rename join helper on querydescriptor

Author: Mpdreamz

src/Nest/QueryDsl/Abstractions/Container/QueryContainerDescriptor.cs

@@ -330,11 +330,11 @@ public QueryContainer Term(Expression<Func<T, object>> field, object value, doub
 		/// <summary>
 		/// Helper method to easily filter on join relations
 		/// </summary>
-		public QueryContainer Join(Expression<Func<T, JoinField>> field, RelationName value) =>
+		public QueryContainer HasRelationName(Expression<Func<T, JoinField>> field, RelationName value) =>
 			this.Term(t => t.Field(field).Value(value));
 
 		/// <summary>Helper method to easily filter on join relations</summary>
-		public QueryContainer Join<TRelation>(Expression<Func<T, JoinField>> field) =>
+		public QueryContainer HasRelationName<TRelation>(Expression<Func<T, JoinField>> field) =>
 			this.Term(t => t.Field(field).Value(Infer.Relation<TRelation>()));
 
 		/// <summary>

src/Tests/Document/Multiple/Reindex/ReindexApiTests.cs

@@ -157,11 +157,11 @@ private void ReindexManyTypesCompleted(CountdownEvent handle)
 
 			var originalIndexCount = this._client.Count<CommitActivity>(c => c
 				.Index(IndexName)
-				.Query(q => q.Join<CommitActivity>(p => p.Join))
+				.Query(q => q.HasRelationName<CommitActivity>(p => p.Join))
 			);
 			var newIndexCount = this._client.Count<CommitActivity>(c => c
 				.Index(NewManyTypesIndexName)
-				.Query(q => q.Join<CommitActivity>(p => p.Join))
+				.Query(q => q.HasRelationName<CommitActivity>(p => p.Join))
 			);
 
 			originalIndexCount.Count.Should().BeGreaterThan(0).And.Be(newIndexCount.Count);
@@ -171,7 +171,7 @@ private void ReindexManyTypesCompleted(CountdownEvent handle)
 				.Index(NewManyTypesIndexName)
 				.From(0)
 				.Size(100)
-				.Query(q => q.Join<CommitActivity>(p=>p.Join))
+				.Query(q => q.HasRelationName<CommitActivity>(p=>p.Join))
 				.Scroll(scroll)
 			);
 
@@ -201,12 +201,12 @@ private void ProjectionCompleted(CountdownEvent handle)
 			var refresh = this._client.Refresh(NewProjectionIndex);
 			var originalIndexCount = this._client.Count<CommitActivity>(c => c
 				.Index(IndexName)
-				.Query(q=>q.Join<CommitActivity>(p => p.Join))
+				.Query(q=>q.HasRelationName<CommitActivity>(p => p.Join))
 			);
 
 			var newIndexSearch = this._client.Search<CommitActivity>(c => c
 				.Index(NewProjectionIndex)
-				.Query(q=>q.Join<CommitActivity>(p => p.Join))
+				.Query(q=>q.HasRelationName<CommitActivity>(p => p.Join))
 			);
 
 			originalIndexCount.Count.Should().BeGreaterThan(0).And.Be(newIndexSearch.Total);