public static ArrayList ParseFromXml(DatabaseElement database, XmlNode databaseNode, Hashtable sqltypes, Hashtable types, ParserValidationDelegate vd)
{
ArrayList sqlentities = new ArrayList();
//databaseNode.ChildNodes corresponds to each <sqlentity> entry in the databases xml file(s) (such as dtg-databases.xml)
foreach (XmlNode node in databaseNode.ChildNodes)
{
if (node.Name.Equals("sqlentity"))
{
SqlEntityElement sqlentity = new SqlEntityElement(database);
ParseNodeAttributes(node, sqlentity);
sqlentity.View = "vw" + sqlentity.Name;
if (node.Attributes["view"] != null)
{
sqlentity.View = node.Attributes["view"].Value;
}
if (node.Attributes["audit"] != null)
{
sqlentity.Audit = Boolean.Parse(node.Attributes["audit"].Value);
}
//Adds all attributes including all not defined by element class
foreach (XmlAttribute attribute in node.Attributes)
{
if (!sqlentity.Attributes.ContainsKey(attribute.Name))
{
sqlentity.Attributes.Add(attribute.Name, attribute.Value);
}
}
sqlentity.Columns = ColumnElement.ParseFromXml(node, sqlentity, sqltypes, types, vd);
sqlentity.Constraints = ConstraintElement.ParseFromXml(node, sqlentity, sqltypes, types, vd);
sqlentity.Indexes = IndexElement.ParseFromXml(node, sqlentity, sqltypes, types, vd);
// TODO: this is a hack as many things need to be restructured. the Elements all need to be parsed first, then
// relationships and links need to be created. Otherwise, the config file becomes order dependent.
DatabaseElement d = new DatabaseElement();
d.SqlEntities = sqlentities;
sqlentity.Views = ViewElement.ParseFromXml(node, d, sqlentity, sqltypes, types, vd);
sqlentities.Add(sqlentity);
}
}
StringCollection names = new StringCollection();
foreach (SqlEntityElement sqlentity in sqlentities)
{
if (names.Contains(sqlentity.Name))
{
vd(new ParserValidationArgs(ParserValidationSeverity.ERROR, "duplicate sqlentity definition for " + sqlentity.Name));
}
else
{
names.Add(sqlentity.Name);
}
}
return(sqlentities);
}
/// <summary>
/// Parse only method. Parses and adds all entities found in the given node and adds them to the given
/// list.
/// </summary>
/// <param name="node"></param>
/// <param name="sqlEntityElements"></param>
public static void ParseFromXml(XmlNode node, IList sqlEntityElements)
{
if (node != null && sqlEntityElements != null)
{
foreach (XmlNode sqlEntityNode in node.ChildNodes)
{
if (sqlEntityNode.NodeType.Equals(XmlNodeType.Element))
{
SqlEntityElement sqlEntityElement = new SqlEntityElement();
sqlEntityElement.Name = GetAttributeValue(sqlEntityNode, NAME, sqlEntityElement.Name);
sqlEntityElement.View = GetAttributeValue(sqlEntityNode, VIEW, sqlEntityElement.View);
sqlEntityElement.SingleFile = Boolean.Parse(GetAttributeValue(sqlEntityNode, SCRIPT_SINGLE_FILE, sqlEntityElement.SingleFile.ToString()));
sqlEntityElement.Server = GetAttributeValue(sqlEntityNode, SERVER, sqlEntityElement.Server);
sqlEntityElement.Database = GetAttributeValue(sqlEntityNode, DATABASE, sqlEntityElement.Database);
sqlEntityElement.User = GetAttributeValue(sqlEntityNode, USER, sqlEntityElement.User);
sqlEntityElement.Password = GetAttributeValue(sqlEntityNode, PASSWORD, sqlEntityElement.Password);
sqlEntityElement.SqlScriptDirectory = GetAttributeValue(sqlEntityNode, SCRIPT_DIRECTORY, sqlEntityElement.SqlScriptDirectory);
sqlEntityElement.StoredProcNameFormat = GetAttributeValue(sqlEntityNode, STORED_PROC_NAME_FORMAT, sqlEntityElement.StoredProcNameFormat);
sqlEntityElement.GenerateSqlViewScripts = Boolean.Parse(GetAttributeValue(sqlEntityNode, GENERATE_VIEW_SCRIPT, sqlEntityElement.GenerateSqlViewScripts.ToString()));
