private PrincipalSearchResult <Principal> FindAll(bool returnOne)
{
GlobalDebug.WriteLineIf(GlobalDebug.Info, "PrincipalSearcher", "Entering FindAll, returnOne=" + returnOne.ToString());
if (_qbeFilter == null)
{
throw new InvalidOperationException(StringResources.PrincipalSearcherMustSetFilter);
}
// Double-check that the Principal isn't persisted. We don't allow them to assign a persisted
// Principal as the filter, but they could have persisted it after assigning it to the QueryFilter
// property.
if (!_qbeFilter.unpersisted)
{
throw new InvalidOperationException(StringResources.PrincipalSearcherPersistedPrincipal);
}
// Validate the QBE filter: make sure it doesn't have any non-scalar properties set.
if (HasReferentialPropertiesSet())
{
throw new InvalidOperationException(StringResources.PrincipalSearcherNonReferentialProps);
}
GlobalDebug.WriteLineIf(GlobalDebug.Info, "PrincipalSearcher", "FindAll: qbeFilter is non-null and passes");
ResultSet resultSet = _ctx.QueryCtx.Query(this, returnOne ? 1 : -1);
PrincipalSearchResult <Principal> fr = new PrincipalSearchResult <Principal>(resultSet);
return(fr);
}
public Principal FindOne()
{
Principal current;
this.CheckDisposed();
PrincipalSearchResult <Principal> principals = this.FindAll(true);
using (principals)
{
FindResultEnumerator <Principal> enumerator = (FindResultEnumerator <Principal>)principals.GetEnumerator();
if (!enumerator.MoveNext())
{
current = null;
}
else
{
current = enumerator.Current;
}
}
return(current);
}
private PrincipalSearchResult <Principal> FindAll(bool returnOne)
{
int num;
if (this.qbeFilter != null)
{
if (this.qbeFilter.unpersisted)
{
if (!this.HasReferentialPropertiesSet())
{
StoreCtx queryCtx = this.ctx.QueryCtx;
PrincipalSearcher principalSearcher = this;
if (returnOne)
{
num = 1;
}
else
{
num = -1;
}
ResultSet resultSet = queryCtx.Query(principalSearcher, num);
PrincipalSearchResult <Principal> principals = new PrincipalSearchResult <Principal>(resultSet);
return(principals);
}
else
{
throw new InvalidOperationException(StringResources.PrincipalSearcherNonReferentialProps);
}
}
else
{
throw new InvalidOperationException(StringResources.PrincipalSearcherPersistedPrincipal);
}
}
else
{
throw new InvalidOperationException(StringResources.PrincipalSearcherMustSetFilter);
}
}
public Principal FindOne()
{
GlobalDebug.WriteLineIf(GlobalDebug.Info, "PrincipalSearcher", "Entering FindOne()");
CheckDisposed();
using (PrincipalSearchResult <Principal> fr = FindAll(true))
{
FindResultEnumerator <Principal> fre = (FindResultEnumerator <Principal>)fr.GetEnumerator();
// If there's (at least) one result, return it. Else return null.
if (fre.MoveNext())
{
GlobalDebug.WriteLineIf(GlobalDebug.Info, "PrincipalSearcher", "FindOne(): found a principal");
return((Principal)fre.Current);
}
else
{
GlobalDebug.WriteLineIf(GlobalDebug.Info, "PrincipalSearcher", "FindOne(): found no principal");
return(null);
}
}
}
