format: indent size to 2 from 4.

Author: Dreamroute

src/main/java/org/apache/ibatis/executor/keygen/SelectKeyGenerator.java

@@ -66,22 +66,22 @@ private void processGeneratedKeys(Executor executor, MappedStatement ms, Object
         Executor keyExecutor = configuration.newExecutor(executor.getTransaction(), ExecutorType.SIMPLE);
         List<Object> values = keyExecutor.query(keyStatement, parameter, RowBounds.DEFAULT, Executor.NO_RESULT_HANDLER);
         if (values.size() == 0) {
-            throw new ExecutorException("SelectKey returned no data.");
+          throw new ExecutorException("SelectKey returned no data.");
         } else if (values.size() > 1) {
-            throw new ExecutorException("SelectKey returned more than one value.");
+          throw new ExecutorException("SelectKey returned more than one value.");
         } else {
-            MetaObject metaResult = configuration.newMetaObject(values.get(0));
-            if (keyProperties.length == 1) {
-                if (metaResult.hasGetter(keyProperties[0])) {
-                    setValue(metaParam, keyProperties[0], metaResult.getValue(keyProperties[0]));
-                } else {
-                    // no getter for the property - maybe just a single value object
-                    // so try that
-                    setValue(metaParam, keyProperties[0], values.get(0));
-                }
+          MetaObject metaResult = configuration.newMetaObject(values.get(0));
+          if (keyProperties.length == 1) {
+            if (metaResult.hasGetter(keyProperties[0])) {
+              setValue(metaParam, keyProperties[0], metaResult.getValue(keyProperties[0]));
             } else {
-                handleMultipleProperties(keyProperties, metaParam, metaResult);
+              // no getter for the property - maybe just a single value object
+              // so try that
+              setValue(metaParam, keyProperties[0], values.get(0));
             }
+          } else {
+            handleMultipleProperties(keyProperties, metaParam, metaResult);
+          }
         }
       }
     } catch (ExecutorException e) {