Class MetaObject
Inheritance
Implements
Inherited Members
Namespace: Mediachase.BusinessFoundation.Data.Meta
Assembly: Mediachase.BusinessFoundation.Data.dll
Version: 10.8.0Syntax
public class MetaObject : IMetaObjectChangeTracking, IChangeTracking, IMetaObjectDeleteTracking, IDisposable, ICloneable, IXmlSerializableConstructors
MetaObject()
Declaration
public MetaObject()MetaObject(MetaClass)
Initializes a new instance of the MetaObject class.
Declaration
public MetaObject(MetaClass metaType)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
MetaObject(MetaClass, MetaObjectOptions)
Initializes a new instance of the MetaObject class.
Declaration
public MetaObject(MetaClass metaType, MetaObjectOptions options)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Meta Type of the object. |
| MetaObjectOptions | options | The options. |
MetaObject(MetaClass, PrimaryKeyId)
Initializes a new instance of the MetaObject class.
Declaration
public MetaObject(MetaClass metaType, PrimaryKeyId primaryKeyId)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| PrimaryKeyId | primaryKeyId | The primary key id. |
MetaObject(MetaClass, PrimaryKeyId, MetaObjectOptions)
Initializes a new instance of the MetaObject class.
Declaration
public MetaObject(MetaClass metaType, PrimaryKeyId primaryKeyId, MetaObjectOptions options)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Meta Type of the object. |
| PrimaryKeyId | primaryKeyId | The primary key id. |
| MetaObjectOptions | options | The options. |
MetaObject(MetaClass, CustomTableRow)
Declaration
public MetaObject(MetaClass metaType, CustomTableRow row)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | |
| CustomTableRow | row |
MetaObject(MetaClass, CustomTableRow, MetaObjectOptions)
Initializes a new instance of the MetaObject class.
Declaration
public MetaObject(MetaClass metaType, CustomTableRow row, MetaObjectOptions options)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| CustomTableRow | row | The row. |
| MetaObjectOptions | options | The options. |
Properties
InnerExtensions
Gets or sets the inner extensions.
Declaration
protected Dictionary<MetaObjectExtensionInfo, IMetaObjectExtension> InnerExtensions { get; }Property Value
| Type | Description |
|---|---|
| System.Collections.Generic.Dictionary<MetaObjectExtensionInfo, IMetaObjectExtension> | The inner extensions. |
IsChanged
Determines whether this instance is changed.
Declaration
protected virtual bool IsChanged { get; }Property Value
| Type | Description |
|---|---|
| System.Boolean |
|
IsDeleted
Declaration
protected virtual bool IsDeleted { get; }Property Value
| Type | Description |
|---|---|
| System.Boolean |
IsValid
Gets or sets a value indicating whether this instance is valid.
Declaration
public bool IsValid { get; protected set; }Property Value
| Type | Description |
|---|---|
| System.Boolean |
|
Item[Int32]
Gets or sets the System.Object at the specified index.
Declaration
public object this[int index] { get; set; }Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | index |
Property Value
| Type | Description |
|---|---|
| System.Object |
Item[String]
Gets or sets the System.Object with the specified field name.
Declaration
public object this[string fieldName] { get; set; }Parameters
| Type | Name | Description |
|---|---|---|
| System.String | fieldName |
Property Value
| Type | Description |
|---|---|
| System.Object |
ObjectState
Gets the state.
Declaration
public MetaObjectState ObjectState { get; protected set; }Property Value
| Type | Description |
|---|---|
| MetaObjectState | The state. |
Options
Gets the options.
Declaration
protected MetaObjectOptions Options { get; }Property Value
| Type | Description |
|---|---|
| MetaObjectOptions | The options. |
PrimaryKeyId
Gets the primary key id.
Declaration
public PrimaryKeyId? PrimaryKeyId { get; protected set; }Property Value
| Type | Description |
|---|---|
| System.Nullable<PrimaryKeyId> | The primary key id. |
Properties
Gets the properties.
Declaration
public MetaObjectPropertyCollection Properties { get; }Property Value
| Type | Description |
|---|---|
| MetaObjectPropertyCollection | The properties. |
Validators
Gets the validatord.
Declaration
public ValidatorCollection Validators { get; }Property Value
| Type | Description |
|---|---|
| ValidatorCollection | The validatord. |
Methods
AcceptChanges()
Accepts the changes.
