net.sf.tweety.action.description

Class CActionDescription

java.lang.Object

net.sf.tweety.commons.BeliefSet<T>

net.sf.tweety.action.ActionDescription<CLaw>

net.sf.tweety.action.description.CActionDescription

All Implemented Interfaces:

java.lang.Iterable<CLaw>, java.util.Collection<CLaw>, BeliefBase

public class CActionDescription
extends ActionDescription<CLaw>

This class represents an action description for the action language C as a set of causal rules, and provides some basic functionality such as grounding.

Author:

Sebastian Homann

Constructor Summary

Constructors

Constructor and Description
CActionDescription() Creates a new empty action description.
CActionDescription(java.util.Collection<? extends CausalLaw> c) Creates a new belief set with the given collection of formulae.

Method Summary

Modifier and Type	Method and Description
java.util.Set<DynamicLaw>	getDynamicLaws() Returns a set of all dynamic laws contained in this action description.
Signature	getSignature() Returns the signature of the language of this knowledge base.
java.util.Set<StaticLaw>	getStaticLaws() Returns a set of all static laws contained in this action description.
CActionDescription	ground() Calculates a new action description containing all ground instances of each law in this action description.
boolean	isDefinite() Checks whether this action description contains any non-definite laws.
boolean	isGround() Checks whether this action description contains any non-ground laws.
CActionDescription	toDefinite() Calculates a new action description which descibes the same transition system and contains only definite causal laws.
java.lang.String	toOutputString() Returns a string representation of this action description in human readable form, which may be written to a file or printed on screen.

Methods inherited from class net.sf.tweety.commons.BeliefSet

add, addAll, clear, contains, containsAll, equals, hashCode, instantiateSet, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, removeIf, spliterator, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

CActionDescription

public CActionDescription()

Creates a new empty action description.

CActionDescription

public CActionDescription(java.util.Collection<? extends CausalLaw> c)

Creates a new belief set with the given collection of formulae.

Parameters:

c - a collection of formulae.

Method Detail

getSignature

public Signature getSignature()

Description copied from interface: BeliefBase

Returns the signature of the language of this knowledge base.

Specified by:

getSignature in interface BeliefBase

Specified by:

getSignature in class BeliefSet<CLaw>

Returns:

the signature of the language of this knowledge base.

ground

public CActionDescription ground()

Calculates a new action description containing all ground instances of each law in this action description.

Returns:

a new action description containing only ground laws.

toDefinite

public CActionDescription toDefinite()
                              throws java.lang.IllegalStateException

Calculates a new action description which descibes the same transition system and contains only definite causal laws.

Returns:

a new definite action description.

Throws:

java.lang.IllegalStateException - when there is no equivalent definite action description

isGround

public boolean isGround()

Checks whether this action description contains any non-ground laws.

Returns:

true iff each law in this action description is grounded.

isDefinite

public boolean isDefinite()

Checks whether this action description contains any non-definite laws.

Returns:

ture iff each law in this action description is definite.

getStaticLaws

public java.util.Set<StaticLaw> getStaticLaws()

Returns a set of all static laws contained in this action description.

Returns:

a set of all static laws contained in this action description.

getDynamicLaws

public java.util.Set<DynamicLaw> getDynamicLaws()

Returns a set of all dynamic laws contained in this action description.

Returns:

a set of all dynamic laws contained in this action description.

toOutputString

public java.lang.String toOutputString()

Returns a string representation of this action description in human readable form, which may be written to a file or printed on screen.

Returns:

a string representation of this action description.