[OLINGO-1490] Update(PUT) Collection Property

lib/server-core/src/main/java/org/apache/olingo/server/core/ODataDispatcher.java

@@ -563,7 +563,20 @@ public class ODataDispatcher {
               ODataHandlerException.MessageKeys.INVALID_PAYLOAD);
         }
       }
-    } else {
+    } else if (method == HttpMethod.PUT && uriInfo.getUriResourceParts().size()==2) {
+        if (isMedia) {
+            validatePreferHeader(request);
+          }
+          validatePreconditions(request, false);
+          final ContentType requestFormat = getSupportedContentType(
+              request.getHeader(HttpHeader.CONTENT_TYPE),
+              RepresentationType.ENTITY, true);
+          final ContentType responseFormat = ContentNegotiator.
+              doContentNegotiation(uriInfo.getFormatOption(),
+              request, handler.getCustomContentTypeSupport(), RepresentationType.ENTITY);
+          handler.selectProcessor(EntityProcessor.class)
+              .updateEntity(request, response, uriInfo, requestFormat, responseFormat);
+        } else {
       throwMethodNotAllowed(method);
     }
   }

lib/server-tecsvc/src/main/java/org/apache/olingo/server/tecsvc/data/RequestValidator.java

@@ -140,13 +140,9 @@ public class RequestValidator {
     if (edmProperty.isCollection()) {
       final EntityCollection inlineEntitySet = navigationLink.getInlineEntitySet();
       if (inlineEntitySet != null) {
-        if (!isInsert && inlineEntitySet.getEntities().size() > 0) {
-          throw new DataProvider.DataProviderException("Deep update is not allowed", HttpStatusCode.BAD_REQUEST);
-        } else {
           for (final Entity entity : navigationLink.getInlineEntitySet().getEntities()) {
             validate(edmBindingTarget, entity);
           }
-        }
       }
     } else {
       final Entity inlineEntity = navigationLink.getInlineEntity();

lib/server-test/src/test/java/org/apache/olingo/server/core/ODataHandlerImplTest.java

@@ -748,7 +748,7 @@ public class ODataHandlerImplTest {
     
     dispatchMethodNotAllowed(HttpMethod.PATCH, sigletonManyNavUri, processor);
     
-    dispatchMethodNotAllowed(HttpMethod.PUT, sigletonManyNavUri, processor);
+    dispatch(HttpMethod.PUT, sigletonManyNavUri, processor);
     
     dispatch(HttpMethod.POST, sigletonManyNavUri, processor);
     verify(processor).createEntity(