Package cdc.util.cli

Class FeatureMask<E extends Enum<E>>

java.lang.Object

cdc.util.cli.FeatureMask<E>

Type Parameters:

E - The feature enum type.

public final class FeatureMask<E extends Enum<E>>
extends Object

Utility to handle features.

Author:

Damien Carbonne

Constructor Summary

Constructors

Constructor	Description
FeatureMask()

Method Summary

Modifier and Type	Method	Description
void	add(E feature)
void	addAll(E... features)
boolean	checkAtMostOne(org.apache.logging.log4j.Logger logger, FailureReaction reaction, E... features)	Check that at most one feature is enabled in a group of features.
boolean	checkExactlyOne(org.apache.logging.log4j.Logger logger, FailureReaction reaction, E... features)	Check that exactly one feature is enabled in a group of features.
boolean	contains(E feature)
boolean	isEmpty()
boolean	isEnabled(E feature)
void	remove(E feature)
void	setEnabled(E feature, boolean enabled)
List<E>	toList()
Set<E>	toSet()

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureMask

public FeatureMask()

Method Detail

setEnabled

public final void setEnabled(E feature,
                             boolean enabled)

add

public final void add(E feature)

addAll

@SafeVarargs
public final void addAll(E... features)

remove

public final void remove(E feature)

isEnabled

public final boolean isEnabled(E feature)

isEmpty

public boolean isEmpty()

contains

public final boolean contains(E feature)

toSet

public final Set<E> toSet()

toList

public final List<E> toList()

checkAtMostOne

@SafeVarargs
public final boolean checkAtMostOne(org.apache.logging.log4j.Logger logger,
                                    FailureReaction reaction,
                                    E... features)

Check that at most one feature is enabled in a group of features.

Parameters:

logger - The logger to use.

reaction - The reaction to adopt in case of failure.

features - The features.

Returns:

true if at most one feature among features is enabled in this FeatureMask.

checkExactlyOne

@SafeVarargs
public final boolean checkExactlyOne(org.apache.logging.log4j.Logger logger,
                                     FailureReaction reaction,
                                     E... features)

Check that exactly one feature is enabled in a group of features.

Parameters:

logger - The logger to use.

reaction - The reaction to adopt in case of failure.

features - The features.

Returns:

true if exactly one feature among features is enabled in this FeatureMask.