QueueProcessingEc2Service.Builder

java.lang.Object
- software.amazon.awscdk.services.ecs.patterns.QueueProcessingEc2Service.Builder

Enclosing class:

QueueProcessingEc2Service
```
public static final class QueueProcessingEc2Service.Builder
extends java.lang.Object
```
A fluent builder for QueueProcessingEc2Service.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`QueueProcessingEc2Service`	`build()`
`QueueProcessingEc2Service.Builder`	`capacityProviderStrategies(java.util.List<? extends CapacityProviderStrategy> capacityProviderStrategies)` A list of Capacity Provider strategies used to place a service.
`QueueProcessingEc2Service.Builder`	`circuitBreaker(DeploymentCircuitBreaker circuitBreaker)` Whether to enable the deployment circuit breaker.
`QueueProcessingEc2Service.Builder`	`cluster(ICluster cluster)` The name of the cluster that hosts the service.
`QueueProcessingEc2Service.Builder`	`command(java.util.List<java.lang.String> command)` The command that is passed to the container.
`QueueProcessingEc2Service.Builder`	`containerName(java.lang.String containerName)` Optional name for the container added.
`QueueProcessingEc2Service.Builder`	`cpu(java.lang.Number cpu)` The number of cpu units used by the task.
`static QueueProcessingEc2Service.Builder`	`create(software.constructs.Construct scope, java.lang.String id)`
`QueueProcessingEc2Service.Builder`	`deploymentController(DeploymentController deploymentController)` Specifies which deployment controller to use for the service.
`QueueProcessingEc2Service.Builder`	`desiredTaskCount(java.lang.Number desiredTaskCount)` Deprecated. - Use `minScalingCapacity` or a literal object instead.
`QueueProcessingEc2Service.Builder`	`enableEcsManagedTags(java.lang.Boolean enableEcsManagedTags)` Specifies whether to enable Amazon ECS managed tags for the tasks within the service.
`QueueProcessingEc2Service.Builder`	`enableLogging(java.lang.Boolean enableLogging)` Flag to indicate whether to enable logging.
`QueueProcessingEc2Service.Builder`	`environment(java.util.Map<java.lang.String,java.lang.String> environment)` The environment variables to pass to the container.
`QueueProcessingEc2Service.Builder`	`family(java.lang.String family)` The name of a family that the task definition is registered to.
`QueueProcessingEc2Service.Builder`	`gpuCount(java.lang.Number gpuCount)` Gpu count for container in task definition.
`QueueProcessingEc2Service.Builder`	`image(ContainerImage image)` The image used to start a container.
`QueueProcessingEc2Service.Builder`	`logDriver(LogDriver logDriver)` The log driver to use.
`QueueProcessingEc2Service.Builder`	`maxHealthyPercent(java.lang.Number maxHealthyPercent)` The maximum number of tasks, specified as a percentage of the Amazon ECS service's DesiredCount value, that can run in a service during a deployment.
`QueueProcessingEc2Service.Builder`	`maxReceiveCount(java.lang.Number maxReceiveCount)` The maximum number of times that a message can be received by consumers.
`QueueProcessingEc2Service.Builder`	`maxScalingCapacity(java.lang.Number maxScalingCapacity)` Maximum capacity to scale to.
`QueueProcessingEc2Service.Builder`	`memoryLimitMiB(java.lang.Number memoryLimitMiB)` The hard limit (in MiB) of memory to present to the container.
`QueueProcessingEc2Service.Builder`	`memoryReservationMiB(java.lang.Number memoryReservationMiB)` The soft limit (in MiB) of memory to reserve for the container.
`QueueProcessingEc2Service.Builder`	`minHealthyPercent(java.lang.Number minHealthyPercent)` The minimum number of tasks, specified as a percentage of the Amazon ECS service's DesiredCount value, that must continue to run and remain healthy during a deployment.
`QueueProcessingEc2Service.Builder`	`minScalingCapacity(java.lang.Number minScalingCapacity)` Minimum capacity to scale to.
`QueueProcessingEc2Service.Builder`	`placementConstraints(java.util.List<? extends PlacementConstraint> placementConstraints)` The placement constraints to use for tasks in the service.
`QueueProcessingEc2Service.Builder`	`placementStrategies(java.util.List<? extends PlacementStrategy> placementStrategies)` The placement strategies to use for tasks in the service.
`QueueProcessingEc2Service.Builder`	`propagateTags(PropagatedTagSource propagateTags)` Specifies whether to propagate the tags from the task definition or the service to the tasks in the service.
`QueueProcessingEc2Service.Builder`	`queue(IQueue queue)` A queue for which to process items from.
`QueueProcessingEc2Service.Builder`	`retentionPeriod(Duration retentionPeriod)` The number of seconds that Dead Letter Queue retains a message.
`QueueProcessingEc2Service.Builder`	`scalingSteps(java.util.List<? extends ScalingInterval> scalingSteps)` The intervals for scaling based on the SQS queue's ApproximateNumberOfMessagesVisible metric.
`QueueProcessingEc2Service.Builder`	`secrets(java.util.Map<java.lang.String,? extends Secret> secrets)` The secret to expose to the container as an environment variable.
`QueueProcessingEc2Service.Builder`	`serviceName(java.lang.String serviceName)` The name of the service.
`QueueProcessingEc2Service.Builder`	`visibilityTimeout(Duration visibilityTimeout)` Timeout of processing a single message.
`QueueProcessingEc2Service.Builder`	`vpc(IVpc vpc)` The VPC where the container instances will be launched or the elastic network interfaces (ENIs) will be deployed.

