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ObjectIdSubclassMap: Add isEmpty() method 

This class behaves like a cross between a Set and a Map, sometimes
we might expect to use the method isEmpty() to test for size() == 0.
So implement it, reducing the surprise folks get when they are given
one of these objects.

Change-Id: I0d68e1243da8e62edf79c6ba4fd925f643e80a88
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Shawn O. Pearce 2010-04-16 08:41:59 -07:00
parent 06ee913c8d
commit 4cc7b1c5b0
1 changed files with 5 additions and 0 deletions
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5
org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdSubclassMap.java
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@ -135,6 +135,11 @@ public int size() {
return size;
}
/** @return true if {@link #size()} is 0. */
public boolean isEmpty() {
return size == 0;
}
public Iterator<V> iterator() {
return new Iterator<V>() {
private int found;