1.1 --- a/vcscore/src/org/netbeans/modules/vcscore/versioning/RevisionList.java	Wed Apr 13 15:13:40 2005 +0000
     1.2 +++ b/vcscore/src/org/netbeans/modules/vcscore/versioning/RevisionList.java	Wed Apr 13 16:29:23 2005 +0000
     1.3 @@ -76,9 +76,11 @@
     1.4      
     1.5      public boolean remove(Object obj) {
     1.6          boolean status = super.remove(obj);
     1.7 -        nodeDelegatesWithoutChildren.remove(obj);
     1.8 -        nodeDelegatesWithChildren.remove(obj);
     1.9 -        existingChildren.remove(obj);
    1.10 +        synchronized (this) {
    1.11 +            nodeDelegatesWithoutChildren.remove(obj);
    1.12 +            nodeDelegatesWithChildren.remove(obj);
    1.13 +            existingChildren.remove(obj);
    1.14 +        }
    1.15          //System.out.println("RevisionList.remove("+((RevisionItem) obj).getRevision()+")");
    1.16          fireChanged();
    1.17          return status;
    1.18 @@ -86,9 +88,11 @@
    1.19      
    1.20      public boolean removeAll(Collection c) {
    1.21          boolean status = super.removeAll(c);
    1.22 -        for (Iterator it = c.iterator(); it.hasNext(); nodeDelegatesWithoutChildren.remove(it.next()));
    1.23 -        for (Iterator it = c.iterator(); it.hasNext(); nodeDelegatesWithChildren.remove(it.next()));
    1.24 -        for (Iterator it = c.iterator(); it.hasNext(); existingChildren.remove(it.next()));
    1.25 +        synchronized (this) {
    1.26 +            for (Iterator it = c.iterator(); it.hasNext(); nodeDelegatesWithoutChildren.remove(it.next()));
    1.27 +            for (Iterator it = c.iterator(); it.hasNext(); nodeDelegatesWithChildren.remove(it.next()));
    1.28 +            for (Iterator it = c.iterator(); it.hasNext(); existingChildren.remove(it.next()));
    1.29 +        }
    1.30          //System.out.println("RevisionList.removeAll("+c+"): c.size() = "+c.size());
    1.31          fireChanged();
    1.32          return status;