sqlEntityElement.GenerateSqlTableScripts = Boolean.Parse(GetAttributeValue(sqlEntityNode, GENERATE_TABLE_SCRIPT, sqlEntityElement.GenerateSqlTableScripts.ToString()));
sqlEntityElement.GenerateInsertStoredProcScript = Boolean.Parse(GetAttributeValue(sqlEntityNode, GENERATE_INSERT_STORED_PROC_SCRIPT, sqlEntityElement.GenerateInsertStoredProcScript.ToString()));
sqlEntityElement.GenerateUpdateStoredProcScript = Boolean.Parse(GetAttributeValue(sqlEntityNode, GENERATE_UPDATE_STORED_PROC_SCRIPT, sqlEntityElement.GenerateUpdateStoredProcScript.ToString()));
sqlEntityElement.GenerateDeleteStoredProcScript = Boolean.Parse(GetAttributeValue(sqlEntityNode, GENERATE_DELETE_STORED_PROC_SCRIPT, sqlEntityElement.GenerateDeleteStoredProcScript.ToString()));
sqlEntityElement.GenerateSelectStoredProcScript = Boolean.Parse(GetAttributeValue(sqlEntityNode, GENERATE_SELECT_STORED_PROC_SCRIPT, sqlEntityElement.GenerateSelectStoredProcScript.ToString()));
sqlEntityElement.AllowInsert = Boolean.Parse(GetAttributeValue(sqlEntityNode, ALLOW_INSERT, sqlEntityElement.AllowInsert.ToString())) ||
sqlEntityElement.GenerateInsertStoredProcScript;
sqlEntityElement.AllowUpdate = Boolean.Parse(GetAttributeValue(sqlEntityNode, ALLOW_UPDATE, sqlEntityElement.AllowUpdate.ToString())) ||
sqlEntityElement.GenerateUpdateStoredProcScript;
sqlEntityElement.AllowDelete = Boolean.Parse(GetAttributeValue(sqlEntityNode, ALLOW_DELETE, sqlEntityElement.AllowDelete.ToString())) ||
sqlEntityElement.GenerateDeleteStoredProcScript;
sqlEntityElement.DefaultDirtyRead = Boolean.Parse(GetAttributeValue(sqlEntityNode, DEFAULT_DIRTY_READ, sqlEntityElement.DefaultDirtyRead.ToString()));
sqlEntityElement.UpdateChangedOnly = Boolean.Parse(GetAttributeValue(sqlEntityNode, UPDATE_CHANGED_ONLY, sqlEntityElement.UpdateChangedOnly.ToString())) &&
sqlEntityElement.AllowUpdate;
sqlEntityElement.ScriptDropStatement = Boolean.Parse(GetAttributeValue(sqlEntityNode, SCRIPT_DROP_STATEMENT, sqlEntityElement.ScriptDropStatement.ToString()));
sqlEntityElement.UseView = Boolean.Parse(GetAttributeValue(sqlEntityNode, USE_VIEW, sqlEntityElement.UseView.ToString()));
sqlEntityElement.GenerateProcsForForeignKey = Boolean.Parse(GetAttributeValue(sqlEntityNode, GENERATE_PROCS_FOR_FOREIGN_KEYS, sqlEntityElement.GenerateProcsForForeignKey.ToString()));
sqlEntityElement.GenerateOnlyPrimaryDeleteStoredProc = Boolean.Parse(GetAttributeValue(sqlEntityNode, GENERATE_ONLY_PRIMARY_DELETE_STORED_PROC, sqlEntityElement.GenerateOnlyPrimaryDeleteStoredProc.ToString()));
sqlEntityElement.AllowUpdateOfPrimaryKey = Boolean.Parse(GetAttributeValue(sqlEntityNode, ALLOW_UPDATE_OF_PRIMARY_KEY, sqlEntityElement.AllowUpdateOfPrimaryKey.ToString()));
sqlEntityElement.CommandTimeout = Int32.Parse(GetAttributeValue(sqlEntityNode, COMMAND_TIMEOUT, sqlEntityElement.CommandTimeout.ToString()));
sqlEntityElement.ScriptForIndexedViews = Boolean.Parse(GetAttributeValue(sqlEntityNode, SCRIPT_FOR_INDEXED_VIEWS, sqlEntityElement.ScriptForIndexedViews.ToString()));
ColumnElement.ParseFromXml(GetChildNodeByName(sqlEntityNode, COLUMNS), sqlEntityElement.Columns);
ConstraintElement.ParseFromXml(GetChildNodeByName(sqlEntityNode, CONSTRAINTS), sqlEntityElement.Constraints);
IndexElement.ParseFromXml(GetChildNodeByName(sqlEntityNode, INDEXES), sqlEntityElement.Indexes);
ViewElement.ParseFromXml(GetChildNodeByName(sqlEntityNode, VIEWS), sqlEntityElement.Views);
sqlEntityElements.Add(sqlEntityElement);
}
}
}
}
/// <summary>
/// Parse only method. Parses and adds all entities found in the given node and adds them to the given
/// list.
