Deveel.Data.Sql.Variables.Variable Class Reference

Inheritance diagram for Deveel.Data.Sql.Variables.Variable:

Public Member Functions
	Variable (VariableInfo variableInfo)
bool	Equals (Variable other)
void	SetValue (IQuery context, SqlExpression expression)
void	SetValue (DataObject value)

Properties
VariableInfo	VariableInfo [get, private set]
string	Name [get]
SqlType	Type [get]
SqlExpression	Expression [get, private set]
bool	ValueFromExpression [get]
DataObject	Value [get, private set]
bool	IsConstant [get]
bool	IsNotNull [get]
ObjectName IDbObject.	FullName [get]
DbObjectType IDbObject.	ObjectType [get]
Properties inherited from Deveel.Data.Sql.IDbObject
ObjectName	FullName [get]
	Gets the fully qualified name of the object used to resolve it uniquely within the database. More...
DbObjectType	ObjectType [get]
	Gets the type of database object that the implementation is for More...

Detailed Description

Definition at line 24 of file Variable.cs.

Constructor & Destructor Documentation

Deveel.Data.Sql.Variables.Variable.Variable ( VariableInfo  variableInfo )

inline

Definition at line 25 of file Variable.cs.

                                                   {
            if (variableInfo == null)
                throw new ArgumentNullException("variableInfo");

            VariableInfo = variableInfo;
        }

Member Function Documentation

bool Deveel.Data.Sql.Variables.Variable.Equals ( Variable  other )

inline

Definition at line 66 of file Variable.cs.

                                           {
            if (other == null)
                return false;

            if (!Name.Equals(other.Name) ||
                !Type.Equals(other.Type))
                return false;

            if (ValueFromExpression &&
                other.ValueFromExpression) {
                // TODO: Determine if the two expressions are equal!
                return true;
            }

            return Value.Equals(other.Value);
        }

void Deveel.Data.Sql.Variables.Variable.SetValue ( IQuery  context, SqlExpression  expression  )

inline

Definition at line 83 of file Variable.cs.

                                                                       {
            if (expression == null)
                throw new ArgumentNullException("expression");

            if (IsConstant)
                throw new InvalidOperationException();

            if (!expression.IsConstant())
                throw new ArgumentException();

            Expression = expression;

            var exp = expression.Evaluate(context, null);
            if (exp.ExpressionType != SqlExpressionType.Constant)
                throw new InvalidOperationException();

            var value = ((SqlConstantExpression) exp).Value;
            SetValue(value);
        }

void Deveel.Data.Sql.Variables.Variable.SetValue ( DataObject  value )

inline

Definition at line 103 of file Variable.cs.

                                               {
            if (IsConstant)
                throw new InvalidOperationException();

            if (!IsNotNull && value.IsNull)
                throw new ArgumentException();

            if (!Type.Equals(value.Type)) {
                if (!value.Type.CanCastTo(Type))
                    throw new ArgumentException();

                value = value.CastTo(Type);
            }

            Value = value;
        }

Property Documentation

SqlExpression Deveel.Data.Sql.Variables.Variable.Expression

getprivate set

Definition at line 42 of file Variable.cs.

ObjectName IDbObject. Deveel.Data.Sql.Variables.Variable.FullName

getprivate

Definition at line 58 of file Variable.cs.

bool Deveel.Data.Sql.Variables.Variable.IsConstant

get

Definition at line 50 of file Variable.cs.

bool Deveel.Data.Sql.Variables.Variable.IsNotNull

get

Definition at line 54 of file Variable.cs.

string Deveel.Data.Sql.Variables.Variable.Name

get

Definition at line 34 of file Variable.cs.

DbObjectType IDbObject. Deveel.Data.Sql.Variables.Variable.ObjectType

getprivate

Definition at line 62 of file Variable.cs.

SqlType Deveel.Data.Sql.Variables.Variable.Type

get

Definition at line 38 of file Variable.cs.

DataObject Deveel.Data.Sql.Variables.Variable.Value

getprivate set

Definition at line 48 of file Variable.cs.

bool Deveel.Data.Sql.Variables.Variable.ValueFromExpression

get

Definition at line 44 of file Variable.cs.

VariableInfo Deveel.Data.Sql.Variables.Variable.VariableInfo

getprivate set

Definition at line 32 of file Variable.cs.

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The documentation for this class was generated from the following file:

• /var/calculate/remote/distfiles/egit-src/deveeldb.git/src/deveeldb/Deveel.Data.Sql.Variables/Variable.cs