Declaration
protected virtual void AcceptChanges()Clone()
Creates a new object that is a copy of the current instance.
Declaration
public object Clone()Returns
| Type | Description |
|---|---|
| System.Object | A new object that is a copy of this instance. |
Delete()
Deletes this instance.
Declaration
public virtual void Delete()Dispose()
Declaration
public void Dispose()Dispose(Boolean)
Declaration
protected virtual void Dispose(bool disposing)Parameters
| Type | Name | Description |
|---|---|---|
| System.Boolean | disposing |
GetCardMetaType()
Gets the type of the card meta.
Declaration
public MetaClass GetCardMetaType()Returns
| Type | Description |
|---|---|
| MetaClass |
GetCardProperty()
Gets the card property.
Declaration
public MetaObjectProperty GetCardProperty()Returns
| Type | Description |
|---|---|
| MetaObjectProperty |
GetChangedFields()
Gets the changed fields.
Declaration
protected virtual string[] GetChangedFields()Returns
| Type | Description |
|---|---|
| System.String[] |
GetExtension(Type)
Gets the extension.
Declaration
public IMetaObjectExtension GetExtension(Type extensionType)Parameters
| Type | Name | Description |
|---|---|---|
| System.Type | extensionType | Type of the extension. |
Returns
| Type | Description |
|---|---|
| IMetaObjectExtension |
GetExtension<T>()
Gets the extension.
Declaration
public T GetExtension<T>()
where T : IMetaObjectExtension, new()Returns
| Type | Description |
|---|---|
| T |
Type Parameters
| Name | Description |
|---|---|
| T |
GetMetaType()
Gets the meta type of the object.
Declaration
public MetaClass GetMetaType()Returns
| Type | Description |
|---|---|
| MetaClass |
GetOriginalValue(String)
Gets the original value.
Declaration
protected virtual object GetOriginalValue(string fieldName)Parameters
| Type | Name | Description |
|---|---|---|
| System.String | fieldName | Name of the field. |
Returns
| Type | Description |
|---|---|
| System.Object |
GetSchema()
This property is reserved, apply the System.Xml.Serialization.XmlSchemaProviderAttribute to the class instead.
Declaration
protected virtual XmlSchema GetSchema()Returns
| Type | Description |
|---|---|
| System.Xml.Schema.XmlSchema | An System.Xml.Schema.XmlSchema that describes the XML representation of the object that is produced by the System.Xml.Serialization.IXmlSerializable.WriteXml(System.Xml.XmlWriter) method and consumed by the System.Xml.Serialization.IXmlSerializable.ReadXml(System.Xml.XmlReader) method. |
GetTotalCount(MetaClass, FilterElement[])
Gets the total count.
Declaration
public static int GetTotalCount(MetaClass metaType, params FilterElement[] filters)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| FilterElement[] | filters | The filters. |
Returns
| Type | Description |
|---|---|
| System.Int32 |
GetUniqueKey(MetaClass, Nullable<PrimaryKeyId>)
Gets the unique key.
Declaration
public static string GetUniqueKey(MetaClass metaClass, PrimaryKeyId? primaryKeyId)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaClass | The meta class. |
| System.Nullable<PrimaryKeyId> | primaryKeyId | The primary key id. |
Returns
| Type | Description |
|---|---|
| System.String |
GetUniqueKey(MetaObject)
Gets the unique key.
Declaration
public static string GetUniqueKey(MetaObject metaObject)Parameters
| Type | Name | Description |
|---|---|---|
| MetaObject | metaObject | The meta object. |
Returns
| Type | Description |
|---|---|
| System.String |
GetUniqueKey(String, Nullable<PrimaryKeyId>)
Gets the unique key.
Declaration
public static string GetUniqueKey(string metaClassName, PrimaryKeyId? primaryKeyId)Parameters
| Type | Name | Description |
|---|---|---|
| System.String | metaClassName | Name of the meta class. |
| System.Nullable<PrimaryKeyId> | primaryKeyId | The primary key id. |
Returns
| Type | Description |
|---|---|
| System.String |
InitExtensions()
Inits the extensions.
Declaration
protected void InitExtensions()IsExtensionActivated(Type)
Determines whether [is extension activated] [the specified extension type].
