org.apache.ignite.internal.commandline.argument

Class CommandArgUtils

java.lang.Object

org.apache.ignite.internal.commandline.argument.CommandArgUtils

public class CommandArgUtils
extends Object

Utility class for control.sh arguments.

Method Summary

Modifier and Type	Method and Description
static <T> T	failIfNull(T val, String errorMsg) Returns provided value if it's not null otherwise throws IllegalArgumentException with specified message
static <E extends Enum<E> & CommandArg> E	of(String text, Class<E> enumClass) Deprecated. name of() is too abstract, consider using ofArg(Class, String)
static <E extends Enum<E> & CommandArg> E	ofArg(Class<E> enumClass, @NotNull String text) Same as of(String, Class) but name that more clearly reflects its purpose
static <E extends Enum<E>> E	ofEnum(Class<E> enumClass, @NotNull String text) Tries convert text to one of values enumClass.
static <C extends Collection<String>> C	validateCachesArgument(C caches, String operation) Checks that provided cache list doesn't include illegal values (like internal utility cache)

Methods inherited from class java.lang.Object

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

Method Detail

of

@Deprecated
 @Nullable
public static <E extends Enum<E> & CommandArg> E of(String text,
                                                                           Class<E> enumClass)

Deprecated. name of() is too abstract, consider using ofArg(Class, String)

Tries convert text to one of values enumClass.

Type Parameters:

E - command argument type, must extend CommandArg

Parameters:

text - Input text.

enumClass - CommandArg enum class, which values will be used for lookup

Returns:

Converted argument or null if convert failed.

ofArg

@Nullable
public static <E extends Enum<E> & CommandArg> E ofArg(Class<E> enumClass,
                                                                 @NotNull
                                                                 @NotNull String text)

Same as of(String, Class) but name that more clearly reflects its purpose

ofEnum

@Nullable
public static <E extends Enum<E>> E ofEnum(Class<E> enumClass,
                                                     @NotNull
                                                     @NotNull String text)

Tries convert text to one of values enumClass.

Type Parameters:

E - command argument type, must extend CommandArg

Parameters:

text - Input text.

enumClass - CommandArg enum class, which values will be used for lookup

Returns:

Converted argument or null if convert failed.

failIfNull

@NotNull
public static <T> T failIfNull(@Nullable
                                        T val,
                                        String errorMsg)
                                 throws IllegalArgumentException

Returns provided value if it's not null otherwise throws IllegalArgumentException with specified message

Throws:

IllegalArgumentException

validateCachesArgument

public static <C extends Collection<String>> C validateCachesArgument(C caches,
                                                                      String operation)

Checks that provided cache list doesn't include illegal values (like internal utility cache)