Last change
on this file since 166 was
166,
checked in by (none), 14 years ago
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HadoopA51: imported git repository from github
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File size:
564 bytes
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[166] | 1 | package ro.pub.cs.pp.a51hadoop.algorithm.testing; |
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| 2 | |
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| 3 | import ro.pub.cs.pp.a51hadoop.algorithm.Hashfn; |
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| 4 | |
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| 5 | /* |
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| 6 | * Apply a hash function on a given string. |
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| 7 | */ |
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| 8 | public class DigitHashfn implements Hashfn |
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| 9 | { |
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| 10 | public String hashfn(String txt) |
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| 11 | { |
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| 12 | /* |
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| 13 | * This simple hashfn only exchanges the two halves of |
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| 14 | * a string and returns their new combination. |
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| 15 | * |
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| 16 | * This is used only in the testing phase to check |
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| 17 | * whether the rest of the framework works correclty. |
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| 18 | */ |
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| 19 | return txt.substring(txt.length() / 2, txt.length()) + |
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| 20 | txt.substring(0, txt.length() / 2); |
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| 21 | } |
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| 22 | } |
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