Operator class

Represents a logical expression or predicate, like comparisions or LIKE predicate.

public class Korzh.EasyQuery.Operator

Fields

Type	Name	Description
String	expr

Properties

Type	Name	Description
DataTypeList	AppliedTypes	Gets the list of applied types for this operator.
String	Caption	Gets or sets the operator caption.
Boolean	CaseInsensitive	Gets or sets a value indicating whether the operator is case insensative.
String	ConstValueFormat	Gets or sets the format of constant values. This property is used to process LIKE and similar operators
Operand	DefaultOperand	Gets the defaults settings of operator operands.
String	DisplayFormat	Gets or sets the display format of operator.
String	Expr	Gets or sets the operator expression.
OperatorGroup	Group	Gets or sets the group which this operator belongs to.
String	ID	Gets or sets the operator ID.
Boolean	IsCondition	Gets or sets a value indicating whether this operator instance represents custom condition.
Boolean	IsRange	Gets or sets a value indicating whether this operator requires range values so first value must be less than the second one.
String	MainText	Gets the main part of operator’s DisplayFormat (this text will be shown as link in query panel)
String	MathSymbol	Gets the math symbol which represents operator.
DataModel	Model	Gets or sets the model.
OperandList	Operands	Gets the operands for this operator.
Int32	ParamCount	Gets the number of parameters which are taken by the operator.

Methods

Type	Name	Description
void	CalcParamCount()	Calculates the count of the parameters.
Operand	GetOperand(Int32 operandIndex)	Gets the operand of current operator by its index.
void	LoadAttribute(String propname, String propvalue)	Loads the attribute.
void	LoadFromXmlReader(XmlReader reader)	Loads from XML reader.
void	LoadNodes(XmlReader reader)	Loads the nodes.
void	SaveAttributes(XmlWriter writer)	Saves the attributes.
void	SaveNodes(XmlWriter writer)	Saves the nodes.
JsonDict	SaveToJsonDict()	Saves to dictionary object (for serialization to JSON).
void	SaveToXmlWriter(XmlWriter writer)	Saves to XML writer.
String	ToString()	Returns a that represents the current .