def test_get_class(self):
"""
Tests the get_class method.
"""
cls = classes.get_class("weka.classifiers.Classifier")
self.assertIsNotNone(cls)
self.assertEqual("weka.classifiers.Classifier", classes.get_classname(cls))
def deepcopy(obj):
"""
Creates a deep copy of the JavaObject (or derived class) or JB_Object.
:param obj: the object to create a copy of
:type obj: object
:return: the copy, None if failed to copy
:rtype: object
"""
if isinstance(obj, JavaObject):
wrapped = True
jobject = obj.jobject
else:
wrapped = False
jobject = obj
try:
serialized = javabridge.make_instance("weka/core/SerializedObject",
"(Ljava/lang/Object;)V", jobject)
jcopy = javabridge.call(serialized, "getObject",
"()Ljava/lang/Object;")
if wrapped:
jcopy = obj.__class__(jobject=jcopy)
return jcopy
except JavaException as e:
print("Failed to create copy of " + classes.get_classname(obj) + ": " +
str(e))
return None
def test_get_class(self):
"""
Tests the get_class method.
"""
cls = classes.get_class("weka.classifiers.Classifier")
self.assertIsNotNone(cls)
self.assertEqual("weka.classifiers.Classifier", classes.get_classname(cls))
def __str__(self):
"""
Returns a short representation of the actor's setup.
:return: the setup
:rtype: str
"""
return classes.get_classname(self) + ": " + str(self._config)
def __str__(self):
"""
Returns a short representation of the actor's setup.
:return: the setup
:rtype: str
"""
return classes.get_classname(self) + ": " + str(self._config)
def update_finished(self):
"""
Signals the clusterer that updating with new data has finished.
"""
if self.is_updateable:
javabridge.call(self.jobject, "updateFinished", "()V")
else:
logger.critical(classes.get_classname(self.jobject) + " is not updateable!")
def update_finished(self):
"""
Signals the clusterer that updating with new data has finished.
"""
if self.is_updateable:
javabridge.call(self.jobject, "updateFinished", "()V")
else:
logger.critical(classes.get_classname(self.jobject) + " is not updateable!")
def test_get_classname(self):
"""
Tests the get_class method.
"""
# Python class
cls = classes.get_class("weka.classifiers.Classifier")
self.assertIsNotNone(cls)
self.assertEqual("weka.classifiers.Classifier", classes.get_classname(cls))
# Python object
cls = weka.classifiers.Classifier(classname="weka.classifiers.trees.J48")
self.assertIsNotNone(cls)
self.assertEqual("weka.classifiers.Classifier", classes.get_classname(cls))
# Java object
cls = weka.classifiers.Classifier(classname="weka.classifiers.trees.J48")
self.assertIsNotNone(cls)
self.assertEqual("weka.classifiers.trees.J48", classes.get_classname(cls.jobject))
def test_get_classname(self):
"""
Tests the get_class method.
"""
# Python class
cls = classes.get_class("weka.classifiers.Classifier")
self.assertIsNotNone(cls)
self.assertEqual("weka.classifiers.Classifier", classes.get_classname(cls))
# Python object
cls = weka.classifiers.Classifier(classname="weka.classifiers.trees.J48")
self.assertIsNotNone(cls)
self.assertEqual("weka.classifiers.Classifier", classes.get_classname(cls))
# Java object
cls = weka.classifiers.Classifier(classname="weka.classifiers.trees.J48")
self.assertIsNotNone(cls)
self.assertEqual("weka.classifiers.trees.J48", classes.get_classname(cls.jobject))
def make_copy(cls, generator):
"""
Creates a copy of the generator.
:param generator: the generator to copy
:type generator: DataGenerator
:return: the copy of the generator
:rtype: DataGenerator
"""
return from_commandline(
to_commandline(generator), classname=classes.get_classname(DataGenerator()))
def update_clusterer(self, inst):
"""
Updates the clusterer with the instance.
:param inst: the Instance to update the clusterer with
:type inst: Instance
"""
if self.is_updateable:
javabridge.call(self.jobject, "updateClusterer", "(Lweka/core/Instance;)V", inst.jobject)
else:
logger.critical(classes.get_classname(self.jobject) + " is not updateable!")
def update_clusterer(self, inst):
"""
Updates the clusterer with the instance.
:param inst: the Instance to update the clusterer with
:type inst: Instance
"""
if self.is_updateable:
javabridge.call(self.jobject, "updateClusterer", "(Lweka/core/Instance;)V", inst.jobject)
else:
logger.critical(classes.get_classname(self.jobject) + " is not updateable!")
def deepcopy(obj):
"""
Creates a deep copy of the JavaObject (or derived class) or JB_Object.
:param obj: the object to create a copy of
:type obj: object
:return: the copy, None if failed to copy
:rtype: object
"""
if isinstance(obj, JavaObject):
wrapped = True
jobject = obj.jobject
else:
wrapped = False
jobject = obj
try:
serialized = javabridge.make_instance("weka/core/SerializedObject", "(Ljava/lang/Object;)V", jobject)
jcopy = javabridge.call(serialized, "getObject", "()Ljava/lang/Object;")
if wrapped:
jcopy = obj.__class__(jobject=jcopy)
return jcopy
except JavaException, e:
print("Failed to create copy of " + classes.get_classname(obj) + ": " + str(e))
return None
