From 3e4a3c3e57df3ebbcec202f4ecd7d9e636244241 Mon Sep 17 00:00:00 2001
From: datagear <datagear@163.com>
Date: Thu, 16 May 2019 20:25:56 +0800
Subject: [PATCH] =?UTF-8?q?=E7=A7=BB=E9=99=A4=E6=8A=BD=E8=B1=A1=E5=B1=9E?=
 =?UTF-8?q?=E6=80=A7=E8=AE=BE=E8=AE=A1=E6=A6=82=E5=BF=B5=EF=BC=8C=E5=B9=B6?=
 =?UTF-8?q?=E9=87=8D=E6=9E=84=E6=89=80=E6=9C=89=E7=9B=B8=E5=85=B3=E6=A8=A1?=
 =?UTF-8?q?=E5=9D=97API?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../model/support/PropertyPathInfo.java       |  25 +++
 .../web/controller/DataController.java        |  74 +++++----
 .../org/datagear/web/util/ModelUtils.java     | 144 ------------------
 3 files changed, 59 insertions(+), 184 deletions(-)

diff --git a/datagear-model/src/main/java/org/datagear/model/support/PropertyPathInfo.java b/datagear-model/src/main/java/org/datagear/model/support/PropertyPathInfo.java
index b70e0156..f3b3931e 100644
--- a/datagear-model/src/main/java/org/datagear/model/support/PropertyPathInfo.java
+++ b/datagear-model/src/main/java/org/datagear/model/support/PropertyPathInfo.java
@@ -490,6 +490,18 @@ public class PropertyPathInfo
 		}
 	}
 
+	/**
+	 * 构建{@linkplain PropertyPathInfo}。
+	 * 
+	 * @param model
+	 * @param propertyPath
+	 * @return
+	 */
+	public static PropertyPathInfo valueOf(Model model, String propertyPath)
+	{
+		return valueOf(model, PropertyPath.valueOf(propertyPath), null);
+	}
+
 	/**
 	 * 构建{@linkplain PropertyPathInfo}。
 	 * 
@@ -502,6 +514,19 @@ public class PropertyPathInfo
 		return valueOf(model, propertyPath, null);
 	}
 
+	/**
+	 * 构建{@linkplain PropertyPathInfo}。
+	 * 
+	 * @param model
+	 * @param propertyPath
+	 * @param obj
+	 * @return
+	 */
+	public static PropertyPathInfo valueOf(Model model, String propertyPath, Object obj)
+	{
+		return valueOf(model, PropertyPath.valueOf(propertyPath), null);
+	}
+
 	/**
 	 * 构建{@linkplain PropertyPathInfo}。
 	 * 
diff --git a/datagear-web/src/main/java/org/datagear/web/controller/DataController.java b/datagear-web/src/main/java/org/datagear/web/controller/DataController.java
index 93f24c1c..f06e1f5d 100644
--- a/datagear-web/src/main/java/org/datagear/web/controller/DataController.java
+++ b/datagear-web/src/main/java/org/datagear/web/controller/DataController.java
@@ -697,7 +697,7 @@ public class DataController extends AbstractSchemaModelConnController
 	{
 		final Object dataParam = getParamMap(request, "data");
 
-		final PropertyPath propertyPathObj = ModelUtils.toPropertyPath(propertyPath);
+		final PropertyPath propertyPathObj = PropertyPath.valueOf(propertyPath);
 
 		new VoidSchemaModelConnExecutor(request, response, springModel, schemaId, tableName, true)
 		{
@@ -709,7 +709,7 @@ public class DataController extends AbstractSchemaModelConnController
 
 				Object data = modelDataConverter.convert(dataParam, model);
 
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPathObj, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPathObj, data);
 
 				QueryResultMetaInfo queryResultMetaInfo = persistenceManager
 						.getQueryPropValueSourceQueryResultMetaInfo(cn, model, data, propertyPathInfo);
@@ -757,7 +757,7 @@ public class DataController extends AbstractSchemaModelConnController
 				Connection cn = getConnection();
 
 				Object data = modelDataConverter.convert(dataParam, model);
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 
 				LOBConversionContext.set(buildQueryLobConversionSetting());
 
@@ -837,7 +837,7 @@ public class DataController extends AbstractSchemaModelConnController
 				Connection cn = getConnection();
 
 				Object data = modelDataConverter.convert(dataParam, model);
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 				Model propertyModel = propertyPathInfo.getModelTail();
 				Object[] propertyValues = modelDataConverter.convertToArray(propertyValuesParam, propertyModel);
 
