@Generated(value="software.amazon.awssdk:codegen") public final class UpdateHealthCheckRequest extends Route53Request implements ToCopyableBuilder<UpdateHealthCheckRequest.Builder,UpdateHealthCheckRequest>
A complex type that contains information about a request to update a health check.
| Modifier and Type | Class and Description |
|---|---|
static interface |
UpdateHealthCheckRequest.Builder |
| Modifier and Type | Method and Description |
|---|---|
AlarmIdentifier |
alarmIdentifier()
A complex type that identifies the CloudWatch alarm that you want Amazon Route 53 health checkers to use to
determine whether the specified health check is healthy.
|
static UpdateHealthCheckRequest.Builder |
builder() |
List<String> |
childHealthChecks()
A complex type that contains one
ChildHealthCheck element for each health check that you want to
associate with a CALCULATED health check. |
Boolean |
disabled()
Stops Route 53 from performing health checks.
|
Boolean |
enableSNI()
Specify whether you want Amazon Route 53 to send the value of
FullyQualifiedDomainName to the
endpoint in the client_hello message during TLS negotiation. |
boolean |
equals(Object obj) |
Integer |
failureThreshold()
The number of consecutive health checks that an endpoint must pass or fail for Amazon Route 53 to change the
current status of the endpoint from unhealthy to healthy or vice versa.
|
String |
fullyQualifiedDomainName()
Amazon Route 53 behavior depends on whether you specify a value for
IPAddress. |
<T> Optional<T> |
getValueForField(String fieldName,
Class<T> clazz)
Used to retrieve the value of a field from any class that extends
SdkRequest. |
int |
hashCode() |
String |
healthCheckId()
The ID for the health check for which you want detailed information.
|
Long |
healthCheckVersion()
A sequential counter that Amazon Route 53 sets to
1 when you create a health check and increments by
1 each time you update settings for the health check. |
Integer |
healthThreshold()
The number of child health checks that are associated with a
CALCULATED health that Amazon Route 53
must consider healthy for the CALCULATED health check to be considered healthy. |
InsufficientDataHealthStatus |
insufficientDataHealthStatus()
When CloudWatch has insufficient data about the metric to determine the alarm state, the status that you want
Amazon Route 53 to assign to the health check:
|
String |
insufficientDataHealthStatusAsString()
When CloudWatch has insufficient data about the metric to determine the alarm state, the status that you want
Amazon Route 53 to assign to the health check:
|
Boolean |
inverted()
Specify whether you want Amazon Route 53 to invert the status of a health check, for example, to consider a
health check unhealthy when it otherwise would be considered healthy.
|
String |
ipAddress()
The IPv4 or IPv6 IP address for the endpoint that you want Amazon Route 53 to perform health checks on.
|
Integer |
port()
The port on the endpoint on which you want Amazon Route 53 to perform health checks.
|
List<HealthCheckRegion> |
regions()
A complex type that contains one
Region element for each region that you want Amazon Route 53 health
checkers to check the specified endpoint from. |
List<String> |
regionsAsStrings()
A complex type that contains one
Region element for each region that you want Amazon Route 53 health
checkers to check the specified endpoint from. |
List<ResettableElementName> |
resetElements()
A complex type that contains one
ResettableElementName element for each element that you want to
reset to the default value. |
List<String> |
resetElementsAsStrings()
A complex type that contains one
ResettableElementName element for each element that you want to
reset to the default value. |
String |
resourcePath()
The path that you want Amazon Route 53 to request when performing health checks.
|
List<SdkField<?>> |
sdkFields() |
String |
searchString()
If the value of
Type is HTTP_STR_MATCH or HTTP_STR_MATCH, the string that
you want Amazon Route 53 to search for in the response body from the specified resource. |
static Class<? extends UpdateHealthCheckRequest.Builder> |
serializableBuilderClass() |
UpdateHealthCheckRequest.Builder |
toBuilder()
Take this object and create a builder that contains all of the current property values of this object.
|
String |
toString() |
overrideConfigurationcopypublic String healthCheckId()
The ID for the health check for which you want detailed information. When you created the health check,
CreateHealthCheck returned the ID in the response, in the HealthCheckId element.
CreateHealthCheck returned the ID in the response, in the HealthCheckId
element.public Long healthCheckVersion()
A sequential counter that Amazon Route 53 sets to 1 when you create a health check and increments by
1 each time you update settings for the health check.
