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//
// Authors:
// Christian Hergert <chris@mosaix.net>
// Ben Motmans <ben.motmans@gmail.com>
//
// Copyright (C) 2005 Mosaix Communications, Inc.
// Copyright (c) 2007 Ben Motmans
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
namespace MonoDevelop.Database.Sql
{
/// <summary>
/// SQL schema object representing a table
/// </summary>
public class TableSchema : AbstractSchema
{
//TODO: support for inherited table schemas
protected bool isSystemTable = false;
protected string tableSpaceName;
protected ColumnSchemaCollection columns;
protected ConstraintSchemaCollection constraints;
protected TriggerSchemaCollection triggers;
public TableSchema (ISchemaProvider schemaProvider)
: base (schemaProvider)
{
}
public TableSchema (ISchemaProvider schemaProvider, string name)
: base (schemaProvider)
{
Name = name;
columns = new ColumnSchemaCollection ();
constraints = new ConstraintSchemaCollection ();
triggers = new TriggerSchemaCollection ();
}
public TableSchema (TableSchema table)
: base (table)
{
isSystemTable = table.isSystemTable;
tableSpaceName = table.tableSpaceName;
columns = new ColumnSchemaCollection (table.columns);
constraints = new ConstraintSchemaCollection (table.constraints);
triggers = new TriggerSchemaCollection (table.triggers);
}
/// <summary>
/// Is this table part of the database core
/// </summary>
public bool IsSystemTable {
get {
return isSystemTable;
}
set {
isSystemTable = value;
OnChanged ();
}
}
public string TableSpaceName {
get {
return tableSpaceName;
}
set {
tableSpaceName = value;
OnChanged ();
}
}
/// <summary>
/// Override ToString() to show the tables FullName
/// <remarks>
/// Returns 'schema.tablename'
/// </remarks>
/// </summary>
public override string ToString ()
{
return FullName;
}
/// <summary>
/// Collection of columns associated with this table.
/// </summary>
public ColumnSchemaCollection Columns {
get {
if (columns == null)
columns = provider.GetTableColumns(this);
return columns;
}
}
/// <summary>
/// Collection of constraints associated with this table.
/// </summary>
public ConstraintSchemaCollection Constraints {
get {
if (constraints == null)
constraints = provider.GetTableConstraints(this);
return constraints;
}
}
public TriggerSchemaCollection Triggers {
get {
if (triggers == null)
triggers = provider.GetTableTriggers(this);
return triggers;
}
}
/// <summary>
/// Refresh the information associated with this table.
/// </summary>
public override void Refresh()
{
// TODO: Update Name, etc.
columns = null;
constraints = null;
triggers = null;
definition = null;
}
public override object Clone ()
{
TableSchema clone = new TableSchema (this);
if (clone.columns != null) {
foreach (ColumnSchema column in clone.columns)
column.Parent = clone;
}
return clone;
}
}
}
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