java.lang.Object
- software.amazon.awssdk.services.emr.model.Ec2InstanceAttributes

All Implemented Interfaces:

Serializable, SdkPojo, ToCopyableBuilder<Ec2InstanceAttributes.Builder,Ec2InstanceAttributes>
```
@Generated("software.amazon.awssdk:codegen")
public final class Ec2InstanceAttributes
extends Object
implements SdkPojo, Serializable, ToCopyableBuilder<Ec2InstanceAttributes.Builder,Ec2InstanceAttributes>
```
Provides information about the Amazon EC2 instances in a cluster grouped by category. For example, key name, subnet ID, IAM instance profile, and so on.

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static interface Ec2InstanceAttributes.Builder

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`List<String>`	`additionalMasterSecurityGroups()`	A list of additional Amazon EC2 security group IDs for the master node.
`List<String>`	`additionalSlaveSecurityGroups()`	A list of additional Amazon EC2 security group IDs for the core and task nodes.
`static Ec2InstanceAttributes.Builder`	`builder()`
`String`	`ec2AvailabilityZone()`	The Availability Zone in which the cluster will run.
`String`	`ec2KeyName()`	The name of the Amazon EC2 key pair to use when connecting with SSH into the master node as a user named "hadoop".
`String`	`ec2SubnetId()`	Set this parameter to the identifier of the Amazon VPC subnet where you want the cluster to launch.
`String`	`emrManagedMasterSecurityGroup()`	The identifier of the Amazon EC2 security group for the master node.
`String`	`emrManagedSlaveSecurityGroup()`	The identifier of the Amazon EC2 security group for the core and task nodes.
`boolean`	`equals(Object obj)`
`boolean`	`equalsBySdkFields(Object obj)`
`<T> Optional<T>`	`getValueForField(String fieldName, Class<T> clazz)`
`boolean`	`hasAdditionalMasterSecurityGroups()`	For responses, this returns true if the service returned a value for the AdditionalMasterSecurityGroups property.
`boolean`	`hasAdditionalSlaveSecurityGroups()`	For responses, this returns true if the service returned a value for the AdditionalSlaveSecurityGroups property.
`int`	`hashCode()`
`boolean`	`hasRequestedEc2AvailabilityZones()`	For responses, this returns true if the service returned a value for the RequestedEc2AvailabilityZones property.
`boolean`	`hasRequestedEc2SubnetIds()`	For responses, this returns true if the service returned a value for the RequestedEc2SubnetIds property.
`String`	`iamInstanceProfile()`	The IAM role that was specified when the cluster was launched.
`List<String>`	`requestedEc2AvailabilityZones()`	Applies to clusters configured with the instance fleets option.
`List<String>`	`requestedEc2SubnetIds()`	Applies to clusters configured with the instance fleets option.
`List<SdkField<?>>`	`sdkFields()`
`static Class<? extends Ec2InstanceAttributes.Builder>`	`serializableBuilderClass()`
`String`	`serviceAccessSecurityGroup()`	The identifier of the Amazon EC2 security group for the Amazon EMR service to access clusters in VPC private subnets.
`Ec2InstanceAttributes.Builder`	`toBuilder()`
`String`	`toString()`	Returns a string representation of this object.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface software.amazon.awssdk.utils.builder.ToCopyableBuilder
copy

- Method Detail
  - ec2KeyName
```
public final String ec2KeyName()
```
    The name of the Amazon EC2 key pair to use when connecting with SSH into the master node as a user named "hadoop".
    
    Returns:
    
    The name of the Amazon EC2 key pair to use when connecting with SSH into the master node as a user named "hadoop".
  - ec2SubnetId
```
public final String ec2SubnetId()
```
    Set this parameter to the identifier of the Amazon VPC subnet where you want the cluster to launch. If you do not specify this value, and your account supports EC2-Classic, the cluster launches in EC2-Classic.
    
