Class UniversalDirective

java.lang.Object

org.microbean.construct.element.UniversalDirective

All Implemented Interfaces:

ModuleElement.Directive, ModuleElement.ExportsDirective, ModuleElement.OpensDirective, ModuleElement.ProvidesDirective, ModuleElement.RequiresDirective, ModuleElement.UsesDirective

public final class UniversalDirective
extends Object
implements ModuleElement.ExportsDirective, ModuleElement.OpensDirective, ModuleElement.ProvidesDirective, ModuleElement.RequiresDirective, ModuleElement.UsesDirective

A ModuleElement.Directive implementation.

Author:

Laird Nelson

See Also:

• ModuleElement.Directive.getKind()

Constructor Summary

Constructors

Constructor	Description
UniversalDirective(ModuleElement.Directive delegate, Domain domain)	Creates a new UniversalDirective.

Method Summary

Modifier and Type	Method	Description
final <R,P> R	accept(ModuleElement.DirectiveVisitor<R,P> v, P p)
final ModuleElement.Directive	delegate()	Returns the delegate to which operations are delegated.
final boolean	equals(Object other)
final UniversalElement	getDependency()
final List<? extends UniversalElement>	getImplementations()
final ModuleElement.DirectiveKind	getKind()
final UniversalElement	getPackage()
final UniversalElement	getService()
final List<? extends UniversalElement>	getTargetModules()
final int	hashCode()
final boolean	isStatic()
final boolean	isTransitive()
static final List<? extends UniversalDirective>	of(Collection<? extends ModuleElement.Directive> es, Domain domain)	Returns a non-null, immutable List of UniversalDirectives whose elements wrap the supplied List's elements.
static final UniversalDirective	of(ModuleElement.Directive d, Domain domain)	Returns a UniversalDirective that is either the supplied ModuleElement.Directive (if it itself is null or is a UniversalDirective) or one that wraps it.
final String	toString()
static final <T extends ModuleElement.Directive> T	unwrap(T t)	Unwraps the supplied ModuleElement.Directive implementation such that the returned value is not an instance of UniversalDirective.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

UniversalDirective

public UniversalDirective(ModuleElement.Directive delegate,
 Domain domain)

Creates a new UniversalDirective.

Parameters:

delegate - a ModuleElement.Directive to which operations will be delegated; must not be null

domain - a Domain from which the supplied delegate is presumed to have originated; must not be null

Throws:

NullPointerException - if either argument is null

Method Details

accept

public final <R,P> R accept(ModuleElement.DirectiveVisitor<R,P> v,
 P p)

Specified by:

accept in interface ModuleElement.Directive

delegate

public final ModuleElement.Directive delegate()

Returns the delegate to which operations are delegated.

Returns:

a non-null delegate

See Also:

• ModuleElement.Directive

equals

public final boolean equals(Object other)

Overrides:

equals in class Object

getDependency

public final UniversalElement getDependency()

Specified by:

getDependency in interface ModuleElement.RequiresDirective

getImplementations

public final List<? extends UniversalElement> getImplementations()

Specified by:

getImplementations in interface ModuleElement.ProvidesDirective

getKind

public final ModuleElement.DirectiveKind getKind()

Specified by:

getKind in interface ModuleElement.Directive

getPackage

public final UniversalElement getPackage()

Specified by:

getPackage in interface ModuleElement.ExportsDirective

Specified by:

getPackage in interface ModuleElement.OpensDirective

getService

public final UniversalElement getService()

Specified by:

getService in interface ModuleElement.ProvidesDirective

Specified by:

getService in interface ModuleElement.UsesDirective

getTargetModules

public final List<? extends UniversalElement> getTargetModules()

Specified by:

getTargetModules in interface ModuleElement.ExportsDirective

Specified by:

getTargetModules in interface ModuleElement.OpensDirective

hashCode

public final int hashCode()

Overrides:

hashCode in class Object

isStatic

public final boolean isStatic()

Specified by:

isStatic in interface ModuleElement.RequiresDirective

isTransitive

public final boolean isTransitive()

Specified by:

isTransitive in interface ModuleElement.RequiresDirective

toString

public final String toString()

Overrides:

toString in class Object

of

public static final UniversalDirective of(ModuleElement.Directive d,
 Domain domain)

Returns a UniversalDirective that is either the supplied ModuleElement.Directive (if it itself is null or is a UniversalDirective) or one that wraps it.

Parameters:

d - an ModuleElement.Directive; may be null in which case null will be returned

domain - a Domain; must not be null

Returns:

a UniversalDirective, or null (if e is null)

Throws:

NullPointerException - if domain is null

See Also:

• UniversalDirective(Directive, Domain)

of

public static final List<? extends UniversalDirective> of(Collection<? extends ModuleElement.Directive> es,
 Domain domain)

Returns a non-null, immutable List of UniversalDirectives whose elements wrap the supplied List's elements.

Parameters:

es - a Collection of ModuleElement.Directives; must not be null

domain - a Domain; must not be null

Returns:

a non-null, immutable List of UniversalDirectives

Throws:

NullPointerException - if either argument is null

unwrap

public static final <T extends ModuleElement.Directive>
T unwrap(T t)

Unwraps the supplied ModuleElement.Directive implementation such that the returned value is not an instance of UniversalDirective.

Type Parameters:

T - a ModuleElement.Directive subtype

Parameters:

t - a ModuleElement.Directive; may be null

Returns:

an object of the appropriate type that is guaranteed not to be an instance of UniversalDirective

See Also:

• delegate()