private void DoValidation()
{
/*
* Validate Table Name field.
*/
String tableName = entityDescriptor.GetTableName();
if (tableName == null || tableName.Length <= 0)
{
Log.Log.Error(typeof(EntityDescriptorReader).FullName, "DoValidation", "TABLE-NAME IS MANDATORY FIELD - ENTITY-DESCRIPTOR: " + this.entityDescriptorName);
throw new DeploymentException(typeof(EntityDescriptorReader).FullName, "DoValidation", "TABLE-NAME IS MANDATORY FIELD - ENTITY-DESCRIPTOR: " + this.entityDescriptorName);
}
/*
* Validate Class Name field.
*/
String className = entityDescriptor.GetClassName();
if (className == null || className.Length <= 0)
{
Log.Log.Error(typeof(EntityDescriptorReader).FullName, "DoValidation", "CLASS-NAME IS MANDATORY FIELD - ENTITY-DESCRIPTOR: " + this.entityDescriptorName);
throw new DeploymentException(typeof(EntityDescriptorReader).FullName, "DoValidation", "CLASS-NAME IS MANDATORY FIELD - ENTITY-DESCRIPTOR: " + this.entityDescriptorName);
}
IEnumerator <EntityDescriptor.Attribute> attributes = entityDescriptor.GetAttributes();
while (attributes.MoveNext())
{
EntityDescriptor.Attribute attribute = attributes.Current;
/*
* Validate Variable Name field.
*/
String variableName = attribute.GetVariableName();
if (variableName == null || variableName.Length <= 0)
{
Log.Log.Error(typeof(EntityDescriptorReader).FullName, "DoValidation", "VARIABLE-NAME IS MANDATORY FIELD - ENTITY-DESCRIPTOR - COLUMN: " + this.entityDescriptorName);
throw new DeploymentException(typeof(EntityDescriptorReader).FullName, "DoValidation", "VARIABLE-NAME IS MANDATORY FIELD - ENTITY-DESCRIPTOR - COLUMN: " + this.entityDescriptorName);
}
/*
* Validate Column Name filed.
*/
String columnName = attribute.GetColumnName();
if (columnName == null || columnName.Length <= 0)
{
Log.Log.Error(typeof(EntityDescriptorReader).FullName, "DoValidation", "COLUMN-NAME IS MANDATORY FIELD - ENTITY-DESCRIPTOR - COLUMN: " + this.entityDescriptorName);
throw new DeploymentException(typeof(EntityDescriptorReader).FullName, "DoValidation", "COLUMN-NAME IS MANDATORY FIELD - ENTITY-DESCRIPTOR - COLUMN: " + this.entityDescriptorName);
}
/*
* Validate Type field.
*/
String type = attribute.GetType();
if (type == null || type.Length <= 0)
{
Log.Log.Error(typeof(EntityDescriptorReader).FullName, "DoValidation", "COLUMN-TYPE IS MANDATORY FIELD - ENTITY-DESCRIPTOR - COLUMN: " + this.entityDescriptorName);
throw new DeploymentException(typeof(EntityDescriptorReader).FullName, "DoValidation", "COLUMN-TYPE IS MANDATORY FIELD - ENTITY-DESCRIPTOR - COLUMN: " + this.entityDescriptorName);
}
}
}
public IEnumerator <IDictionary <String, Object> > ExecuteSelectQuery(DatabaseDescriptor databaseDescriptor, EntityDescriptor entityDescriptor, String query)
{
#if XAMARIN
SQLitePCL.sqlite3_stmt statement = SQLite3.Prepare2(sqliteDatabase.Handle, query);
#elif WINDOWS
List <SQLiteQueryRow> statement = null;
#endif
try
{
#if XAMARIN
statement = SQLite3.Prepare2(sqliteDatabase.Handle, query);
#elif WINDOWS
statement = sqliteDatabase.Query2(query);
#endif
}
catch (System.Exception exception)
{
if (sqliteDatabase.IsInTransaction)
{
sqliteDatabase.Rollback();
}
Log.Log.Error(typeof(Database).FullName, "ExecuteSelectQuery", "Exception caught while executing the select query, QUERY: " + query);
throw new DatabaseException(typeof(Database).FullName, "ExecuteSelectQuery", exception.Message);
}
List <Dictionary <String, Object> > tuples = new List <Dictionary <String, Object> >();
#if XAMARIN
SQLite3.Result result;
while ((result = SQLite3.Step(statement)) == SQLite3.Result.Row)
{
IDictionary <String, Object> tuple = new Dictionary <String, Object>();
String stmtResult = result.ToString();
//string[] names = SQLite3.ColType.GetNames ();
//string[] values = SQLite3.ColType.GetValues ();
int columnsCount = SQLite3.ColumnCount(statement);
for (int i = 0; i < columnsCount; i++)
{
String columnName = SQLite3.ColumnName(statement, i);
SQLite3.ColType columnType = SQLite3.ColumnType(statement, i);
Object columnValue = SQLite3.ColumnText(statement, i);
bool isString = false;
bool isLong = false;
bool isFloat = false;
bool isBlob = false;
if (columnType == SQLite3.ColType.Text)
{
isString = true;
}
else if (columnType == SQLite3.ColType.Integer)
{
isLong = true;
}
else if (columnType == SQLite3.ColType.Float)
{
isFloat = true;
}
else if (columnType == SQLite3.ColType.Blob)
{
isBlob = true;
}
else if (columnType == SQLite3.ColType.Null)
{
}
if (isString)
{
if (entityDescriptor != null)
{
