/**
* Returns if the classifier of the class is equal to the classifier given as a parameter.
*
* @param cl is a classifier.
* @return a boolean indicating if they are equals.
*/
public boolean equals(Classifier cl) {
try {
if (rep.getAction() != cl.rep.getAction()) return false;
return rep.equals(cl.rep);
} catch (Exception e) {
return false;
}
} // end equals
/**
* Returns if the classifier of the class subsumes the classifier passed as a parameter.
*
* @param cl is the subsumed classifier.
* @return a boolean indicating if it subsumes
*/
public boolean doesSubsume(Classifier cl) {
if (rep.getAction() != cl.rep.getAction()) return false;
if (parameters.couldSubsume()) {
if (rep.isMoreGeneral(cl.rep)) {
return true;
}
}
return false;
} // end doesSubsume
/**
* Indicate if the current representation is more general than the representation passed as a
* parameter.
*
* @param r is the representation to which the current representation is compared.
* @return a boolean indicating if the current representation is more general.
*/
public boolean isMoreGeneral(Representation r) {
boolean ret = false;
// We need to check the condition for the "insertInPSubsumingCl
if (action != r.action) return false;
if (numberOfDontCareSymbols() >= r.numberOfDontCareSymbols()) {
for (int i = 0; i < rep.length; i++) {
if (!rep[i].isMoreGeneral(r.rep[i])) return false;
}
return true;
}
return false;
}
/**
* It draws the population to a file. A character allele is drawn as 1 o 0. Otherwise, a real
* allele is drawn in ten points, which represent the interval [0..1] divided in ten fragments. In
* each fragment, there can be three types of symbols: . --> The fragment is not covered by the
* classifier. o --> The fragment is partially covered by the classifier. O --> The fragment is
* totally covered by the classifier.
*
* <p>This notation has been got from Wilson2000 XCSR
*
* @param fout is the file where the population has to be drawn.
*/
public void draw(PrintWriter fout) {
rep.draw(fout);
} // end draw
/**
* Prints the desnormalized classifier to the specified file.
*
* @param fout is the file output where the classifier has to be printed.
*/
public void printNotNorm(PrintWriter fout) {
rep.printNotNorm(fout);
if (parameters != null) parameters.print(fout);
}
/** Prints the classifier. */
public void print() {
rep.print();
if (parameters != null) parameters.print();
}
/**
* Indicates if the classifier is more general than the classifier passed as a parameter.
*
* @param cl is the classifier to which the current classifier is compared.
* @return a boolean indicating if the current classifier is more general
*/
public boolean isMoreGeneral(Classifier cl) {
return rep.isMoreGeneral(cl.rep);
}
/**
* Returns the number of don't care symbols in the classifier. It is used by the action set
* subsumption
*
* @return a double with the number of don't care symbols.
*/
public double numberOfDontCareSymbols() {
return rep.numberOfDontCareSymbols();
}
/**
* Changes all the don't care symbols by the state in the environment, with Pspecify probability
*
* @param env is the environment.
*/
public void makeSpecify(double[] env) {
rep.makeSpecify(env);
}
/**
* Indicates if the classifier matches with the environmental state
*
* @param envState is the environment state
* @return a boolean indicating if the classifier matches.
*/
public boolean match(double[] envState) {
return rep.match(envState);
} // end match
/**
* Sets the action passed to the classifier
*
* @param act is the action to be set.
*/
public void setAction(int act) {
rep.setAction(act);
} // end setAction
/**
* Returns the action of the classifier
*
* @return an integer with the action of the classifier
*/
public int getAction() {
return rep.getAction();
} // end getAction
/**
* sets the allele value
*
* @param i is the position.
* @param cl is the classifier that has to be copied.
*/
public void setAllele(int i, Classifier cl) {
rep.setAllele(i, cl.rep);
} // end setAllele
/**
* Sets the allele value
*
* @param i is the position.
* @param lowerValue is the lower value that has to be set.
* @param upperValue is the upper value that has to be set.
*/
public void setAllele(int i, double lowerValue, double upperValue) {
rep.setAllele(i, lowerValue, upperValue);
} // end setAllele
/**
* It crosses a real allele within two parents. If the representation is a ternary representation,
* a crossover within intervals is not possible because there is only one gene in each position.
* So, in this case, the gene of the second parent will be copied. In case of being a real
* representation, a random number is generated to decide where to cross the interval. It it's
* crossed within the inteval, the crossAllele method will do it.
*
* @param parent1 is the first parent classifier.
* @param parent2 is the second parent classifier.
*/
public void crossAllele(int i, Classifier parent1, Classifier parent2) {
rep.crossAllele(i, parent1.rep, parent2.rep);
} // end crossAllele
/**
* It constructs a classifier with the condition and the action specified. It's used by the
* covering operator.
*
* <p>
*
* @param condition is the environtment state
* @param action is the action chosen
* @param size is the size of the set.
* @param tStamp is the time
*/
public Classifier(double[] condition, int action, int size, int tStamp) {
rep = new Representation(condition, action);
parameters = new Parameters(tStamp, size, rep.getGenerality());
} // end Classifier
/**
* Computes the generality of the classifier. Its result is stored in the generality parameter.
*/
public void calculateGenerality() {
parameters.setGenerality(rep.getGenerality());
} // end calculateGenerality
/**
* Mutates the classifier. It mutates the action and the condition.
*
* @param envState is the current environtment state. It is necessary for the niched mutation.
* @return a boolean indicating if the action has been mutated.
*/
public boolean mutate(double[] envState) {
return rep.mutate(envState);
} // end mutate