Class DiagnosticUtil
- java.lang.Object
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- org.apache.derby.iapi.services.diag.DiagnosticUtil
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public class DiagnosticUtil extends java.lang.Object
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Constructor Summary
Constructors Modifier Constructor Description private
DiagnosticUtil()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static Diagnosticable
findDiagnostic(java.lang.Object ref)
Given an object return instance of the diagnostic object for this class.static java.lang.String
toDiagString(java.lang.Object obj)
Return a diagnostic string associated with an object.
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Method Detail
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findDiagnostic
public static Diagnosticable findDiagnostic(java.lang.Object ref)
Given an object return instance of the diagnostic object for this class.Given an object this routine will determine the classname of the object and then try to instantiate a new instance of the diagnostic object for this class by prepending on "D_" to the last element of theclassname. If no matching class is found then the same lookup is made on the super-class of the object, looking all the way up the hierachy until a diagnostic class is found.
This routine will call "init(ref)" on the new instance and then return the new instance.- Parameters:
ref
- The object which to build the diagnostic object for.- Returns:
- A new instance of the diagnostic object for input object, or null if one could not be found for some reason.
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toDiagString
public static java.lang.String toDiagString(java.lang.Object obj)
Return a diagnostic string associated with an object.A utility interface to use if you just want to print a single string that represents the object in question. In following order this routine will deliver the string to use: 1) find diagnostic help class, and use class.diag() 2) else just use class.toString()
- Parameters:
obj
- The object to print out.- Returns:
- The string describing the class input.
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