We recommend that you use GetHealthCheck or ListHealthChecks to get the current value
of HealthCheckVersion for the health check that you want to update, and that you include that value
in your UpdateHealthCheck request. This prevents Route 53 from overwriting an intervening update:
If the value in the UpdateHealthCheck request matches the value of HealthCheckVersion
in the health check, Route 53 updates the health check with the new settings.
If the value of HealthCheckVersion in the health check is greater, the health check was changed
after you got the version number. Route 53 does not update the health check, and it returns a
HealthCheckVersionMismatch error.
1 when you create a health check and
increments by 1 each time you update settings for the health check.
We recommend that you use GetHealthCheck or ListHealthChecks to get the current
value of HealthCheckVersion for the health check that you want to update, and that you
include that value in your UpdateHealthCheck request. This prevents Route 53 from
overwriting an intervening update:
If the value in the UpdateHealthCheck request matches the value of
HealthCheckVersion in the health check, Route 53 updates the health check with the new
settings.
If the value of HealthCheckVersion in the health check is greater, the health check was
changed after you got the version number. Route 53 does not update the health check, and it returns a
HealthCheckVersionMismatch error.
public String ipAddress()
The IPv4 or IPv6 IP address for the endpoint that you want Amazon Route 53 to perform health checks on. If you
don't specify a value for IPAddress, Route 53 sends a DNS request to resolve the domain name that
you specify in FullyQualifiedDomainName at the interval that you specify in
RequestInterval. Using an IP address that is returned by DNS, Route 53 then checks the health of the
endpoint.
Use one of the following formats for the value of IPAddress:
IPv4 address: four values between 0 and 255, separated by periods (.), for example,
192.0.2.44.
IPv6 address: eight groups of four hexadecimal values, separated by colons (:), for example,
2001:0db8:85a3:0000:0000:abcd:0001:2345. You can also shorten IPv6 addresses as described in RFC
5952, for example, 2001:db8:85a3::abcd:1:2345.
If the endpoint is an EC2 instance, we recommend that you create an Elastic IP address, associate it with your
EC2 instance, and specify the Elastic IP address for IPAddress. This ensures that the IP address of
your instance never changes. For more information, see the applicable documentation:
Linux: Elastic IP Addresses (EIP) in the Amazon EC2 User Guide for Linux Instances
Windows: Elastic IP Addresses (EIP) in the Amazon EC2 User Guide for Windows Instances
If a health check already has a value for IPAddress, you can change the value. However, you can't
update an existing health check to add or remove the value of IPAddress.
For more information, see UpdateHealthCheckRequest$FullyQualifiedDomainName.
Constraints: Route 53 can't check the health of endpoints for which the IP address is in local, private, non-routable, or multicast ranges. For more information about IP addresses for which you can't create health checks, see the following documents:
IPAddress, Route 53 sends a DNS request to resolve the
domain name that you specify in FullyQualifiedDomainName at the interval that you specify in
RequestInterval. Using an IP address that is returned by DNS, Route 53 then checks the
health of the endpoint.
Use one of the following formats for the value of IPAddress:
IPv4 address: four values between 0 and 255, separated by periods (.), for example,
192.0.2.44.
IPv6 address: eight groups of four hexadecimal values, separated by colons (:), for example,
2001:0db8:85a3:0000:0000:abcd:0001:2345. You can also shorten IPv6 addresses as described in
RFC 5952, for example, 2001:db8:85a3::abcd:1:2345.
If the endpoint is an EC2 instance, we recommend that you create an Elastic IP address, associate it with
your EC2 instance, and specify the Elastic IP address for IPAddress. This ensures that the
IP address of your instance never changes. For more information, see the applicable documentation:
Linux: Elastic IP Addresses (EIP) in the Amazon EC2 User Guide for Linux Instances
Windows: Elastic IP Addresses (EIP) in the Amazon EC2 User Guide for Windows Instances
If a health check already has a value for IPAddress, you can change the value. However, you
can't update an existing health check to add or remove the value of IPAddress.
For more information, see UpdateHealthCheckRequest$FullyQualifiedDomainName.