@@ -869,7 +869,7 @@ public class DataController extends AbstractSchemaModelConnController
 	{
 		final Object dataParam = getParamMap(request, "data");
 
-		final PropertyPath propertyPathObj = ModelUtils.toPropertyPath(propertyPath);
+		final PropertyPath propertyPathObj = PropertyPath.valueOf(propertyPath);
 
 		new VoidSchemaModelConnExecutor(request, response, springModel, schemaId, tableName, true)
 		{
@@ -902,7 +902,7 @@ public class DataController extends AbstractSchemaModelConnController
 	{
 		final Object dataParam = getParamMap(request, "data");
 		final Object propertyValueParam = getParamMap(request, "propertyValue");
-		final PropertyPath propertyPathObj = ModelUtils.toPropertyPath(propertyPath);
+		final PropertyPath propertyPathObj = PropertyPath.valueOf(propertyPath);
 		final boolean isLoadPageData = isLoadPageDataRequest(request);
 
 		new VoidSchemaModelConnExecutor(request, response, springModel, schemaId, tableName, true)
@@ -917,7 +917,7 @@ public class DataController extends AbstractSchemaModelConnController
 
 				if (propertyValueParam != null)
 				{
-					propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPathObj, data);
+					propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPathObj, data);
 
 					// 这里不应该使用convertToPropertyValue，因为它会添加双向关联，导致页面引用混乱，再保存时又会导致转换混乱
 					Object propertyValue = modelDataConverter.convert(propertyValueParam,
@@ -930,7 +930,7 @@ public class DataController extends AbstractSchemaModelConnController
 				if (isLoadPageData)
 				{
 					if (propertyPathInfo == null)
-						propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+						propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 
 					LOBConversionContext.set(buildGetLobConversionSetting());
 
@@ -983,7 +983,7 @@ public class DataController extends AbstractSchemaModelConnController
 
 				Object data = modelDataConverter.convert(dataParam, model);
 
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 
 				Object propValue = modelDataConverter.convertToPropertyValue(propertyPathInfo.getOwnerObjTail(),
 						propertyPathInfo.getOwnerModelTail(), propValueParam, propertyPathInfo.getPropertyTail());
@@ -1013,7 +1013,7 @@ public class DataController extends AbstractSchemaModelConnController
 	{
 		final Object dataParam = getParamMap(request, "data");
 		final Object propertyValueParam = getParamMap(request, "propertyValue");
-		final PropertyPath propertyPathObj = ModelUtils.toPropertyPath(propertyPath);
+		final PropertyPath propertyPathObj = PropertyPath.valueOf(propertyPath);
 		final boolean isLoadPageData = isLoadPageDataRequest(request);
 
 		new VoidSchemaModelConnExecutor(request, response, springModel, schemaId, tableName, true)
@@ -1030,7 +1030,7 @@ public class DataController extends AbstractSchemaModelConnController
 				if (isLoadPageData)
 				{
 					if (propertyPathInfo == null)
-						propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPathObj, data);
+						propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPathObj, data);
 
 					LOBConversionContext.set(buildGetLobConversionSetting());
 
@@ -1052,7 +1052,7 @@ public class DataController extends AbstractSchemaModelConnController
 				else if (propertyValueParam != null)
 				{
 					if (propertyPathInfo == null)
-						propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+						propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 
 					propertyValue = modelDataConverter.convert(propertyValueParam, propertyPathInfo.getModelTail());
 				}
@@ -1093,7 +1093,7 @@ public class DataController extends AbstractSchemaModelConnController
 
 				Object data = modelDataConverter.convert(dataParam, model);
 
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPathObj, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPathObj, data);
 
 				if (isLoadPageData)
 				{
@@ -1109,8 +1109,7 @@ public class DataController extends AbstractSchemaModelConnController
 				springModel.addAttribute("titleOperationMessageKey", "edit");
 				springModel.addAttribute(KEY_TITLE_DISPLAY_NAME,
 						ModelUtils.displayName(model, propertyPathObj, WebUtils.getLocale(request)));
-				springModel.addAttribute("isPrivateProperty",
-						ModelUtils.isPrivatePropertyTail(propertyPathInfo));
+				springModel.addAttribute("isPrivateProperty", ModelUtils.isPrivatePropertyTail(propertyPathInfo));
 			}
 		}.execute();
 
@@ -1141,7 +1140,7 @@ public class DataController extends AbstractSchemaModelConnController
 
 				Object data = modelDataConverter.convert(dataParam, model);
 
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 
 				LOBConversionContext.set(buildQueryLobConversionSetting());
 
