本文整理汇总了C#中System.Data.Metadata.Edm.EntityType.SetReadOnly方法的典型用法代码示例。如果您正苦于以下问题：C# EntityType.SetReadOnly方法的具体用法？C# EntityType.SetReadOnly怎么用？C# EntityType.SetReadOnly使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Data.Metadata.Edm.EntityType的用法示例。
在下文中一共展示了EntityType.SetReadOnly方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CreateEntityType
//.........这里部分代码省略.........
errors.Add(new EdmSchemaError(
Strings.NoPrimaryKeyDefined(tableKey),
(int)ModelBuilderErrorCode.NoPrimaryKeyDefined,
EdmSchemaErrorSeverity.Warning));
status = EntityCreationStatus.ReadOnly;
}
else
{
errors.Add(new EdmSchemaError(
Strings.CannotCreateEntityWithNoPrimaryKeyDefined(tableKey),
(int)ModelBuilderErrorCode.CannotCreateEntityWithoutPrimaryKey,
EdmSchemaErrorSeverity.Warning));
status = EntityCreationStatus.Invalid;
}
}
Debug.Assert(primaryKeys == null || primaryKeys.Count > 0,"There must be at least one key columns at this point in time");
IList<string> excludedColumns;
var properties = CreateEdmProperties(session, columns, tableKey, errors, out excludedColumns);
var excludedKeyColumns = (primaryKeys != null ? primaryKeys.Intersect(excludedColumns) : new string[0]).ToArray();
if (primaryKeys != null && excludedKeyColumns.Length == 0)
{
foreach (EdmMember pkColumn in properties.Where(p => primaryKeys.Contains(p.Name)))
{
if (!MetadataUtil.IsValidKeyType(_targetEntityFrameworkVersion, pkColumn.TypeUsage.EdmType))
{
// make it a read-only table by calling this method recursively with no keys
errors = new List<EdmSchemaError>();
var tableColumn = columns.Where(c => c.ColumnName == pkColumn.Name).Single();
errors.Add(new EdmSchemaError(Strings.InvalidTypeForPrimaryKey(tableColumn.GetMostQualifiedTableName(),
tableColumn.ColumnName,
tableColumn.DataType),
(int)ModelBuilderErrorCode.InvalidKeyTypeFound,
EdmSchemaErrorSeverity.Warning));
string[] keyColumns = new string[0];
CreateEntityType(session, columns, keyColumns, objectType, errors);
return;
}
}
}
if (excludedKeyColumns.Length > 0)
{
// see if we have any keys left
if (primaryKeys != null && excludedKeyColumns.Length < primaryKeys.Count)
{
primaryKeys = primaryKeys.Except(excludedKeyColumns).ToList();
status = EntityCreationStatus.ReadOnly;
}
else
{
primaryKeys = null;
status = EntityCreationStatus.Invalid;
}
foreach (string columnName in excludedKeyColumns)
{
if (status == EntityCreationStatus.ReadOnly)
{
errors.Add(new EdmSchemaError(
Strings.ExcludedColumnWasAKeyColumnEntityIsReadOnly(columnName, columns[0].GetMostQualifiedTableName()),
(int)ModelBuilderErrorCode.ExcludedColumnWasAKeyColumn,
EdmSchemaErrorSeverity.Warning));
}
else
{
Debug.Assert(status == EntityCreationStatus.Invalid, "Did we change some code above to make it possible to be something different?");
errors.Add(new EdmSchemaError(
Strings.ExcludedColumnWasAKeyColumnEntityIsInvalid(columnName, columns[0].GetMostQualifiedTableName()),
(int)ModelBuilderErrorCode.ExcludedColumnWasAKeyColumn,
EdmSchemaErrorSeverity.Warning));
}
}
}
string typeName = session.UsedTypeNames.AdjustIdentifier(columns[0].TableName);
var entityType = new EntityType(typeName, _namespaceName, DataSpace.SSpace, primaryKeys, properties);
entityType.SetReadOnly();
switch (status)
{
case EntityCreationStatus.Normal:
session.AddEntity(tableKey, entityType);
break;
case EntityCreationStatus.ReadOnly:
session.AddEntity(tableKey, entityType);
session.ReadOnlyEntities.Add(entityType);
break;
default:
Debug.Assert(status == EntityCreationStatus.Invalid, "did you add a new value?");
session.InvalidTypes.Add(entityType);
break;
}
session.AddErrorsForType(entityType, errors);
}