generic dao work

spring-hibernate4/src/main/java/org/baeldung/persistence/dao/common/AbstractHibernateDao.java

@@ -24,7 +24,7 @@ public abstract class AbstractHibernateDao<T extends Serializable> implements IO
 
     @Override
     public final T findOne(final long id) {
-        return ((T) getCurrentSession().get(clazz, id));
+        return (T) getCurrentSession().get(clazz, id);
     }
 
     @Override

spring-hibernate4/src/main/java/org/baeldung/persistence/dao/common/GenericHibernateDao.java

@@ -0,0 +1,13 @@
+package org.baeldung.persistence.dao.common;
+
+import java.io.Serializable;
+
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.context.annotation.Scope;
+import org.springframework.stereotype.Repository;
+
+@Repository
+@Scope(BeanDefinition.SCOPE_PROTOTYPE)
+public class GenericHibernateDao<T extends Serializable> extends AbstractHibernateDao<T> implements IGenericDao<T> {
+    //
+}

spring-hibernate4/src/main/java/org/baeldung/persistence/dao/common/IGenericDao.java

@@ -0,0 +1,7 @@
+package org.baeldung.persistence.dao.common;
+
+import java.io.Serializable;
+
+public interface IGenericDao<T extends Serializable> extends IOperations<T> {
+    //
+}