Package ptolemy.actor.util

Actor utilities.

Since:

Ptolemy II 0.2

Interface Summary

Interface	Description
CausalityInterface	This interface defines a causality interfaces for actor networks as described in the paper "Causality Interfaces for Actor Networks" by Ye Zhou and Edward A.
CQComparator	This interface extends the java.util.Comparator interface, which defines the compare() method.
Dependency	This interface provides a dependency for causality interfaces as described in the paper "Causality Interfaces for Actor Networks" by Ye Zhou and Edward A.
ExplicitChangeContext	An entity that implements an explicit change context declares a change context, in which parameters are modified.
PeriodicDirector	Interface for directors that have a period parameter.

Class Summary

Class	Description
ActorDependencies	Utilities for data dependencies between actors.
ActorTypeUtil	This class includes a number of utility methods and classes that simplify the generation of type constraints.
ArrayElementTypeFunction	This class implements a monotonic function that returns the element type of its argument, if the argument is an array type.
ArrayOfTypesFunction	This class implements a monotonic function that returns an array type with the element type equal to its argument.
BooleanDependency	This dependency represents causal relationships that are either present or not.
BreakCausalityInterface	This class provides a causality interface where no output port depends on any input port.
CalendarQueue	This class implements a fast priority queue.
CausalityInterfaceForComposites	This class elaborates its base class by providing an algorithm for inferring the causality interface of a composite actor from the causality interfaces of its component actors and their interconnection topology.
ConstructAssociativeType	A function that, given a list of ports, returns a StructuredType of which the fields names and field types correspond with the given ports.
ConstVariableModelAnalysis	An analysis that traverses a model to determine all the constant variables in a hierarchical model.
DefaultCausalityInterface	This class provides causality interfaces for actor networks as described in the paper "Causality Interfaces for Actor Networks" by Ye Zhou and Edward A.
DependencyDeclaration	An instance of DependencyDeclaration is an attribute that declares variable dependence information of a parameter.
DFUtilities	This class factors code out of the SDF domain, for use in different schedulers, so that they can be implemented in a consistent fashion.
DFUtilities.NamedObjComparator	A comparator for named objects.
ExtractFieldType	A partial monotonic function of the given port that returns a type associated with the given field name, to be found in the type definition of the port.
FIFOQueue	A first-in, first-out (FIFO) queue with variable capacity and optional history.
FreeVariableModelAnalysis	An analysis that traverses a model to determine all the free variables in a hierarchical model.
FuzzyDoubleComparator	Deprecated. As Ptolemy II 4.1, use GeneralComparator instead.
GeneralComparator	This class compares two comparable objects, object_1 and object_2, by calling compare(object_1, object_2).
GLBFunction	This class implements a monotonic function that returns the greatest lower bound (GLB) of its arguments.
PeriodicDirectorHelper	This is a helper class for directors implementing PeriodicDirector.
RealDependency	This dependency represents causal relationships that have a real value or are infinite.
SuperdenseDependency	This dependency represents causal relationships that have a real value and a superdense time index.
SuperdenseTime	This class defines the structure of superdense time used in domains having time involved in computation.
Time	An object of the Time class represents time in a model.
TimedEvent	This class aggregates an instance of Time and an Object, and provides a CQComparator as an inner class.
TimedEvent.TimeComparator	This class implements the CQComparator interface.
TotallyOrderedSet	An object of this class is a totally ordered set with an increasing order.