/// <summary>
/// Sets direct property value using pre-compiled code.
/// This method is much faster than reflection (8-10x times).
/// </summary>
public void SetPropertyValue(TypedDoc doc, object value)
{
if (m_MemberSet == null)
{
throw new DataException(StringConsts.CRUD_FIELDDEF_SET_GETONLY_ERROR.Args(Name));
}
m_MemberSet(doc, value);
}
public override ConfigSectionNode ProvideMetadata(MemberInfo member, object instance, IMetadataGenerator context, ConfigSectionNode dataRoot, NodeOverrideRules overrideRules = null)
{
var schema = instance as Schema;//is a sealed class by design
if (schema == null)
{
return(null);
}
var ndoc = dataRoot.AddChildNode("schema");
if (context.DetailLevel > MetadataDetailLevel.Public)
{
ndoc.AddAttributeNode("name", schema.Name);
}
else
{
ndoc.AddAttributeNode("name", schema.TypedDocType?.Name ?? schema.Name);
}
ndoc.AddAttributeNode("read-only", schema.ReadOnly);
TypedDoc doc = null;
if (schema.TypedDocType != null)
{
ndoc.AddAttributeNode("typed-doc-type", context.AddTypeToDescribe(schema.TypedDocType));
if (!schema.TypedDocType.IsAbstract)
{
try
{ //this may fail because there may be constructor incompatibility, then we just can get instance-specific metadata
doc = Activator.CreateInstance(schema.TypedDocType, true) as TypedDoc;
context.App.InjectInto(doc);
}
catch { }
}
}
foreach (var def in schema)
{
var nfld = ndoc.AddChildNode("field");
try
{
var targetName = context.GetSchemaDataTargetName(schema, doc);
field(targetName, def, context, nfld, doc);
}
catch (Exception error)
{
var err = new CustomMetadataException(StringConsts.METADATA_GENERATION_SCHEMA_FIELD_ERROR.Args(schema.Name, def.Name, error.ToMessageWithType()), error);
nfld.AddAttributeNode("--ERROR--", StringConsts.METADATA_GENERATION_SCHEMA_FIELD_ERROR.Args(schema.Name, def.Name, "<logged>"));
context.ReportError(Log.MessageType.CriticalAlert, err);
}
}
return(ndoc);
}
/// <summary>
/// Returns schema instance for the TypedDoc instance by fetching schema object from cache or
/// creating it if it has not been cached yet
/// </summary>
public static Schema GetForTypedDoc(TypedDoc doc)
{
return(GetForTypedDoc(doc.GetType()));
}
private void field(string targetName, Schema.FieldDef def, IMetadataGenerator context, ConfigSectionNode data, TypedDoc doc)
{
var fname = def.GetBackendNameForTarget(targetName, out var fatr);
if (fatr == null)
{
return;
}
if (context.DetailLevel > MetadataDetailLevel.Public)
{
data.AddAttributeNode("prop-name", def.Name);
data.AddAttributeNode("prop-type", def.Type.AssemblyQualifiedName);
data.AddAttributeNode("non-ui", fatr.NonUI);
data.AddAttributeNode("is-arow", fatr.IsArow);
data.AddAttributeNode("store-flag", fatr.StoreFlag);
data.AddAttributeNode("backend-type", fatr.BackendType);
//try to disclose ALL metadata (as we are above PUBLIC)
if (fatr.Metadata != null && fatr.Metadata.Exists)
{
var metad = data.AddChildNode("meta");
metad.MergeSections(fatr.Metadata);
metad.MergeAttributes(fatr.Metadata);
}
}
else //try to disclose pub-only metadata
{
var pubSection = context.PublicMetadataSection;
if (fatr.Metadata != null && pubSection.IsNotNullOrWhiteSpace())
{
var metasrc = fatr.Metadata[pubSection];//<-- pub metadata only
if (metasrc.Exists)
{
var metad = data.AddChildNode("meta");
metad.MergeSections(metasrc);
metad.MergeAttributes(metasrc);
}
}
}
data.AddAttributeNode("name", fname);
data.AddAttributeNode("type", context.AddTypeToDescribe(def.Type));
data.AddAttributeNode("order", def.Order);
if (fatr.Description.IsNotNullOrWhiteSpace())
{
data.AddAttributeNode("description", fatr.Description);
}
data.AddAttributeNode("key", fatr.Key);
data.AddAttributeNode("kind", fatr.Kind);
data.AddAttributeNode("required", fatr.Required);
data.AddAttributeNode("visible", fatr.Required);
data.AddAttributeNode("case", fatr.CharCase);
if (fatr.Default != null)
{
data.AddAttributeNode("default", fatr.Default);
}
if (fatr.DisplayFormat.IsNotNullOrWhiteSpace())
{
data.AddAttributeNode("display-format", fatr.DisplayFormat);
}
if (fatr.FormatRegExp.IsNotNullOrWhiteSpace())
{
data.AddAttributeNode("format-reg-exp", fatr.FormatRegExp);
}
if (fatr.FormatDescription.IsNotNullOrWhiteSpace())
{
data.AddAttributeNode("format-description", fatr.FormatDescription);
}
if (fatr.Max != null)
{
data.AddAttributeNode("max", fatr.Max);
}
if (fatr.Min != null)
{
data.AddAttributeNode("min", fatr.Min);
}
if (fatr.MinLength > 0 || fatr.MaxLength > 0)
{
data.AddAttributeNode("min-len", fatr.MinLength);
}
if (fatr.MinLength > 0 || fatr.MaxLength > 0)
{
data.AddAttributeNode("max-len", fatr.MaxLength);
}
//add values from field attribute .ValueList property
var nvlist = new Lazy <ConfigSectionNode>(() => data.AddChildNode("value-list"));
if (fatr.HasValueList)
{
fatr.ParseValueList().ForEach(item => nvlist.Value.AddAttributeNode(item.Key, item.Value));
}
//if doc!=null call doc.GetClientFieldValueList on the instance to get values from Database lookups etc...
