def map(self, key, value):
"""
map a name to the name before and after it
@param key: the first character of a name
@param value: all the names start with the key
"""
namelist = value.strip().split()
namelist.insert(0, '')
namelist.append('')
n = len(namelist)
for i in range(1, n - 1):
self.outputcollector.collect(namelist[i], \
tuple2str((namelist[i-1] ,namelist[i+1])))
def map(self, key, value):
"""
map a name to the name before and after it
@param key: the first character of a name
@param value: all the names start with the key
"""
namelist = value.strip().split()
namelist.insert(0, '')
namelist.append('')
n = len(namelist)
for i in range(1, n - 1):
self.outputcollector.collect(namelist[i], \
tuple2str((namelist[i-1] ,namelist[i+1])))
def reduce(self, key, values):
"""
aggregate the values having the same key.
"""
values_str = tuple2str(tuple(values))
self.outputcollector.collect(key, values_str)
def reduce(self, key, values):
"""
aggregate the values having the same key.
"""
values_str = tuple2str(tuple(values))
self.outputcollector.collect(key, values_str)
