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Observer Pattern

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  • Licence: Open Source Free
  • OS: Windows ,Linux,Mac OS,BSD,Solaris
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  • Date Added: 07/08/2010
  • File size: 1KB
  • Downloads: 67

Observer Pattern

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Observer Pattern Description

 
"This is a Python implementation of the observer pattern." Brothersoft Editor: This is a Python implementation of the observer pattern described by Gamma et. al. It defines a one-to many dependency Between objects so that when one object changes state, all its dependents are notified and updated automatically.The example should output: Setting Data 1 = 10 DecimalViewer: Subject Data 1 has data 10 HexViewer: Subject Data 1 has data 0xa Setting Data 2 = 15 HexViewer: Subject Data 2 has data 0xf DecimalViewer: Subject Data 2 has data 15 Setting Data 1 = 3 DecimalViewer: Subject Data 1 has data 3 HexViewer: Subject Data 1 has data 0x3 Setting Data 2 = 5 HexViewer: Subject Data 2 has data 0x5 DecimalViewer: Subject Data 2 has data 5 Detach HexViewer from data1 and data2. Setting Data 1 = 10 DecimalViewer: Subject Data 1 has data 10 Setting Data 2 = 15 DecimalViewer: Subject Data 2 has data 15  . you can free download Observer Pattern now.
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