Declaration
protected virtual bool IsExtensionActivated(Type extensionType)Parameters
| Type | Name | Description |
|---|---|---|
| System.Type | extensionType | Type of the extension. |
Returns
| Type | Description |
|---|---|
| System.Boolean |
|
IsExtensionActivated<T>()
Determines whether is extension activated.
Declaration
protected bool IsExtensionActivated<T>()
where T : IMetaObjectExtension, new()Returns
| Type | Description |
|---|---|
| System.Boolean |
|
Type Parameters
| Name | Description |
|---|---|
| T |
IsFieldChanged(String)
Declaration
protected virtual bool IsFieldChanged(string fieldName)Parameters
| Type | Name | Description |
|---|---|---|
| System.String | fieldName |
Returns
| Type | Description |
|---|---|
| System.Boolean |
List(MetaClass)
Lists the specified meta type.
Declaration
public static MetaObject[] List(MetaClass metaType)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
Returns
| Type | Description |
|---|---|
| MetaObject[] |
List(MetaClass, FilterElement[])
Lists the specified meta type.
Declaration
public static MetaObject[] List(MetaClass metaType, params FilterElement[] filters)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| FilterElement[] | filters | The filters. |
Returns
| Type | Description |
|---|---|
| MetaObject[] |
List(MetaClass, FilterElementCollection, SortingElementCollection)
Lists the specified meta type.
Declaration
public static MetaObject[] List(MetaClass metaType, FilterElementCollection filters, SortingElementCollection sorting)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| FilterElementCollection | filters | The filters. |
| SortingElementCollection | sorting | The sorting. |
Returns
| Type | Description |
|---|---|
| MetaObject[] |
List(MetaClass, FilterElementCollection, SortingElementCollection, Int32, Int32)
Lists the specified meta type.
Declaration
public static MetaObject[] List(MetaClass metaType, FilterElementCollection filters, SortingElementCollection sorting, int start, int count)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| FilterElementCollection | filters | The filters. |
| SortingElementCollection | sorting | The sorting. |
| System.Int32 | start | The start. |
| System.Int32 | count | The count. |
Returns
| Type | Description |
|---|---|
| MetaObject[] |
List(MetaClass, SortingElement[])
Lists the specified meta type.
Declaration
public static MetaObject[] List(MetaClass metaType, params SortingElement[] sorting)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| SortingElement[] | sorting | The sorting. |
Returns
| Type | Description |
|---|---|
| MetaObject[] |
List<T>(MetaClass)
Lists this instance.
Declaration
public static T[] List<T>(MetaClass metaType)
where T : MetaObjectParameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType |
Returns
| Type | Description |
|---|---|
| T[] |
Type Parameters
| Name | Description |
|---|---|
| T |
List<T>(MetaClass, FilterElement[])
Lists the specified meta type.
Declaration
public static T[] List<T>(MetaClass metaType, params FilterElement[] filters)
where T : MetaObjectParameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| FilterElement[] | filters | The filters. |
Returns
| Type | Description |
|---|---|
| T[] |
Type Parameters
| Name | Description |
|---|---|
| T |
List<T>(MetaClass, FilterElementCollection, SortingElementCollection)
Lists the specified meta type.
Declaration
public static T[] List<T>(MetaClass metaType, FilterElementCollection filters, SortingElementCollection sorting)
where T : MetaObjectParameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| FilterElementCollection | filters | The filters. |
| SortingElementCollection | sorting | The sorting. |
Returns
| Type | Description |
|---|---|
| T[] |
Type Parameters
| Name | Description |
|---|---|
| T |
List<T>(MetaClass, FilterElementCollection, SortingElementCollection, MetaField[])
Lists the specified meta type.
Declaration
public static T[] List<T>(MetaClass metaType, FilterElementCollection filters, SortingElementCollection sorting, MetaField[] availableFields)
where T : MetaObjectParameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| FilterElementCollection | filters | The filters. |
| SortingElementCollection | sorting | The sorting. |
| MetaField[] | availableFields | The available fields. |
Returns
| Type | Description |
|---|---|
| T[] |
Type Parameters
| Name | Description |
|---|---|
| T |
List<T>(MetaClass, FilterElementCollection, SortingElementCollection, Int32, Int32)
Lists the specified meta type.
