From b503b09219e7aad8bb5d067ccd9e09d248590451 Mon Sep 17 00:00:00 2001
From: "Brian S. O'Neill" <bronee@gmail.com>
Date: Fri, 22 Sep 2006 06:37:59 +0000
Subject: Added method to get the tail of a chained property.

---
 .../com/amazon/carbonado/info/ChainedProperty.java   | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'src/main/java/com')

diff --git a/src/main/java/com/amazon/carbonado/info/ChainedProperty.java b/src/main/java/com/amazon/carbonado/info/ChainedProperty.java
index e0b1121..1c4022d 100644
--- a/src/main/java/com/amazon/carbonado/info/ChainedProperty.java
+++ b/src/main/java/com/amazon/carbonado/info/ChainedProperty.java
@@ -213,7 +213,7 @@ public class ChainedProperty<S extends Storable> implements Appender {
             new StorableProperty[getChainCount() + 1 + propChainCount];
 
         int pos = 0;
-        if (newChain.length > 1) {
+        if (getChainCount() > 0) {
             System.arraycopy(mChain, 0, newChain, 0, mChain.length);
             pos = mChain.length;
         }
@@ -243,6 +243,24 @@ public class ChainedProperty<S extends Storable> implements Appender {
         return get(mPrime, newChain);
     }
 
+    /**
+     * Returns a new ChainedProperty which contains everything that follows
+     * this ChainedProperty's prime property.
+     *
+     * @throws IllegalStateException if chain count is zero
+     */
+    public ChainedProperty<?> tail() {
+        if (getChainCount() == 0) {
+            throw new IllegalStateException();
+        }
+        if (getChainCount() == 1) {
+            return get(mChain[0]);
+        }
+        StorableProperty<?>[] newChain = new StorableProperty[getChainCount() - 1];
+        System.arraycopy(mChain, 1, newChain, 0, newChain.length);
+        return get(mChain[0], newChain);
+    }
+
     @Override
     public int hashCode() {
         int hash = mPrime.hashCode();
-- 
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