Package org.osgi.resource
Interface Requirement
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- All Known Subinterfaces:
BundleRequirement
@ConsumerType public interface Requirement
A requirement that has been declared from aResource
.Instances of this type must be effectively immutable. That is, for a given instance of this interface, the methods defined by this interface must always return the same result.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description boolean
equals(Object obj)
Compares thisRequirement
to anotherRequirement
.Map<String,Object>
getAttributes()
Returns the attributes of this requirement.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.int
hashCode()
Returns the hashCode of thisRequirement
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Method Detail
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getNamespace
String getNamespace()
Returns the namespace of this requirement.- Returns:
- The namespace of this requirement.
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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.
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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.
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getResource
Resource getResource()
Returns the resource declaring this requirement.- Returns:
- The resource declaring this requirement. This can be
null
if this requirement is synthesized.
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equals
boolean equals(Object obj)
Compares thisRequirement
to anotherRequirement
.This
Requirement
is equal to anotherRequirement
if they have the same namespace, directives and attributes and are declared by the same resource.
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