Declaration
public static T[] List<T>(MetaClass metaType, FilterElementCollection filters, SortingElementCollection sorting, int start, int count)
where T : MetaObjectParameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| FilterElementCollection | filters | The filters. |
| SortingElementCollection | sorting | The sorting. |
| System.Int32 | start | The start. |
| System.Int32 | count | The count. |
Returns
| Type | Description |
|---|---|
| T[] |
Type Parameters
| Name | Description |
|---|---|
| T |
List<T>(MetaClass, SortingElement[])
Lists the specified meta type.
Declaration
public static T[] List<T>(MetaClass metaType, params SortingElement[] sorting)
where T : MetaObjectParameters
| Type | Name | Description |
|---|---|---|
| MetaClass | metaType | Type of the meta. |
| SortingElement[] | sorting | The sorting. |
Returns
| Type | Description |
|---|---|
| T[] |
Type Parameters
| Name | Description |
|---|---|
| T |
LoadAllExtensions()
Declaration
protected virtual void LoadAllExtensions()LoadCard(CustomTableRow)
Declaration
protected void LoadCard(CustomTableRow srcRow)Parameters
| Type | Name | Description |
|---|---|---|
| CustomTableRow | srcRow |
LoadCardProperties(MetaClass)
Loads the card.
Declaration
protected void LoadCardProperties(MetaClass cardMetaType)Parameters
| Type | Name | Description |
|---|---|---|
| MetaClass | cardMetaType | Type of the card meta. |
LoadCardProperties(CustomTableRow, MetaClass)
Declaration
protected void LoadCardProperties(CustomTableRow srcRow, MetaClass cardMetaType)Parameters
| Type | Name | Description |
|---|---|---|
| CustomTableRow | srcRow | |
| MetaClass | cardMetaType |
LoadExtensions(MetaObjectExtensionActivationType)
Loads the extensions.
Declaration
protected virtual void LoadExtensions(MetaObjectExtensionActivationType activationType)Parameters
| Type | Name | Description |
|---|---|---|
| MetaObjectExtensionActivationType | activationType | Type of the activation. |
OnClone(MetaObject)
Copies the parameters.
Declaration
protected virtual void OnClone(MetaObject destMetaObject)Parameters
| Type | Name | Description |
|---|---|---|
| MetaObject | destMetaObject | The destination meta object. |
OnDeleted()
Called after a delete operation.
Declaration
protected virtual void OnDeleted()OnDeleting()
Called before a delete operation.
Declaration
protected virtual void OnDeleting()OnLoad()
Called when object is loaded.
Declaration
protected virtual void OnLoad()OnReadXml(XmlReader)
Declaration
protected virtual void OnReadXml(XmlReader reader)Parameters
| Type | Name | Description |
|---|---|---|
| System.Xml.XmlReader | reader |
OnSaved()
Called when [saved].
Declaration
protected virtual void OnSaved()OnSaving()
Called when [saving].
Declaration
protected virtual void OnSaving()OnTransactionCommitted()
Called when [transaction committed].
Declaration
protected virtual void OnTransactionCommitted()OnValidate()
Declaration
protected virtual void OnValidate()OnWriteXml(XmlWriter)
Declaration
protected virtual void OnWriteXml(XmlWriter writer)Parameters
| Type | Name | Description |
|---|---|---|
| System.Xml.XmlWriter | writer |
RaiseDeleteEmbeddedExtensions()
Raises the delete embedded services.
Declaration
protected virtual void RaiseDeleteEmbeddedExtensions()RaiseDisposeEmbeddedExtensions()
Raises the dispose embedded services.
Declaration
protected virtual void RaiseDisposeEmbeddedExtensions()RaisePreSaveEmbeddedExtensions()
Raises the save embedded services.
Declaration
protected virtual void RaisePreSaveEmbeddedExtensions()RaiseSaveEmbeddedExtensions()
Raises the save embedded services.
Declaration
protected virtual void RaiseSaveEmbeddedExtensions()ReadObjectFromXml(XmlReader)
Declaration
protected virtual object ReadObjectFromXml(XmlReader reader)Parameters
| Type | Name | Description |
|---|---|---|
| System.Xml.XmlReader | reader |
Returns
| Type | Description |
|---|---|
| System.Object |
ReadXml(XmlReader)
Generates an object from its XML representation.
