From 4cc7b1c5b0e383ae3d65798e35f759441417fed8 Mon Sep 17 00:00:00 2001
From: "Shawn O. Pearce" <spearce@spearce.org>
Date: Fri, 16 Apr 2010 08:41:59 -0700
Subject: [PATCH] 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>
---
.../src/org/eclipse/jgit/lib/ObjectIdSubclassMap.java | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdSubclassMap.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdSubclassMap.java
index a0b6d0ed2..aa4bf99f3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdSubclassMap.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdSubclassMap.java
@@ -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;
--
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