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https://issues.apache.org/jira/browse/OLINGO-120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anirban Roy closed OLINGO-120.
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Resolution: Fixed
The library now supports both "is<VariableName>" and "get<VaribaleName>" for
getter methods in case of boolean variables in JPA Entity
> JPA Entity parser fails if there is a boolean property with "is" prefixed
> getter method
> ---------------------------------------------------------------------------------------
>
> Key: OLINGO-120
> URL: https://issues.apache.org/jira/browse/OLINGO-120
> Project: Olingo
> Issue Type: Bug
> Components: odata2-jpa
> Affects Versions: V2 1.0.0
> Reporter: Chavdar Baikov
> Assignee: Anirban Roy
> Fix For: V2 1.1.0
>
>
> I am having JPA Model exposed as OData using the framework.
> One of the entities contains boolean propery called "active" with pair of
> generated "setter/getter" methods - "isActive/setActive".
> According to the JavaBeans specification section 8.3.2:
> Boolean properties
> In addition, for boolean properties, we allow a getter method to match the
> pattern:
> public boolean is<PropertyName>();
> This "isPropertyName" method may be provided instead of a "get<PropertyName>"
> method, or it may be provided in addition to a "get<PropertyName>" method. In
> either case, if the is<PropertyName> method is present for a boolean property
> then we will use the "is<PropertyName>" method to read the property value. An
> example boolean property might be:
> public boolean isMarsupial(); public void setMarsupial(boolean m);
> So according to the spec it should be perfectly fine.
> However i am getting "Null Pointer" exceptions when trying to navigate to
> this entity.
> While debugging i found out that the "get" prefix is hard coded in
> JPAEntityParser.
> See line 150:
> if (!jpaEntityAccessMap.containsKey(jpaEntityAccessKey)) {
> jpaEntityAccessMap.put(jpaEntityAccessKey,
> getAccessModifiers(jpaEntity, structuralType, ACCESS_MODIFIER_GET));
> }
> Which goes to getAccessModifiers method (line 312) and tries to find
> "getActive" method and throws NoSuchMethod Exception on line 322.
> accessModifierMap.put(
> propertyName,
> jpaEntity.getClass().getMethod(name,
> (Class<?>[]) null));
>
> My best guess is that boolean properties should be detected .. or JAVA beans
> introspector could be used instead of proprietary implementation.
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