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The Algorithm defines how a value for a file is computed. It must be sure that multiple calls for the same file results in the same value. The implementing class should implement a useful toString() method.
| Method Summary | |
|  java.lang.String | getValue(java.io.File file)Get the value for a file. | 
|  boolean | isValid()Checks its prerequisites. | 
| Method Detail | 
public boolean isValid()
public java.lang.String getValue(java.io.File file)
file - File object for which the value should be evaluated.
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