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Class Schema.FieldDef

Provides a definition for a single field of a row

Inheritance
System.Object
Schema.FieldDef
Implements
INamed
IOrdered
System.Runtime.Serialization.ISerializable
IJSONWritable
Inherited Members
System.Object.Equals(System.Object, System.Object)
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: NFX.DataAccess.CRUD
Assembly: NFX.dll
Syntax
[Serializable]
public sealed class FieldDef : INamed, IOrdered, ISerializable, IJSONWritable

Constructors

FieldDef(String, Type, FieldAttribute)

Declaration
public FieldDef(string name, Type type, FieldAttribute attr)
Parameters
Type Name Description
System.String name
System.Type type
FieldAttribute attr

FieldDef(String, Type, QuerySource.ColumnDef)

Declaration
public FieldDef(string name, Type type, QuerySource.ColumnDef columnDef)
Parameters
Type Name Description
System.String name
System.Type type
QuerySource.ColumnDef columnDef

FieldDef(String, Type, IEnumerable<FieldAttribute>)

Declaration
public FieldDef(string name, Type type, IEnumerable<FieldAttribute> attrs)
Parameters
Type Name Description
System.String name
System.Type type
System.Collections.Generic.IEnumerable<FieldAttribute> attrs

Properties

AnyTargetKey

Returns true when this field is attributed as being a key field in an attribute that targets ANY_TARGET

Declaration
public bool AnyTargetKey { get; }
Property Value
Type Description
System.Boolean

AnyVisible

Returns true when this field is attributed as being a visible in any of the targeted attribute

Declaration
public bool AnyVisible { get; }
Property Value
Type Description
System.Boolean

Attrs

Returns field attributes

Declaration
public IEnumerable<FieldAttribute> Attrs { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<FieldAttribute>

Description

Returns description from field attribute or parses it from field name

Declaration
public string Description { get; }
Property Value
Type Description
System.String

Item[String]

Returns a FieldAttribute that matches the supplied targetName, or if one was not defined then returns FieldAttribute which matches any target or null

Declaration
public FieldAttribute this[string targetName] { get; }
Parameters
Type Name Description
System.String targetName
Property Value
Type Description
FieldAttribute

MemberInfo

For TypedRow-descendants returns a PropertyInfo object for the underlying property

Declaration
public PropertyInfo MemberInfo { get; }
Property Value
Type Description
System.Reflection.PropertyInfo

Name

Returns the name of the field

Declaration
public string Name { get; }
Property Value
Type Description
System.String

NonNullableType

For nullable value types returns the field type regardless of nullability, it is the type argument of Nullable struct; For reference types returns the same type as Type property

Declaration
public Type NonNullableType { get; }
Property Value
Type Description
System.Type

NonUI

Returns true when at least one attribute was marked as NonUI - meaning that this field must not be serialized-to/deserialized-from client UI

Declaration
public bool NonUI { get; }
Property Value
Type Description
System.Boolean

Order

Gets absolute field order index in a row

Declaration
public int Order { get; }
Property Value
Type Description
System.Int32

Type

Returns the field type

Declaration
public Type Type { get; }
Property Value
Type Description
System.Type

Methods

Equals(Object)

Declaration
public override bool Equals(object obj)
Parameters
Type Name Description
System.Object obj
Returns
Type Description
System.Boolean
Overrides
System.Object.Equals(System.Object)

GetBackendNameForTarget(String)

Returns the name of the field in backend that was possibly overriden for a particular target

Declaration
public string GetBackendNameForTarget(string targetName)
Parameters
Type Name Description
System.String targetName
Returns
Type Description
System.String

GetBackendNameForTarget(String, out FieldAttribute)

Returns the name of the field in backend that was possibly overriden for a particular target along with store flag

Declaration
public string GetBackendNameForTarget(string targetName, out FieldAttribute attr)
Parameters
Type Name Description
System.String targetName
FieldAttribute attr
Returns
Type Description
System.String

GetHashCode()

Declaration
public override int GetHashCode()
Returns
Type Description
System.Int32
Overrides
System.Object.GetHashCode()

GetObjectData(SerializationInfo, StreamingContext)

Declaration
public void GetObjectData(SerializationInfo info, StreamingContext context)
Parameters
Type Name Description
System.Runtime.Serialization.SerializationInfo info
System.Runtime.Serialization.StreamingContext context

ToString()

Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
System.Object.ToString()

ValueDescription(Object, String, Boolean)

For fields with ValueList returns value's description per specified schema

Declaration
public string ValueDescription(object fieldValue, string target = null, bool caseSensitiveKeys = false)
Parameters
Type Name Description
System.Object fieldValue
System.String target
System.Boolean caseSensitiveKeys
Returns
Type Description
System.String

WriteAsJSON(TextWriter, Int32, JSONWritingOptions)

Writes fielddef as JSON. Do not call this method directly, instead call rowset.ToJSON() or use JSONWriter class

Declaration
public void WriteAsJSON(TextWriter wri, int nestingLevel, JSONWritingOptions options = null)
Parameters
Type Name Description
System.IO.TextWriter wri
System.Int32 nestingLevel
JSONWritingOptions options

