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Posted to java-dev@axis.apache.org by "Rich Scheuerle (JIRA)" <ji...@apache.org> on 2008/01/03 16:27:34 UTC
[jira] Resolved: (AXIS2-3422) Eliminate redundant lookup in
MessageContext.getProperty(String)
[ https://issues.apache.org/jira/browse/AXIS2-3422?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rich Scheuerle resolved AXIS2-3422.
-----------------------------------
Resolution: Fixed
Fixed 608527
> Eliminate redundant lookup in MessageContext.getProperty(String)
> ----------------------------------------------------------------
>
> Key: AXIS2-3422
> URL: https://issues.apache.org/jira/browse/AXIS2-3422
> Project: Axis 2.0 (Axis2)
> Issue Type: Improvement
> Components: kernel
> Reporter: Rich Scheuerle
> Assignee: Rich Scheuerle
>
> Background:
> MessageContext.getProperty(String) is invoked frequently during the processing of a web service message.
> MessageContext.getProperty(String) delegates to its super class (AbstractContext) to get the property value. The AbstractContext is aware of parent/ancestor contexts and automatically
> searches these objects.
> If a value is not found, the MessageContext then looks in the OperationContext, ServiceContext, etc.
> Problem:
> The secondary search of the OperationContext, ServiceContext, etc. is not necessary if these contexts are ancestors of the MessageContext.
> The secondary search is expensive and should be eliminated.
> Solution:
> Add a new method to AbstractContext, isAncestor(AbstractContext).
> Use the new method in MessageContext to avoid the secondary search.
> Kudos:
> David Strite (IBM) found this secondary search problem while doing performance testing for small message payloads. The new code should increase throughput by about 2% in these cases.
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