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Class AstExpressionTaskNode

The Expression Task will execute an SSIS expression. It is often used as a convenient host for variable assignments or to serve as a placeholder for control flow branching.

Namespace: Varigence.Languages.Biml.Task
Assembly: Biml.dll
C#
    public class AstExpressionTaskNode : AstTaskBaseNode, IBindableItem, IVulcanCollectionParent, IVulcanNotifyPropertyChanged, IPropertyChangeNotificationTarget, IGetJsonProvider, INamedNode, IScopeBoundary, IReferenceableItem, IFrameworkItem, INotifyPropertyChanged, IXObjectMappingProvider, IValidationInfo, IDataErrorInfo, INamedItem, IScopedNameIndexable, IDataflowItem
    
  
Inheritance
System.Object
AstNode
AstNamedNode
AstScopeBoundaryNode
AstTaskNode
AstTaskBaseNode
AstExpressionTaskNode
Implements

IBindableItem, Varigence.Utility.Collections.IVulcanCollectionParent, Varigence.Utility.ComponentModel.IVulcanNotifyPropertyChanged, Varigence.Utility.ComponentModel.IPropertyChangeNotificationTarget, IGetJsonProvider, INamedNode, IScopeBoundary, IReferenceableItem, IFrameworkItem, System.ComponentModel.INotifyPropertyChanged, Varigence.Utility.Xml.IXObjectMappingProvider, IValidationInfo, System.ComponentModel.IDataErrorInfo, INamedItem, Varigence.Utility.Collections.IScopedNameIndexable, IDataflowItem,

Constructors

Name Description
AstExpressionTaskNode(IFrameworkItem)

Initializes a new instance of the AstExpressionTaskNode class with the specified parent node.

Properties

Name Description
Expression

Specifies the SSIS expression that will be evaluated by the Expression Task.

ExpressionDefaultValue

Gets the default value for the Expression property

FriendlyTypeName

Gets the friendly name of the type of this node

FriendlyTypeNameStatic

Gets the friendly name of the type of this node

StaticUserDefinedItems

Specifies a collection of items that are common across all instances of the same type in the framework.

Methods

Name Description
BindingScopeBoundaries()

Retrieves the permitted scope boundaries to bind references from this node.

CopyFrom(IFrameworkItem, UnboundReferences)

Instructs the node to copy property values from the supplied node into itself. This method should only be used by the internal Biml framework.

Duplicate()

Creates a duplicate of the current node

Duplicate(Dictionary<IFrameworkItem, IFrameworkItem>)

Creates a duplicate of the current node with the scoped node mapping

Duplicate(IFrameworkItem)

Creates a duplicate of the current node with the specified parent item

Duplicate(IFrameworkItem, Dictionary<IFrameworkItem, IFrameworkItem>)

Creates a duplicate of the current node with the specified parent item and scoped node mapping

DuplicateHusk(IFrameworkItem)

Creates an empty object into which the values from the current node will be duplicated. This method should only be used by the internal Biml framework

DuplicateInto(IFrameworkItem, Dictionary<IFrameworkItem, IFrameworkItem>)

Copies the values from the current node into a husk object with the specified scoped node mapping. This method should only be used by the internal Biml framework

EmitXmlForAction(AstEnginePropertyAction)

Instructs the node to make changes to its underlying Biml code that correspond to the provided action. This method should only be used by the internal Biml framework.

EmitXmlForProperty(String, Int32)

Instructs the node to make changes to its underlying Biml code that correspond to the provided property and index. This method should only be used by the internal Biml framework.

GetBimlAttributeFragment(CulturedStringBuilder)
GetBimlFragment(CulturedStringBuilder, Int32, Boolean)

Internal method used by the Biml engine to produce the XML code for the current object.

GetDefaultValue(String)

Retrieves the default value for the property with the name propertyName

GetDefaultValue<T>(String)

Retrieves the default value for the property with the name propertyName

GetJson(StringBuilder, ref Boolean, Boolean, Boolean, Boolean, Boolean, Boolean, Boolean, Boolean)

Generates a JavaScript Object Notation (JSON) representation of the current node

GetPotentialParentProperties()

Retrieves the reflection information for related properties of this node type.

GetPropertyValue(String)

Retrieves the current value for the property with the name propertyName

GetReflectionInfoFromXmlParsePath(String)

Retrieves the reflection information corresponding to the Xml parse path beginning at this node.

MergeFrom(IFrameworkItem, UnboundReferences, Boolean)

Instructs the node to merge property values from the supplied node into itself. This method should only be used by the internal Biml framework.

ParseAttribute(XAttribute, ParserContext)
StructureEquals(Object)

Compares this node to the provided object to determine if all defined children and references are equal.

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