    Returns:
    
    Set this parameter to the identifier of the Amazon VPC subnet where you want the cluster to launch. If you do not specify this value, and your account supports EC2-Classic, the cluster launches in EC2-Classic.
  - hasRequestedEc2SubnetIds
```
public final boolean hasRequestedEc2SubnetIds()
```
    For responses, this returns true if the service returned a value for the RequestedEc2SubnetIds property. This DOES NOT check that the value is non-empty (for which, you should check the isEmpty() method on the property). This is useful because the SDK will never return a null collection or map, but you may need to differentiate between the service returning nothing (or null) and the service returning an empty collection or map. For requests, this returns true if a value for the property was specified in the request builder, and false if a value was not specified.
  - requestedEc2SubnetIds
```
public final List<String> requestedEc2SubnetIds()
```
    Applies to clusters configured with the instance fleets option. Specifies the unique identifier of one or more Amazon EC2 subnets in which to launch Amazon EC2 cluster instances. Subnets must exist within the same VPC. Amazon EMR chooses the Amazon EC2 subnet with the best fit from among the list of RequestedEc2SubnetIds, and then launches all cluster instances within that Subnet. If this value is not specified, and the account and Region support EC2-Classic networks, the cluster launches instances in the EC2-Classic network and uses RequestedEc2AvailabilityZones instead of this setting. If EC2-Classic is not supported, and no Subnet is specified, Amazon EMR chooses the subnet for you. RequestedEc2SubnetIDs and RequestedEc2AvailabilityZones cannot be specified together.
    
    Attempts to modify the collection returned by this method will result in an UnsupportedOperationException.
    
    This method will never return null. If you would like to know whether the service returned this field (so that you can differentiate between null and empty), you can use the hasRequestedEc2SubnetIds() method.
    
    Returns:
    
    Applies to clusters configured with the instance fleets option. Specifies the unique identifier of one or more Amazon EC2 subnets in which to launch Amazon EC2 cluster instances. Subnets must exist within the same VPC. Amazon EMR chooses the Amazon EC2 subnet with the best fit from among the list of RequestedEc2SubnetIds, and then launches all cluster instances within that Subnet. If this value is not specified, and the account and Region support EC2-Classic networks, the cluster launches instances in the EC2-Classic network and uses RequestedEc2AvailabilityZones instead of this setting. If EC2-Classic is not supported, and no Subnet is specified, Amazon EMR chooses the subnet for you. RequestedEc2SubnetIDs and RequestedEc2AvailabilityZones cannot be specified together.
  - ec2AvailabilityZone
```
public final String ec2AvailabilityZone()
```
    The Availability Zone in which the cluster will run.
    
    Returns:
    
    The Availability Zone in which the cluster will run.
  - hasRequestedEc2AvailabilityZones
```
public final boolean hasRequestedEc2AvailabilityZones()
```
    For responses, this returns true if the service returned a value for the RequestedEc2AvailabilityZones property. This DOES NOT check that the value is non-empty (for which, you should check the isEmpty() method on the property). This is useful because the SDK will never return a null collection or map, but you may need to differentiate between the service returning nothing (or null) and the service returning an empty collection or map. For requests, this returns true if a value for the property was specified in the request builder, and false if a value was not specified.
  - requestedEc2AvailabilityZones
```
public final List<String> requestedEc2AvailabilityZones()
```
    Applies to clusters configured with the instance fleets option. Specifies one or more Availability Zones in which to launch Amazon EC2 cluster instances when the EC2-Classic network configuration is supported. Amazon EMR chooses the Availability Zone with the best fit from among the list of RequestedEc2AvailabilityZones , and then launches all cluster instances within that Availability Zone. If you do not specify this value, Amazon EMR chooses the Availability Zone for you. RequestedEc2SubnetIDs and RequestedEc2AvailabilityZones cannot be specified together.
    
    Attempts to modify the collection returned by this method will result in an UnsupportedOperationException.
    
    This method will never return null. If you would like to know whether the service returned this field (so that you can differentiate between null and empty), you can use the hasRequestedEc2AvailabilityZones() method.
    
    Returns:
    
    Applies to clusters configured with the instance fleets option. Specifies one or more Availability Zones in which to launch Amazon EC2 cluster instances when the EC2-Classic network configuration is supported. Amazon EMR chooses the Availability Zone with the best fit from among the list of RequestedEc2AvailabilityZones, and then launches all cluster instances within that Availability Zone. If you do not specify this value, Amazon EMR chooses the Availability Zone for you. RequestedEc2SubnetIDs and RequestedEc2AvailabilityZones cannot be specified together.
  - iamInstanceProfile
```
public final String iamInstanceProfile()
```
    The IAM role that was specified when the cluster was launched. The Amazon EC2 instances of the cluster assume this role.
    
    Returns:
    
    The IAM role that was specified when the cluster was launched. The Amazon EC2 instances of the cluster assume this role.
  - emrManagedMasterSecurityGroup
```
public final String emrManagedMasterSecurityGroup()
```
    The identifier of the Amazon EC2 security group for the master node.
    
    Returns:
    
    The identifier of the Amazon EC2 security group for the master node.
  - emrManagedSlaveSecurityGroup
```
public final String emrManagedSlaveSecurityGroup()
```
    The identifier of the Amazon EC2 security group for the core and task nodes.
    
