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PONHibernate - Add where clause to columns mapped to a list
 

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  1. PONHibernate - Add where clause to columns mapped to a list
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    <p>By implementing <code>ICompositeUserType</code>, about 100 columns have been mapped to an <code>IList&lt;IdentifiedValue&gt;</code>. This is an object containing the name of the column and its value.</p> <pre><code>public class IdentifiedValue { public string Name; public object Value; } public class CompanyContainer { public virtual IList&lt;IdentifiedValue&gt; Values; } </code></pre> <p>How can I now filter on one of these columns?</p> <pre><code>string columnToFilter = "Col1"; object needle = "12345A"; IQueryOver&lt;CompanyContainer, CompanyContainer&gt; query = ... // This crashes (as somewhat expected) query.Where(cc =&gt; cc.Values.Single(attr =&gt; attr.Name == columnToFilter).Value == needle); // I sort of expected this to work: query.Where(Restrictions.Eq(columnToFilter, needle)); </code></pre> <p>Unfortunately those approaches don't work.</p> <p>The fluent mapping to the IList is as follows:</p> <pre><code>var columnDefinitions = new string[] {"Col1", "Col2"}; var cols = Map(x =&gt; x.Values) .CustomType&lt;IdentifiedValueMapper&gt;() .Columns.Clear(); foreach (var column in columnDefinitions) { cols.Columns.Add(column.Name) } public class IdentifiedValueMapper : ICompositeUserType { public string[] PropertyNames { get { var result = new List&lt;string&gt;(); foreach (var column in columnDefinitions) { result.Add(column.Name); } return result.ToArray(); } } public IType[] PropertyTypes { get { var result = new List&lt;IType&gt;(); foreach (string columnName in columnDefinitions) { result.Add(NHibernateUtil.Int32); } } } public Type ReturnedClass { get { return typeof (List&lt;IdentifiedValue&gt;); } } } </code></pre>
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    1. USLaoujin
    1. USLaoujin
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    1. COCan you post the mapping between `CompanyContainer` and `IdentifiedValue`?
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      1. PONHibernate - Add where clause to columns mapped to a list
      1. USAndrew Whitaker
    2. COI found this in that class: `// Unsure whether this code is correct`. I guess that might be the origin of my problem :)
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      1. PONHibernate - Add where clause to columns mapped to a list
      1. USLaoujin
    3. COGot stuck trying to solve the issue and reposted the question here: [NHibernate - ICompositeUserType without 'physical .NET style properties'](http://stackoverflow.com/questions/19950994/nhibernate-icompositeusertype-without-physical-net-style-properties)
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      1. USLaoujin
 

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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

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