Package com.evolveum.midpoint.repo.common.activity.run.distribution

Class WorkersReconciliation

java.lang.Object

com.evolveum.midpoint.repo.common.activity.run.distribution.WorkersReconciliation

public class WorkersReconciliation
extends Object

Executes the workers reconciliation. This includes 1. auto-reconciliation when distributed activity starts, 2. explicitly requested reconciliation (e.g. via GUI), 3. reconciliation during auto-scaling. The reconciliation process tries to match worker tasks with the "to be" state (driven by configured distribution plus current cluster state). For details please see execute(OperationResult) method.

Constructor Summary

Constructors

Constructor	Description
WorkersReconciliation(@NotNull Task rootTask, @NotNull Task coordinatorTask, @NotNull ActivityPath activityPath, WorkersReconciliationOptions options, @NotNull CommonTaskBeans beans)

Method Summary

Modifier and Type	Method	Description
@NotNull WorkersReconciliationResultType	execute(OperationResult parentResult)	Executes the workers reconciliation.
@NotNull List<Task>	getCurrentWorkers(OperationResult result)

Methods inherited from class java.lang.Object

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

Constructor Detail

WorkersReconciliation

public WorkersReconciliation(@NotNull
                             @NotNull Task rootTask,
                             @NotNull
                             @NotNull Task coordinatorTask,
                             @NotNull
                             @NotNull ActivityPath activityPath,
                             WorkersReconciliationOptions options,
                             @NotNull
                             @NotNull CommonTaskBeans beans)

Method Detail

execute

@NotNull
public @NotNull WorkersReconciliationResultType execute(OperationResult parentResult)
                                                 throws SchemaException,
                                                        ObjectNotFoundException,
                                                        ObjectAlreadyExistsException,
                                                        ConfigurationException

Executes the workers reconciliation. The simple part where tasks are on the correct nodes: 1. workers that match "to be" state (i.e. they have appropriate group + name + scavenger flag) are *accepted* - see skipMatchingWorkers(); 2. workers that are compatible (matching group + scavenger flag) but with not matching name are simply *renamed*, see renameCompatibleWorkers(OperationResult); 3. workers that are in correct group (but otherwise wrong) are *adapted* by renaming and setting scavenger flag, see adaptGroupCompatibleWorkers(OperationResult); At this moment, we have to start reconciling workers among nodes. TODO finish the description

Throws:

SchemaException

ObjectNotFoundException

ObjectAlreadyExistsException

ConfigurationException

getCurrentWorkers

@NotNull
public @NotNull List<Task> getCurrentWorkers(OperationResult result)
                                      throws SchemaException

Throws:

SchemaException