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InfoObjectCollection.EmptyCollection<InfoType> Class
Empty info object collection
Inheritance Hierarchy
System.Object
  CMS.Base.AbstractSimpleDataContainer<AbstractObjectCollection>
    CMS.Base.AbstractDataContainer<AbstractObjectCollection>
      CMS.Base.AbstractHierarchicalObject<AbstractObjectCollection>
        CMS.DataEngine.AbstractObjectCollection
          CMS.DataEngine.ObjectCollection<BaseInfo>
            CMS.DataEngine.InfoObjectCollection
              CMS.DataEngine.InfoObjectCollection<InfoType>
                CMS.DataEngine.InfoObjectCollection.EmptyCollection<InfoType>

Namespace: CMS.DataEngine
Assembly: CMS.DataEngine (in CMS.DataEngine.dll) Version: 8.2.23
Syntax
C#
public class EmptyCollection<InfoType> : InfoObjectCollection<InfoType>
where InfoType : new(), BaseInfo

Type Parameters

InfoType

The InfoObjectCollection. EmptyCollection< InfoType> type exposes the following members.

Constructors
Methods
  NameDescription
Public methodAdd(IEnumerable<TObject>)
Adds new object to the collection.
(Inherited from ObjectCollection<TObject>.)
Public methodAdd(BaseInfo[])
Adds new object to the collection.
(Inherited from InfoObjectCollection.)
Public methodAddCacheDependencies
Adds the given list of cache dependencies to the collection
(Inherited from InfoObjectCollection.)
Public methodAs<TargetType>
Makes a wrapper of the collection with specified type of the items.
(Inherited from InfoObjectCollection.)
Protected methodCacheDependenciesChanged
Ensures the actions when the cache dependencies have changed
(Inherited from InfoObjectCollection.)
Public methodClear
Clears the current items in the collection.
(Inherited from ObjectCollection<TObject>.)
Protected methodClearCache
Clears the collection cache
(Inherited from InfoObjectCollection.)
Public methodClone
Creates the clone of the collection.
(Inherited from InfoObjectCollection<TInfo>.)
Public methodCloneCollection
Creates the clone of this collection.
(Inherited from ObjectCollection<TObject>.)
Public methodCombineWith
Combines current instance with other properties (modifies current instace!). List properties are merged from all the participating typeinfos, other properties are taken as first non-null value (non-null is determined by nullValues collection).
(Inherited from AbstractHierarchicalObject<TObject>.)
Public methodCompareTo
Compares the current instance with another object of the same type and returns an integer that indicates whether the current instance precedes, follows, or occurs in the same position in the sort order as the other object.
(Inherited from AbstractObjectCollection.)
Public methodContainsColumn
Returns true if specified column is available in current structure.
(Inherited from AbstractDataContainer<ParentObjectType>.)
Protected methodCopyPropertiesTo
Copies the properties of this collection to the other collection
(Inherited from InfoObjectCollection.)
Public methodCreateChild
Creates the child collection based on the given provider
(Inherited from InfoObjectCollection<TInfo>.)
Public methodCreateNewObject
Creates new instance of the encapsulated object.
(Inherited from InfoObjectCollection.)
Protected methodCreateQueryProvider
Creates a LINQ query provider for this collection
(Inherited from InfoObjectCollection<TInfo>.)
Public methodDisconnect
Disconnects the collection from the database
(Inherited from AbstractObjectCollection.)
Public methodDispose
Disposes the object
(Inherited from InfoObjectCollection.)
Protected methodEnsureItems
Ensures the specified number of items in the item list.
(Inherited from ObjectCollection<TObject>.)
Protected methodEnsureObjectValues
Ensures the proper values for the given object
(Inherited from InfoObjectCollection.)
Protected methodGetCacheDependencyKeys
Gets the list of cache dependency keys on which this collection depends
(Inherited from InfoObjectCollection.)
Public methodGetCompleteWhereCondition
Gets the complete where condition for the collection
(Inherited from InfoObjectCollection.)
Protected methodGetData
Gets the data for the collection.
(Inherited from InfoObjectCollection.)
Public methodGetEmptyObject
Gets an empty object for this collection
(Inherited from ObjectCollection<TObject>.)
Public methodGetEnumerator
Gets the strongly typed enumerator for the collection
(Inherited from InfoObjectCollection<TInfo>.)
Public methodGetEnumeratorInternal
Gets the enumerator for the collection.
(Inherited from ObjectCollection<TObject>.)
Public methodGetFieldsAsObjects(String)
Gets the collection of objects that are referenced by the given property
(Inherited from InfoObjectCollection.)
Protected methodGetFieldsAsObjects(String, String)
Gets the collection of objects that are referenced by the given property
(Inherited from InfoObjectCollection.)
