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Lidarr/Marr.Data/Mapping/Strategies/ConventionMapStrategy.cs

51 lines
1.7 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;
using System.Collections;
namespace Marr.Data.Mapping.Strategies
{
/// <summary>
/// Allows you to specify a member based filter by defining predicates that filter the members that are mapped.
/// </summary>
public class ConventionMapStrategy : ReflectionMapStrategyBase
{
public ConventionMapStrategy(bool publicOnly)
: base(publicOnly)
{
// Default: Only map members that are properties
ColumnPredicate = m => m.MemberType == MemberTypes.Property;
// Default: Only map members that are properties and that are ICollection types
RelationshipPredicate = m =>
{
return m.MemberType == MemberTypes.Property && typeof(ICollection).IsAssignableFrom((m as PropertyInfo).PropertyType);
};
}
public Func<MemberInfo, bool> ColumnPredicate;
public Func<MemberInfo, bool> RelationshipPredicate;
protected override void CreateColumnMap(Type entityType, System.Reflection.MemberInfo member, ColumnAttribute columnAtt, ColumnMapCollection columnMaps)
{
if (ColumnPredicate(member))
{
// Map public property to DB column
columnMaps.Add(new ColumnMap(member));
}
}
protected override void CreateRelationship(Type entityType, System.Reflection.MemberInfo member, RelationshipAttribute relationshipAtt, RelationshipCollection relationships)
{
if (RelationshipPredicate(member))
{
relationships.Add(new Relationship(member));
}
}
}
}