Implements

INamed
IOrdered
System.Runtime.Serialization.ISerializable
IJSONWritable

Extension Methods

MiscUtils.NonNull<T>(T, Func<Exception>, String)
ObjectValueConversion.AsString(Object, String, ConvertErrorHandling)
ObjectValueConversion.AsNonNullOrEmptyString(Object)
ObjectValueConversion.AsLaconicConfig(Object, ConfigSectionNode, String, ConvertErrorHandling)
ObjectValueConversion.AsJSONConfig(Object, ConfigSectionNode, String, ConvertErrorHandling)
ObjectValueConversion.AsXMLConfig(Object, ConfigSectionNode, ConvertErrorHandling)
ObjectValueConversion.AsChar(Object, Char, ConvertErrorHandling)
ObjectValueConversion.AsNullableChar(Object, Nullable<Char>, ConvertErrorHandling)
ObjectValueConversion.AsByte(Object, Byte, ConvertErrorHandling)
ObjectValueConversion.AsNullableByte(Object, Nullable<Byte>, ConvertErrorHandling)
ObjectValueConversion.AsSByte(Object, SByte, ConvertErrorHandling)
ObjectValueConversion.AsNullableSByte(Object, Nullable<SByte>, ConvertErrorHandling)
ObjectValueConversion.AsShort(Object, Int16, ConvertErrorHandling)
ObjectValueConversion.AsNullableShort(Object, Nullable<Int16>, ConvertErrorHandling)
ObjectValueConversion.AsUShort(Object, UInt16, ConvertErrorHandling)
ObjectValueConversion.AsNullableUShort(Object, Nullable<UInt16>, ConvertErrorHandling)
ObjectValueConversion.AsInt(Object, Int32, ConvertErrorHandling)
ObjectValueConversion.AsNullableInt(Object, Nullable<Int32>, ConvertErrorHandling)
ObjectValueConversion.AsUInt(Object, UInt32, ConvertErrorHandling)
ObjectValueConversion.AsNullableUInt(Object, Nullable<UInt32>, ConvertErrorHandling)
ObjectValueConversion.AsLong(Object, Int64, ConvertErrorHandling)
ObjectValueConversion.AsNullableLong(Object, Nullable<Int64>, ConvertErrorHandling)
ObjectValueConversion.AsULong(Object, UInt64, ConvertErrorHandling)
ObjectValueConversion.AsNullableULong(Object, Nullable<UInt64>, ConvertErrorHandling)
ObjectValueConversion.AsDouble(Object, Double, ConvertErrorHandling)
ObjectValueConversion.AsNullableDouble(Object, Nullable<Double>, ConvertErrorHandling)
ObjectValueConversion.AsFloat(Object, Single, ConvertErrorHandling)
ObjectValueConversion.AsNullableFloat(Object, Nullable<Single>, ConvertErrorHandling)
ObjectValueConversion.AsDecimal(Object, Decimal, ConvertErrorHandling)
ObjectValueConversion.AsNullableDecimal(Object, Nullable<Decimal>, ConvertErrorHandling)
ObjectValueConversion.AsBool(Object, Boolean, ConvertErrorHandling)
ObjectValueConversion.AsNullableBool(Object, Nullable<Boolean>, ConvertErrorHandling)
ObjectValueConversion.AsGUID(Object, Guid, ConvertErrorHandling)
ObjectValueConversion.AsNullableGUID(Object, Nullable<Guid>, ConvertErrorHandling)
ObjectValueConversion.AsDateTime(Object)
ObjectValueConversion.AsDateTime(Object, DateTime, ConvertErrorHandling)
ObjectValueConversion.AsNullableDateTime(Object, Nullable<DateTime>, ConvertErrorHandling)
ObjectValueConversion.AsGDID(Object)
ObjectValueConversion.AsGDID(Object, GDID, ConvertErrorHandling)
ObjectValueConversion.AsNullableGDID(Object, Nullable<GDID>, ConvertErrorHandling)
ObjectValueConversion.AsGDIDSymbol(Object)
ObjectValueConversion.AsGDIDSymbol(Object, GDIDSymbol, ConvertErrorHandling)
ObjectValueConversion.AsNullableGDIDSymbol(Object, Nullable<GDIDSymbol>, ConvertErrorHandling)
ObjectValueConversion.AsTimeSpan(Object)
ObjectValueConversion.AsTimeSpan(Object, TimeSpan, ConvertErrorHandling)
ObjectValueConversion.AsNullableTimeSpan(Object, Nullable<TimeSpan>, ConvertErrorHandling)
ObjectValueConversion.AsEnum<TEnum>(Object, TEnum, ConvertErrorHandling)
ObjectValueConversion.AsNullableEnum<TEnum>(Object, Nullable<TEnum>, ConvertErrorHandling)
ObjectValueConversion.AsUri(Object, Uri, ConvertErrorHandling)
JSONExtensions.ToJSON(Object, JSONWritingOptions)
JSONExtensions.ToJSON(Object, TextWriter, JSONWritingOptions)
JSONExtensions.ToJSON(Object, Stream, JSONWritingOptions, Encoding)
ErlObject.ToErlObject(Object)
ErlObject.ToErlObject(Object, ErlTypeOrder, Boolean)
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