Class FilterOrPolicy

Class for building the FilterPolicy by avoiding union types.

Inheritance

object

FilterOrPolicy

Filter

Policy

Namespace: Amazon.CDK.AWS.SNS

Assembly: Amazon.CDK.Lib.dll

Syntax (csharp)

public abstract class FilterOrPolicy : DeputyBase

Syntax (vb)

Public MustInherit Class FilterOrPolicy 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 message body:
            // color: 'red' or 'orange'
            // store: property must not be present
            myTopic.AddSubscription(new LambdaSubscription(fn, new LambdaSubscriptionProps {
                FilterPolicyWithMessageBody = new Dictionary<string, FilterOrPolicy> {
                    { "background", FilterOrPolicy.Policy(new Dictionary<string, FilterOrPolicy> {
                        { "color", FilterOrPolicy.Filter(SubscriptionFilter.StringFilter(new StringConditions {
                            Allowlist = new [] { "red", "orange" }
                        })) }
                    }) },
                    { "store", FilterOrPolicy.Filter(SubscriptionFilter.NotExistsFilter()) }
                }
            }));

Synopsis

Constructors

FilterOrPolicy()

Class for building the FilterPolicy by avoiding union types.

Properties

Type	Type switch for disambiguating between subclasses.

Methods

Filter(SubscriptionFilter)	Filter of MessageBody.
IsFilter()	Check if instance is Filter type.
IsPolicy()	Check if instance is Policy type.
Policy(IDictionary<string, FilterOrPolicy>)	Policy of MessageBody.

Constructors

FilterOrPolicy()

Class for building the FilterPolicy by avoiding union types.

protected FilterOrPolicy()

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 message body:
            // color: 'red' or 'orange'
            // store: property must not be present
            myTopic.AddSubscription(new LambdaSubscription(fn, new LambdaSubscriptionProps {
                FilterPolicyWithMessageBody = new Dictionary<string, FilterOrPolicy> {
                    { "background", FilterOrPolicy.Policy(new Dictionary<string, FilterOrPolicy> {
                        { "color", FilterOrPolicy.Filter(SubscriptionFilter.StringFilter(new StringConditions {
                            Allowlist = new [] { "red", "orange" }
                        })) }
                    }) },
                    { "store", FilterOrPolicy.Filter(SubscriptionFilter.NotExistsFilter()) }
                }
            }));

Properties

Type

Type switch for disambiguating between subclasses.

public abstract FilterOrPolicyType Type { get; }

Property Value

FilterOrPolicyType

Remarks

ExampleMetadata: infused

Methods

Filter(SubscriptionFilter)

Filter of MessageBody.

public static Filter Filter(SubscriptionFilter filter)

Parameters

filter SubscriptionFilter

Returns

Filter

Remarks

ExampleMetadata: infused

IsFilter()

Check if instance is Filter type.

public virtual bool IsFilter()

Returns

bool

Remarks

ExampleMetadata: infused

IsPolicy()

Check if instance is Policy type.

public virtual bool IsPolicy()

Returns

bool

Remarks

ExampleMetadata: infused

Policy(IDictionary<string, FilterOrPolicy>)

Policy of MessageBody.

public static Policy Policy(IDictionary<string, FilterOrPolicy> policy)

Parameters

policy IDictionary<string, FilterOrPolicy>

Returns

Policy

Remarks

ExampleMetadata: infused