Revert "JCBC-1886: Allow to list the number of currently available replicas for a document ID."

This reverts commit 8df11ba.

Reason for revert: <INSERT REASONING HERE>

Change-Id: I1bd9aa3e32eedd3ae5bf3e9992bd41db04e284ef
Reviewed-on: http://review.couchbase.org/c/couchbase-java-client/+/164248
Tested-by: Michael Nitschinger <michael.nitschinger@couchbase.com>
Reviewed-by: Michael Nitschinger <michael.nitschinger@couchbase.com>

Author: Michael Nitschinger

src/main/java/com/couchbase/client/java/util/NodeLocatorHelper.java

@@ -54,17 +54,18 @@
 @InterfaceAudience.Public
 public class NodeLocatorHelper {
 
+    private final ConfigurationProvider configProvider;
     private final AtomicReference<BucketConfig> bucketConfig;
 
     private NodeLocatorHelper(final Bucket bucket) {
-        ConfigurationProvider configProvider = bucket
-          .core()
-          .<GetConfigProviderResponse>send(new GetConfigProviderRequest())
-          .toBlocking()
-          .single()
-          .provider();
+        configProvider = bucket
+            .core()
+            .<GetConfigProviderResponse>send(new GetConfigProviderRequest())
+            .toBlocking()
+            .single()
+            .provider();
 
-        bucketConfig = new AtomicReference<>(configProvider.config().bucketConfig(bucket.name()));
+        bucketConfig = new AtomicReference<BucketConfig>(configProvider.config().bucketConfig(bucket.name()));
 
         configProvider
             .configs()
@@ -120,7 +121,7 @@ public List<InetAddress> replicaNodesForId(final String id) {
 
         if (config instanceof CouchbaseBucketConfig) {
             CouchbaseBucketConfig cbc = (CouchbaseBucketConfig) config;
-            List<InetAddress> replicas = new ArrayList<>();
+            List<InetAddress> replicas = new ArrayList<InetAddress>();
             for (int i = 1; i <= cbc.numberOfReplicas(); i++) {
                 replicas.add(replicaNodeForId(id, i));
             }
@@ -130,31 +131,6 @@ public List<InetAddress> replicaNodesForId(final String id) {
         }
     }
 
-    /**
-     * Returns all target replica nodes {@link InetAddress} which are currently available on the bucket.
-     *
-     * @param id the document ID to check.
-     * @return the list of nodes for the given document ID.
-     */
-    public List<InetAddress> availableReplicaNodesForId(final String id) {
-        BucketConfig config = bucketConfig.get();
-
-        if (config instanceof CouchbaseBucketConfig) {
-            CouchbaseBucketConfig cbc = (CouchbaseBucketConfig) config;
-            List<InetAddress> replicas = new ArrayList<>();
-            for (int i = 1; i <= cbc.numberOfReplicas(); i++) {
-                try {
-                    replicas.add(replicaNodeForId(id, i));
-                } catch (IllegalStateException ex) {
-                    // We ignore -1 and -2 vbuckets on purpose.
-                }
-            }
-            return replicas;
-        } else {
-            throw new UnsupportedOperationException("Bucket type not supported: " + config.getClass().getName());
-        }
-    }
-
     /**
      * Returns the target replica node {@link InetAddress} for a given document ID and replica number on the bucket.
      *
@@ -195,7 +171,7 @@ public InetAddress replicaNodeForId(final String id, int replicaNum) {
      * @return all currently known nodes.
      */
     public List<InetAddress> nodes() {
-        List<InetAddress> allNodes = new ArrayList<>();
+        List<InetAddress> allNodes = new ArrayList<InetAddress>();
         BucketConfig config = bucketConfig.get();
         for (NodeInfo nodeInfo : config.nodes()) {
             try {