Condition class

Represents one condition in the query.

public class Korzh.EasyQuery.Condition

Fields

Type	Name	Description
Boolean	_isSilent
Predicate	parent

Properties

Type	Name	Description
EntityAttr	BaseAttr	Gets the base entity attribute for this condition.
Boolean	Enabled	Gets or sets a value indicating whether this Korzh.EasyQuery.Condition is enabled.
String	FullNum	Gets the full number of condition.
Int32	ID	Gets or sets the ID.
Int32	Index	Gets the index in the parent’s list.
Boolean	IsHaving	Gets a value indicating whether this condition must be placed into HAVING clause in result SQL.
Boolean	IsInJoin	Gets a value indicating whether this condition must be placed into JOIN clause in result SQL.
Boolean	IsParameterized	Gets or sets a value indicating whether this Korzh.EasyQuery.Condition is parameterized.
Boolean	IsReadOnly	Gets or sets a value indicating whether this Korzh.EasyQuery.Condition is read-only.
Boolean	IsSilent	Gets a value indicating whether this query is silent - so no event will be raised on change.
Int32	Level	Gets the level of this condition in query.
DataModel	Model	Gets the model.
Predicate	Parent	Gets the parent Korzh.EasyQuery.Predicate which this conditions is included to.
Query	Query	Gets the query which this condition belongs to.
String	TypeName	Gets the name of the condition type (Simple, Predicate, etc).
Boolean	UseDefaultValues	Gets a value indicating whether condition expressions should get default values after creation

Methods

Type	Name	Description
void	BeginUpdate()	Starts the update process. OnConditionsChanged event of corresponding Query object is not raised while condition is in update state
void	Changed()	Raises ConditionsChange event in parent object
void	CheckDataModel()	Checks DataModel property. Generates an exception if it is null.
void	CheckQuery()	Checks Query property. Generates an exception if it is null.
void	EndUpdate()	Ends the update process. Raises ConditionsChange event if some modification(s) was(were) made during update process.
EntityAttr	GetBaseAttr()	Gets the base entity attribute for this condition.
Boolean	GetHaving()	Gets a value indicating whether this condition must be placed into HAVING clause in result SQL. Must be overriden in the inherited classes
String	GetText(QueryTextFormats formats, String levelSpace, String prefix)	Returns text representation of condition
String	GetText(QueryTextFormats formats)	Returns text representation of condition
String	GetText()	Returns text representation of condition
IEnumerable<Entity>	GetUsedEntities()	Gets the list of entities used in this condition
void	InnerSetEnabled(Boolean newValue)
void	InnerSetReadOnly(Boolean newValue)
void	LoadFromJsonDict(JsonDict dictCond)	Loads condition from IDictionary. Used during loading query from JSON
void	LoadFromXmlReader(XmlReader reader)	When overriden in a derived class loads Korzh.EasyQuery.Condition properties from XML reader.
void	LoadXmlAttributes(XmlReader reader)	Loads conditions node attributes from XML reader.
void	MoveDown()	Moves the condition to one position down (taking into account the level of other conditions).
void	MoveUp()	Moves the condition to one position up (taking into account the level of other conditions).
void	Refresh()	Refreshes this instance.
void	SaveToXmlWriter(XmlWriter writer)	Saves condition object to XML writer.
void	SetEnabled(Boolean newValue)	Sets the Enabled property.
void	SetParameterized(Boolean parameterized)	Sets the IsParameterized property.
void	SetQuery(Query newQuery)	Sets the query.
void	SetReadOnly(Boolean newValue)	Sets the ReadOnly property.
void	ShiftLevel(Boolean up)	Shifts the row level (taking into account the level of other rows)
void	WriteContent(XmlWriter writer)	Writes the content of condition to XmlWriter object.

Static Fields

Type	Name	Description
Dictionary<String, IConditionCreator>	ConditionCreators

Static Properties

Type	Name	Description
String	STypeName	Gets the name of the condition type used for saving/loading to/from XML.
String	XmlTagName	Gets the name of the XML tag used to save condition object into XML file.

Static Methods

Type	Name	Description
Condition	Create(String type, DataModel model)	Creates the condition instance (descendant of Condition) of specified class.
String	LinkTypeToStr(LinkType lt)	Converts LinkType value to its string representation
Boolean	RegisterType(String condType, IConditionCreator creator)	Registers new type of condition.
LinkType	StrToLinkType(String s)	Convert string representation to LinkType value.