public void Init(string initSchema, string initClass)
{
List <QueryMode> modes = new List <QueryMode>();
if (!string.IsNullOrEmpty(initSchema) && !string.IsNullOrEmpty(initClass))
{
if (_service.SupportsCommand(OSGeo.FDO.Commands.CommandType.CommandType_Select))
{
using (FdoFeatureService service = _connection.CreateFeatureService())
{
ClassDefinition classDef = service.GetClassByName(initSchema, initClass);
if (!ExpressUtility.HasRaster(classDef))
{
modes.Add(QueryMode.Standard);
_queryViews.Add(QueryMode.Standard, new FdoStandardQueryCtl(_connection, initSchema, initClass));
}
}
}
if (_service.SupportsCommand(OSGeo.FDO.Commands.CommandType.CommandType_SelectAggregates))
{
modes.Add(QueryMode.Aggregate);
_queryViews.Add(QueryMode.Aggregate, new FdoAggregateQueryCtl(_connection, initSchema, initClass));
}
}
else
{
if (_service.SupportsCommand(OSGeo.FDO.Commands.CommandType.CommandType_Select))
{
modes.Add(QueryMode.Standard);
_queryViews.Add(QueryMode.Standard, new FdoStandardQueryCtl(_connection));
}
if (_service.SupportsCommand(OSGeo.FDO.Commands.CommandType.CommandType_SelectAggregates))
{
modes.Add(QueryMode.Aggregate);
_queryViews.Add(QueryMode.Aggregate, new FdoAggregateQueryCtl(_connection));
}
}
if (_service.SupportsCommand(OSGeo.FDO.Commands.CommandType.CommandType_SQLCommand))
{
modes.Add(QueryMode.SQL);
_queryViews.Add(QueryMode.SQL, new FdoSqlQueryCtl());
}
foreach (IQuerySubView qv in _queryViews.Values)
{
qv.MapPreviewStateChanged += new MapPreviewStateEventHandler(OnMapPreviewStateChanged);
qv.SetRestrictions(_connection.Capability);
}
_view.QueryModes = modes;
_view.InsertEnabled = (_view.SelectedQueryMode != QueryMode.SQL) && insertSupported;
}
/// <summary>
/// Validates these options
/// </summary>
public void Validate()
{
if (_Left == null)
{
throw new TaskValidationException(ResourceUtil.GetString("ERR_JOIN_LEFT_UNDEFINED"));
}
if (_Right == null)
{
throw new TaskValidationException(ResourceUtil.GetString("ERR_JOIN_RIGHT_UNDEFINED"));
}
if (_Target == null)
{
throw new TaskValidationException(ResourceUtil.GetString("ERR_JOIN_TARGET_UNDEFINED"));
}
if (string.IsNullOrEmpty(_Target.ClassName))
{
throw new TaskValidationException(ResourceUtil.GetString("ERR_JOIN_TARGET_CLASS_UNDEFINED"));
}
if (this.JoinPairs.Count == 0)
{
throw new TaskValidationException(ResourceUtil.GetString("ERR_JOIN_KEYS_UNDEFINED"));
}
int count = this.LeftProperties.Count + this.RightProperties.Count;
if (string.IsNullOrEmpty(_LeftPrefix) && string.IsNullOrEmpty(_RightPrefix))
{
ISet <string> set = new HashSet <string>();
foreach (var prop in this.LeftProperties)
{
set.Add(prop);
}
foreach (var prop in this.RightProperties)
{
set.Add(prop);
}
//If all properties are unique then the counts should be the same
if (set.Count < count)
{
throw new TaskValidationException(ResourceUtil.GetString("ERR_JOIN_PROPERTY_NAME_COLLISION"));
}
}
//Verify left source filter checks out
if (!string.IsNullOrEmpty(this.LeftFilter))
{
try
{
using (var filter = Filter.Parse(this.LeftFilter)) { }
}
catch
{
throw new TaskValidationException(ResourceUtil.GetStringFormatted("ERR_INVALID_LEFT_FILTER", this.LeftFilter));
}
}
//Verify right source filter checks out
if (!string.IsNullOrEmpty(this.RightFilter))
{
try
{
using (var filter = Filter.Parse(this.RightFilter)) { }
}
catch
{
throw new TaskValidationException(ResourceUtil.GetStringFormatted("ERR_INVALID_RIGHT_FILTER", this.LeftFilter));
}
}
//Create target class. The schema must already exist, but the class must *not* already exist.
using (FdoFeatureService service = this.Target.Connection.CreateFeatureService())
{
if (!service.SupportsCommand(OSGeo.FDO.Commands.CommandType.CommandType_ApplySchema))
{
throw new TaskValidationException(ResourceUtil.GetStringFormatted("ERR_UNSUPPORTED_CMD", OSGeo.FDO.Commands.CommandType.CommandType_ApplySchema));
}
//Get target schema
FeatureSchema schema = service.GetSchemaByName(this.Target.SchemaName);
if (schema == null)
{
throw new TaskValidationException(ResourceUtil.GetString("ERR_JOIN_SCHEMA_NOT_FOUND"));
}
//Check target class does not exist
int cidx = schema.Classes.IndexOf(this.Target.ClassName);
if (cidx >= 0)
{
throw new TaskValidationException(ResourceUtil.GetString("ERR_JOIN_TARGET_EXISTS"));
}
}
}