Class ComposedExpression

Base class for filter expressions. Expressions can be atomic or composed.

Inheritance
object
FilterExpression
ComposedExpression
Inherited Members
Namespace: SdlSdl.LanguagePlatformTranslationMemory
Assembly: Sdl.LanguagePlatform.TranslationMemory.dll
Syntax
[DataContract]
public class ComposedExpression : FilterExpression

Constructors

ComposedExpression(FilterExpression, Operator, FilterExpression)

Initializes a new instance of the ComposedExpression class with the specified operator and left and right operands.

Declaration
public ComposedExpression(FilterExpression leftOperand, ComposedExpression.Operator op, FilterExpression rightOperand)
Parameters
Type Name Description
FilterExpression leftOperand

The left operand.
ComposedExpressionOperator op

The operator.
FilterExpression rightOperand

The right operand.

Properties

LeftOperand

Gets or sets the left operand of this composed expression. Can only be null if the expression is used with the NOT operator.

Declaration
[DataMember]
public FilterExpression LeftOperand { get; set; }
Property Value
Type Description
FilterExpression

Op

Gets or sets the operator of this composed expression.

Declaration
[DataMember]
public ComposedExpression.Operator Op { get; set; }
Property Value
Type Description
ComposedExpressionOperator

RightOperand

Gets or sets the right operand of this composed expression. Cannot be null.

Declaration
[DataMember]
public FilterExpression RightOperand { get; set; }
Property Value
Type Description
FilterExpression

Methods

Evaluate(ITypedKeyValueContainer)

Evaluates a filter expression for a given a set of field values.

Declaration
public override bool Evaluate(ITypedKeyValueContainer values)
Parameters
Type Name Description
ITypedKeyValueContainer values

A set of field values.
Returns
Type Description
bool

true if the field values satisfy the expression, false otherwise.
Overrides

ToString()

ToString()
Declaration
public override string ToString()
Returns
Type Description
string

A string representation of the object, for display purposes.
Overrides

Validate(IFieldDefinitions, bool)

Validates the filter expression against the provided field definitions.

Declaration
public override bool Validate(IFieldDefinitions fields, bool throwIfInvalid)
Parameters
Type Name Description
IFieldDefinitions fields

The field definitions to validate against.
bool throwIfInvalid

If true, an exception will be thrown if invalid field names are encountered. If false, the return value will be set to false without an exception being thrown.
Returns
Type Description
bool

true if the filter expression is valid, given the provided field definitions. false otherwise.
Overrides