Constraints: Route 53 can't check the health of endpoints for which the IP address is in local, private, non-routable, or multicast ranges. For more information about IP addresses for which you can't create health checks, see the following documents:
public Integer port()
The port on the endpoint on which you want Amazon Route 53 to perform health checks.
public String resourcePath()
The path that you want Amazon Route 53 to request when performing health checks. The path can be any value for
which your endpoint will return an HTTP status code of 2xx or 3xx when the endpoint is healthy, for example the
file /docs/route53-health-check.html. You can also include query string parameters, for example,
/welcome.html?language=jp&login=y.
Specify this value only if you want to change it.
/welcome.html?language=jp&login=y.
Specify this value only if you want to change it.
public String fullyQualifiedDomainName()
Amazon Route 53 behavior depends on whether you specify a value for IPAddress.
If a health check already has a value for IPAddress, you can change the value. However, you can't
update an existing health check to add or remove the value of IPAddress.
If you specify a value for IPAddress:
Route 53 sends health check requests to the specified IPv4 or IPv6 address and passes the value of
FullyQualifiedDomainName in the Host header for all health checks except TCP health
checks. This is typically the fully qualified DNS name of the endpoint on which you want Route 53 to perform
health checks.
When Route 53 checks the health of an endpoint, here is how it constructs the Host header:
If you specify a value of 80 for Port and HTTP or
HTTP_STR_MATCH for Type, Route 53 passes the value of
FullyQualifiedDomainName to the endpoint in the Host header.
If you specify a value of 443 for Port and HTTPS or
HTTPS_STR_MATCH for Type, Route 53 passes the value of
FullyQualifiedDomainName to the endpoint in the Host header.
If you specify another value for Port and any value except TCP for Type,
Route 53 passes FullyQualifiedDomainName:Port to the endpoint in the
Host header.
If you don't specify a value for FullyQualifiedDomainName, Route 53 substitutes the value of
IPAddress in the Host header in each of the above cases.
If you don't specify a value for IPAddress:
If you don't specify a value for IPAddress, Route 53 sends a DNS request to the domain that you
specify in FullyQualifiedDomainName at the interval you specify in RequestInterval.
Using an IPv4 address that is returned by DNS, Route 53 then checks the health of the endpoint.
If you don't specify a value for IPAddress, Route 53 uses only IPv4 to send health checks to the
endpoint. If there's no resource record set with a type of A for the name that you specify for
FullyQualifiedDomainName, the health check fails with a "DNS resolution failed" error.
If you want to check the health of weighted, latency, or failover resource record sets and you choose to specify
the endpoint only by FullyQualifiedDomainName, we recommend that you create a separate health check
for each endpoint. For example, create a health check for each HTTP server that is serving content for
www.example.com. For the value of FullyQualifiedDomainName, specify the domain name of the server
(such as us-east-2-www.example.com), not the name of the resource record sets (www.example.com).
In this configuration, if the value of FullyQualifiedDomainName matches the name of the resource
record sets and you then associate the health check with those resource record sets, health check results will be
unpredictable.
In addition, if the value of Type is HTTP, HTTPS,
HTTP_STR_MATCH, or HTTPS_STR_MATCH, Route 53 passes the value of
FullyQualifiedDomainName in the Host header, as it does when you specify a value for
IPAddress. If the value of Type is TCP, Route 53 doesn't pass a
Host header.
IPAddress.
If a health check already has a value for IPAddress, you can change the value. However, you
can't update an existing health check to add or remove the value of IPAddress.
If you specify a value for IPAddress:
Route 53 sends health check requests to the specified IPv4 or IPv6 address and passes the value of
FullyQualifiedDomainName in the Host header for all health checks except TCP
health checks. This is typically the fully qualified DNS name of the endpoint on which you want Route 53
to perform health checks.
When Route 53 checks the health of an endpoint, here is how it constructs the Host header:
If you specify a value of 80 for Port and HTTP or
HTTP_STR_MATCH for Type, Route 53 passes the value of
FullyQualifiedDomainName to the endpoint in the Host header.
If you specify a value of 443 for Port and HTTPS or
HTTPS_STR_MATCH for Type, Route 53 passes the value of
FullyQualifiedDomainName to the endpoint in the Host header.
If you specify another value for Port and any value except TCP for
Type, Route 53 passes FullyQualifiedDomainName:Port to
the endpoint in the Host header.
If you don't specify a value for FullyQualifiedDomainName, Route 53 substitutes the value of
IPAddress in the Host header in each of the above cases.
If you don't specify a value for IPAddress:
If you don't specify a value for IPAddress, Route 53 sends a DNS request to the domain that
you specify in FullyQualifiedDomainName at the interval you specify in
RequestInterval. Using an IPv4 address that is returned by DNS, Route 53 then checks the
health of the endpoint.