    Returns:
    
    The identifier of the Amazon EC2 security group for the core and task nodes.
  - serviceAccessSecurityGroup
```
public final String serviceAccessSecurityGroup()
```
    The identifier of the Amazon EC2 security group for the Amazon EMR service to access clusters in VPC private subnets.
    
    Returns:
    
    The identifier of the Amazon EC2 security group for the Amazon EMR service to access clusters in VPC private subnets.
  - hasAdditionalMasterSecurityGroups
```
public final boolean hasAdditionalMasterSecurityGroups()
```
    For responses, this returns true if the service returned a value for the AdditionalMasterSecurityGroups property. This DOES NOT check that the value is non-empty (for which, you should check the isEmpty() method on the property). This is useful because the SDK will never return a null collection or map, but you may need to differentiate between the service returning nothing (or null) and the service returning an empty collection or map. For requests, this returns true if a value for the property was specified in the request builder, and false if a value was not specified.
  - additionalMasterSecurityGroups
```
public final List<String> additionalMasterSecurityGroups()
```
    A list of additional Amazon EC2 security group IDs for the master node.
    
    Attempts to modify the collection returned by this method will result in an UnsupportedOperationException.
    
    This method will never return null. If you would like to know whether the service returned this field (so that you can differentiate between null and empty), you can use the hasAdditionalMasterSecurityGroups() method.
    
    Returns:
    
    A list of additional Amazon EC2 security group IDs for the master node.
  - hasAdditionalSlaveSecurityGroups
```
public final boolean hasAdditionalSlaveSecurityGroups()
```
    For responses, this returns true if the service returned a value for the AdditionalSlaveSecurityGroups property. This DOES NOT check that the value is non-empty (for which, you should check the isEmpty() method on the property). This is useful because the SDK will never return a null collection or map, but you may need to differentiate between the service returning nothing (or null) and the service returning an empty collection or map. For requests, this returns true if a value for the property was specified in the request builder, and false if a value was not specified.
  - additionalSlaveSecurityGroups
```
public final List<String> additionalSlaveSecurityGroups()
```
    A list of additional Amazon EC2 security group IDs for the core and task nodes.
    
    Attempts to modify the collection returned by this method will result in an UnsupportedOperationException.
    
    This method will never return null. If you would like to know whether the service returned this field (so that you can differentiate between null and empty), you can use the hasAdditionalSlaveSecurityGroups() method.
    
    Returns:
    
    A list of additional Amazon EC2 security group IDs for the core and task nodes.
  - toBuilder
```
public Ec2InstanceAttributes.Builder toBuilder()
```
    Specified by:
    
    toBuilder in interface ToCopyableBuilder<Ec2InstanceAttributes.Builder,Ec2InstanceAttributes>
  - builder
```
public static Ec2InstanceAttributes.Builder builder()
```
  - serializableBuilderClass
```
public static Class<? extends Ec2InstanceAttributes.Builder> serializableBuilderClass()
```
  - hashCode
```
public final int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - equals
```
public final boolean equals(Object obj)
```
    Overrides:
    
    equals in class Object
  - equalsBySdkFields
```
public final boolean equalsBySdkFields(Object obj)
```
    Specified by:
    
    equalsBySdkFields in interface SdkPojo
  - toString
```
public final String toString()
```
    Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be redacted from this string using a placeholder value.
    
    Overrides:
    
    toString in class Object
  - getValueForField
```
public final <T> Optional<T> getValueForField(String fieldName,
                                              Class<T> clazz)
```
  - sdkFields
```
public final List<SdkField<?>> sdkFields()
```
    Specified by:
    
    sdkFields in interface SdkPojo

Class Ec2InstanceAttributes

Nested Class Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface software.amazon.awssdk.utils.builder.ToCopyableBuilder

Method Detail

ec2KeyName

ec2SubnetId

hasRequestedEc2SubnetIds

requestedEc2SubnetIds

ec2AvailabilityZone

hasRequestedEc2AvailabilityZones

requestedEc2AvailabilityZones

iamInstanceProfile

emrManagedMasterSecurityGroup

emrManagedSlaveSecurityGroup

serviceAccessSecurityGroup

hasAdditionalMasterSecurityGroups

additionalMasterSecurityGroups

hasAdditionalSlaveSecurityGroups

additionalSlaveSecurityGroups

toBuilder

builder

serializableBuilderClass

hashCode

equals

equalsBySdkFields

toString

getValueForField

sdkFields