/// <summary>
/// 一对多映射
/// </summary>
/// <typeparam name="TTargetEntity"></typeparam>
/// <typeparam name="TKey"></typeparam>
/// <param name="navigationPropertyExpression"></param>
/// <param name="foreignKeyExpression"></param>
/// <param name="navigationCollectionPropertyExpression"></param>
/// <param name="willCascadeOnDelete"></param>
/// <param name="required"></param>
protected virtual void OneToManyMap <TTargetEntity, TKey>(Expression <Func <TEntity, TTargetEntity> > navigationPropertyExpression, Expression <Func <TEntity, TKey> > foreignKeyExpression, Expression <Func <TTargetEntity, ICollection <TEntity> > > navigationCollectionPropertyExpression = null, bool willCascadeOnDelete = true, bool required = true)
where TTargetEntity : class
{
Guard.ArgumentNotNull(() => navigationPropertyExpression);
Guard.ArgumentNotNull(() => foreignKeyExpression);
dynamic t = null;
if (required)
{
t = this.HasRequired(navigationPropertyExpression);
}
else
{
t = this.HasOptional(navigationPropertyExpression);
}
DependentNavigationPropertyConfiguration <TEntity> dependentNavigationPropertyConfiguration = null;
if (navigationCollectionPropertyExpression == null)
{
dependentNavigationPropertyConfiguration = t.WithMany();
}
else
{
dependentNavigationPropertyConfiguration = t.WithMany(navigationCollectionPropertyExpression);
}
dependentNavigationPropertyConfiguration.HasForeignKey(foreignKeyExpression).WillCascadeOnDelete(willCascadeOnDelete);
}
public DependentNavigationPropertyConfigurationWrapper(DependentNavigationPropertyConfiguration <TEntity> dependentNavigationPropertyConfiguration)
{
this.dependentNavigationPropertyConfiguration = dependentNavigationPropertyConfiguration;
}
