def __init__(self, class1, class2, rel_type, splitter=None, tokenizer=None,
parser=None):
self.class1 = class1
self.class2 = class2
if not splitter:
splitter = NLTKSplitter()
if isinstance(splitter, Splitter):
self.splitter = splitter
else:
raise TypeError('not an instance that implements Splitter')
if not tokenizer:
tokenizer = TmVarTokenizer()
if isinstance(tokenizer, Tokenizer):
self.tokenizer = tokenizer
else:
raise TypeError('not an instance that implements Tokenizer')
self.graphs = {}
if not parser:
parser = BllipParser()
if isinstance(parser, Parser):
self.parser = parser
else:
raise TypeError('not an instance that implements Parser')
self.edge_generator = SimpleEdgeGenerator(class1, class2, rel_type)
