Suppress unchecked casts

There is not a lot we can do about the ReflectionUtils library used in
the project. I have opted to supress the casts, so we don't end up with
unfixable warnings.

Author: bytefish

PgBulkInsert/pgbulkinsert-jpa/src/main/java/de/bytefish/pgbulkinsert/jpa/JpaMapping.java

@@ -50,10 +50,6 @@ public JpaMapping(Class<TEntity> entityClass, IPostgresTypeMapping typeMapping,
 
         super(getSchemaName(entityClass), getTableName(entityClass), usePostgresQuoting);
 
-        if (entityClass == null) {
-            throw new IllegalArgumentException("entityClass");
-        }
-
         this.entityClass = entityClass;
         this.typeMapping = typeMapping;
 
@@ -69,6 +65,7 @@ public IPostgresTypeMapping getTypeMapping() {
         return typeMapping;
     }
 
+    @SuppressWarnings("unchecked")
     private void processDataTypeAnnotations(Map<String, DataType> columnMapping) {
         Set<Field> fields = ReflectionUtils.getAllFields(entityClass);
 
@@ -100,6 +97,7 @@ private void mapFields(Class<TEntity> entityClass, IPostgresTypeMapping typeMapp
         }
     }
 
+    @SuppressWarnings("unchecked")
     private void internalMapFields(Class<TEntity> entityClass, IPostgresTypeMapping typeMapping, Map<String, DataType> columnMapping) throws Exception {
 
         Set<Method> getters = ReflectionUtils.getAllMethods(entityClass, ReflectionUtils.withModifier(Modifier.PUBLIC), ReflectionUtils.withPrefix("get"), ReflectionUtils.withParametersCount(0));