#ifndef _FDORDBMSSCHEMACAPABILITIES_H_
#define _FDORDBMSSCHEMACAPABILITIES_H_
#ifdef _WIN32
#pragma once
#endif
/*
 * Copyright (C) 2004-2006  Autodesk, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of version 2.1 of the GNU Lesser
 * General Public License as published by the Free Software Foundation.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */


#include "Fdo.h"

class FdoRdbmsSchemaCapabilities :  public FdoISchemaCapabilities
{
public:
    FdoRdbmsSchemaCapabilities(void);

    /// <summary>Returns an array of the FdoClassType objects the feature provider supports.</summary>
    /// <param name="length">Output the number of class types.</param>
	/// <returns>Returns the list of class types.</returns>
    virtual FdoClassType* GetClassTypes(FdoInt32& length);

    /// <summary>Returns an array of the FdoDataType objects the feature provider supports.</summary>
    /// <param name="length">Output the number of data types.</param>
	/// <returns>Returns the list of data types.</returns>
    virtual FdoDataType* GetDataTypes(FdoInt32& length);

    /// <summary>Returns the maximum supported length of String, BLOB, or CLOB data
    /// properties. For decimal, it is the combination of the maximum scale
    /// and precision. For other data types that are not variable in size,
    /// the value returned is the byte length.</summary>
    /// <param name="dataType">The data type for which the information is to retrieved.</param>
	/// <returns>Returns the maximum data value length for the identified data type.</returns>
    virtual FdoInt64 GetMaximumDataValueLength(FdoDataType dataType);

    /// <summary>Returns the maximum supported precision for a decimal data property.</summary>
	/// <returns>Returns the maximum supported precision for a decimal data property.</returns>
    virtual FdoInt32 GetMaximumDecimalPrecision();

    /// <summary>Returns the maximum supported scale for a decimal data property.</summary>
	/// <returns>Returns the maximum supported scale for a decimal data property.</returns>
    virtual FdoInt32 GetMaximumDecimalScale();

    /// <summary>Returns the maximum size of a value of the given type. It includes
    /// limits for the data store name, shema name, class name, property name
    /// and description.</summary>
    /// <param name="name">The schema element name type identifier for which the information is to
    /// be retrieved. Can be either one of the following options: FdoSchemaElementNameType_Datastore,
    /// FdoSchemaElementNameType_Schema, FdoSchemaElementNameType_Class, FdoSchemaElementNameType_Property or 
    /// FdoSchemaElementNameType_Description.</param>
	/// <returns>Returns the size limitation for the identified schema element.</returns>
    virtual FdoInt32 GetNameSizeLimit(FdoSchemaElementNameType name);

    /// <summary>Returns a string that includes all the reserved characters that cannot be
    /// used for the various schema element names for the provider.</summary>
	/// <returns>Returns a string with the reserved characters for the identified schema element.</returns>
    virtual FdoString* GetReservedCharactersForName();

    /// <summary>Returns an array of the FdoDataType objects the feature provider supports for auto-generation.</summary>
    /// <param name="length">Output the number of data types.</param>
	/// <returns>Returns the list of data types.</returns>
    virtual FdoDataType* GetSupportedAutoGeneratedTypes(FdoInt32& length);

    /// <summary>Returns a list of property types that can be used for identity properties.</summary>
    /// <param name="length">Output the number of data types.</param>
	/// <returns>Returns a string with the reserved characters for the identified schema element.</returns>
    virtual FdoDataType* GetSupportedIdentityPropertyTypes(FdoInt32& length);

    /// <summary>Determines if the provider supports association property.</summary>
	/// <returns>Returns true if the provider support the association property.</returns>
    virtual bool SupportsAssociationProperties();

    /// <summary>Determines if the provider can auto-generate unique ID values for a class.</summary>
	/// <returns>Returns true if the provider supports id autogeneration.</returns>
    virtual bool SupportsAutoIdGeneration();

    /// <summary>Determines if the provider supports multiple identity properties per class.</summary>
    /// <returns>Returns true if the provider supports multiple identity properties per class.</returns>
    virtual bool SupportsCompositeId();

	/// <summary>Determines if the provider supports composite unique value constraint.</summary>
	/// <returns>Returns true if the provider supports composite unique value constraint.</returns>
	virtual bool SupportsCompositeUniqueValueConstraints();

	/// <summary>Determines if the provider can auto-generate unique ID values that are unique for the
    /// entire datastore, rather than just for a particular class.</summary>
	/// <returns>Returns true if the provider supports id autogeneration unique across an datastore.</returns>
    virtual bool SupportsDataStoreScopeUniqueIdGeneration();

    /// <summary>Returns TRUE if default values can be specified for a data property
    /// definition, FALSE otherwise.</summary>
	/// <returns>Returns TRUE if default values can be specified for a data property definition, FALSE otherwise.</returns>
    virtual bool SupportsDefaultValue();

	/// <summary>Determines if the provider supports exclusive value range constraints.</summary>
	/// <returns>Returns true if the provider supports exclusive value range constraints.</returns>
	virtual bool SupportsExclusiveValueRangeConstraints();

	/// <summary>Determines if the provider supports inclusive value range constraints.</summary>
	/// <returns>Returns true if the provider supports inclusive value range constraints.</returns> 
	virtual bool SupportsInclusiveValueRangeConstraints();

	/// <summary>Determines if the feature provider supports inheritance.</summary>
	/// <returns>Returns true if the feature provider supports inheritance.</returns> 
    virtual bool SupportsInheritance();

	/// <summary>Determines if the provider supports multiple schemas. Returns false if the provider supports
    /// only a single schema.</summary>
	/// <returns>Returns true if the provider supports multiple schemas.</returns> 
    virtual bool SupportsMultipleSchemas();

	/// <summary>Determines if the provider supports the network model.</summary>
	/// <returns>Returns true if the provider supports the network model.</returns> 
    virtual bool SupportsNetworkModel();

	/// <summary>Determines if the provider supports nullable value constraint.</summary>
	/// <returns>Returns true if the provider supports nullable value constraint.</returns>
	virtual bool SupportsNullValueConstraints();

	/// <summary>Determines if the provider supports object properties. Returns false if the provider
    /// supports only data and geometric properties.</summary>
	/// <returns>Returns true if the provider supports object properties.</returns> 
    virtual bool SupportsObjectProperties();

	/// <summary>Determines if the provider support update a schema through the ApplySchema command.
    /// If False, then an application can only create a schema once for the provider. They can use the
    /// ApplySchema command once for a given datastore. Once the schema is defined, it cannot be changed.
    /// If True, then the provider supports the ability to modify or add to the schema after it is defined
    /// initially.</summary>
	/// <returns>Returns true if the provider supports the update of the schema.</returns> 
    virtual bool  SupportsSchemaModification();

	/// <summary>Determines if the provider supports Schema Mapping Overrides (overrides to the default
    /// rules for mapping Feature Schemas to provider-specific physical schemas).</summary>
	/// <returns>Returns true if the provider supports Schema Overrides.</returns> 
    virtual bool SupportsSchemaOverrides();

	/// <summary>Determines if the provider supports unique value constraint.</summary>
	/// <returns>Returns true if the provider supports unique value constraint.</returns>
	virtual bool SupportsUniqueValueConstraints();

	/// <summary>Determines if the provider supports value constraints list.</summary>
	/// <returns>Returns true if the provider supports value constraints list.</returns>
	virtual bool SupportsValueConstraintsList();

protected:
    ~FdoRdbmsSchemaCapabilities(void);
    virtual void Dispose();
};
#endif