if (doc != null)
{
var lookup = doc.GetDynamicFieldValueList(def, targetName, null);
if (lookup != null)//non-null blank lookup is treated as blank lookup overshadowing the hard-coded choices from .ValueList
{
if (nvlist.IsValueCreated)
{
nvlist.Value.DeleteAllAttributes();
}
lookup.ForEach(item => nvlist.Value.AddAttributeNode(item.Key, item.Value));
}
}
}
/// <summary> /// Returns schema instance for the TypedDoc instance by fetching schema object from cache or /// creating it if it has not been cached yet /// </summary> public static Schema GetForTypedDoc(TypedDoc doc) => GetForTypedDoc(doc.NonNull(nameof(doc)).GetType());
private void field(Schema.FieldDef def, IMetadataGenerator context, ConfigSectionNode data, TypedDoc doc)
{
var fname = def.GetBackendNameForTarget(context.DataTargetName, out var fatr);
if (fatr == null)
{
return;
}
if (context.DetailLevel > MetadataDetailLevel.Public)
{
data.AddAttributeNode("prop-name", def.Name);
data.AddAttributeNode("prop-type", def.Type.AssemblyQualifiedName);
data.AddAttributeNode("non-ui", fatr.NonUI);
data.AddAttributeNode("is-arow", fatr.IsArow);
data.AddAttributeNode("store-flag", fatr.StoreFlag);
data.AddAttributeNode("backend-type", fatr.BackendType);
if (fatr.Metadata != null)
{
data.AddChildNode(fatr.Metadata);
}
}
data.AddAttributeNode("name", fname);
data.AddAttributeNode("type", context.AddTypeToDescribe(def.Type));
data.AddAttributeNode("order", def.Order);
if (fatr.Description.IsNotNullOrWhiteSpace())
{
data.AddAttributeNode("description", fatr.Description);
}
data.AddAttributeNode("key", fatr.Key);
if (def.Type == typeof(string))
{
data.AddAttributeNode("kind", fatr.Kind);
}
data.AddAttributeNode("required", fatr.Required);
data.AddAttributeNode("visible", fatr.Required);
data.AddAttributeNode("case", fatr.CharCase);
if (fatr.Default != null)
{
data.AddAttributeNode("default", fatr.Default);
}
if (fatr.DisplayFormat.IsNotNullOrWhiteSpace())
{
data.AddAttributeNode("display-format", fatr.DisplayFormat);
}
if (fatr.FormatRegExp.IsNotNullOrWhiteSpace())
{
data.AddAttributeNode("format-reg-exp", fatr.FormatRegExp);
}
if (fatr.FormatDescription.IsNotNullOrWhiteSpace())
{
data.AddAttributeNode("format-description", fatr.FormatDescription);
}
if (fatr.Max != null)
{
data.AddAttributeNode("max", fatr.Max);
}
if (fatr.Min != null)
{
data.AddAttributeNode("min", fatr.Min);
}
if (fatr.MinLength > 0 || fatr.MaxLength > 0)
{
data.AddAttributeNode("min-len", fatr.MinLength);
}
if (fatr.MinLength > 0 || fatr.MaxLength > 0)
{
data.AddAttributeNode("max-len", fatr.MaxLength);
}
//add values from field attribute .ValueList property
var nvlist = new Lazy <ConfigSectionNode>(() => data.AddChildNode("value-list"));
if (fatr.HasValueList)
{
fatr.ParseValueList().ForEach(item => nvlist.Value.AddAttributeNode(item.Key, item.Value));
}
//if doc!=null call doc.GetClientFieldValueList on the instance to get values from Database lookups etc...
if (doc != null)
{
var lookup = doc.GetClientFieldValueList(def, context.DataTargetName, null);
if (lookup != null)
{
lookup.ForEach(item => nvlist.Value.AddAttributeNode(item.Key, item.Value));
}
}
}