Deprecation: DocCollection.getNumNrtReplicas etc.

Why: needless convenience methods, and the Object return type is unfortunate
note: getNumReplicas returns 'int' now; won't take to 9x

Author: dsmiley

solr/solrj/src/java/org/apache/solr/common/cloud/DocCollection.java

@@ -548,6 +548,7 @@ public int hashCode() {
    * @return the number of replicas of type {@link org.apache.solr.common.cloud.Replica.Type#NRT}
    *     this collection was created with
    */
+  @Deprecated
   public Integer getNumNrtReplicas() {
     return getNumReplicas(Replica.Type.NRT);
   }
@@ -556,6 +557,7 @@ public Integer getNumNrtReplicas() {
    * @return the number of replicas of type {@link org.apache.solr.common.cloud.Replica.Type#TLOG}
    *     this collection was created with
    */
+  @Deprecated
   public Integer getNumTlogReplicas() {
     return getNumReplicas(Replica.Type.TLOG);
   }
@@ -564,14 +566,15 @@ public Integer getNumTlogReplicas() {
    * @return the number of replicas of type {@link org.apache.solr.common.cloud.Replica.Type#PULL}
    *     this collection was created with
    */
+  @Deprecated
   public Integer getNumPullReplicas() {
     return getNumReplicas(Replica.Type.PULL);
   }
 
   /**
    * @return the number of replicas of a given type this collection was created with
    */
-  public Integer getNumReplicas(Replica.Type type) {
+  public int getNumReplicas(Replica.Type type) {
     return numReplicas.get(type);
   }