Added method to get the tail of a chained property.

1 files changed, 19 insertions, 1 deletions

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();