@@ -1177,7 +1176,7 @@ public class DataController extends AbstractSchemaModelConnController
 
 				Object data = modelDataConverter.convert(dataParam, model);
 
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPathObj, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPathObj, data);
 
 				if (isLoadPageData)
 				{
@@ -1194,8 +1193,7 @@ public class DataController extends AbstractSchemaModelConnController
 				springModel.addAttribute("titleOperationMessageKey", "view");
 				springModel.addAttribute(KEY_TITLE_DISPLAY_NAME,
 						ModelUtils.displayName(model, propertyPathObj, WebUtils.getLocale(request)));
-				springModel.addAttribute("isPrivateProperty",
-						ModelUtils.isPrivatePropertyTail(propertyPathInfo));
+				springModel.addAttribute("isPrivateProperty", ModelUtils.isPrivatePropertyTail(propertyPathInfo));
 			}
 		}.execute();
 
@@ -1211,7 +1209,7 @@ public class DataController extends AbstractSchemaModelConnController
 			throws Throwable
 	{
 		final Object dataParam = getParamMap(request, "data");
-		final PropertyPath propertyPathObj = ModelUtils.toPropertyPath(propertyPath);
+		final PropertyPath propertyPathObj = PropertyPath.valueOf(propertyPath);
 
 		new VoidSchemaModelConnExecutor(request, response, springModel, schemaId, tableName, true)
 		{
@@ -1271,7 +1269,7 @@ public class DataController extends AbstractSchemaModelConnController
 				Connection cn = getConnection();
 
 				Object data = modelDataConverter.convert(dataParam, model);
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 
 				Object propValueElement = modelDataConverter.convertToPropertyValueElement(
 						propertyPathInfo.getOwnerObjTail(), propertyPathInfo.getOwnerModelTail(), propValueElementParam,
@@ -1306,7 +1304,7 @@ public class DataController extends AbstractSchemaModelConnController
 					Dialect dialect, String table, ExpressionEvaluationContext context) throws Throwable
 			{
 				Object data = modelDataConverter.convert(dataParam, model);
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 
 				Object propValueElement = modelDataConverter.convertToPropertyValueElement(
 						propertyPathInfo.getOwnerObjTail(), propertyPathInfo.getOwnerModelTail(), propValueElementParam,
@@ -1340,7 +1338,7 @@ public class DataController extends AbstractSchemaModelConnController
 				Connection cn = getConnection();
 
 				Object data = modelDataConverter.convert(dataParam, model);
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 
 				Object[] propValueElements = PMU.toArray(modelDataConverter.convertToPropertyValue(
 						propertyPathInfo.getOwnerObjTail(), propertyPathInfo.getOwnerModelTail(),
@@ -1365,7 +1363,7 @@ public class DataController extends AbstractSchemaModelConnController
 			throws Throwable
 	{
 		final Object dataParam = getParamMap(request, "data");
-		final PropertyPath propertyPathObj = ModelUtils.toPropertyPath(propertyPath);
+		final PropertyPath propertyPathObj = PropertyPath.valueOf(propertyPath);
 		final boolean isLoadPageData = isLoadPageDataRequest(request);
 
 		new VoidSchemaModelConnExecutor(request, response, springModel, schemaId, tableName, true)
@@ -1380,8 +1378,7 @@ public class DataController extends AbstractSchemaModelConnController
 
 				if (isLoadPageData)
 				{
-					PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPathObj,
-							data);
+					PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPathObj, data);
 
 					LOBConversionContext.set(buildGetLobConversionSetting());
 
@@ -1434,7 +1431,7 @@ public class DataController extends AbstractSchemaModelConnController
 				Connection cn = getConnection();
 
 				Object data = modelDataConverter.convert(dataParam, model);
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 
 				Object propValueElement = modelDataConverter.convertToPropertyValueElement(
 						propertyPathInfo.getOwnerObjTail(), propertyPathInfo.getOwnerModelTail(), propValueElementParam,
@@ -1478,7 +1475,7 @@ public class DataController extends AbstractSchemaModelConnController
 				Connection cn = getConnection();
 
 				Object data = modelDataConverter.convert(dataParam, model);
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 
 				Object[] propValueElements = PMU.toArray(modelDataConverter.convertToPropertyValue(
 						propertyPathInfo.getOwnerObjTail(), propertyPathInfo.getOwnerModelTail(),
@@ -1544,7 +1541,7 @@ public class DataController extends AbstractSchemaModelConnController
 				Connection cn = getConnection();
 
 				Object data = modelDataConverter.convert(dataParam, model);
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 				Model modelTail = propertyPathInfo.getModelTail();
 