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

- Method Detail
  - create
```
public static QueueProcessingEc2Service.Builder create(software.constructs.Construct scope,
                                                       java.lang.String id)
```
    Parameters:
    
    scope - This parameter is required.
    
    id - This parameter is required.
    
    Returns:
    
    a new instance of QueueProcessingEc2Service.Builder.
  - image
```
public QueueProcessingEc2Service.Builder image(ContainerImage image)
```
    The image used to start a container.
    
    Parameters:
    
    image - The image used to start a container. This parameter is required.
    
    Returns:
    
    this
  - capacityProviderStrategies
```
public QueueProcessingEc2Service.Builder capacityProviderStrategies(java.util.List<? extends CapacityProviderStrategy> capacityProviderStrategies)
```
    A list of Capacity Provider strategies used to place a service.
    Default: - undefined
    
    Parameters:
    
    capacityProviderStrategies - A list of Capacity Provider strategies used to place a service. This parameter is required.
    
    Returns:
    
    this
  - circuitBreaker
```
public QueueProcessingEc2Service.Builder circuitBreaker(DeploymentCircuitBreaker circuitBreaker)
```
    Whether to enable the deployment circuit breaker.
    If this property is defined, circuit breaker will be implicitly enabled.
    Default: - disabled
    
    Parameters:
    
    circuitBreaker - Whether to enable the deployment circuit breaker. This parameter is required.
    
    Returns:
    
    this
  - cluster
```
public QueueProcessingEc2Service.Builder cluster(ICluster cluster)
```
    The name of the cluster that hosts the service.
    If a cluster is specified, the vpc construct should be omitted. Alternatively, you can omit both cluster and vpc.
    Default: - create a new cluster; if both cluster and vpc are omitted, a new VPC will be created for you.
    
    Parameters:
    
    cluster - The name of the cluster that hosts the service. This parameter is required.
    
    Returns:
    
    this
  - command
```
public QueueProcessingEc2Service.Builder command(java.util.List<java.lang.String> command)
```
    The command that is passed to the container.
    If you provide a shell command as a single string, you have to quote command-line arguments.
    Default: - CMD value built into container image.
    
    Parameters:
    
    command - The command that is passed to the container. This parameter is required.
    
    Returns:
    
    this
  - deploymentController
```
public QueueProcessingEc2Service.Builder deploymentController(DeploymentController deploymentController)
```
    Specifies which deployment controller to use for the service.
    For more information, see Amazon ECS Deployment Types
    Default: - Rolling update (ECS)
    
    Parameters:
    
    deploymentController - Specifies which deployment controller to use for the service. This parameter is required.
    
    Returns:
    
    this
  - desiredTaskCount
```
@Deprecated
public QueueProcessingEc2Service.Builder desiredTaskCount(java.lang.Number desiredTaskCount)
```
    Deprecated. - Use `minScalingCapacity` or a literal object instead.
    
