Package org.apache.drill.exec.server.options
package org.apache.drill.exec.server.options
-
ClassDescriptionThis
OptionManagerimplements some the basic methods and should be extended by concrete implementations.AnOptionManagerwhich allows for falling back onto anotherOptionManagerwhen retrieving options.OptionManagerthat holds options withinFragmentContextImpl.This is anOptionManagerthat holds options in memory rather than in a persistent store.This holds all the information about an option.Manager for Drilloptions.Contains information about the scopes in which an option can be set, and an option's visibility.Immutable set of options accessible by name or validator.Validates the values provided to Drill options.Anoption valueis used internally by anOptionManagerto store a run-time setting.Defines where an option can be configured.This defines where an option was actually configured.This represents a persistedOptionValue.This deserializer only fetches the relevant information we care about from a store, which is the value of an option.OptionManagerthat holds options withinQueryContext.OptionManagerthat holds options withinUserSessioncontext.OptionManagerthat holds options withinDrillbitContext.Unless explicitly changed by the user previously, the admin user groups can only be determined at runtimeUnless explicitly changed by the user previously, the admin user can only be determined at runtimeValidator that checks if the given DateTime format template is valid.Validator that checks if the given value is included in a list of acceptable values.Max width is a special validator which computes and validates the maxwidth.