[jboss-jira] [JBoss JIRA] Created: (JBRULES-2065) Performance benefit using StringBuilder instead of StringBuffer in org.drools.util.StringUtils

[Jeff Adams (JIRA)]

Performance benefit using StringBuilder instead of StringBuffer in org.drools.util.StringUtils
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                 Key: JBRULES-2065
                 URL: https://jira.jboss.org/jira/browse/JBRULES-2065
             Project: JBoss Drools
          Issue Type: Feature Request
      Security Level: Public (Everyone can see)
          Components: drools-core
    Affects Versions: 5.0.0.CR1
         Environment: Any
            Reporter: Jeff Adams
            Assignee: Mark Proctor
            Priority: Minor


Any chance we can get some performance improvement by replacing all uses of StringBuffer in org.drools.util.StringUtils with StringBuilder?
If the minimum JVM version for drools is 1.5 StringBuilder is more efficient than StringBuffer for all the current uses in this code.

>From the javadocs:
'This class is designed for use as a drop-in replacement for StringBuffer in places where the string buffer was being used by a single thread (as is generally the case)'

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