org.apache.drill.exec.server.options

Class InMemoryOptionManager

java.lang.Object

org.apache.drill.exec.server.options.BaseOptionManager

org.apache.drill.exec.server.options.FallbackOptionManager

org.apache.drill.exec.server.options.InMemoryOptionManager

All Implemented Interfaces:

Iterable<OptionValue>, OptionManager, OptionSet

Direct Known Subclasses:

FragmentOptionManager, QueryOptionManager, SessionOptionManager

public abstract class InMemoryOptionManager
extends FallbackOptionManager

This is an OptionManager that holds options in memory rather than in a persistent store. Options stored in SessionOptionManager, QueryOptionManager, and FragmentOptionManager are held in memory (see options) whereas the SystemOptionManager stores options in a persistent store.

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,OptionValue>	options

Fields inherited from class org.apache.drill.exec.server.options.FallbackOptionManager

fallback

Method Summary

Modifier and Type	Method and Description
void	deleteAllLocalOptions() Deletes all options.
void	deleteLocalOption(String name) Deletes the option.
void	setLocalOptionHelper(OptionValue value)

Methods inherited from class org.apache.drill.exec.server.options.FallbackOptionManager

getOption, getOptionDefinition, getOptionList, iterator

Methods inherited from class org.apache.drill.exec.server.options.BaseOptionManager

getBoolean, getDouble, getInt, getInternalOptionList, getLong, getOption, getOption, getOption, getOption, getPublicOptionList, getScope, getString, setLocalOption, setLocalOption, setLocalOption, setLocalOption, setLocalOption, setLocalOption

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.drill.exec.server.options.OptionSet

getDefault

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

options

protected final Map<String,OptionValue> options

Method Detail

setLocalOptionHelper

public void setLocalOptionHelper(OptionValue value)

Specified by:

setLocalOptionHelper in class BaseOptionManager

deleteAllLocalOptions

public void deleteAllLocalOptions()

Description copied from interface: OptionManager

Deletes all options. If no options are set, calling this method should be no-op.

deleteLocalOption

public void deleteLocalOption(String name)

Description copied from interface: OptionManager

Deletes the option. If the option name is valid (exists in the set of validators produced by SystemOptionManager.createDefaultOptionDefinitions()), but the option was not set within this manager, calling this method should be a no-op.

Parameters:

name - option name