Class SubscriptionFilter

A subscription filter for an attribute.

Inheritance

System.Object

SubscriptionFilter

Namespace: Amazon.CDK.AWS.SNS

Assembly: Amazon.CDK.Lib.dll

Syntax (csharp)

public class SubscriptionFilter : DeputyBase

Syntax (vb)

Public Class SubscriptionFilter
    Inherits DeputyBase

Remarks

ExampleMetadata: infused

Examples

using Amazon.CDK.AWS.Lambda;
Function fn;


var myTopic = new Topic(this, "MyTopic");

// Lambda should receive only message matching the following conditions on attributes:
// color: 'red' or 'orange' or begins with 'bl'
// size: anything but 'small' or 'medium'
// price: between 100 and 200 or greater than 300
// store: attribute must be present
myTopic.AddSubscription(new LambdaSubscription(fn, new LambdaSubscriptionProps {
    FilterPolicy = new Dictionary<string, SubscriptionFilter> {
        { "color", SubscriptionFilter.StringFilter(new StringConditions {
            Allowlist = new [] { "red", "orange" },
            MatchPrefixes = new [] { "bl" },
            MatchSuffixes = new [] { "ue" }
        }) },
        { "size", SubscriptionFilter.StringFilter(new StringConditions {
            Denylist = new [] { "small", "medium" }
        }) },
        { "price", SubscriptionFilter.NumericFilter(new NumericConditions {
            Between = new BetweenCondition { Start = 100, Stop = 200 },
            GreaterThan = 300
        }) },
        { "store", SubscriptionFilter.ExistsFilter() }
    }
}));

Synopsis

Constructors

SubscriptionFilter(ByRefValue)	Used by jsii to construct an instance of this class from a Javascript-owned object reference
SubscriptionFilter(DeputyBase.DeputyProps)	Used by jsii to construct an instance of this class from DeputyProps
SubscriptionFilter(Object[])

Properties

Conditions

conditions that specify the message attributes that should be included, excluded, matched, etc.

Methods

ExistsFilter()	Returns a subscription filter for attribute key matching.
NumericFilter(INumericConditions)	Returns a subscription filter for a numeric attribute.
StringFilter(IStringConditions)	Returns a subscription filter for a string attribute.

Constructors

SubscriptionFilter(ByRefValue)

Used by jsii to construct an instance of this class from a Javascript-owned object reference

protected SubscriptionFilter(ByRefValue reference)

Parameters

reference Amazon.JSII.Runtime.Deputy.ByRefValue

The Javascript-owned object reference

SubscriptionFilter(DeputyBase.DeputyProps)

Used by jsii to construct an instance of this class from DeputyProps

protected SubscriptionFilter(DeputyBase.DeputyProps props)

Parameters

props Amazon.JSII.Runtime.Deputy.DeputyBase.DeputyProps

The deputy props

SubscriptionFilter(Object[])

public SubscriptionFilter(object[] conditions = null)

Parameters

conditions System.Object[]

conditions that specify the message attributes that should be included, excluded, matched, etc.

Properties

Conditions

conditions that specify the message attributes that should be included, excluded, matched, etc.

public virtual object[] Conditions { get; }

Property Value

System.Object[]

Methods

ExistsFilter()

Returns a subscription filter for attribute key matching.

public static SubscriptionFilter ExistsFilter()

Returns

SubscriptionFilter

NumericFilter(INumericConditions)

Returns a subscription filter for a numeric attribute.

public static SubscriptionFilter NumericFilter(INumericConditions numericConditions)

Parameters

numericConditions INumericConditions

Returns

SubscriptionFilter

StringFilter(IStringConditions)

Returns a subscription filter for a string attribute.

public static SubscriptionFilter StringFilter(IStringConditions stringConditions)

Parameters

stringConditions IStringConditions

Returns

SubscriptionFilter