OptionUpdateRule

public final enum OptionUpdateRule
extends Enum<OptionUpdateRule>

java.lang.Object
↳	java.lang.Enum<com.android.tradefed.config.OptionUpdateRule>
	↳	com.android.tradefed.config.OptionUpdateRule

Controls the behavior when an option is specified multiple times. Note that this enum assumes that the values to be set are not ERROR(/Collection)s or ERROR(/Map)s.

Summary

Enum values
`OptionUpdateRule`	`FIRST` once an option is set, subsequent attempts to update it should be ignored.
`OptionUpdateRule`	`GREATEST` for `Comparable` options, keep the one that compares as the greatest.
`OptionUpdateRule`	`IMMUTABLE` throw a `ConfigurationException` if this option is set more than once.
`OptionUpdateRule`	`LAST` if an option is set multiple times, ignore all but the last value.
`OptionUpdateRule`	`LEAST` for `Comparable` options, keep the one that compares as the least.

Public methods
`boolean`	`shouldUpdate(String optionName, Object optionSource, Field field, Object update)` Takes the current value and the update value, and returns whether the value should be updated.
`static OptionUpdateRule`	`valueOf(String name)`
`static final OptionUpdateRule[]`	`values()`

Enum values

FIRST

public static final OptionUpdateRule FIRST

once an option is set, subsequent attempts to update it should be ignored.

GREATEST

public static final OptionUpdateRule GREATEST

for Comparable options, keep the one that compares as the greatest.

IMMUTABLE

public static final OptionUpdateRule IMMUTABLE

throw a ConfigurationException if this option is set more than once.

LAST

public static final OptionUpdateRule LAST

if an option is set multiple times, ignore all but the last value.

LEAST

public static final OptionUpdateRule LEAST

for Comparable options, keep the one that compares as the least.

Public methods

shouldUpdate

public boolean shouldUpdate (String optionName, 
                Object optionSource, 
                Field field, 
                Object update)

Takes the current value and the update value, and returns whether the value should be updated. Assumes that update is never null.

Parameters
`optionName`	`String`
`optionSource`	`Object`
`field`	`Field`
`update`	`Object`

Returns
`boolean`

Throws
`ConfigurationException`

valueOf

public static OptionUpdateRule valueOf (String name)

Parameters
`name`	`String`

Returns
`OptionUpdateRule`

values

public static final OptionUpdateRule[] values ()

Returns
`OptionUpdateRule[]`