OLMIS-8030 Revert OrderableDto 'newInstances' to 'newInstance', bump up version to 15.2.7-RC2

gradle.properties

@@ -9,4 +9,4 @@ serviceName=openlmis-referencedata
 # Only a Release Manager should update this
 # See https://openlmis.atlassian.net/wiki/display/OP/Rolling+a+Release
 ######################################################################
-serviceVersion=15.2.7-RC1
+serviceVersion=15.2.7-RC2

src/integration-test/java/org/openlmis/referencedata/web/DataImportControllerIntegrationTest.java

@@ -41,7 +41,7 @@ public class DataImportControllerIntegrationTest extends BaseWebIntegrationTest
   private static final MultipartFile file = new MockMultipartFile(
       "orderable.csv", "test-data".getBytes());
   private final Orderable orderable = new OrderableDataBuilder().build();
-  private final OrderableDto orderableDto = OrderableDto.newInstances(orderable);
+  private final OrderableDto orderableDto = OrderableDto.newInstance(orderable);
 
   @Before
   @Override

src/main/java/org/openlmis/referencedata/dto/ApprovedProductDto.java

@@ -72,7 +72,7 @@ public void setOrderable(OrderableDto orderable) {
 
   @JsonIgnore
   public void setOrderable(Orderable orderable) {
-    this.orderable = OrderableDto.newInstances(orderable);
+    this.orderable = OrderableDto.newInstance(orderable);
   }
 
   @Override

src/main/java/org/openlmis/referencedata/dto/OrderableDto.java

@@ -97,7 +97,7 @@ public final class OrderableDto extends BaseDto implements Orderable.Importer,
    */
   public static List<OrderableDto> newInstances(Iterable<Orderable> orderables) {
     List<OrderableDto> orderableDtos = new LinkedList<>();
-    orderables.forEach(oe -> orderableDtos.add(newInstances(oe)));
+    orderables.forEach(oe -> orderableDtos.add(newInstance(oe)));
     return orderableDtos;
   }
 
@@ -107,7 +107,7 @@ public static List<OrderableDto> newInstances(Iterable<Orderable> orderables) {
    * @param po instance of Orderable.
    * @return new instance of OrderableDto.
    */
-  public static OrderableDto newInstances(Orderable po) {
+  public static OrderableDto newInstance(Orderable po) {
     if (po == null) {
       return null;
     }

src/main/java/org/openlmis/referencedata/web/OrderableController.java

@@ -123,7 +123,7 @@ public ResponseEntity<OrderableDto> create(
 
     return ResponseEntity.ok()
         .headers(buildLastModifiedHeader(orderable.getLastUpdated()))
-        .body(OrderableDto.newInstances(orderable));
+        .body(OrderableDto.newInstance(orderable));
   }
 
   /**
@@ -167,7 +167,7 @@ public ResponseEntity<OrderableDto> update(
 
     return ResponseEntity.ok()
         .headers(buildLastModifiedHeader(savedOrderable.getLastUpdated()))
-        .body(OrderableDto.newInstances(savedOrderable));
+        .body(OrderableDto.newInstance(savedOrderable));
   }
 
   /**
@@ -306,7 +306,7 @@ public ResponseEntity<OrderableDto> getChosenOrderable(
           || orderable.wasModifiedSince(parseHttpDateToZonedDateTime(ifModifiedDate)))
           ? ResponseEntity.ok()
           .headers(buildLastModifiedHeader(orderable.getLastUpdated()))
-          .body(OrderableDto.newInstances(orderable))
+          .body(OrderableDto.newInstance(orderable))
           : ResponseEntity.status(HttpStatus.NOT_MODIFIED)
           .headers(buildLastModifiedHeader(orderable.getLastUpdated()))
           .build();

src/test/java/org/openlmis/referencedata/service/export/OrderableImportPersisterTest.java

@@ -58,7 +58,7 @@ public class OrderableImportPersisterTest {
   public void setUp() {
     dataStream = mock(InputStream.class);
     orderable = new OrderableDataBuilder().build();
-    dto = OrderableDto.newInstances(orderable);
+    dto = OrderableDto.newInstance(orderable);
 
     ReflectionTestUtils.setField(
         orderableImportPersister,