internal DataRow FindMetaDataCollectionRow(string collectionName)
{
bool versionFailure;
bool haveExactMatch;
bool haveMultipleInexactMatches;
string candidateCollectionName;
DataTable metaDataCollectionsTable = _metaDataCollectionsDataSet.Tables[DbMetaDataCollectionNames.MetaDataCollections];
if (metaDataCollectionsTable == null)
{
throw ADP.InvalidXml();
}
DataColumn collectionNameColumn = metaDataCollectionsTable.Columns[DbMetaDataColumnNames.CollectionName];
if ((null == collectionNameColumn) || (typeof(System.String) != collectionNameColumn.DataType))
{
throw ADP.InvalidXmlMissingColumn(DbMetaDataCollectionNames.MetaDataCollections, DbMetaDataColumnNames.CollectionName);
}
DataRow requestedCollectionRow = null;
String exactCollectionName = null;
// find the requested collection
versionFailure = false;
haveExactMatch = false;
haveMultipleInexactMatches = false;
foreach (DataRow row in metaDataCollectionsTable.Rows)
{
candidateCollectionName = row[collectionNameColumn, DataRowVersion.Current] as string;
if (ADP.IsEmpty(candidateCollectionName))
{
throw ADP.InvalidXmlInvalidValue(DbMetaDataCollectionNames.MetaDataCollections, DbMetaDataColumnNames.CollectionName);
}
if (ADP.CompareInsensitiveInvariant(candidateCollectionName, collectionName))
{
if (SupportedByCurrentVersion(row) == false)
{
versionFailure = true;
}
else
{
if (collectionName == candidateCollectionName)
{
if (haveExactMatch == true)
{
throw ADP.CollectionNameIsNotUnique(collectionName);
}
requestedCollectionRow = row;
exactCollectionName = candidateCollectionName;
haveExactMatch = true;
}
else
{
// have an inexact match - ok only if it is the only one
if (exactCollectionName != null)
{
// can't fail here becasue we may still find an exact match
haveMultipleInexactMatches = true;
}
requestedCollectionRow = row;
exactCollectionName = candidateCollectionName;
}
}
}
}
if (requestedCollectionRow == null)
{
if (versionFailure == false)
{
throw ADP.UndefinedCollection(collectionName);
}
else
{
throw ADP.UnsupportedVersion(collectionName);
}
}
if ((haveExactMatch == false) && (haveMultipleInexactMatches == true))
{
throw ADP.AmbigousCollectionName(collectionName);
}
return(requestedCollectionRow);
}
internal DataRow FindMetaDataCollectionRow(string collectionName)
{
DataTable table = this._metaDataCollectionsDataSet.Tables[DbMetaDataCollectionNames.MetaDataCollections];
if (table == null)
{
throw ADP.InvalidXml();
}
DataColumn column = table.Columns[DbMetaDataColumnNames.CollectionName];
if ((column == null) || (typeof(string) != column.DataType))
{
throw ADP.InvalidXmlMissingColumn(DbMetaDataCollectionNames.MetaDataCollections, DbMetaDataColumnNames.CollectionName);
}
DataRow row2 = null;
string str2 = null;
bool flag3 = false;
bool flag = false;
bool flag2 = false;
foreach (DataRow row in table.Rows)
{
string str = row[column, DataRowVersion.Current] as string;
if (ADP.IsEmpty(str))
{
throw ADP.InvalidXmlInvalidValue(DbMetaDataCollectionNames.MetaDataCollections, DbMetaDataColumnNames.CollectionName);
}
if (ADP.CompareInsensitiveInvariant(str, collectionName))
{
if (!this.SupportedByCurrentVersion(row))
{
flag3 = true;
}
else if (collectionName == str)
{
if (flag)
{
throw ADP.CollectionNameIsNotUnique(collectionName);
}
row2 = row;
str2 = str;
flag = true;
}
else
{
if (str2 != null)
{
flag2 = true;
}
row2 = row;
str2 = str;
}
}
}
if (row2 == null)
{
if (!flag3)
{
throw ADP.UndefinedCollection(collectionName);
}
throw ADP.UnsupportedVersion(collectionName);
}
if (!flag && flag2)
{
throw ADP.AmbigousCollectionName(collectionName);
}
return(row2);
}