Protected methodGetFullData
Gets the data set of the data behind this collection
(Inherited from ObjectCollection<TObject>.)
Protected methodGetItem
Gets the item on the specified index.
(Inherited from InfoObjectCollection.)
Public methodGetItemsAsFields
Returns the updatable collection of fields of collection items
(Inherited from InfoObjectCollection.)
Public methodGetNameWhereCondition
Gets the where condition for the given object name.
(Inherited from InfoObjectCollection.)
Protected methodGetObjectByNameInternal
Gets the object by its name, internal representation that gets data from database
(Inherited from InfoObjectCollection.)
Protected methodGetObjectEnumerator
Gets the object enumerator for the collection
(Inherited from ObjectCollection<TObject>.)
Public methodGetObjectName(Object)
Returns the name of the given object
(Inherited from ObjectCollection<TObject>.)
Public methodGetObjectName(BaseInfo)
Gets the unique object name from the given object.
(Inherited from InfoObjectCollection.)
Public methodGetProperty
Gets the context property.
(Inherited from AbstractHierarchicalObject<TObject>.)
Protected methodGetPropertyType
Gets the type of the given property
(Inherited from AbstractHierarchicalObject<TObject>.)
Public methodGetSubsetOrderBy
Returns the clone of the collection with specified order by applied
(Inherited from InfoObjectCollection.)
Public methodGetSubsetWhere
Returns the clone of the collection with specified where condition applied
(Inherited from InfoObjectCollection.)
Public methodGetSubsetWhereNotEmpty
Returns the clone of the collection with specified column not being empty
(Inherited from InfoObjectCollection.)
Public methodGetValue
Gets the object value.
(Inherited from AbstractSimpleDataContainer<TObject>.)
Public methodHasSetter
Returns true if given property has a setter
(Inherited from AbstractHierarchicalObject<TObject>.)
Public methodChangeParent
Changes the parent of the collection
(Inherited from InfoObjectCollection.)
Protected methodInit
Initializes the collection to use specific object type
(Inherited from InfoObjectCollection.)
Public methodLoad
Clears the data in the collection and loads objects from the given list.
(Inherited from InfoObjectCollection.)
Public methodMakeEmpty
Makes the collection empty.
(Inherited from AbstractObjectCollection.)
Public methodReconnect
Reconnects the collection to the database
(Inherited from AbstractObjectCollection.)
Protected methodRegisterClearCacheCallback
Registers the callback to clear the collection cache
(Inherited from InfoObjectCollection.)
Protected methodRegisterColumn(String, Func<TObject, Object>)
Registers the given Column to the object
(Inherited from AbstractSimpleDataContainer<TObject>.)
Protected methodRegisterColumn(String, Func<TObject, Object>, Func<TObject, Object, Object>)
Registers the given Column to the object
(Inherited from AbstractSimpleDataContainer<TObject>.)
Protected methodRegisterColumns
Registers the Columns of this object
(Inherited from InfoObjectCollection.)
Protected methodRegisterProperties()
Registers the properties of this object
(Inherited from InfoObjectCollection<TInfo>.)
Public methodRegisterProperties(List<String>)
Registers supported properties
(Inherited from InfoObjectCollection.)
Protected methodRegisterProperty(String, Func<TObject, Object>)
Registers the given property to the object
(Inherited from AbstractHierarchicalObject<TObject>.)
Protected methodRegisterProperty(String, Object, Func<TObject, Object, Object>)
Registers the given parameterized property to the object.
(Inherited from AbstractHierarchicalObject<TObject>.)
Public methodRemove(IEnumerable<TObject>)
Removes the specified object from the collection.
(Inherited from ObjectCollection<TObject>.)
Public methodRemove(TObject[])
Removes the specified object from the collection.
(Inherited from ObjectCollection<TObject>.)
Protected methodRemoveClearCacheCallback
Removes the callback to clear the collection cache
(Inherited from InfoObjectCollection.)
Public methodSetProperty
Gets the context property.
(Inherited from AbstractHierarchicalObject<TObject>.)
Public methodSetValue
Sets the object value.
(Inherited from AbstractSimpleDataContainer<TObject>.)
Public methodSubmitChanges
Submits the changes in the collection to the database.
(Inherited from InfoObjectCollection.)
Public methodToString
Provides a string representation of the collection
(Inherited from InfoObjectCollection.)
Public methodTryGetProperty(String, Object)
Gets the context property.
(Inherited from AbstractHierarchicalObject<TObject>.)
Public methodTryGetProperty(String, Object, Boolean)
Returns value of property.
(Inherited from AbstractHierarchicalObject<TObject>.)
Public methodTryGetValue
Returns value of column.
(Inherited from AbstractSimpleDataContainer<TObject>.)
Protected methodUseData
Initializes the collection with the given source data
(Inherited from ObjectCollection<TObject>.)
