Class CfnService.PlacementStrategyProperty.Builder
java.lang.Object
software.amazon.awscdk.services.ecs.CfnService.PlacementStrategyProperty.Builder
- All Implemented Interfaces:
software.amazon.jsii.Builder<CfnService.PlacementStrategyProperty>
- Enclosing interface:
CfnService.PlacementStrategyProperty
@Stability(Stable)
public static final class CfnService.PlacementStrategyProperty.Builder
extends Object
implements software.amazon.jsii.Builder<CfnService.PlacementStrategyProperty>
A builder for
CfnService.PlacementStrategyProperty
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionbuild()
Builds the configured instance.Sets the value ofCfnService.PlacementStrategyProperty.getField()
Sets the value ofCfnService.PlacementStrategyProperty.getType()
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Constructor Details
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Builder
public Builder()
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Method Details
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type
Sets the value ofCfnService.PlacementStrategyProperty.getType()
- Parameters:
type
- The type of placement strategy. This parameter is required. Therandom
placement strategy randomly places tasks on available candidates. Thespread
placement strategy spreads placement across available candidates evenly based on thefield
parameter. Thebinpack
strategy places tasks on available candidates that have the least available amount of the resource that's specified with thefield
parameter. For example, if you binpack on memory, a task is placed on the instance with the least amount of remaining memory but still enough to run the task.- Returns:
this
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field
Sets the value ofCfnService.PlacementStrategyProperty.getField()
- Parameters:
field
- The field to apply the placement strategy against. For thespread
placement strategy, valid values areinstanceId
(orhost
, which has the same effect), or any platform or custom attribute that's applied to a container instance, such asattribute:ecs.availability-zone
. For thebinpack
placement strategy, valid values arecpu
andmemory
. For therandom
placement strategy, this field is not used.- Returns:
this
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build
Builds the configured instance.- Specified by:
build
in interfacesoftware.amazon.jsii.Builder<CfnService.PlacementStrategyProperty>
- Returns:
- a new instance of
CfnService.PlacementStrategyProperty
- Throws:
NullPointerException
- if any required attribute was not provided
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