If you don't specify a value for IPAddress, Route 53 uses only IPv4 to send health checks to
the endpoint. If there's no resource record set with a type of A for the name that you specify for
FullyQualifiedDomainName, the health check fails with a "DNS resolution failed" error.
If you want to check the health of weighted, latency, or failover resource record sets and you choose to
specify the endpoint only by FullyQualifiedDomainName, we recommend that you create a
separate health check for each endpoint. For example, create a health check for each HTTP server that is
serving content for www.example.com. For the value of FullyQualifiedDomainName, specify the
domain name of the server (such as us-east-2-www.example.com), not the name of the resource
record sets (www.example.com).
In this configuration, if the value of FullyQualifiedDomainName matches the name of the
resource record sets and you then associate the health check with those resource record sets, health
check results will be unpredictable.
In addition, if the value of Type is HTTP, HTTPS,
HTTP_STR_MATCH, or HTTPS_STR_MATCH, Route 53 passes the value of
FullyQualifiedDomainName in the Host header, as it does when you specify a
value for IPAddress. If the value of Type is TCP, Route 53 doesn't
pass a Host header.
public String searchString()
If the value of Type is HTTP_STR_MATCH or HTTP_STR_MATCH, the string that
you want Amazon Route 53 to search for in the response body from the specified resource. If the string appears in
the response body, Route 53 considers the resource healthy. (You can't change the value of Type when
you update a health check.)
Type is HTTP_STR_MATCH or HTTP_STR_MATCH, the
string that you want Amazon Route 53 to search for in the response body from the specified resource. If
the string appears in the response body, Route 53 considers the resource healthy. (You can't change the
value of Type when you update a health check.)public Integer failureThreshold()
The number of consecutive health checks that an endpoint must pass or fail for Amazon Route 53 to change the current status of the endpoint from unhealthy to healthy or vice versa. For more information, see How Amazon Route 53 Determines Whether an Endpoint Is Healthy in the Amazon Route 53 Developer Guide.
If you don't specify a value for FailureThreshold, the default value is three health checks.
If you don't specify a value for FailureThreshold, the default value is three health checks.
public Boolean inverted()
Specify whether you want Amazon Route 53 to invert the status of a health check, for example, to consider a health check unhealthy when it otherwise would be considered healthy.
public Boolean disabled()
Stops Route 53 from performing health checks. When you disable a health check, here's what happens:
Health checks that check the health of endpoints: Route 53 stops submitting requests to your application, server, or other resource.
Calculated health checks: Route 53 stops aggregating the status of the referenced health checks.
Health checks that monitor CloudWatch alarms: Route 53 stops monitoring the corresponding CloudWatch metrics.
After you disable a health check, Route 53 considers the status of the health check to always be healthy. If you configured DNS failover, Route 53 continues to route traffic to the corresponding resources. If you want to stop routing traffic to a resource, change the value of UpdateHealthCheckRequest$Inverted.
Charges for a health check still apply when the health check is disabled. For more information, see Amazon Route 53 Pricing.
Health checks that check the health of endpoints: Route 53 stops submitting requests to your application, server, or other resource.
Calculated health checks: Route 53 stops aggregating the status of the referenced health checks.
Health checks that monitor CloudWatch alarms: Route 53 stops monitoring the corresponding CloudWatch metrics.
After you disable a health check, Route 53 considers the status of the health check to always be healthy. If you configured DNS failover, Route 53 continues to route traffic to the corresponding resources. If you want to stop routing traffic to a resource, change the value of UpdateHealthCheckRequest$Inverted.
Charges for a health check still apply when the health check is disabled. For more information, see Amazon Route 53 Pricing.
public Integer healthThreshold()
The number of child health checks that are associated with a CALCULATED health that Amazon Route 53
must consider healthy for the CALCULATED health check to be considered healthy. To specify the child
health checks that you want to associate with a CALCULATED health check, use the
ChildHealthChecks and ChildHealthCheck elements.
Note the following:
If you specify a number greater than the number of child health checks, Route 53 always considers this health check to be unhealthy.
If you specify 0, Route 53 always considers this health check to be healthy.
CALCULATED health that Amazon
Route 53 must consider healthy for the CALCULATED health check to be considered healthy. To
specify the child health checks that you want to associate with a CALCULATED health check,
use the ChildHealthChecks and ChildHealthCheck elements.