EntityDescriptor.Attribute attribute = entityDescriptor.GetAttributeBasedOnColumnName(columnName);
if (attribute != null)
{
if (attribute.GetType().Equals(IDataTypeHandler.CSHARP_STRING_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, (String)columnValue);
}
else if (attribute.GetType().Equals(IDataTypeHandler.CSHARP_BOOLEAN_PRIMITIVE_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, columnValue.Equals(Boolean.TrueString.ToString()) ? true : false);
}
else if (attribute.GetType().Equals(IDataTypeHandler.CSHARP_BOOLEAN_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, columnValue.Equals(Boolean.TrueString.ToString()) ? Boolean.TrueString : Boolean.FalseString);
}
else if (attribute.GetType().Equals(IDataTypeHandler.JAVASCRIPT_STRING_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, (String)columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
}
else if (isLong)
{
if (entityDescriptor != null)
{
EntityDescriptor.Attribute attribute = entityDescriptor.GetAttributeBasedOnColumnName(columnName);
if (attribute != null)
{
if (attribute.GetType().Equals(IDataTypeHandler.JAVASCRIPT_NUMBER_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
}
else if (isFloat)
{
if (entityDescriptor != null)
{
EntityDescriptor.Attribute attribute = entityDescriptor.GetAttributeBasedOnColumnName(columnName);
if (attribute != null)
{
if (attribute.GetType().Equals(IDataTypeHandler.JAVASCRIPT_NUMBER_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
tuple.Add(columnName, columnValue);
}
else if (isBlob)
{
tuple.Add(columnName, columnValue);
}
}
tuples.Add((Dictionary <String, Object>)tuple);
}
SQLite3.Finalize(statement);
return(tuples.GetEnumerator());
#elif WINDOWS
foreach (SQLiteQueryRow cursor in statement)
{
IDictionary <String, Object> tuple = new Dictionary <String, Object>();
List <SQLiteQueryColumn> columns = cursor.column;
if (columns == null || columns.Count <= 0)
{
continue;
}
foreach (SQLiteQueryColumn column in columns)
{
String columnName = column.Key;
Object columnValue = column.Value;
bool isString = false;
bool isLong = false;
bool isFloat = false;
bool isBlob = false;
if (columnValue != null)
{
if (columnValue.GetType().FullName.Equals(typeof(String).FullName, StringComparison.OrdinalIgnoreCase))
{
isString = true;
}
else if (columnValue.GetType().FullName.Equals(typeof(long).FullName, StringComparison.OrdinalIgnoreCase))
{
isLong = true;
}
else if (columnValue.GetType().FullName.Equals(typeof(float).FullName, StringComparison.OrdinalIgnoreCase))
{
isFloat = true;
}
else if (columnValue.GetType().FullName.Equals(typeof(byte).FullName, StringComparison.OrdinalIgnoreCase))
{
isBlob = true;
}
}
else
{
isString = true;
}
if (isString)
{
if (entityDescriptor != null)
{
EntityDescriptor.Attribute attribute = entityDescriptor.GetAttributeBasedOnColumnName(columnName);
if (attribute != null)
{
if (attribute.GetType().Equals(IDataTypeHandler.CSHARP_STRING_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, (String)columnValue);
}
else if (attribute.GetType().Equals(IDataTypeHandler.CSHARP_BOOLEAN_PRIMITIVE_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, columnValue.Equals(Boolean.TrueString.ToString()) ? true : false);
}
else if (attribute.GetType().Equals(IDataTypeHandler.CSHARP_BOOLEAN_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, columnValue.Equals(Boolean.TrueString.ToString()) ? Boolean.TrueString : Boolean.FalseString);
}
else if (attribute.GetType().Equals(IDataTypeHandler.JAVASCRIPT_STRING_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, (String)columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
}
else if (isLong)
{
if (entityDescriptor != null)
{
EntityDescriptor.Attribute attribute = entityDescriptor.GetAttributeBasedOnColumnName(columnName);
if (attribute != null)
{
if (attribute.GetType().Equals(IDataTypeHandler.JAVASCRIPT_NUMBER_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
}
else if (isFloat)
{
if (entityDescriptor != null)
{
EntityDescriptor.Attribute attribute = entityDescriptor.GetAttributeBasedOnColumnName(columnName);
if (attribute != null)
{
if (attribute.GetType().Equals(IDataTypeHandler.JAVASCRIPT_NUMBER_DATA_TYPE, StringComparison.OrdinalIgnoreCase))
{
tuple.Add(columnName, columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
}
else
{
tuple.Add(columnName, columnValue);
}
tuple.Add(columnName, columnValue);
}
else if (isBlob)
{
tuple.Add(columnName, columnValue);
}
}
tuples.Add((Dictionary <String, Object>)tuple);
}
return(tuples.GetEnumerator());
#endif
}