Protected methodValidateItem
Validates whether the item can be member of the collection (collection can work with it). Returns true if item is valid.
(Inherited from InfoObjectCollection.)
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Extension Methods
  NameDescription
Public Extension MethodAsValue
Converts object to a query value which can be used as a query parameter
(Defined by QueryExtensions.)
Public Extension MethodGetAPIString
Gets the string by the specified resource key
(Defined by CoreExtensions.)
Public Extension MethodGetString
Gets the string by the specified resource key
(Defined by CoreExtensions.)
Public Extension MethodToBoolean
Returns the boolean representation of an object or default value if not.
(Defined by CoreExtensions.)
Public Extension MethodToDateTime
Returns the DateTime representation of an object or default value if not.
(Defined by CoreExtensions.)
Public Extension MethodToDouble
Returns the double representation of an object or default value if not.
(Defined by CoreExtensions.)
Public Extension MethodToGuid
Returns the Guid representation of an object or default value if not.
(Defined by CoreExtensions.)
Public Extension MethodToInteger
Returns the integer representation of an object or default value if not.
(Defined by CoreExtensions.)
Public Extension MethodToString
Returns the string representation of an object or default value if not.
(Defined by CoreExtensions.)
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Fields
  NameDescription
Protected fieldmAllowPaging
If true, the paging of the data is allowed (data is loaded in batches).
(Inherited from ObjectCollection<TObject>.)
Protected fieldmColumnNames
Column names
(Inherited from ObjectCollection<TObject>.)
Protected fieldmCount
Total number of items.
(Inherited from AbstractObjectCollection.)
Protected fieldmCountDifference
Difference in count of the items from data source and current number of items
(Inherited from ObjectCollection<TObject>.)
Protected fieldmDeletedItems
Deleted items removed from the collection.
(Inherited from ObjectCollection<TObject>.)
Protected fieldmDisconnectedCount
Number of disconnected references for this collection
(Inherited from AbstractObjectCollection.)
Protected fieldmFieldsAsObjects
Related objects wrappers
(Inherited from InfoObjectCollection.)
Protected fieldmInstanceGuid
Instance GUID
(Inherited from AbstractObjectCollection.)
Protected fieldmItems
Items collection.
(Inherited from ObjectCollection<TObject>.)
Protected fieldmItemsAsFields
Fields wrappers
(Inherited from InfoObjectCollection.)
Protected fieldmLoadBinaryData
Indicates whether to load binary data into the collections.
(Inherited from AbstractObjectCollection.)
Protected fieldmName
Collection name
(Inherited from AbstractObjectCollection.)
Protected fieldmNewItems
New items added to the collection.
(Inherited from ObjectCollection<TObject>.)
Protected fieldmObject
Object instance of specified type.
(Inherited from InfoObjectCollection.)
Protected fieldmObjectsByName
Objects by name.
(Inherited from ObjectCollection<TObject>.)
Protected fieldmObjectType
Object type.
(Inherited from InfoObjectCollection.)
Protected fieldmOrderBy
Order by expression.
(Inherited from InfoObjectCollection.)
Protected fieldmPageSize
Page size for loading of the items.
(Inherited from ObjectCollection<TObject>.)
Protected fieldmParentObject
Parent object instance
(Inherited from InfoObjectCollection.)
Protected fieldmSourceData
Source data for the collection
(Inherited from ObjectCollection<TObject>.)
Public fieldObjectInitializer
Provides a way how to initialize the object instance based on given data
(Inherited from InfoObjectCollection.)
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Properties
  NameDescription
Public propertyAllowPaging
If true, the paging of the data is allowed (data is loaded in batches).
(Inherited from ObjectCollection<TObject>.)
Public propertyCodeNames
Collection of the object code names
(Inherited from InfoObjectCollection.)
Public propertyColumnNames
Available column names.
(Inherited from AbstractDataContainer<ParentObjectType>.)
Public propertyColumns
Columns to get.
(Inherited from AbstractObjectCollection.)
Public propertyCount
Returns the number of items.
(Inherited from ObjectCollection<TObject>.)
Public propertyDisplayNames
Collection of the object display names
(Inherited from InfoObjectCollection.)
Public propertyDynamicWhereCondition
Dynamic where condition.
(Inherited from AbstractObjectCollection.)
Public propertyElementType
Returns the element type.
(Inherited from ObjectCollection<TObject>.)
Public propertyEnforceReadOnlyDataAccess
If true, the read only access to the data is enforced within the transaction.
(Inherited from AbstractObjectCollection.)
Public propertyExpression
Query expression
(Inherited from ObjectCollection<TObject>.)
Public propertyFieldsAsObjects
Related objects wrappers
(Inherited from InfoObjectCollection.)