Declaration
protected void ReadXml(XmlReader reader)Parameters
| Type | Name | Description |
|---|---|---|
| System.Xml.XmlReader | reader | The System.Xml.XmlReader stream from which the object is deserialized. |
Save()
Saves this instance.
Declaration
public void Save()Save(Boolean)
Saves this instance.
Declaration
public virtual void Save(bool forceSave)Parameters
| Type | Name | Description |
|---|---|---|
| System.Boolean | forceSave | if set to |
ToString()
Returns a System.String that represents the current System.Object.
Declaration
public override string ToString()Returns
| Type | Description |
|---|---|
| System.String | A System.String that represents the current System.Object. |
Overrides
TryGetExtension(Type, out IMetaObjectExtension)
Tries the get extension.
Declaration
public virtual bool TryGetExtension(Type extensionType, out IMetaObjectExtension extenson)Parameters
| Type | Name | Description |
|---|---|---|
| System.Type | extensionType | Type of the extension. |
| IMetaObjectExtension | extenson | The extenson. |
Returns
| Type | Description |
|---|---|
| System.Boolean |
TryGetExtension<T>(out T)
Tries the get extension.
Declaration
public bool TryGetExtension<T>(out T extenson)
where T : IMetaObjectExtension, new()Parameters
| Type | Name | Description |
|---|---|---|
| T | extenson | The extenson. |
Returns
| Type | Description |
|---|---|
| System.Boolean |
Type Parameters
| Name | Description |
|---|---|
| T |
Validate()
Declaration
public void Validate()WriteObjectToXml(XmlWriter, Object)
Declaration
protected virtual void WriteObjectToXml(XmlWriter writer, object value)Parameters
| Type | Name | Description |
|---|---|---|
| System.Xml.XmlWriter | writer | |
| System.Object | value |
WriteXml(XmlWriter)
Converts an object into its XML representation.
Declaration
protected void WriteXml(XmlWriter writer)Parameters
| Type | Name | Description |
|---|---|---|
| System.Xml.XmlWriter | writer | The System.Xml.XmlWriter stream to which the object is serialized. |
Explicit Interface Implementations
IChangeTracking.AcceptChanges()
Accepts the changes.
Declaration
void IChangeTracking.AcceptChanges()IChangeTracking.IsChanged
Gets a value indicating whether this instance is changed.
Declaration
bool IChangeTracking.IsChanged { get; }Returns
| Type | Description |
|---|---|
| System.Boolean |
|
IMetaObjectChangeTracking.GetChangedFields()
Gets the modified fields.
Declaration
string[] IMetaObjectChangeTracking.GetChangedFields()Returns
| Type | Description |
|---|---|
| System.String[] | The modified fields. |
IMetaObjectChangeTracking.GetOriginalValue(String)
Gets the original value.
Declaration
object IMetaObjectChangeTracking.GetOriginalValue(string fieldName)Parameters
| Type | Name | Description |
|---|---|---|
| System.String | fieldName | Name of the field. |
Returns
| Type | Description |
|---|---|
| System.Object |
IMetaObjectChangeTracking.IsFieldChanged(String)
Determines whether [is field changed] [the specified field name].
Declaration
bool IMetaObjectChangeTracking.IsFieldChanged(string fieldName)Parameters
| Type | Name | Description |
|---|---|---|
| System.String | fieldName | Name of the field. |
Returns
| Type | Description |
|---|---|
| System.Boolean |
|
IMetaObjectChangeTracking.PrimaryKeyId
Gets the primary key id.
Declaration
int IMetaObjectChangeTracking.PrimaryKeyId { get; }Returns
| Type | Description |
|---|---|
| System.Int32 | The primary key id. |
IMetaObjectDeleteTracking.IsDeleted
Gets a value indicating whether this instance is deleted.
Declaration
bool IMetaObjectDeleteTracking.IsDeleted { get; }Returns
| Type | Description |
|---|---|
| System.Boolean |
|
IMetaObjectDeleteTracking.PrimaryKeyId
Gets the primary key id.
Declaration
PrimaryKeyId IMetaObjectDeleteTracking.PrimaryKeyId { get; }Returns
| Type | Description |
|---|---|
| PrimaryKeyId | The primary key id. |
