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https://issues.apache.org/jira/browse/OLINGO-421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Bolz updated OLINGO-421:
--------------------------------
Fix Version/s: (was: (Java) V4 4.0.0-beta-02)
(Java) V4 4.0.0-beta-03
> java client - further improve getter method's perf in the generated proxy
> codes
> -------------------------------------------------------------------------------
>
> Key: OLINGO-421
> URL: https://issues.apache.org/jira/browse/OLINGO-421
> Project: Olingo
> Issue Type: Task
> Components: odata4-client
> Affects Versions: (Java) V4 4.0.0-beta-02
> Reporter: Challen
> Assignee: Challen
> Fix For: (Java) V4 4.0.0-beta-03
>
> Attachments: 0001-proxy-code-time-the-getxxx-method-with-.t1-.t3.patch
>
>
> OLINGO-415 did enhanced the getter method's perf, but further improvement is
> still expected. (it may be a significant code change, so targetting beta-02)
> in a test, t3 (620) is only half of t2 (1240), so the invoke() method still
> can be optimized.
> (in AbstractStructuredInvocationHandler.java)
> ====================
> public Object invoke(final Object proxy, final Method method, final
> Object[] args) throws Throwable {
> + long start1 = System.nanoTime();
> if (method.getName().startsWith("get")) {
> // Here need check "get"/"set" first for better get-/set-
> performance because
> // the below if-statements are really time-consuming, even
> twice slower than "get" body.
>
> // Assumption: for each getter will always exist a setter and
> viceversa.
> // get method annotation and check if it exists as expected
>
> + long start2 = System.nanoTime();
> final Object res;
> final Method getter = typeRef.getMethod(method.getName());
>
> final Property property = ClassUtils.getAnnotation(Property.class,
> getter);
> if (property == null) {
> final NavigationProperty navProp =
> ClassUtils.getAnnotation(NavigationProperty.class, getter);
> if (navProp == null) {
> throw new UnsupportedOperationException("Unsupported method " +
> method.getName());
> } else {
> // if the getter refers to a navigation property ... navigate and
> follow link if necessary
> res = getNavigationPropertyValue(navProp, getter);
> }
> } else {
> // if the getter refers to a property .... get property from wrapped
> entity
> res = getPropertyValue(property.name(),
> getter.getGenericReturnType()); // inside, ClassUtils.t3 is measured
> }
>
> + ClassUtils.t2 += System.nanoTime() - start2;
> + ClassUtils.t1 += System.nanoTime() - start1;
> ( ClassUtils.t3 is measured in getPropertyValue() method. )
> ========================
> + long start3 = System.nanoTime();
> res = property == null || property.hasNullValue()
> ? null
> : CoreUtils.getObjectFromODataValue(property.getValue(),
> type, service);
> + ClassUtils.t3 += System.nanoTime() - start3;
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