 				Object updates = modelDataConverter.convertToPropertyValue(propertyPathInfo.getOwnerObjTail(),
@@ -1572,8 +1569,7 @@ public class DataController extends AbstractSchemaModelConnController
 					{
 						PropertyPath myPropertyPath = PropertyPath
 								.valueOf(PropertyPath.concatElementIndex(propertyPathParam, i));
-						PropertyPathInfo myPropertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model,
-								myPropertyPath, data);
+						PropertyPathInfo myPropertyPathInfo = PropertyPathInfo.valueOf(model, myPropertyPath, data);
 
 						String[] updatePropertyNames = updatePropertyNamess[i];
 						Object[] updatePropertyValueParams = updatePropertyValueParamss[i];
@@ -1635,7 +1631,7 @@ public class DataController extends AbstractSchemaModelConnController
 			throws Throwable
 	{
 		final Object dataParam = getParamMap(request, "data");
-		final PropertyPath propertyPathObj = ModelUtils.toPropertyPath(propertyPath);
+		final PropertyPath propertyPathObj = PropertyPath.valueOf(propertyPath);
 		final boolean isLoadPageData = isLoadPageDataRequest(request);
 
 		new VoidSchemaModelConnExecutor(request, response, springModel, schemaId, tableName, true)
@@ -1650,8 +1646,7 @@ public class DataController extends AbstractSchemaModelConnController
 
 				if (isLoadPageData)
 				{
-					PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPathObj,
-							data);
+					PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPathObj, data);
 
 					LOBConversionContext.set(buildGetLobConversionSetting());
 
@@ -1696,7 +1691,7 @@ public class DataController extends AbstractSchemaModelConnController
 				Connection cn = getConnection();
 
 				Object data = modelDataConverter.convert(dataParam, model);
-				PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPath, data);
+				PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, data);
 
 				List<Object> resultList = persistenceManager.getPropValueByParam(cn, model, data, propertyPathInfo);
 
@@ -1807,8 +1802,8 @@ public class DataController extends AbstractSchemaModelConnController
 
 		for (int i = 0; i < propertyNames.length; i++)
 		{
-			PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model,
-					PropertyPath.valueOf(propertyNames[i]), data);
+			PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, PropertyPath.valueOf(propertyNames[i]),
+					data);
 
 			Property tailProperty = propertyPathInfo.getPropertyTail();
 
@@ -1842,7 +1837,7 @@ public class DataController extends AbstractSchemaModelConnController
 		// 一个属性，仅查询属性值
 		if (propertyPaths.length == 1)
 		{
-			PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPaths[0], data);
+			PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPaths[0], data);
 
 			List<Object> myPropertyValues = persistenceManager.getPropValueByParam(cn, model, data, propertyPathInfo);
 
@@ -1864,8 +1859,7 @@ public class DataController extends AbstractSchemaModelConnController
 
