/**
* retrieves the data from the given Capabilities object
*
* @param c the capabilities object to initialize with
*/
public void assign(Capabilities c) {
for (Capability cap : Capability.values()) {
// capability
if (c.handles(cap)) enable(cap);
else disable(cap);
// dependency
if (c.hasDependency(cap)) enableDependency(cap);
else disableDependency(cap);
}
setMinimumNumberInstances(c.getMinimumNumberInstances());
}
/**
* performs an OR conjunction with the capabilities of the given Capabilities object and updates
* itself
*
* @param c the capabilities to OR with
*/
public void or(Capabilities c) {
for (Capability cap : Capability.values()) {
// capability
if (handles(cap) || c.handles(cap)) m_Capabilities.add(cap);
else m_Capabilities.remove(cap);
// dependency
if (hasDependency(cap) || c.hasDependency(cap)) m_Dependencies.add(cap);
else m_Dependencies.remove(cap);
}
if (c.getMinimumNumberInstances() < getMinimumNumberInstances())
setMinimumNumberInstances(c.getMinimumNumberInstances());
}
/**
* Returns true if the currently set capabilities support (or have a dependency) at least all of
* the capabilities of the given Capabilities object (checks only the enum!)
*
* @param c the capabilities (or dependencies) to support at least
* @return true if all the requested capabilities are supported (or at least have a dependency)
*/
public boolean supportsMaybe(Capabilities c) {
boolean result;
result = true;
for (Capability cap : Capability.values()) {
if (c.handles(cap) && !(handles(cap) || hasDependency(cap))) {
result = false;
break;
}
}
return result;
}
/**
* Returns true if the currently set capabilities support at least all of the capabiliites of the
* given Capabilities object (checks only the enum!)
*
* @param c the capabilities to support at least
* @return true if all the requested capabilities are supported
*/
public boolean supports(Capabilities c) {
boolean result;
result = true;
for (Capability cap : Capability.values()) {
if (c.handles(cap) && !handles(cap)) {
result = false;
break;
}
}
return result;
}
/**
* performs an AND conjunction with the capabilities of the given Capabilities object and updates
* itself
*
* @param c the capabilities to AND with
*/
public void and(Capabilities c) {
for (Capability cap : Capability.values()) {
// capability
if (handles(cap) && c.handles(cap)) m_Capabilities.add(cap);
else m_Capabilities.remove(cap);
// dependency
if (hasDependency(cap) && c.hasDependency(cap)) m_Dependencies.add(cap);
else m_Dependencies.remove(cap);
}
// minimum number of instances that both handlers need at least to work
if (c.getMinimumNumberInstances() > getMinimumNumberInstances())
setMinimumNumberInstances(c.getMinimumNumberInstances());
}
/**
* Returns default capabilities of the classifier.
*
* @return the capabilities of this classifier
*/
public Capabilities getCapabilities() {
Capabilities result = getKernel().getCapabilities();
result.setOwner(this);
// attribute
result.enableAllAttributeDependencies();
// with NominalToBinary we can also handle nominal attributes, but only
// if the kernel can handle numeric attributes
if (result.handles(Capability.NUMERIC_ATTRIBUTES)) result.enable(Capability.NOMINAL_ATTRIBUTES);
result.enable(Capability.MISSING_VALUES);
// class
result.disableAllClasses();
result.disableAllClassDependencies();
result.disable(Capability.NO_CLASS);
result.enable(Capability.NUMERIC_CLASS);
result.enable(Capability.DATE_CLASS);
result.enable(Capability.MISSING_CLASS_VALUES);
return result;
}