Package software.amazon.awscdk.services.ecs

Interface CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty

All Superinterfaces:

software.amazon.jsii.JsiiSerializable

All Known Implementing Classes:

CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty.Jsii$Proxy

Enclosing class:

CfnTaskDefinition

@Stability(Stable)
public static interface CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty
extends software.amazon.jsii.JsiiSerializable

The constraint on task placement in the task definition.

For more information, see Task placement constraints in the Amazon Elastic Container Service Developer Guide .

Task placement constraints aren't supported for tasks run on AWS Fargate .

Example:

 // The code below shows an example of how to instantiate this type.
 // The values are placeholders you should change.
 import software.amazon.awscdk.services.ecs.*;
 TaskDefinitionPlacementConstraintProperty taskDefinitionPlacementConstraintProperty = TaskDefinitionPlacementConstraintProperty.builder()
         .type("type")
         // the properties below are optional
         .expression("expression")
         .build();
 

See Also:

• http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-taskdefinitionplacementconstraint.html

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static final class	CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty.Builder	A builder for CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty
static final class	CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty.Jsii$Proxy	An implementation for CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty

Method Summary

Modifier and Type	Method	Description
static CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty.Builder	builder()
default String	getExpression()	A cluster query language expression to apply to the constraint.
String	getType()	The type of constraint.

Methods inherited from interface software.amazon.jsii.JsiiSerializable

$jsii$toJson

Method Details

getType

@Stability(Stable)
@NotNull
String getType()

The type of constraint.

The MemberOf constraint restricts selection to be from a group of valid candidates.

See Also:

• http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-taskdefinitionplacementconstraint.html#cfn-ecs-taskdefinition-taskdefinitionplacementconstraint-type

getExpression

@Stability(Stable)
@Nullable
default String getExpression()

A cluster query language expression to apply to the constraint.

For more information, see Cluster query language in the Amazon Elastic Container Service Developer Guide .

See Also:

• http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-taskdefinitionplacementconstraint.html#cfn-ecs-taskdefinition-taskdefinitionplacementconstraint-expression

builder

@Stability(Stable)
static CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty.Builder builder()

Returns:

a CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty.Builder of CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty