Improve performance of startup scanning
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Key: SHALE-448
URL: https://issues.apache.org/struts/browse/SHALE-448
Project: Shale
Issue Type: Improvement
Components: Tiger
Affects Versions: 1.0.4, 1.1.0-SNAPSHOT
Reporter: Craig McClanahan
Priority: Minor
At startup time, the Tiger extensions currently scan classes in JAR files to
analyze their annotations. To reduce overhead, two heuristics (only scan JARs
that have a META-INF/faces-config.xml, and/or limit the package names that
should be scanned) are applied to reduce the number of classes actually scanned.
It turns out that there is a variant of Class.forName():
public Class<?> forName(String name, boolean initialize, ClassLoader loader)
throws ClassNotFoundException
that can load the metadata about a class without running the static
initializers yet. It should be possible to use this variant to further reduce
the startup overhead.
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