    (deprecated) The desired number of instantiations of the task definition to keep running on the service.
    Default: - If the feature flag, ECS_REMOVE_DEFAULT_DESIRED_COUNT is false, the default is 1; if true, the minScalingCapacity is 1 for all new services and uses the existing services desired count when updating an existing service.
    
    Parameters:
    
    desiredTaskCount - The desired number of instantiations of the task definition to keep running on the service. This parameter is required.
    
    Returns:
    
    this
  - enableEcsManagedTags
```
public QueueProcessingEc2Service.Builder enableEcsManagedTags(java.lang.Boolean enableEcsManagedTags)
```
    Specifies whether to enable Amazon ECS managed tags for the tasks within the service.
    For more information, see Tagging Your Amazon ECS Resources
    Default: false
    
    Parameters:
    
    enableEcsManagedTags - Specifies whether to enable Amazon ECS managed tags for the tasks within the service. This parameter is required.
    
    Returns:
    
    this
  - enableLogging
```
public QueueProcessingEc2Service.Builder enableLogging(java.lang.Boolean enableLogging)
```
    Flag to indicate whether to enable logging.
    Default: true
    
    Parameters:
    
    enableLogging - Flag to indicate whether to enable logging. This parameter is required.
    
    Returns:
    
    this
  - environment
```
public QueueProcessingEc2Service.Builder environment(java.util.Map<java.lang.String,java.lang.String> environment)
```
    The environment variables to pass to the container.
    The variable QUEUE_NAME with value queue.queueName will always be passed.
    Default: 'QUEUE_NAME: queue.queueName'
    
    Parameters:
    
    environment - The environment variables to pass to the container. This parameter is required.
    
    Returns:
    
    this
  - family
```
public QueueProcessingEc2Service.Builder family(java.lang.String family)
```
    The name of a family that the task definition is registered to.
    A family groups multiple versions of a task definition.
    Default: - Automatically generated name.
    
    Parameters:
    
    family - The name of a family that the task definition is registered to. This parameter is required.
    
    Returns:
    
    this
  - logDriver
```
public QueueProcessingEc2Service.Builder logDriver(LogDriver logDriver)
```
    The log driver to use.
    Default: - AwsLogDriver if enableLogging is true
    
    Parameters:
    
    logDriver - The log driver to use. This parameter is required.
    
    Returns:
    
    this
  - maxHealthyPercent
```
public QueueProcessingEc2Service.Builder maxHealthyPercent(java.lang.Number maxHealthyPercent)
```
    The maximum number of tasks, specified as a percentage of the Amazon ECS service's DesiredCount value, that can run in a service during a deployment.
    Default: - default from underlying service.
    
    Parameters:
    
    maxHealthyPercent - The maximum number of tasks, specified as a percentage of the Amazon ECS service's DesiredCount value, that can run in a service during a deployment. This parameter is required.
    
    Returns:
    
    this
  - maxReceiveCount
```
public QueueProcessingEc2Service.Builder maxReceiveCount(java.lang.Number maxReceiveCount)
```
    The maximum number of times that a message can be received by consumers.
    When this value is exceeded for a message the message will be automatically sent to the Dead Letter Queue.
    Default: 3
    
    Parameters:
    
    maxReceiveCount - The maximum number of times that a message can be received by consumers. This parameter is required.
    
    Returns:
    
    this
  - maxScalingCapacity
```
public QueueProcessingEc2Service.Builder maxScalingCapacity(java.lang.Number maxScalingCapacity)
```
    Maximum capacity to scale to.
    Default: - If the feature flag, ECS_REMOVE_DEFAULT_DESIRED_COUNT is false, the default is (desiredTaskCount * 2); if true, the default is 2.
    
    Parameters:
    
    maxScalingCapacity - Maximum capacity to scale to. This parameter is required.
    
    Returns:
    
    this
  - minHealthyPercent
```
public QueueProcessingEc2Service.Builder minHealthyPercent(java.lang.Number minHealthyPercent)
```
    The minimum number of tasks, specified as a percentage of the Amazon ECS service's DesiredCount value, that must continue to run and remain healthy during a deployment.
    Default: - default from underlying service.
    
    Parameters:
    
    minHealthyPercent - The minimum number of tasks, specified as a percentage of the Amazon ECS service's DesiredCount value, that must continue to run and remain healthy during a deployment. This parameter is required.
    
