org.apache.ignite.services

Interface ServiceContext

All Superinterfaces:

Serializable

public interface ServiceContext
extends Serializable

Service execution context. Execution context is provided into Service.execute(ServiceContext) and Service.cancel(ServiceContext) methods and contains information about specific service execution.

Method Summary

Modifier and Type	Method and Description
<K> K	affinityKey() Gets affinity key used for key-to-node affinity calculation.
@Nullable String	cacheName() Gets cache name used for key-to-node affinity calculation.
UUID	executionId() Gets service execution ID.
boolean	isCancelled() Get flag indicating whether service has been cancelled or not.
String	name() Gets service name.

Method Detail

name

String name()

Gets service name.

Returns:

Service name.

executionId

UUID executionId()

Gets service execution ID. Execution ID is guaranteed to be unique across all service deployments.

Returns:

Service execution ID.

isCancelled

boolean isCancelled()

Get flag indicating whether service has been cancelled or not.

Returns:

Flag indicating whether service has been cancelled or not.

cacheName

@Nullable
@Nullable String cacheName()

Gets cache name used for key-to-node affinity calculation. This parameter is optional and is set only when key-affinity service was deployed.

Returns:

Cache name, possibly null.

affinityKey

@Nullable
<K> K affinityKey()

Gets affinity key used for key-to-node affinity calculation. This parameter is optional and is set only when key-affinity service was deployed.

Returns:

Affinity key, possibly null.