public void Can_remove_complex_column_mapping()
{
var mappingFragment
= new MappingFragment(
new EntitySet(),
new EntityTypeMapping(
new EntitySetMapping(
new EntitySet(),
new EntityContainerMapping(new EntityContainer("C", DataSpace.CSpace)))), false);
Assert.Empty(mappingFragment.ColumnMappings);
var columnProperty = new EdmProperty("C", TypeUsage.Create(new PrimitiveType()
{
DataSpace = DataSpace.SSpace
}));
var property1 = EdmProperty.CreateComplex("P1", new ComplexType("CT"));
var property2 = new EdmProperty("P2");
var columnMappingBuilder = new ColumnMappingBuilder(columnProperty, new[] { property1, property2 });
mappingFragment.AddColumnMapping(columnMappingBuilder);
Assert.Same(columnMappingBuilder, mappingFragment.ColumnMappings.Single());
Assert.NotEmpty(mappingFragment.PropertyMappings);
mappingFragment.RemoveColumnMapping(columnMappingBuilder);
Assert.Empty(mappingFragment.ColumnMappings);
Assert.Empty(mappingFragment.PropertyMappings);
}
private static void RemoveColumnMapping(
StructuralTypeMapping structuralTypeMapping,
IEnumerable <EdmProperty> propertyPath)
{
PropertyMapping propertyMapping = structuralTypeMapping.PropertyMappings.Single <PropertyMapping>((Func <PropertyMapping, bool>)(pm => object.ReferenceEquals((object)pm.Property, (object)propertyPath.First <EdmProperty>())));
if (propertyMapping is ScalarPropertyMapping)
{
structuralTypeMapping.RemovePropertyMapping(propertyMapping);
}
else
{
ComplexPropertyMapping complexPropertyMapping = (ComplexPropertyMapping)propertyMapping;
ComplexTypeMapping complexTypeMapping = complexPropertyMapping.TypeMappings.Single <ComplexTypeMapping>();
MappingFragment.RemoveColumnMapping((StructuralTypeMapping)complexTypeMapping, propertyPath.Skip <EdmProperty>(1));
if (complexTypeMapping.PropertyMappings.Any <PropertyMapping>())
{
return;
}
structuralTypeMapping.RemovePropertyMapping((PropertyMapping)complexPropertyMapping);
}
}
public static void MovePropertyMapping(
DbDatabaseMapping databaseMapping,
IEnumerable<EntitySet> entitySets,
MappingFragment fromFragment,
MappingFragment toFragment,
ColumnMappingBuilder propertyMappingBuilder,
bool requiresUpdate,
bool useExisting)
{
// move the column from the formTable to the table in fragment
if (requiresUpdate && fromFragment.Table != toFragment.Table)
{
UpdatePropertyMapping(databaseMapping, entitySets, GetColumnMappingIndex(databaseMapping), propertyMappingBuilder, fromFragment.Table, toFragment.Table, useExisting);
}
// move the propertyMapping
fromFragment.RemoveColumnMapping(propertyMappingBuilder);
toFragment.AddColumnMapping(propertyMappingBuilder);
}
public void Can_remove_complex_column_mapping()
{
var mappingFragment
= new MappingFragment(
new EntitySet(),
new EntityTypeMapping(
new EntitySetMapping(
new EntitySet(),
new EntityContainerMapping(new EntityContainer("C", DataSpace.CSpace)))), false);
Assert.Empty(mappingFragment.ColumnMappings);
var columnProperty = new EdmProperty("C", TypeUsage.Create(new PrimitiveType() { DataSpace = DataSpace.SSpace }));
var property1 = EdmProperty.CreateComplex("P1", new ComplexType("CT"));
var property2 = new EdmProperty("P2");
var columnMappingBuilder = new ColumnMappingBuilder(columnProperty, new[] { property1, property2 });
mappingFragment.AddColumnMapping(columnMappingBuilder);
Assert.Same(columnMappingBuilder, mappingFragment.ColumnMappings.Single());
Assert.NotEmpty(mappingFragment.PropertyMappings);
mappingFragment.RemoveColumnMapping(columnMappingBuilder);
Assert.Empty(mappingFragment.ColumnMappings);
Assert.Empty(mappingFragment.PropertyMappings);
}
// <summary>
// Makes sure only the required property mappings are present
// </summary>
private static void ConfigureTypeMappings(
TableMapping tableMapping,
Dictionary<EntityType, EntityTypeMapping> rootMappings,
EntityType entityType,
MappingFragment propertiesTypeMappingFragment,
MappingFragment conditionTypeMappingFragment)
{
var existingPropertyMappings =
new List<ColumnMappingBuilder>(
propertiesTypeMappingFragment.ColumnMappings.Where(pm => !pm.ColumnProperty.IsPrimaryKeyColumn));
var existingConditions = new List<ConditionPropertyMapping>(propertiesTypeMappingFragment.ColumnConditions);
foreach (var columnMapping in from cm in tableMapping.ColumnMappings
from pm in cm.PropertyMappings
where pm.EntityType == entityType
select new
{
cm.Column,
Property = pm
})
{
if (columnMapping.Property.PropertyPath != null
&&
!IsRootTypeMapping(
rootMappings, columnMapping.Property.EntityType, columnMapping.Property.PropertyPath))
{
var existingPropertyMapping =
propertiesTypeMappingFragment.ColumnMappings.SingleOrDefault(
x => x.PropertyPath == columnMapping.Property.PropertyPath);
if (existingPropertyMapping != null)
{
existingPropertyMappings.Remove(existingPropertyMapping);
}
else
{
existingPropertyMapping
= new ColumnMappingBuilder(columnMapping.Column, columnMapping.Property.PropertyPath);
propertiesTypeMappingFragment.AddColumnMapping(existingPropertyMapping);
}
}
if (columnMapping.Property.Conditions != null)
{
foreach (var condition in columnMapping.Property.Conditions)
{
if (conditionTypeMappingFragment.ColumnConditions.Contains(condition))
{
existingConditions.Remove(condition);
}
else if (!entityType.Abstract)
{
conditionTypeMappingFragment.AddConditionProperty(condition);
}
}
}
}
// Any leftover mappings are removed
foreach (var leftoverPropertyMapping in existingPropertyMappings)
{
propertiesTypeMappingFragment.RemoveColumnMapping(leftoverPropertyMapping);
}
foreach (var leftoverCondition in existingConditions)
{
conditionTypeMappingFragment.RemoveConditionProperty(leftoverCondition);
}
if (entityType.Abstract)
{
propertiesTypeMappingFragment.ClearConditions();
}
}
internal void RemoveColumnMapping(ColumnMappingBuilder columnMappingBuilder)
{
this._columnMappings.Remove(columnMappingBuilder);
MappingFragment.RemoveColumnMapping((StructuralTypeMapping)this, (IEnumerable <EdmProperty>)columnMappingBuilder.PropertyPath);
}