    Returns:
    
    this
  - minScalingCapacity
```
public QueueProcessingEc2Service.Builder minScalingCapacity(java.lang.Number minScalingCapacity)
```
    Minimum capacity to scale to.
    Default: - If the feature flag, ECS_REMOVE_DEFAULT_DESIRED_COUNT is false, the default is the desiredTaskCount; if true, the default is 1.
    
    Parameters:
    
    minScalingCapacity - Minimum capacity to scale to. This parameter is required.
    
    Returns:
    
    this
  - propagateTags
```
public QueueProcessingEc2Service.Builder propagateTags(PropagatedTagSource propagateTags)
```
    Specifies whether to propagate the tags from the task definition or the service to the tasks in the service.
    Tags can only be propagated to the tasks within the service during service creation.
    Default: - none
    
    Parameters:
    
    propagateTags - Specifies whether to propagate the tags from the task definition or the service to the tasks in the service. This parameter is required.
    
    Returns:
    
    this
  - queue
```
public QueueProcessingEc2Service.Builder queue(IQueue queue)
```
    A queue for which to process items from.
    If specified and this is a FIFO queue, the queue name must end in the string '.fifo'. See CreateQueue
    Default: 'SQSQueue with CloudFormation-generated name'
    
    Parameters:
    
    queue - A queue for which to process items from. This parameter is required.
    
    Returns:
    
    this
  - retentionPeriod
```
public QueueProcessingEc2Service.Builder retentionPeriod(Duration retentionPeriod)
```
    The number of seconds that Dead Letter Queue retains a message.
    Default: Duration.days(14)
    
    Parameters:
    
    retentionPeriod - The number of seconds that Dead Letter Queue retains a message. This parameter is required.
    
    Returns:
    
    this
  - scalingSteps
```
public QueueProcessingEc2Service.Builder scalingSteps(java.util.List<? extends ScalingInterval> scalingSteps)
```
    The intervals for scaling based on the SQS queue's ApproximateNumberOfMessagesVisible metric.
    Maps a range of metric values to a particular scaling behavior. See Simple and Step Scaling Policies for Amazon EC2 Auto Scaling
    Default: [{ upper: 0, change: -1 },{ lower: 100, change: +1 },{ lower: 500, change: +5 }]
    
    Parameters:
    
    scalingSteps - The intervals for scaling based on the SQS queue's ApproximateNumberOfMessagesVisible metric. This parameter is required.
    
    Returns:
    
    this
  - secrets
```
public QueueProcessingEc2Service.Builder secrets(java.util.Map<java.lang.String,? extends Secret> secrets)
```
    The secret to expose to the container as an environment variable.
    Default: - No secret environment variables.
    
    Parameters:
    
    secrets - The secret to expose to the container as an environment variable. This parameter is required.
    
    Returns:
    
    this
  - serviceName
```
public QueueProcessingEc2Service.Builder serviceName(java.lang.String serviceName)
```
    The name of the service.
    Default: - CloudFormation-generated name.
    
    Parameters:
    
    serviceName - The name of the service. This parameter is required.
    
    Returns:
    
    this
  - visibilityTimeout
```
public QueueProcessingEc2Service.Builder visibilityTimeout(Duration visibilityTimeout)
```
    Timeout of processing a single message.
    After dequeuing, the processor has this much time to handle the message and delete it from the queue before it becomes visible again for dequeueing by another processor. Values must be between 0 and (12 hours).
    Default: Duration.seconds(30)
    
    Parameters:
    
    visibilityTimeout - Timeout of processing a single message. This parameter is required.
    
    Returns:
    
    this
  - vpc
```
public QueueProcessingEc2Service.Builder vpc(IVpc vpc)
```
    The VPC where the container instances will be launched or the elastic network interfaces (ENIs) will be deployed.
    If a vpc is specified, the cluster construct should be omitted. Alternatively, you can omit both vpc and cluster.
    Default: - uses the VPC defined in the cluster or creates a new VPC.
    
    Parameters:
    
    vpc - The VPC where the container instances will be launched or the elastic network interfaces (ENIs) will be deployed. This parameter is required.
    
    Returns:
    
    this
  - containerName
```
public QueueProcessingEc2Service.Builder containerName(java.lang.String containerName)
```
    Optional name for the container added.
    Default: - QueueProcessingContainer
    
    Parameters:
    
    containerName - Optional name for the container added. This parameter is required.
    
