DATAES-350 - Adapt to SimpleTypeHolder changes in Spring Data Commons.

Replace constructor usage with singleton instance.

Related Ticket: DATAES-350.

Author: mp911de

src/main/java/org/springframework/data/elasticsearch/core/MappingBuilder.java

@@ -72,7 +72,7 @@ class MappingBuilder {
 	public static final String TYPE_VALUE_GEO_HASH_PREFIX = "geohash_prefix";
 	public static final String TYPE_VALUE_GEO_HASH_PRECISION = "geohash_precision";
 
-	private static SimpleTypeHolder SIMPLE_TYPE_HOLDER = new SimpleTypeHolder();
+	private static SimpleTypeHolder SIMPLE_TYPE_HOLDER = SimpleTypeHolder.DEFAULT;
 
 	static XContentBuilder buildMapping(Class clazz, String indexType, String idFieldName, String parentType) throws IOException {
 

src/test/java/org/springframework/data/elasticsearch/core/mapping/SimpleElasticsearchPersistentEntityTests.java

@@ -67,7 +67,7 @@ private static SimpleElasticsearchPersistentProperty createProperty(SimpleElasti
 			String field) {
 
 		Property property = Property.of(ReflectionUtils.findField(entity.getTypeInformation().getType(), field));
-		return new SimpleElasticsearchPersistentProperty(property, entity, new SimpleTypeHolder());
+		return new SimpleElasticsearchPersistentProperty(property, entity, SimpleTypeHolder.DEFAULT);
 
 	}