/// </summary>
/// <param name="node"></param>
/// <param name="viewElements"></param>
public static void ParseFromXml(XmlNode node, IList viewElements)
{
if (node != null && viewElements != null)
{
foreach (XmlNode viewNode in node.ChildNodes)
{
if (viewNode.NodeType.Equals(XmlNodeType.Element))
{
ViewElement viewElement = new ViewElement();
viewElement.Name = GetAttributeValue(viewNode, NAME, viewElement.Name);
ConstraintElement.ParseFromXml(viewNode, viewElement.Constraints);
viewElements.Add(viewElement);
}
}
}
}
public static ArrayList ParseFromXml(XmlNode root, DatabaseElement database, SqlEntityElement sqlentity, Hashtable sqltypes, Hashtable types, ParserValidationDelegate vd)
{
ArrayList list = new ArrayList();
XmlNodeList elements = root.SelectNodes("views/view");
if (elements != null)
{
foreach (XmlNode node in elements)
{
if (node.NodeType == XmlNodeType.Comment)
{
continue;
}
ViewElement view = new ViewElement();
view.Name = ParseStringAttribute(node, "name", String.Empty);
foreach (XmlNode n in node.ChildNodes)
{
if (node.NodeType == XmlNodeType.Comment)
{
continue;
}
ConstraintElement constraint = sqlentity.FindConstraintByName(n.Attributes["name"].Value);
if (constraint == null)
{
vd(ParserValidationArgs.NewError("constraint specified (" + n.Attributes["name"].Value + ") in view (" + view.Name + ") not found."));
constraint = new ConstraintElement();
constraint.Name = n.Attributes["name"].Value;
}
else
{
if (!constraint.Type.Equals(ConstraintElement.FOREIGN_KEY))
{
vd(ParserValidationArgs.NewError("View [" + view.Name + "] references a constraint that is not a foreign key constraint: " + constraint.Name));
}
}
constraint.Prefix = ParseStringAttribute(n, "prefix", constraint.ForeignEntity.Name + "_");
SqlEntityElement foreignEntity = database.FindSqlEntityByName(constraint.ForeignEntity.Name);
// check to see if the foreignEntity is itself
if (foreignEntity == null && sqlentity.Name == constraint.ForeignEntity.Name)
{
foreignEntity = sqlentity;
}
if (foreignEntity == null)
{
vd(ParserValidationArgs.NewError("View [" + view.Name + "] references a constraint that references an sql entity that was not defined (or was not defined before this sql entity): " + constraint.ForeignEntity));
}
else
{
ArrayList columnsToAdd = new ArrayList();
foreach (ColumnElement column in foreignEntity.Columns)
{
ColumnElement viewColumn = (ColumnElement)column.Clone();
if (!constraint.Prefix.Equals(String.Empty))
{
viewColumn.Name = constraint.Prefix + viewColumn.Name;
}
viewColumn.Prefix = constraint.Prefix;
viewColumn.ForeignSqlEntity = constraint.ForeignEntity.Name;
viewColumn.ViewColumn = true;
columnsToAdd.Add(viewColumn);
}
sqlentity.Columns.AddRange(columnsToAdd);
}
view.Constraints.Add(constraint);
}
// validation
if (view.Name.Equals(String.Empty))
{
vd(ParserValidationArgs.NewError("View does not have a name: " + Environment.NewLine + node.OuterXml));
}
list.Add(view);
}
}
return(list);
}