Class DataUtils

Provides various extension methods for construction of FieldFilterFunc and casting rowsets

Inheritance

System.Object

DataUtils

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Azos

Assembly: Azos.dll

Syntax

public static class DataUtils

Methods

AllButTheseFields(IEnumerable<String>, Boolean)

Converts field names separated by ',' or ';' into a FieldFilterFunction

Declaration

public static FieldFilterFunc AllButTheseFields(this IEnumerable<string> fields, bool caseSensitive = false)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<System.String>	fields
System.Boolean	caseSensitive

Returns

Type	Description
FieldFilterFunc

AllButTheseFields(String, Boolean)

Converts field names separated by ',' or ';' into a FieldFilterFunction

Declaration

public static FieldFilterFunc AllButTheseFields(this string fields, bool caseSensitive = false)

Parameters

Type	Name	Description
System.String	fields
System.Boolean	caseSensitive

Returns

Type	Description
FieldFilterFunc

AsEnumerableOf<TDoc>(IEnumerable<Doc>)

Casts enumerable of rows (such as rowset) to the specified row type, returning empty enumerable if the source is null

Declaration

public static IEnumerable<TDoc> AsEnumerableOf<TDoc>(this IEnumerable<Doc> source)

    where TDoc : Doc

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<Doc>	source

Returns

Type	Description
System.Collections.Generic.IEnumerable<TDoc>

Type Parameters

Name	Description
TDoc

Clone<TDoc>(TDoc, String, Boolean, Boolean, Func<String, Schema.FieldDef, Boolean>, Func<String, String, Boolean>)

If source is not null, creates a shallow clone using 'source.CopyFields(copy)'

Declaration

public static TDoc Clone<TDoc>(this TDoc source, string targetName = null, bool includeAmorphousData = true, bool invokeAmorphousAfterLoad = true, Func<string, Schema.FieldDef, bool> fieldFilter = null, Func<string, string, bool> amorphousFieldFilter = null)

    where TDoc : Doc

Parameters

Type	Name	Description
TDoc	source
System.String	targetName
System.Boolean	includeAmorphousData
System.Boolean	invokeAmorphousAfterLoad
System.Func<System.String, Schema.FieldDef, System.Boolean>	fieldFilter
System.Func<System.String, System.String, System.Boolean>	amorphousFieldFilter

Returns

Type	Description
TDoc

Type Parameters

Name	Description
TDoc

LoadDoc<TDoc>(ICRUDOperations, Query<TDoc>)

Loads one document cast per Query(T) or null

Declaration

public static TDoc LoadDoc<TDoc>(this ICRUDOperations operations, Query<TDoc> query)

    where TDoc : Doc

Parameters

Type	Name	Description
ICRUDOperations	operations
Query<TDoc>	query

Returns

Type	Description
TDoc

Type Parameters

Name	Description
TDoc

LoadDocAsync<TDoc>(ICRUDOperations, Query<TDoc>)

Async version - loads one doc cast per Query(T) or null

Declaration

public static Task<TDoc> LoadDocAsync<TDoc>(this ICRUDOperations operations, Query<TDoc> query)

    where TDoc : Doc

Parameters

Type	Name	Description
ICRUDOperations	operations
Query<TDoc>	query

Returns

Type	Description
System.Threading.Tasks.Task<TDoc>

Type Parameters

Name	Description
TDoc

LoadEnumerable<TDoc>(ICRUDOperations, Query<TDoc>)

Loads docset with docs cast per Query(T) or empty enum

Declaration

public static IEnumerable<TDoc> LoadEnumerable<TDoc>(this ICRUDOperations operations, Query<TDoc> query)

    where TDoc : Doc

Parameters

Type	Name	Description
ICRUDOperations	operations
Query<TDoc>	query

Returns

Type	Description
System.Collections.Generic.IEnumerable<TDoc>

Type Parameters

Name	Description
TDoc

LoadEnumerableAsync<TDoc>(ICRUDOperations, Query<TDoc>)

Async version - loads docset with rows cast per Query(T) or empty enum

Declaration

public static Task<IEnumerable<TDoc>> LoadEnumerableAsync<TDoc>(this ICRUDOperations operations, Query<TDoc> query)

    where TDoc : Doc

Parameters

Type	Name	Description
ICRUDOperations	operations
Query<TDoc>	query

Returns

Type	Description
System.Threading.Tasks.Task<System.Collections.Generic.IEnumerable<TDoc>>

Type Parameters

Name	Description
TDoc

OnlyTheseFields(IEnumerable<String>, Boolean)

Converts field names separated by ',' or ';' into a FieldFilterFunction

Declaration

public static FieldFilterFunc OnlyTheseFields(this IEnumerable<string> fields, bool caseSensitive = false)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<System.String>	fields
System.Boolean	caseSensitive

Returns

Type	Description
FieldFilterFunc

OnlyTheseFields(String, Boolean)

Converts field names separated by ',' or ';' into a FieldFilterFunction

Declaration

public static FieldFilterFunc OnlyTheseFields(this string fields, bool caseSensitive = false)

Parameters

Type	Name	Description
System.String	fields
System.Boolean	caseSensitive

Returns

Type	Description
FieldFilterFunc

Validate(Doc, IApplication, String)

Perform app context injection and calls Validate() on a data Doc

Declaration

public static Exception Validate(this Doc doc, IApplication app, string targetName = null)

Parameters

Type	Name	Description
Doc	doc
IApplication	app
System.String	targetName

Returns

Type	Description
System.Exception