    Returns:
    
    this
  - cpu
```
public QueueProcessingEc2Service.Builder cpu(java.lang.Number cpu)
```
    The number of cpu units used by the task.
    Valid values, which determines your range of valid values for the memory parameter:
    256 (.25 vCPU) - Available memory values: 0.5GB, 1GB, 2GB
    512 (.5 vCPU) - Available memory values: 1GB, 2GB, 3GB, 4GB
    1024 (1 vCPU) - Available memory values: 2GB, 3GB, 4GB, 5GB, 6GB, 7GB, 8GB
    2048 (2 vCPU) - Available memory values: Between 4GB and 16GB in 1GB increments
    4096 (4 vCPU) - Available memory values: Between 8GB and 30GB in 1GB increments
    This default is set in the underlying FargateTaskDefinition construct.
    Default: none
    
    Parameters:
    
    cpu - The number of cpu units used by the task. This parameter is required.
    
    Returns:
    
    this
  - gpuCount
```
public QueueProcessingEc2Service.Builder gpuCount(java.lang.Number gpuCount)
```
    Gpu count for container in task definition.
    Set this if you want to use gpu based instances.
    Default: - No GPUs assigned.
    
    Parameters:
    
    gpuCount - Gpu count for container in task definition. This parameter is required.
    
    Returns:
    
    this
  - memoryLimitMiB
```
public QueueProcessingEc2Service.Builder memoryLimitMiB(java.lang.Number memoryLimitMiB)
```
    The hard limit (in MiB) of memory to present to the container.
    If your container attempts to exceed the allocated memory, the container is terminated.
    At least one of memoryLimitMiB and memoryReservationMiB is required for non-Fargate services.
    Default: - No memory limit.
    
    Parameters:
    
    memoryLimitMiB - The hard limit (in MiB) of memory to present to the container. This parameter is required.
    
    Returns:
    
    this
  - memoryReservationMiB
```
public QueueProcessingEc2Service.Builder memoryReservationMiB(java.lang.Number memoryReservationMiB)
```
    The soft limit (in MiB) of memory to reserve for the container.
    When system memory is under contention, Docker attempts to keep the container memory within the limit. If the container requires more memory, it can consume up to the value specified by the Memory property or all of the available memory on the container instance—whichever comes first.
    At least one of memoryLimitMiB and memoryReservationMiB is required for non-Fargate services.
    Default: - No memory reserved.
    
    Parameters:
    
    memoryReservationMiB - The soft limit (in MiB) of memory to reserve for the container. This parameter is required.
    
    Returns:
    
    this
  - placementConstraints
```
public QueueProcessingEc2Service.Builder placementConstraints(java.util.List<? extends PlacementConstraint> placementConstraints)
```
    The placement constraints to use for tasks in the service.
    For more information, see Amazon ECS Task Placement Constraints.
    Default: - No constraints.
    
    Parameters:
    
    placementConstraints - The placement constraints to use for tasks in the service. This parameter is required.
    
    Returns:
    
    this
  - placementStrategies
```
public QueueProcessingEc2Service.Builder placementStrategies(java.util.List<? extends PlacementStrategy> placementStrategies)
```
    The placement strategies to use for tasks in the service.
    For more information, see Amazon ECS Task Placement Strategies.
    Default: - No strategies.
    
    Parameters:
    
    placementStrategies - The placement strategies to use for tasks in the service. This parameter is required.
    
    Returns:
    
    this
  - build
```
public QueueProcessingEc2Service build()
```

Class QueueProcessingEc2Service.Builder

Method Summary

Methods inherited from class java.lang.Object

Method Detail

create

image

capacityProviderStrategies

circuitBreaker

cluster

command

deploymentController

desiredTaskCount

enableEcsManagedTags

enableLogging

environment

family

logDriver

maxHealthyPercent

maxReceiveCount

maxScalingCapacity

minHealthyPercent

minScalingCapacity

propagateTags

queue

retentionPeriod

scalingSteps

secrets

serviceName

visibilityTimeout

vpc

containerName

cpu

gpuCount

memoryLimitMiB

memoryReservationMiB

placementConstraints

placementStrategies

build