CannotApplyEqualityOperatorAttribute Class

Couchbase .NET SDK 2.0

Indicates that the value of the marked type (or its derivatives) cannot be compared using '==' or '!=' operators and Equals() should be used instead. However, using '==' or '!=' for comparison with null is always permitted.

Inheritance Hierarchy

System.Object
System.Attribute
Couchbase.Annotations.CannotApplyEqualityOperatorAttribute

Namespace: Couchbase.Annotations
Assembly: Couchbase.NetClient (in Couchbase.NetClient.dll) Version: 2.0.0.0 (2.0.0.0)

Syntax

C++

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public sealed class CannotApplyEqualityOperatorAttribute : Attribute

public sealed class CannotApplyEqualityOperatorAttribute : Attribute

Public NotInheritable Class CannotApplyEqualityOperatorAttribute 
	Inherits Attribute

Public NotInheritable Class CannotApplyEqualityOperatorAttribute 
	Inherits Attribute

public ref class CannotApplyEqualityOperatorAttribute sealed : public Attribute

public ref class CannotApplyEqualityOperatorAttribute sealed : public Attribute

[<SealedAttribute>]
type CannotApplyEqualityOperatorAttribute =  
    class 
        inherit Attribute 
    end

[<SealedAttribute>]
type CannotApplyEqualityOperatorAttribute =  
    class 
        inherit Attribute 
    end

The CannotApplyEqualityOperatorAttribute type exposes the following members.

Constructors

	Name	Description
	CannotApplyEqualityOperatorAttribute	Initializes a new instance of the CannotApplyEqualityOperatorAttribute class

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Methods

	Name	Description
	Equals	Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
	GetHashCode	Returns the hash code for this instance. (Inherited from Attribute.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	IsDefaultAttribute	When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
	Match	When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Properties

	Name	Description
	TypeId	When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)

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Examples

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[CannotApplyEqualityOperator]
class NoEquality { }
class UsesNoEquality {
  public void Test() {
    var ca1 = new NoEquality();
    var ca2 = new NoEquality();
    if (ca1 != null) { // OK 
      bool condition = ca1 == ca2; // Warning
    }
  }
}

[CannotApplyEqualityOperator]
class NoEquality { }
class UsesNoEquality {
  public void Test() {
    var ca1 = new NoEquality();
    var ca2 = new NoEquality();
    if (ca1 != null) { // OK 
      bool condition = ca1 == ca2; // Warning
    }
  }
}

Reference

Couchbase.Annotations Namespace