OAK-11578 : removed usage of Guava's Iterables.getLast() with oak-commons (#2172)

Co-authored-by: Rishabh Kumar <diam@adobe.com>

Author: rishabhdaim

oak-lucene/src/test/java/org/apache/jackrabbit/oak/plugins/index/lucene/ActiveDeletedBlobCollectorMBeanImplTest.java

@@ -28,6 +28,7 @@
 import org.apache.jackrabbit.oak.api.Tree;
 import org.apache.jackrabbit.oak.api.jmx.IndexStatsMBean;
 import org.apache.jackrabbit.oak.commons.PathUtils;
+import org.apache.jackrabbit.oak.commons.collections.IterableUtils;
 import org.apache.jackrabbit.oak.osgi.OsgiWhiteboard;
 import org.apache.jackrabbit.oak.plugins.document.DocumentMKBuilderProvider;
 import org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore;
@@ -504,7 +505,7 @@ public BlobDeletionCallback getBlobDeletionCallback() {
             blobDeletionCallback = new BlobDeletionCallback() {
                 @Override
                 public void deleted(String blobId, Iterable<String> ids) {
-                    deletedFiles.add(Iterables.getLast(ids));
+                    deletedFiles.add(IterableUtils.getLast(ids));
                     deletionCallback.deleted(blobId, ids);
                 }
 

oak-lucene/src/test/java/org/apache/jackrabbit/oak/plugins/index/lucene/directory/OakDirectoryTestBase.java

@@ -57,6 +57,7 @@
 import org.apache.jackrabbit.oak.api.Blob;
 import org.apache.jackrabbit.oak.api.PropertyState;
 import org.apache.jackrabbit.oak.api.Type;
+import org.apache.jackrabbit.oak.commons.collections.IterableUtils;
 import org.apache.jackrabbit.oak.commons.collections.SetUtils;
 import org.apache.jackrabbit.oak.plugins.blob.BlobStoreBlob;
 import org.apache.jackrabbit.oak.plugins.blob.datastore.DataStoreBlobStore;
@@ -552,7 +553,7 @@ public void dontMarkInlinedBlobsFromDataStoreAsDeleted() throws Exception {
                                 new ActiveDeletedBlobCollectorFactory.BlobDeletionCallback() {
                                     @Override
                                     public void deleted(String blobId, Iterable<String> ids) {
-                                        deletedFiles.add(Iterables.getLast(ids));
+                                        deletedFiles.add(IterableUtils.getLast(ids));
                                     }
 
                                     @Override
@@ -596,7 +597,7 @@ public void markAllBlobsFromBlobStoreAsDeleted() throws Exception {
                                 new ActiveDeletedBlobCollectorFactory.BlobDeletionCallback() {
                                     @Override
                                     public void deleted(String blobId, Iterable<String> ids) {
-                                        deletedFiles.add(Iterables.getLast(ids));
+                                        deletedFiles.add(IterableUtils.getLast(ids));
                                     }
 
                                     @Override

oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/NodeDocumentTest.java

@@ -544,7 +544,7 @@ public <T extends Document> T find(Collection<T> collection,
         // simulate a change revision within the range of
         // the most recent previous document
         Iterable<Revision> changes = prev.getAllChanges();
-        Revision baseRev = Iterables.getLast(changes);
+        Revision baseRev = IterableUtils.getLast(changes);
         Revision changeRev = new Revision(baseRev.getTimestamp(), 1000, ns.getClusterId());
         // reset calls to previous documents
         prevDocCalls.clear();
@@ -941,7 +941,7 @@ public <T extends Document> T find(Collection<T> collection,
         NodeDocument doc = getRootDocument(store);
         Map<Revision, String> valueMap = doc.getValueMap("p");
         assertEquals(200, valueMap.size());
-        Revision oldest = Iterables.getLast(valueMap.keySet());
+        Revision oldest = IterableUtils.getLast(valueMap.keySet());
 
         prevDocCalls.clear();
         DocumentNodeState state = doc.getNodeAtRevision(ns,