Class RowSchemaMapCounts

Allows the caller to track how many times each SchemaNode in the SchemaNodeList list property has been mapped. This is useful since some dataflow types can only be copied once (SingleShallow), or must be deep copied after the first copy (SingleShallowThenDeep).

Inheritance
Object
RowSchemaMapCounts
Namespace: actionETL
Assembly: actionETL.dll
Syntax
public sealed class RowSchemaMapCounts

Constructors

RowSchemaMapCounts(Int32)

Initializes a new instance of the RowSchemaMapCounts class.

Declaration
public RowSchemaMapCounts(int schemaNodeListCount)
Parameters
Type Name Description
Int32 schemaNodeListCount

The maximum number of items to be mapped.
Exceptions
Type Condition
ArgumentOutOfRangeException

schemaNodeListCount - Must be 0 or greater.

Properties

Count

Gets the maximum number of items to be mapped.

Declaration
public int Count { get; }
Property Value
Type Description
Int32

MappedCount

Gets the number of items with a mapped count greater than 0.

Declaration
public int MappedCount { get; }
Property Value
Type Description
Int32

Methods

Get(Int32)

Gets the map count for a particular (SchemaNode) index.

Declaration
public int Get(int schemaNodeListIndex)
Parameters
Type Name Description
Int32 schemaNodeListIndex

Index of the SchemaNode in the SchemaNodeList list for which to return the map count.
Returns
Type Description
Int32

The map count; 0 if not mapped.
Exceptions
Type Condition
ArgumentOutOfRangeException

schemaNodeListIndex was outside [0, number of items).

Increment(Int32)

Increments the map count for a particular (SchemaNode) index.

Declaration
public void Increment(int schemaNodeListIndex)
Parameters
Type Name Description
Int32 schemaNodeListIndex

Index of the SchemaNode in the SchemaNodeList list for which to increment the map count.
Exceptions
Type Condition
ArgumentOutOfRangeException

schemaNodeListIndex was outside [0, number of items).

IsMapped(Int32)

Determines whether the specified (SchemaNode) index is mapped.

Declaration
public bool IsMapped(int schemaNodeListIndex)
Parameters
Type Name Description
Int32 schemaNodeListIndex

Index of the SchemaNode in the SchemaNodeList list for which to return whether it is mapped or not.
Returns
Type Description
Boolean

true if the specified SchemaNode has a map count greater than 0; otherwise, false.
Exceptions
Type Condition
ArgumentOutOfRangeException

schemaNodeListIndex was outside [0, number of items).

See Also

RowSchemaBase<TRowSchema, TSchemaNode>