/
Builder.py
48 lines (44 loc) · 1.48 KB
/
Builder.py
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###############
# Builder
# Seperate the construction of a complex object from its representation so that the same construction can make different representations
###############
#Builder -> declare an interface for creating parts of a product object
class Builder:
def buildPart1(self):
pass
def buildPart2(self):
pass
def getResult(self):
pass
#ConcreteBuilder -> constructs and assembles parts of the product by implementing the Builder interface and also responsbile for representing its create
class ConcreteBuilderA(Builder):
def __init__(self):
self.result = []
def buildPart1(self):
self.result.append("A_Part1")
def buildPart2(self):
self.result.append("A_Part2")
def getResult(self):
print("\n".join(self.result))
class ConcreteBuilderB(Builder):
def __init__(self):
self.result = []
def buildPart1(self):
self.result.append("B_Part1")
def buildPart2(self):
self.result.append("B_Part2")
def getResult(self):
print("\n".join(self.result))
#Director -> constructs an object using the Builder interface
class Director:
def __init__(self, builder):
self.builder = builder
def construct(self):
self.builder.buildPart1()
self.builder.buildPart2()
self.builder.getResult()
if __name__ == "__main__":
director = Director(ConcreteBuilderA())
director.construct()
director = Director(ConcreteBuilderB())
director.construct()