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Changes for page WebObjects and Squeryl

Last modified by Ravi Mendis on 2011/04/01 11:14
From version 67.1
edited by Ravi Mendis
on 2011/03/25 05:00
Change comment: There is no comment for this version
To version 68.1
edited by Ravi Mendis
on 2011/03/31 23:35
Change comment: There is no comment for this version

Summary

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... ... @@ -11,7 +11,7 @@
11 11  * Type Safety
12 12  ** Better suited for database/business "logic".
13 13   E.g: Exploits the compiler and IDE to catch exceptions at compile time rather than at run-time.
14 -* Uses Scala collection classes
14 +* Uses Scala Collections
15 15  
16 16  = Migrating EOF -> Squeryl =
17 17  
... ... @@ -54,6 +54,26 @@
54 54  
55 55  {{code}}
56 56  
57 -def activeFiles = files.filter(_.active == 1)
57 +def activeFiles = files.filter(_.active == true)
58 58  
59 59  {{/code}}
60 +
61 +===== 2. Iteration =====
62 +
63 +Functional language iteration that's become increasingly popular can be used:
64 +
65 +{{code}}
66 +
67 +activeFiles.foreach(f => {
68 + ...
69 +})
70 +
71 +{{/code}}
72 +
73 +===== 3. For-Comprehensions =====
74 +
75 +{{code}}
76 +
77 +def activeFiles = for (file <- files if file.active == true) yield f
78 +
79 +{{/code}}