AccessGrid.NetworkServicesManager.NetworkServiceMatcher

Package AccessGrid :: Module NetworkServicesManager :: Class NetworkServiceMatcher

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Class NetworkServiceMatcher

A class for finding the best chain of network services to resolve streams that do not match capabilities of a node.

Method Summary
	`__init__(self)`
	`Match(self, streams, capabilities, services)` Finds network services that can resolve mismatches between a set of streams and the node capabilities.
	`__MatchInCapabilities(self, stream, services)` For a given stream, find network services that have matching in capabilities.
	`__MatchOutCapabilities(self, services, capabilities)` For given services, find all services that have out capabilities that matches the capabilities of a node.

Method Details

Finds network services that can resolve mismatches between a set of streams and the node capabilities.

** Arguments **

* streams * Streams we want to match

* capabilities * A set of capabilities describing a node.

* services * A list of available network services.

** Returns **

* streamServiceList* A list containing tuple objects ([stream],[service]) that associates a set of streams with a chain of network services.

For a given stream, find network services that have matching in capabilities.

** Arguments **

* stream * Stream we want to match against. * services * A list of network services.

** Returns **

*matchingServices* includes all matching services for a stream.

For given services, find all services that have out capabilities that matches the capabilities of a node.

** Arguments **

*services* A list of network services.

*capabilities* A set of capabilities describing a node.

** Returns **

* matchingServices * A list of network services with matching out capability.

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