Note the following:
If you specify a number greater than the number of child health checks, Route 53 always considers this health check to be unhealthy.
If you specify 0, Route 53 always considers this health check to be healthy.
public List<String> childHealthChecks()
A complex type that contains one ChildHealthCheck element for each health check that you want to
associate with a CALCULATED health check.
Attempts to modify the collection returned by this method will result in an UnsupportedOperationException.
ChildHealthCheck element for each health check that you
want to associate with a CALCULATED health check.public Boolean enableSNI()
Specify whether you want Amazon Route 53 to send the value of FullyQualifiedDomainName to the
endpoint in the client_hello message during TLS negotiation. This allows the endpoint
to respond to HTTPS health check requests with the applicable SSL/TLS certificate.
Some endpoints require that HTTPS requests include the host name in the client_hello message. If you
don't enable SNI, the status of the health check will be SSL alert handshake_failure. A health check
can also have that status for other reasons. If SNI is enabled and you're still getting the error, check the
SSL/TLS configuration on your endpoint and confirm that your certificate is valid.
The SSL/TLS certificate on your endpoint includes a domain name in the Common Name field and
possibly several more in the Subject Alternative Names field. One of the domain names in the
certificate should match the value that you specify for FullyQualifiedDomainName. If the endpoint
responds to the client_hello message with a certificate that does not include the domain name that
you specified in FullyQualifiedDomainName, a health checker will retry the handshake. In the second
attempt, the health checker will omit FullyQualifiedDomainName from the client_hello
message.
FullyQualifiedDomainName to
the endpoint in the client_hello message during TLS negotiation. This allows
the endpoint to respond to HTTPS health check requests with the applicable SSL/TLS
certificate.
Some endpoints require that HTTPS requests include the host name in the client_hello
message. If you don't enable SNI, the status of the health check will be SSL alert
handshake_failure. A health check can also have that status for other reasons. If SNI is
enabled and you're still getting the error, check the SSL/TLS configuration on your endpoint and confirm
that your certificate is valid.
The SSL/TLS certificate on your endpoint includes a domain name in the Common Name field and
possibly several more in the Subject Alternative Names field. One of the domain names in the
certificate should match the value that you specify for FullyQualifiedDomainName. If the
endpoint responds to the client_hello message with a certificate that does not include the
domain name that you specified in FullyQualifiedDomainName, a health checker will retry the
handshake. In the second attempt, the health checker will omit FullyQualifiedDomainName from
the client_hello message.
public List<HealthCheckRegion> regions()
A complex type that contains one Region element for each region that you want Amazon Route 53 health
checkers to check the specified endpoint from.
Attempts to modify the collection returned by this method will result in an UnsupportedOperationException.
Region element for each region that you want Amazon Route
53 health checkers to check the specified endpoint from.public List<String> regionsAsStrings()
A complex type that contains one Region element for each region that you want Amazon Route 53 health
checkers to check the specified endpoint from.
Attempts to modify the collection returned by this method will result in an UnsupportedOperationException.
Region element for each region that you want Amazon Route
53 health checkers to check the specified endpoint from.public AlarmIdentifier alarmIdentifier()
A complex type that identifies the CloudWatch alarm that you want Amazon Route 53 health checkers to use to determine whether the specified health check is healthy.
public InsufficientDataHealthStatus insufficientDataHealthStatus()
When CloudWatch has insufficient data about the metric to determine the alarm state, the status that you want Amazon Route 53 to assign to the health check:
Healthy: Route 53 considers the health check to be healthy.
Unhealthy: Route 53 considers the health check to be unhealthy.
LastKnownStatus: Route 53 uses the status of the health check from the last time CloudWatch had
sufficient data to determine the alarm state. For new health checks that have no last known status, the default
status for the health check is healthy.
If the service returns an enum value that is not available in the current SDK version,
insufficientDataHealthStatus will return InsufficientDataHealthStatus.UNKNOWN_TO_SDK_VERSION.
The raw value returned by the service is available from insufficientDataHealthStatusAsString().
Healthy: Route 53 considers the health check to be healthy.
Unhealthy: Route 53 considers the health check to be unhealthy.
LastKnownStatus: Route 53 uses the status of the health check from the last time CloudWatch
had sufficient data to determine the alarm state. For new health checks that have no last known status,
the default status for the health check is healthy.
