ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/jsr166/jsr166/src/test/loops/RWCollection.java
(Generate patch)

Comparing jsr166/src/test/loops/RWCollection.java (file contents):
Revision 1.4 by jsr166, Tue Mar 15 19:47:05 2011 UTC vs.
Revision 1.6 by jsr166, Sun Oct 21 06:40:21 2012 UTC

# Line 7 | Line 7 | import java.util.*;
7   import java.util.concurrent.*;
8   import java.util.concurrent.locks.*;
9  
10 –
10   /**
11   * This is an incomplete implementation of a wrapper class
12   * that places read-write locks around unsynchronized Collections.
13   * Exists as a sample input for CollectionLoops test.
14   */
16 –
15   public final class RWCollection<E> implements Collection<E> {
16      private final Collection c;
17      private final ReentrantReadWriteLock rwl = new ReentrantReadWriteLock();
# Line 29 | Line 27 | public final class RWCollection<E> imple
27      }
28  
29      public final int size() {
30 <        final ReentrantReadWriteLock.ReadLock l =  rwl.readLock();
30 >        final ReentrantReadWriteLock.ReadLock l = rwl.readLock();
31          l.lock();
32          try { return c.size(); }
33          finally { l.unlock(); }
34      }
35  
36      public final boolean isEmpty() {
37 <        final ReentrantReadWriteLock.ReadLock l =  rwl.readLock();
37 >        final ReentrantReadWriteLock.ReadLock l = rwl.readLock();
38          l.lock();
39          try { return c.isEmpty(); }
40          finally { l.unlock(); }
41      }
42  
43      public final boolean contains(Object o) {
44 <        final ReentrantReadWriteLock.ReadLock l =  rwl.readLock();
44 >        final ReentrantReadWriteLock.ReadLock l = rwl.readLock();
45          l.lock();
46          try { return c.contains(o); }
47          finally { l.unlock(); }
48      }
49  
50      public final boolean equals(Object o) {
51 <        final ReentrantReadWriteLock.ReadLock l =  rwl.readLock();
51 >        final ReentrantReadWriteLock.ReadLock l = rwl.readLock();
52          l.lock();
53          try { return c.equals(o); }
54          finally { l.unlock(); }
55      }
56  
57      public final int hashCode() {
58 <        final ReentrantReadWriteLock.ReadLock l =  rwl.readLock();
58 >        final ReentrantReadWriteLock.ReadLock l = rwl.readLock();
59          l.lock();
60          try { return c.hashCode(); }
61          finally { l.unlock(); }
62      }
63  
64      public final String toString() {
65 <        final ReentrantReadWriteLock.ReadLock l =  rwl.readLock();
65 >        final ReentrantReadWriteLock.ReadLock l = rwl.readLock();
66          l.lock();
67          try { return c.toString(); }
68          finally { l.unlock(); }
69      }
70  
71      public final Iterator<E> iterator() {
72 <        final ReentrantReadWriteLock.ReadLock l =  rwl.readLock();
72 >        final ReentrantReadWriteLock.ReadLock l = rwl.readLock();
73          l.lock();
74          try { return c.iterator(); }
75          finally { l.unlock(); }
76      }
77  
78      public final Object[] toArray() {
79 <        final ReentrantReadWriteLock.ReadLock l =  rwl.readLock();
79 >        final ReentrantReadWriteLock.ReadLock l = rwl.readLock();
80          l.lock();
81          try { return c.toArray(); }
82          finally { l.unlock(); }
83      }
84  
85      public final <T> T[] toArray(T[] a) {
86 <        final ReentrantReadWriteLock.ReadLock l =  rwl.readLock();
86 >        final ReentrantReadWriteLock.ReadLock l = rwl.readLock();
87          l.lock();
88          try { return (T[])c.toArray(a); }
89          finally { l.unlock(); }
90      }
91  
92      public final boolean add(E e) {
93 <        final ReentrantReadWriteLock.WriteLock l =  rwl.writeLock();
93 >        final ReentrantReadWriteLock.WriteLock l = rwl.writeLock();
94          l.lock();
95          try { return c.add(e); }
96          finally { l.unlock(); }
97      }
98  
99      public final boolean remove(Object o) {
100 <        final ReentrantReadWriteLock.WriteLock l =  rwl.writeLock();
100 >        final ReentrantReadWriteLock.WriteLock l = rwl.writeLock();
101          l.lock();
102          try { return c.remove(o); }
103          finally { l.unlock(); }
104      }
105  
106      public final boolean containsAll(Collection<?> coll) {
107 <        final ReentrantReadWriteLock.WriteLock l =  rwl.writeLock();
107 >        final ReentrantReadWriteLock.WriteLock l = rwl.writeLock();
108          l.lock();
109          try { return c.containsAll(coll); }
110          finally { l.unlock(); }
111      }
112  
113      public final boolean addAll(Collection<? extends E> coll) {
114 <        final ReentrantReadWriteLock.WriteLock l =  rwl.writeLock();
114 >        final ReentrantReadWriteLock.WriteLock l = rwl.writeLock();
115          l.lock();
116          try { return c.addAll(coll); }
117          finally { l.unlock(); }
118      }
119  
120      public final boolean removeAll(Collection<?> coll) {
121 <        final ReentrantReadWriteLock.WriteLock l =  rwl.writeLock();
121 >        final ReentrantReadWriteLock.WriteLock l = rwl.writeLock();
122          l.lock();
123          try { return c.removeAll(coll); }
124          finally { l.unlock(); }
125      }
126  
127      public final boolean retainAll(Collection<?> coll) {
128 <        final ReentrantReadWriteLock.WriteLock l =  rwl.writeLock();
128 >        final ReentrantReadWriteLock.WriteLock l = rwl.writeLock();
129          l.lock();
130          try { return c.retainAll(coll); }
131          finally { l.unlock(); }
132      }
133  
134      public final void clear() {
135 <        final ReentrantReadWriteLock.WriteLock l =  rwl.writeLock();
135 >        final ReentrantReadWriteLock.WriteLock l = rwl.writeLock();
136          l.lock();
137          try { c.clear(); }
138          finally { l.unlock(); }

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines