Momentum .NET

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Class PartitionKeyAttribute ​

Namespace: Momentum.Extensions.Abstractions.Messaging
Assembly: Momentum.Extensions.Abstractions.dll

Marks a property as the source for the partition key in distributed events.

csharp
[AttributeUsage(AttributeTargets.Property|AttributeTargets.Parameter)]
public class PartitionKeyAttribute : Attribute

Inheritance ​

object ← Attribute ← PartitionKeyAttribute

Inherited Members ​

Attribute.GetCustomAttributes(MemberInfo, Type), Attribute.GetCustomAttributes(MemberInfo, Type, bool), Attribute.GetCustomAttributes(MemberInfo), Attribute.GetCustomAttributes(MemberInfo, bool), Attribute.IsDefined(MemberInfo, Type), Attribute.IsDefined(MemberInfo, Type, bool), Attribute.GetCustomAttribute(MemberInfo, Type), Attribute.GetCustomAttribute(MemberInfo, Type, bool), Attribute.GetCustomAttributes(ParameterInfo), Attribute.GetCustomAttributes(ParameterInfo, Type), Attribute.GetCustomAttributes(ParameterInfo, Type, bool), Attribute.GetCustomAttributes(ParameterInfo, bool), Attribute.IsDefined(ParameterInfo, Type), Attribute.IsDefined(ParameterInfo, Type, bool), Attribute.GetCustomAttribute(ParameterInfo, Type), Attribute.GetCustomAttribute(ParameterInfo, Type, bool), Attribute.GetCustomAttributes(Module, Type), Attribute.GetCustomAttributes(Module), Attribute.GetCustomAttributes(Module, bool), Attribute.GetCustomAttributes(Module, Type, bool), Attribute.IsDefined(Module, Type), Attribute.IsDefined(Module, Type, bool), Attribute.GetCustomAttribute(Module, Type), Attribute.GetCustomAttribute(Module, Type, bool), Attribute.GetCustomAttributes(Assembly, Type), Attribute.GetCustomAttributes(Assembly, Type, bool), Attribute.GetCustomAttributes(Assembly), Attribute.GetCustomAttributes(Assembly, bool), Attribute.IsDefined(Assembly, Type), Attribute.IsDefined(Assembly, Type, bool), Attribute.GetCustomAttribute(Assembly, Type), Attribute.GetCustomAttribute(Assembly, Type, bool), Attribute.Equals(object?), Attribute.GetHashCode(), Attribute.Match(object?), Attribute.IsDefaultAttribute(), Attribute.TypeId, object.GetType(), object.MemberwiseClone(), object.ToString(), object.Equals(object?), object.Equals(object?, object?), object.ReferenceEquals(object?, object?), object.GetHashCode()

Examples ​

public class OrderCreatedEvent
{
    [PartitionKey]
    public Guid OrderId { get; set; }
}

Remarks ​

Apply this attribute to a property in a distributed event class to indicate that its value should be used as the partition key for message routing.

Constructors ​

PartitionKeyAttribute() ​

csharp
public PartitionKeyAttribute()

Properties ​

Order ​

Gets or sets the order of this partition key component when composing a composite partition key from multiple properties.

csharp
public int Order { get; set; }

Property Value ​

int

Remarks ​

When multiple properties are marked with , they are combined in ascending order to form the final partition key. Lower values are processed first.

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