliterator's source
      *        or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
      *        ignored and are not reported.)
      * @return A spliterator from an iterator
@@ -496,17 +496,17 @@
      * @param iterator The iterator for the source
      * @param size The number of elements in the source, to be reported as
      *        initial {@code estimateSize}.
-     * @param additionalCharacteristics Additional spliterator characteristics
-     *        of this spliterator's source or elements beyond {@code SIZED} and
-     *        {@code SUBSIZED} which are are always reported
+     * @param characteristics Characteristics of this spliterator's source or
+     *        elements.  The characteristics {@code SIZED} and {@code SUBSIZED}
+     *        are additionally reported unless {@code CONCURRENT} is supplied.
      * @return A spliterator from an iterator
      * @throws NullPointerException if the given iterator is {@code null}
      */
     public static Spliterator.OfInt spliterator(PrimitiveIterator.OfInt iterator,
                                                 long size,
-                                                int additionalCharacteristics) {
+                                                int characteristics) {
         return new IntIteratorSpliterator(Objects.requireNonNull(iterator),
-                                          size, additionalCharacteristics);
+                                          size, characteristics);
     }
 
     /**
@@ -524,7 +524,7 @@
      * operated on after the spliterator is returned.
      *
      * @param iterator The iterator for the source
-     * @param characteristics Properties of this spliterator's source
+     * @param characteristics Characteristics of this spliterator's source
      *        or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
      *        ignored and are not reported.)
      * @return A spliterator from an iterator
@@ -553,17 +553,17 @@
      * @param iterator The iterator for the source
      * @param size The number of elements in the source, to be reported as
      *        initial {@code estimateSize}.
-     * @param additionalCharacteristics Additional spliterator characteristics
-     *        of this spliterator's source or elements beyond {@code SIZED} and
-     *        {@code SUBSIZED} which are are always reported
+     * @param characteristics Characteristics of this spliterator's source or
+     *        elements.  The characteristics {@code SIZED} and {@code SUBSIZED}
+     *        are additionally reported unless {@code CONCURRENT} is supplied.
      * @return A spliterator from an iterator
      * @throws NullPointerException if the given iterator is {@code null}
      */
     public static Spliterator.OfLong spliterator(PrimitiveIterator.OfLong iterator,
                                                  long size,
-                                                 int additionalCharacteristics) {
+                                                 int characteristics) {
         return new LongIteratorSpliterator(Objects.requireNonNull(iterator),
-                                           size, additionalCharacteristics);
+                                           size, characteristics);
     }
 
     /**
@@ -581,7 +581,7 @@
      * operated on after the spliterator is returned.
      *
      * @param iterator The iterator for the source
-     * @param characteristics Properties of this spliterator's source
+     * @param characteristics Characteristics of this spliterator's source
      *        or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
      *        ignored and are not reported.)
      * @return A spliterator from an iterator
@@ -610,17 +610,17 @@
      * @param iterator The iterator for the source
      * @param size The number of elements in the source, to be reported as
      *        initial {@code estimateSize}
-     * @param additionalCharacteristics Additional spliterator characteristics
-     *        of this spliterator's source or elements beyond {@code SIZED} and
-     *        {@code SUBSIZED} which are are always reported
+     * @param characteristics Characteristics of this spliterator's source or
+     *        elements.  The characteristics {@code SIZED} and {@code SUBSIZED}
+     *        are additionally reported unless {@code CONCURRENT} is supplied.
      * @return A spliterator from an iterator
      * @throws NullPointerException if the given iterator is {@code null}
      */
     public static Spliterator.OfDouble spliterator(PrimitiveIterator.OfDouble iterator,
                                                    long size,
-                                                   int additionalCharacteristics) {
+                                                   int characteristics) {
         return new DoubleIteratorSpliterator(Objects.requireNonNull(iterator),
-                                             size, additionalCharacteristics);
+                                             size, characteristics);
     }
 
     /**
@@ -638,7 +638,7 @@
      * operated on after the spliterator is returned.
      *
      * @param iterator The iterator for the source
-     * @param characteristics Properties of this spliterator's source
+     * @param characteristics Characteristics of this spliterator's source
      *        or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
      *        ignored and are not reported.)
      * @return A spliterator from an iterator
@@ -1710,7 +1710,9 @@
         public IteratorSpliterator(Collection<? extends T> collection, int characteristics) {
             this.collection = collection;
             this.it = null;
-            this.characteristics = characteristics | Spliterator.SIZED | Spliterator.SUBSIZED;
+            this.characteristics = (characteristics & Spliterator.CONCURRENT) == 0
+                                   ? characteristics | Spliterator.SIZED | Spliterator.SUBSIZED
+                                   : characteristics;
         }
 
         /**
@@ -1727,7 +1729,9 @@
             this.collection = null;
             this.it = iterator;
             this.est = size;
-            this.characteristics = characteristics | Spliterator.SIZED | Spliterator.SUBSIZED;
+            this.characteristics = (characteristics & Spliterator.CONCURRENT) == 0
+                                   ? characteristics | Spliterator.SIZED | Spliterator.SUBSIZED
+                                   : characteristics;
         }
 
         /**
@@ -1857,7 +1861,9 @@
         public IntIteratorSpliterator(PrimitiveIterator.OfInt iterator, long size, int characteristics) {
             this.it = iterator;
             this.est = size;
-            this.characteristics = characteristics | Spliterator.SIZED | Spliterator.SUBSIZED;
+            this.characteristics = (characteristics & Spliterator.CONCURRENT) == 0
+                                   ? characteristics | Spliterator.SIZED | Spliterator.SUBSIZED
+                                   : characteristics;
         }
 
         /**
@@ -1949,7 +1955,9 @@
         public LongIteratorSpliterator(PrimitiveIterator.OfLong iterator, long size, int characteristics) {
             this.it = iterator;
             this.est = size;
-            this.characteristics = characteristics | Spliterator.SIZED | Spliterator.SUBSIZED;
+            this.characteristics = (characteristics & Spliterator.CONCURRENT) == 0
+                                   ? characteristics | Spliterator.SIZED | Spliterator.SUBSIZED
+                                   : characteristics;
         }
 
         /**
@@ -2041,7 +2049,9 @@
         public DoubleIteratorSpliterator(PrimitiveIterator.OfDouble iterator, long size, int characteristics) {
             this.it = iterator;
             this.est = size;
-            this.characteristics = characteristics | Spliterator.SIZED | Spliterator.SUBSIZED;
+            this.characteristics = (characteristics & Spliterator.CONCURRENT) == 0
+                                   ? characteristics | Spliterator.SIZED | Spliterator.SUBSIZED
+                                   : characteristics;
         }
 
         /**