Public propertyFirstItem
Returns the first item of the collection
(Inherited from ObjectCollection<TObject>.)
Public propertyGUIDs
Collection of the object GUIDs
(Inherited from InfoObjectCollection.)
Public propertyCheckLicense
If true, the collection check license when getting data
(Inherited from InfoObjectCollection.)
Public propertyIDs
Collection of the object IDs
(Inherited from InfoObjectCollection.)
Protected propertyInternalCount
Internal count of the items
(Inherited from InfoObjectCollection.)
Public propertyIsCachedObject
If true, the object is cached within the system for later use
(Inherited from InfoObjectCollection.)
Public propertyIsDisconnected
Returns true if the collection is disconnected from the data source
(Inherited from InfoObjectCollection.)
Public propertyIsLastVersion
If true, the document is the last version (retrieved using DocumentHelper.GetDocument).
(Inherited from AbstractObjectCollection.)
Public propertyIsOffline
Returns true, if the collection is offline (not backed up by the database but by the source data)
(Inherited from ObjectCollection<TObject>.)
Public propertyItem[Int32]
Gets or sets the object on specific index.
(Inherited from InfoObjectCollection<TInfo>.)
Public propertyItem[String]
Returns the object registered by the specific name.
(Inherited from InfoObjectCollection<TInfo>.)
Protected propertyItems
Returns the items collection.
(Inherited from ObjectCollection<TObject>.)
Public propertyItemsAsFields
Fields wrappers
(Inherited from InfoObjectCollection.)
Public propertyItemsHaveNames
Returns true if the items in the collection have names
(Inherited from ObjectCollection<TObject>.)
Public propertyItemType
Result type
(Inherited from ObjectCollection<TObject>.)
Public propertyLastItem
Returns the last item of the collection
(Inherited from ObjectCollection<TObject>.)
Public propertyLoadBinaryData
Gets or sets the value which indicates whether to load binary data into the collections.
(Inherited from ObjectCollection<TObject>.)
Public propertyName
Collection name. Returns object type if name is not defined
(Inherited from InfoObjectCollection.)
Public propertyNameColumn
Name column name
(Inherited from InfoObjectCollection.)
Public propertyObject
Object instance of the specified type.
(Inherited from InfoObjectCollection.)
Protected propertyObjectsByName
Objects by name collection.
(Inherited from ObjectCollection<TObject>.)
Public propertyObjectType
Returns the object type of the objects stored within the collection.
(Inherited from InfoObjectCollection.)
Public propertyOrderBy
Order by expression.
(Inherited from InfoObjectCollection.)
Public propertyParentObject
Parent object.
(Inherited from InfoObjectCollection.)
Public propertyParentStorage
Parent storage
(Inherited from AbstractObjectCollection.)
Public propertyProperties
Properties available through the context.
(Inherited from AbstractHierarchicalObject<TObject>.)
Protected propertyPropertyList
Used property list
(Inherited from AbstractHierarchicalObject<TObject>.)
Public propertyProvider
Query provider
(Inherited from ObjectCollection<TObject>.)
Protected propertyRegisteredColumns
Registered Columns
(Inherited from AbstractSimpleDataContainer<TObject>.)
Protected propertyRegisteredColumnsObject
Registered Columns object
(Inherited from AbstractSimpleDataContainer<TObject>.)
Protected propertyRegisteredProperties
Registered properties
(Inherited from AbstractHierarchicalObject<TObject>.)
Protected propertyRegisteredPropertiesObject
Registered properties object
(Inherited from AbstractHierarchicalObject<TObject>.)
Protected propertyRemovedObject
Defines the removed object within collection
(Inherited from ObjectCollection<TObject>.)
Public propertySearchText
If set, the collection filters objects to only those containing the given text
(Inherited from InfoObjectCollection.)
Public propertySiteID
Site ID to filter the collection to a particular site
(Inherited from InfoObjectCollection.)
Public propertySortNames
If true, the names in enumeration are sorted
(Inherited from ObjectCollection<TObject>.)
Public propertyTopN
Select top N objects.
(Inherited from AbstractObjectCollection.)
Public propertyTypeInfo
Type info for the collection object.
(Inherited from InfoObjectCollection.)
Public propertyUseDefaultCacheDependencies
If true, the collection uses default cache dependencies to flush it's content
(Inherited from InfoObjectCollection.)
Protected propertyUseLocalColumns
If true, the object uses local columns
(Inherited from AbstractSimpleDataContainer<TObject>.)
Protected propertyUseLocalProperties
If true, the object uses local properties
(Inherited from AbstractHierarchicalObject<TObject>.)
Public propertyUseObjectTypeCondition
If true, the collection uses the type condition to get the data
(Inherited from InfoObjectCollection.)
Public propertyWhereCondition
Where condition.
(Inherited from AbstractObjectCollection.)
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See Also