software.amazon.awscdk.services.appmesh

Enum DnsResponseType

java.lang.Object

java.lang.Enum<DnsResponseType>

software.amazon.awscdk.services.appmesh.DnsResponseType

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<DnsResponseType>

@Generated(value="jsii-pacmak/1.74.0 (build 6d08790)",
           date="2023-03-22T19:35:48.554Z")
public enum DnsResponseType
extends java.lang.Enum<DnsResponseType>

Enum of DNS service discovery response type.

Example:

 // A Virtual Node with a gRPC listener with a connection pool set
 Mesh mesh;
 VirtualNode node = VirtualNode.Builder.create(this, "node")
         .mesh(mesh)
         // DNS service discovery can optionally specify the DNS response type as either LOAD_BALANCER or ENDPOINTS.
         // LOAD_BALANCER means that the DNS resolver returns a loadbalanced set of endpoints,
         // whereas ENDPOINTS means that the DNS resolver is returning all the endpoints.
         // By default, the response type is assumed to be LOAD_BALANCER
         .serviceDiscovery(ServiceDiscovery.dns("node", DnsResponseType.ENDPOINTS))
         .listeners(List.of(VirtualNodeListener.http(HttpVirtualNodeListenerOptions.builder()
                 .port(80)
                 .connectionPool(HttpConnectionPool.builder()
                         .maxConnections(100)
                         .maxPendingRequests(10)
                         .build())
                 .build())))
         .build();
 // A Virtual Gateway with a gRPC listener with a connection pool set
 VirtualGateway gateway = VirtualGateway.Builder.create(this, "gateway")
         .mesh(mesh)
         .listeners(List.of(VirtualGatewayListener.grpc(GrpcGatewayListenerOptions.builder()
                 .port(8080)
                 .connectionPool(GrpcConnectionPool.builder()
                         .maxRequests(10)
                         .build())
                 .build())))
         .virtualGatewayName("gateway")
         .build();
 

Enum Constant Summary

Enum Constants

Enum Constant and Description
ENDPOINTS DNS resolver is returning all the endpoints.
LOAD_BALANCER DNS resolver returns a loadbalanced set of endpoints and the traffic would be sent to the given endpoints.

Method Summary

Modifier and Type	Method and Description
static DnsResponseType	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static DnsResponseType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

LOAD_BALANCER

public static final DnsResponseType LOAD_BALANCER

DNS resolver returns a loadbalanced set of endpoints and the traffic would be sent to the given endpoints.

It would not drain existing connections to other endpoints that are not part of this list.

ENDPOINTS

public static final DnsResponseType ENDPOINTS

DNS resolver is returning all the endpoints.

This also means that if an endpoint is missing, it would drain the current connections to the missing endpoint.

Method Detail

values

public static DnsResponseType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (DnsResponseType c : DnsResponseType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static DnsResponseType valueOf(java.lang.String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

java.lang.IllegalArgumentException - if this enum type has no constant with the specified name

java.lang.NullPointerException - if the argument is null