Requirement (A Swiss Army Knife for OSGi 2.3.0 API)

All Known Implementing Classes:

PersistentResource.RC, RequirementImpl
```
public interface Requirement
```
A requirement that has been declared from a Resource .
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.

Version:

$Id: 212b26179910f98fd2c59c3e1e7dd0d086f42b5d $

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`equals(Object obj)` Compares this `Requirement` to another `Requirement`.
`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 this `Requirement`.

- 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.
  - 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.
  - getResource
```
Resource getResource()
```
    Returns the resource declaring this requirement.
    
    Returns:
    The resource declaring this requirement. This can be null if this requirement is synthesized.
  - equals
```
boolean equals(Object obj)
```
    Compares this Requirement to another Requirement.
    This Requirement is equal to another Requirement if they have the same namespace, directives and attributes and are declared by the same resource.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    obj - The object to compare against this Requirement.
    
    Returns:
    true if this Requirement is equal to the other object; false otherwise.
  - hashCode
```
int hashCode()
```
    Returns the hashCode of this Requirement.
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    The hashCode of this Requirement.

Interface Requirement

Method Summary

Method Detail

getNamespace

getDirectives

getAttributes

getResource

equals

hashCode