internal protected int Execute(InsertCommand <T> executeCommand, Modifier <T> modifier)
{
// establishing a relationship with parent
if (executeCommand.ParentRelationship != null)
{
for (int i = 0; i < executeCommand.ParentRelationship.Properties.Length; i++)
{
string parentProperty = executeCommand.ParentRelationship.Properties[i];
object value = executeCommand.ParentPropertyValues[parentProperty];
string property = executeCommand.ParentRelationship.RelatedProperties[i];
if (executeCommand.PropertyValues.ContainsKey(property))
{
executeCommand.PropertyValues[property] = value;
}
else
{
executeCommand.PropertyValues.Add(property, value);
}
}
}
// Sequence
foreach (XElement propertySchema in executeCommand.EntitySchema.Elements(SchemaVocab.Property).Where(p => p.Attribute(SchemaVocab.Sequence) != null))
{
if (propertySchema.Attribute(SchemaVocab.AutoIncrement) != null && propertySchema.Attribute(SchemaVocab.AutoIncrement).Value == "true")
{
continue;
}
string propertyName = propertySchema.Attribute(SchemaVocab.Name).Value;
// provided by user
if (executeCommand.PropertyValues.ContainsKey(propertyName))
{
if (executeCommand.PropertyValues[propertyName] != null)
{
continue;
}
}
string sequenceName = propertySchema.Attribute(SchemaVocab.Sequence).Value;
string seq_sql = ModificationGenerator.GenerateFetchSequenceStatement(sequenceName);
object sequence = UnderlyingDatabase.ExecuteScalar(seq_sql);
if (executeCommand.PropertyValues.ContainsKey(propertyName))
{
executeCommand.PropertyValues[propertyName] = sequence;
}
else
{
executeCommand.PropertyValues.Add(propertyName, sequence);
}
modifier.SetObjectValue(executeCommand.AggregNode, propertyName, sequence);
}
// non-ManyToMany
if (executeCommand.EntitySchema.Attribute(SchemaVocab.Name).Value == executeCommand.Entity)
{
// patch up SetDefaultValues
foreach (KeyValuePair <string, object> pair in executeCommand.PropertyValues)
{
modifier.SetObjectValue(executeCommand.AggregNode, pair.Key, pair.Value);
}
}
// raise inserting event
InsertingEventArgs <T> args = new InsertingEventArgs <T>(executeCommand.AggregNode, executeCommand.Entity, executeCommand.Schema, executeCommand.Path, executeCommand.Aggreg);
OnInserting(args);
// non-ManyToMany
if (executeCommand.EntitySchema.Attribute(SchemaVocab.Name).Value == executeCommand.Entity)
{
// synchronize propertyValues with modified aggregNode OnInserting
SynchronizePropertyValues(executeCommand, modifier);
}
//
modifier.CheckConstraints(executeCommand);
// GenerateInsertStatement
string sql = ModificationGenerator.GenerateInsertStatement(executeCommand.PropertyValues, executeCommand.EntitySchema,
out IReadOnlyDictionary <string, object> dbParameterValues);
DbParameter[] dbParameters = UnderlyingDatabase.CreateParameters(dbParameterValues);
// AutoIncrement
int affected;
XElement autoPropertySchema = executeCommand.EntitySchema.Elements(SchemaVocab.Property).FirstOrDefault(p =>
p.Attribute(SchemaVocab.AutoIncrement) != null && p.Attribute(SchemaVocab.AutoIncrement).Value == "true");
if (autoPropertySchema == null)
{
affected = UnderlyingDatabase.ExecuteSqlCommand(sql, dbParameters);
}
else
{
affected = UnderlyingDatabase.ExecuteInsertCommand(sql, dbParameters, out object autoIncrementValue);
string propertyName = autoPropertySchema.Attribute(SchemaVocab.Name).Value;
if (executeCommand.PropertyValues.ContainsKey(propertyName))
{
executeCommand.PropertyValues[propertyName] = autoIncrementValue;
}
else
{
executeCommand.PropertyValues.Add(propertyName, autoIncrementValue);
}
// non-ManyToMany
if (executeCommand.EntitySchema.Attribute(SchemaVocab.Name).Value == executeCommand.Entity)
{
modifier.SetObjectValue(executeCommand.AggregNode, propertyName, autoIncrementValue);
}
}
// raise inserted event
InsertedEventArgs <T> args1 = new InsertedEventArgs <T>(executeCommand.AggregNode, executeCommand.Entity, executeCommand.Schema, executeCommand.Path, executeCommand.Aggreg);
OnInserted(args1);
foreach (SQLStatment statment in args1.After)
{
int i = UnderlyingDatabase.ExecuteSqlCommand(statment.Sql, statment.Parameters);
}
return(affected);
}
protected void OnInserting(InsertingEventArgs <T> args)
{
Inserting?.Invoke(this, args);
}
