class WindowPair:
#
# Create a new WindowPair object
#
def __init__(self, n1, n2, alpha):
self.w1 = Window(n1) # The first window in the pair
self.w2 = Window(n2) # The second window in the pair
self.alpha = alpha # Threshold used for detecting differences
# in data in windows
#
# Create a string representation of a WindowPair object
#
def __repr__(self):
s = 'w1: ' + str(self.w1) + '\nw2: ' + str(self.w2) + '\n'
s = s + 'alpha: ' + str(self.alpha) + '\n'
return s
__str__ = __repr__
#
# Remove all data from the pair of windows
#
def clear(self):
self.w1.clear()
self.w2.clear()
#
# Add a data item to the window pair, adding data to the first window
# until it is full and then adding data to the second window
#
# item - The data item to add
#
def add(self, item):
if not self.w1.isFull():
self.w1.add(item)
else:
self.w1.add(None)
self.w2.add(item)
#
# Return one of the windows in the pair
#
# which - Setting this value to 0 causes the first window to be
# returned. Any other value results in the second window
# being returned.
#
def getWindow(self, which):
if which == 0:
return self.w1
else:
return self.w2
#
# Return true iff both windows in the pair are full
#
def isFull(self):
return self.w1.isFull() and self.w2.isFull()
#!/usr/bin/python
from Window import Window
#
# Simple code for testing the Window module, and showing how it is used
#
# Create window of size 10
w = Window(10)
# Add integers 0 - 19 to the window
for i in range(20):
w.add(i)
print w
print w.isFull()
print w.getItem(5)
print w.lastOut
w.clear()
print w
print w.isFull()
print w.lastOut
class WindowPair:
#
# Create a new WindowPair object
#
def __init__(self, n1, n2, alpha):
self.w1 = Window(n1) # The first window in the pair
self.w2 = Window(n2) # The second window in the pair
self.alpha = alpha # Threshold used for detecting differences
# in data in windows
#
# Create a string representation of a WindowPair object
#
def __repr__(self):
s = 'w1: ' + str(self.w1) + '\nw2: ' + str(self.w2) + '\n'
s = s + 'alpha: ' + str(self.alpha) + '\n'
return s
__str__ = __repr__
#
# Remove all data from the pair of windows
#
def clear(self):
self.w1.clear()
self.w2.clear()
#
# Add a data item to the window pair, adding data to the first window
# until it is full and then adding data to the second window
#
# item - The data item to add
#
def add(self, item):
if not self.w1.isFull():
self.w1.add(item)
else:
self.w1.add(None)
self.w2.add(item)
#
# Return one of the windows in the pair
#
# which - Setting this value to 0 causes the first window to be
# returned. Any other value results in the second window
# being returned.
#
def getWindow(self, which):
if which == 0:
return self.w1
else:
return self.w2
#
# Return true iff both windows in the pair are full
#
def isFull(self):
return self.w1.isFull() and self.w2.isFull()
#!/usr/bin/python
from Window import Window
#
# Simple code for testing the Window module, and showing how it is used
#
# Create window of size 10
w = Window(10)
# Add integers 0 - 19 to the window
for i in range(20):
w.add(i)
print w
print w.isFull()
print w.getItem(5)
print w.lastOut
w.clear()
print w
print w.isFull()
print w.lastOut