 				for (int i = 0; i < propertyPaths.length; i++)
 				{
-					PropertyPathInfo propertyPathInfo = ModelUtils.toPropertyPathInfoConcrete(model, propertyPaths[i],
-							data);
+					PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPaths[i], data);
 					propertyValues[i] = propertyPathInfo.getValueTail();
 				}
 			}
diff --git a/datagear-web/src/main/java/org/datagear/web/util/ModelUtils.java b/datagear-web/src/main/java/org/datagear/web/util/ModelUtils.java
index 3a559a20..14a093f1 100644
--- a/datagear-web/src/main/java/org/datagear/web/util/ModelUtils.java
+++ b/datagear-web/src/main/java/org/datagear/web/util/ModelUtils.java
@@ -26,145 +26,6 @@ import org.datagear.persistence.support.PMU;
  */
 public class ModelUtils
 {
-	/**
-	 * 将属性路径字符串转换为{@linkplain PropertyPath}。
-	 * 
-	 * @param propertyPath
-	 * @return
-	 */
-	public static PropertyPath toPropertyPath(String propertyPath)
-	{
-		return PropertyPath.valueOf(propertyPath);
-	}
-
-	/**
-	 * 构建{@linkplain PropertyPathInfo}。
-	 * 
-	 * @param model
-	 * @param propertyPath
-	 * @return
-	 */
-	public static PropertyPathInfo toPropertyPathInfo(Model model, String propertyPath)
-	{
-		return toPropertyPathInfo(model, toPropertyPath(propertyPath));
-	}
-
-	/**
-	 * 构建{@linkplain PropertyPathInfo}。
-	 * 
-	 * @param model
-	 * @param propertyPath
-	 * @return
-	 */
-	public static PropertyPathInfo toPropertyPathInfo(Model model, PropertyPath propertyPath)
-	{
-		return PropertyPathInfo.valueOf(model, propertyPath);
-	}
-
-	/**
-	 * 构建{@linkplain PropertyPathInfo}。
-	 * 
-	 * @param model
-	 * @param propertyPath
-	 * @param obj
-	 * @return
-	 */
-	public static PropertyPathInfo toPropertyPathInfo(Model model, String propertyPath, Object obj)
-	{
-		return toPropertyPathInfo(model, toPropertyPath(propertyPath), obj);
-	}
-
-	/**
-	 * 构建{@linkplain PropertyPathInfo}。
-	 * 
-	 * @param model
-	 * @param propertyPath
-	 * @param obj
-	 * @return
-	 */
-	public static PropertyPathInfo toPropertyPathInfo(Model model, PropertyPath propertyPath, Object obj)
-	{
-		return PropertyPathInfo.valueOf(model, propertyPath, obj);
-	}
-
-	/**
-	 * 构建{@linkplain PropertyPathInfo}。
-	 * <p>
-	 * 如果{@linkplain PropertyPathInfo#hasModelTail()}为{@code false}，此方法将抛出
-	 * {@linkplain IllegalArgumentException}。
-	 * </p>
-	 * 
-	 * @param model
-	 * @param propertyPath
-	 * @return
-	 */
-	public static PropertyPathInfo toPropertyPathInfoConcrete(Model model, String propertyPath)
-	{
-		return toPropertyPathInfoConcrete(model, toPropertyPath(propertyPath));
-	}
-
-	/**
-	 * 构建{@linkplain PropertyPathInfo}。
-	 * <p>
-	 * 如果{@linkplain PropertyPathInfo#hasModelTail()}为{@code false}，此方法将抛出
-	 * {@linkplain IllegalArgumentException}。
-	 * </p>
-	 * 
-	 * @param model
-	 * @param propertyPath
-	 * @return
-	 */
-	public static PropertyPathInfo toPropertyPathInfoConcrete(Model model, PropertyPath propertyPath)
-	{
-		PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath);
-
-		if (!propertyPathInfo.hasModelTail())
-			throw new IllegalArgumentException(
-					"The tail Model of the property path [" + propertyPath + "] must not be null");
-
-		return propertyPathInfo;
-	}
-
-	/**
-	 * 构建{@linkplain PropertyPathInfo}。
-	 * <p>
-	 * 如果{@linkplain PropertyPathInfo#hasModelTail()}为{@code false}，此方法将抛出
-	 * {@linkplain IllegalArgumentException}。
-	 * </p>
-	 * 
-	 * @param model
-	 * @param propertyPath
-	 * @param obj
-	 * @return
-	 */
-	public static PropertyPathInfo toPropertyPathInfoConcrete(Model model, String propertyPath, Object obj)
-	{
-		return toPropertyPathInfoConcrete(model, toPropertyPath(propertyPath), obj);
-	}
-
-	/**
-	 * 构建{@linkplain PropertyPathInfo}。
-	 * <p>
-	 * 如果{@linkplain PropertyPathInfo#hasModelTail()}为{@code false}，此方法将抛出
-	 * {@linkplain IllegalArgumentException}。
-	 * </p>
-	 * 
-	 * @param model
-	 * @param propertyPath
-	 * @param obj
-	 * @return
-	 */
-	public static PropertyPathInfo toPropertyPathInfoConcrete(Model model, PropertyPath propertyPath, Object obj)
-	{
-		PropertyPathInfo propertyPathInfo = PropertyPathInfo.valueOf(model, propertyPath, obj);
-
-		if (!propertyPathInfo.hasModelTail())
-			throw new IllegalArgumentException(
-					"The tail Model of the property path [" + propertyPath + "] must not be null");
-
-		return propertyPathInfo;
-	}
-
 	/**
 	 * 判断给定属性是否是私有的。
 	 * <p>
@@ -176,12 +37,7 @@ public class ModelUtils
 	 */
 	public static boolean isPrivatePropertyTail(PropertyPathInfo propertyPathInfo)
 	{
-		if (!propertyPathInfo.hasModelTail())
-			throw new IllegalArgumentException("The tail Model of the property path ["
-					+ propertyPathInfo.getPropertyPath() + "] must not be null");
-
 		Property property = propertyPathInfo.getPropertyTail();
-
 		return PMU.isPrivate(propertyPathInfo.getOwnerModelTail(), property);
 	}