Validate: add message parameter construction via elllipsis notation to speed up processing
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Key: LANG-508
URL:
https://issues.apache.org/jira/browse/LANG-508 Project: Commons Lang
Issue Type: Improvement
Affects Versions: 2.4
Reporter: Mark Struberg
Fix For: 3.0
Currently passing verbose message strings to a log of commons.lang.Validate functions costs a lot of performance.
A typical usecase currently is:
{noformat}
Validate.isTrue (argInt1.intValue > argInt2.intValue, "param2 actually is " + argInt2 + " but must larger than param1 " + argInt1 +" !");
{noformat}
So all the string operations get executed regardless if the validation fails or not.
This can be made perform much better by moving all the string operations inside the respective validation function and execute it only if the validation fails:
{noformat}
Validate.isTrue(argInt1.intValue > argInt2.intValue, "param2 actually is {1} but must larger than param1 {0} !", argInt1, argInt2);
{noformat}
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