org.jboss.gravia.resource

Interface Requirement

All Superinterfaces:

Adaptable

All Known Implementing Classes:

AbstractRequirement, DefaultRequirement

public interface Requirement
extends Adaptable

A resource requirement.

Since:

02-Jul-2010

Author:

thomas.diesler@jboss.com

Method Summary

Methods

Modifier and Type	Method and Description
Object	getAttribute(String key) Get the value of the given attribute
Map<String,Object>	getAttributes() Returns the attributes of this requirement.
String	getDirective(String key) Get the value of the given directive
Map<String,String>	getDirectives() Returns the directives of this requirement.
String	getNamespace() Returns the namespace of this requirement.
Resource	getResource() Returns the resource declaring this requirement.
boolean	isOptional() A flag indicating that this is an optional requirement.

Methods inherited from interface org.jboss.gravia.resource.Adaptable

adapt

Method Detail

getNamespace

String getNamespace()

Returns the namespace of this requirement.

Returns:

The namespace of this requirement.

getDirectives

Map<String,String> getDirectives()

Returns the directives of this requirement.

Returns:

An unmodifiable map of directive names to directive values for this requirement, or an empty map if this requirement has no directives.

getDirective

String getDirective(String key)

Get the value of the given directive

Returns:

null if no such directive is associated with this requirement

getAttributes

Map<String,Object> getAttributes()

Returns the attributes of this requirement.

Requirement attributes have no specified semantics and are considered extra user defined information.

Returns:

An unmodifiable map of attribute names to attribute values for this requirement, or an empty map if this requirement has no attributes.

getAttribute

Object getAttribute(String key)

Get the value of the given attribute

Returns:

null if no such attribute is associated with this requirement

isOptional

boolean isOptional()

A flag indicating that this is an optional requirement.

getResource

Resource getResource()

Returns the resource declaring this requirement.

Returns:

The resource declaring this requirement. This can be null if this requirement is synthesized.