Package com.yahoo.vespa.model.application.validation.change

Interface ChangeValidator

All Known Implementing Classes:

ClusterSizeReductionValidator, ConfigValueChangeValidator, ContainerRestartValidator, ContentClusterRemovalValidator, ContentTypeRemovalValidator, GlobalDocumentChangeValidator, IndexedSearchClusterChangeValidator, IndexingModeChangeValidator, ResourcesReductionValidator, StartupCommandChangeValidator, StreamingSearchClusterChangeValidator

public interface ChangeValidator

Interface for validating changes between a current active and next config model.

Since:

2014-11-18

Author:

geirst

Method Summary

Modifier and Type	Method	Description
java.util.List<com.yahoo.config.model.api.ConfigChangeAction>	validate(VespaModel current, VespaModel next, com.yahoo.config.application.api.ValidationOverrides overrides, java.time.Instant now)	Validates the current active vespa model with the next model.

Method Detail

validate

java.util.List<com.yahoo.config.model.api.ConfigChangeAction> validate(VespaModel current,
                                                                       VespaModel next,
                                                                       com.yahoo.config.application.api.ValidationOverrides overrides,
                                                                       java.time.Instant now)

Validates the current active vespa model with the next model. Both current and next should be non-null.

Parameters:

current - the current active model

next - the next model we would like to activate

overrides - validation overrides

now - the instant to use as now

Returns:

a list of actions specifying what needs to be done in order to activate the new model. Return an empty list if nothing needs to be done