InsufficientDataHealthStatuspublic String insufficientDataHealthStatusAsString()
When CloudWatch has insufficient data about the metric to determine the alarm state, the status that you want Amazon Route 53 to assign to the health check:
Healthy: Route 53 considers the health check to be healthy.
Unhealthy: Route 53 considers the health check to be unhealthy.
LastKnownStatus: Route 53 uses the status of the health check from the last time CloudWatch had
sufficient data to determine the alarm state. For new health checks that have no last known status, the default
status for the health check is healthy.
If the service returns an enum value that is not available in the current SDK version,
insufficientDataHealthStatus will return InsufficientDataHealthStatus.UNKNOWN_TO_SDK_VERSION.
The raw value returned by the service is available from insufficientDataHealthStatusAsString().
Healthy: Route 53 considers the health check to be healthy.
Unhealthy: Route 53 considers the health check to be unhealthy.
LastKnownStatus: Route 53 uses the status of the health check from the last time CloudWatch
had sufficient data to determine the alarm state. For new health checks that have no last known status,
the default status for the health check is healthy.
InsufficientDataHealthStatuspublic List<ResettableElementName> resetElements()
A complex type that contains one ResettableElementName element for each element that you want to
reset to the default value. Valid values for ResettableElementName include the following:
ChildHealthChecks: Amazon Route 53 resets HealthCheckConfig$ChildHealthChecks to null.
FullyQualifiedDomainName: Route 53 resets HealthCheckConfig$FullyQualifiedDomainName to null.
Regions: Route 53 resets the HealthCheckConfig$Regions list to the default set of regions.
ResourcePath: Route 53 resets HealthCheckConfig$ResourcePath to null.
Attempts to modify the collection returned by this method will result in an UnsupportedOperationException.
ResettableElementName element for each element that you
want to reset to the default value. Valid values for ResettableElementName include the
following:
ChildHealthChecks: Amazon Route 53 resets HealthCheckConfig$ChildHealthChecks to
null.
FullyQualifiedDomainName: Route 53 resets HealthCheckConfig$FullyQualifiedDomainName
to null.
Regions: Route 53 resets the HealthCheckConfig$Regions list to the default set of
regions.
ResourcePath: Route 53 resets HealthCheckConfig$ResourcePath to null.
public List<String> resetElementsAsStrings()
A complex type that contains one ResettableElementName element for each element that you want to
reset to the default value. Valid values for ResettableElementName include the following:
ChildHealthChecks: Amazon Route 53 resets HealthCheckConfig$ChildHealthChecks to null.
FullyQualifiedDomainName: Route 53 resets HealthCheckConfig$FullyQualifiedDomainName to null.
Regions: Route 53 resets the HealthCheckConfig$Regions list to the default set of regions.
ResourcePath: Route 53 resets HealthCheckConfig$ResourcePath to null.
Attempts to modify the collection returned by this method will result in an UnsupportedOperationException.
ResettableElementName element for each element that you
want to reset to the default value. Valid values for ResettableElementName include the
following:
ChildHealthChecks: Amazon Route 53 resets HealthCheckConfig$ChildHealthChecks to
null.
FullyQualifiedDomainName: Route 53 resets HealthCheckConfig$FullyQualifiedDomainName
to null.
Regions: Route 53 resets the HealthCheckConfig$Regions list to the default set of
regions.
ResourcePath: Route 53 resets HealthCheckConfig$ResourcePath to null.
public UpdateHealthCheckRequest.Builder toBuilder()
ToCopyableBuildertoBuilder in interface ToCopyableBuilder<UpdateHealthCheckRequest.Builder,UpdateHealthCheckRequest>toBuilder in class Route53Requestpublic static UpdateHealthCheckRequest.Builder builder()
public static Class<? extends UpdateHealthCheckRequest.Builder> serializableBuilderClass()
public <T> Optional<T> getValueForField(String fieldName, Class<T> clazz)
SdkRequestSdkRequest. The field name
specified should match the member name from the corresponding service-2.json model specified in the
codegen-resources folder for a given service. The class specifies what class to cast the returned value to.
If the returned value is also a modeled class, the SdkRequest.getValueForField(String, Class) method will
again be available.getValueForField in class SdkRequestfieldName - The name of the member to be retrieved.clazz - The class to cast the returned object to.Copyright © 2017 Amazon Web Services, Inc. All Rights Reserved.