com.netflix.genie.web.agent.services.impl

Class AgentJobServiceImpl

java.lang.Object

com.netflix.genie.web.agent.services.impl.AgentJobServiceImpl

All Implemented Interfaces:

AgentJobService

@Validated
 @Transactional
public class AgentJobServiceImpl
extends java.lang.Object
implements AgentJobService

Default implementation of AgentJobService.

Since:

4.0.0

Constructor Summary

Constructors

Constructor and Description
AgentJobServiceImpl(JobPersistenceService jobPersistenceService, JobResolverService jobResolverService, AgentFilterService agentFilterService, io.micrometer.core.instrument.MeterRegistry meterRegistry) Constructor.

Method Summary

Modifier and Type	Method and Description
void	claimJob(@NotBlank java.lang.String id, @Valid AgentClientMetadata agentClientMetadata) Set a job identified by id to be owned by the agent identified by agentClientMetadata.
JobSpecification	dryRunJobSpecificationResolution(@Valid JobRequest jobRequest) Run the job specification resolution algorithm on the given input but save nothing in the system.
JobSpecification	getJobSpecification(@NotBlank java.lang.String id) Get a job specification if has been resolved.
void	handshake(@Valid AgentClientMetadata agentClientMetadata) Shake hands and allow a client or reject it based on the supplied AgentClientMetadata.
java.lang.String	reserveJobId(@Valid JobRequest jobRequest, @Valid AgentClientMetadata agentClientMetadata) Reserve a job id and persist job details in the database based on the supplied JobRequest.
JobSpecification	resolveJobSpecification(@NotBlank java.lang.String id) Resolve the job specification for job identified by the given id.
void	updateJobStatus(@NotBlank java.lang.String id, JobStatus currentStatus, JobStatus newStatus, java.lang.String newStatusMessage) Update the status of the job identified with id to be newStatus provided that the current status of the job matches newStatus.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AgentJobServiceImpl

public AgentJobServiceImpl(JobPersistenceService jobPersistenceService,
                           JobResolverService jobResolverService,
                           AgentFilterService agentFilterService,
                           io.micrometer.core.instrument.MeterRegistry meterRegistry)

Constructor.

Parameters:

jobPersistenceService - The persistence service to use

jobResolverService - The specification service to use

agentFilterService - The agent filter service to use

meterRegistry - The metrics registry to use

Method Detail

handshake

public void handshake(@Valid
                      @Valid AgentClientMetadata agentClientMetadata)
               throws GenieAgentRejectedException

Shake hands and allow a client or reject it based on the supplied AgentClientMetadata.

Specified by:

handshake in interface AgentJobService

Parameters:

agentClientMetadata - The metadata about the agent starting to run a given job

Throws:

GenieAgentRejectedException - If the server rejects the client based on its metadata

reserveJobId

public java.lang.String reserveJobId(@Valid
                                     @Valid JobRequest jobRequest,
                                     @Valid
                                     @Valid AgentClientMetadata agentClientMetadata)

Reserve a job id and persist job details in the database based on the supplied JobRequest.

Specified by:

reserveJobId in interface AgentJobService

Parameters:

jobRequest - The job request containing all the metadata needed to reserve a job id

agentClientMetadata - The metadata about the agent driving this job request

Returns:

The unique id of the job which was saved in the database

resolveJobSpecification

public JobSpecification resolveJobSpecification(@NotBlank
                                                @NotBlank java.lang.String id)
                                         throws GenieJobResolutionException

Resolve the job specification for job identified by the given id. This method will persist the job specification details to the database.

Specified by:

resolveJobSpecification in interface AgentJobService

Parameters:

id - The id of the job to resolve the specification for. Must already have a reserved an id in the database

Returns:

The job specification if one could be resolved

Throws:

GenieJobResolutionException - On error resolving the job given the input parameters and system state

getJobSpecification

@Transactional(readOnly=true)
public JobSpecification getJobSpecification(@NotBlank
                                                                          @NotBlank java.lang.String id)

Get a job specification if has been resolved.

Specified by:

getJobSpecification in interface AgentJobService

Parameters:

id - the id of the job to retrieve the specification for

Returns:

The job specification for the job

dryRunJobSpecificationResolution

@Transactional(readOnly=true)
public JobSpecification dryRunJobSpecificationResolution(@Valid
                                                                                       @Valid JobRequest jobRequest)
                                                                                throws GenieJobResolutionException

Run the job specification resolution algorithm on the given input but save nothing in the system.

Specified by:

dryRunJobSpecificationResolution in interface AgentJobService

Parameters:

jobRequest - The job request containing all the metadata needed to resolve a job specification

Returns:

The job specification that would have been resolved for the given input

Throws:

GenieJobResolutionException - On error resolving the job given the input parameters and system state

claimJob

public void claimJob(@NotBlank
                     @NotBlank java.lang.String id,
                     @Valid
                     @Valid AgentClientMetadata agentClientMetadata)

Set a job identified by id to be owned by the agent identified by agentClientMetadata. The job status in the system will be set to JobStatus.CLAIMED

Specified by:

claimJob in interface AgentJobService

Parameters:

id - The id of the job to claim. Must exist in the system.

agentClientMetadata - The metadata about the client claiming the job

updateJobStatus

public void updateJobStatus(@NotBlank
                            @NotBlank java.lang.String id,
                            JobStatus currentStatus,
                            JobStatus newStatus,
                            @Nullable
                            java.lang.String newStatusMessage)

Update the status of the job identified with id to be newStatus provided that the current status of the job matches newStatus. Optionally a status message can be provided to provide more details to users. If the newStatus is JobStatus.RUNNING the start time will be set. If the newStatus is a member of JobStatus.getFinishedStatuses() and the job had a started time set the finished time of the job will be set.

Specified by:

updateJobStatus in interface AgentJobService

Parameters:

id - The id of the job to update status for. Must exist in the system.

currentStatus - The status the caller to this API thinks the job currently has

newStatus - The new status the caller would like to update the status to

newStatusMessage - An optional status message to associate with this change