DATAKV-206 - Support for custom identifier generators.

Original pull request: #29.

Author: Mert-Z

src/main/java/org/springframework/data/keyvalue/core/KeyValueTemplate.java

@@ -46,6 +46,7 @@
  * @author Oliver Gierke
  * @author Thomas Darimont
  * @author Mark Paluch
+ * @author Mert Zeybekler
  */
 public class KeyValueTemplate implements KeyValueOperations, ApplicationEventPublisherAware {
 
@@ -88,6 +89,26 @@ public KeyValueTemplate(KeyValueAdapter adapter,
 		this.identifierGenerator = DefaultIdentifierGenerator.INSTANCE;
 	}
 
+	/**
+	 * Create new {@link KeyValueTemplate} using the given {@link KeyValueAdapter} and {@link MappingContext}.
+	 *
+	 * @param adapter must not be {@literal null}.
+	 * @param mappingContext must not be {@literal null}.
+	 * @param identifierGenerator must not be {@literal null}.
+	 */
+	public KeyValueTemplate(KeyValueAdapter adapter,
+			MappingContext<? extends KeyValuePersistentEntity<?, ?>, ? extends KeyValuePersistentProperty<?>> mappingContext,
+			IdentifierGenerator identifierGenerator) {
+
+		Assert.notNull(adapter, "Adapter must not be null!");
+		Assert.notNull(mappingContext, "MappingContext must not be null!");
+		Assert.notNull(identifierGenerator, "IdentifierGenerator must not be null!");
+
+		this.adapter = adapter;
+		this.mappingContext = mappingContext;
+		this.identifierGenerator = identifierGenerator;
+	}
+
 	/**
 	 * Set the {@link PersistenceExceptionTranslator} used for converting {@link RuntimeException}.
 	 *