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https://issues.apache.org/jira/browse/FELIX-927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Felix Meschberger updated FELIX-927:
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Component/s: Declarative Services (SCR)
> Allow bind and unbind methods to receive the service properties
> ---------------------------------------------------------------
>
> Key: FELIX-927
> URL: https://issues.apache.org/jira/browse/FELIX-927
> Project: Felix
> Issue Type: New Feature
> Components: Declarative Services (SCR), Specification compliance
> Affects Versions: scr-1.0.6
> Environment: OSGi RFC-0134, OSGi R4.2 Early Draft 2
> (http://www.osgi.org/download/osgi-4.2-early-draft2.pdf)
> Reporter: Felix Meschberger
> Fix For: scr-1.2.0
>
>
> A bind or unbind method must have one of the following prototypes:
> protected void <method-name>(ServiceReference);
> protected void <method-name>(<parameter-type>);
> protected void <method-name>(<parameter-type>, Map);
> If the bind or unbind method has the third prototype, then the service object
> of the bound service is passed to the method as the first argument and a Map
> containing the service properties of the bound service is passed as the
> second argument. The method's first parameter type must be assignable from
> the type specified by the reference's interface attribute. That is, the
> service object of the bound service must be castable to the method's first
> parameter type.
> When searching for the bind or unbind method to call, SCR must look through
> the component implementation class hierarchy. The declared methods of each
> class are searched for a method with the specified name that takes one or two
> parameters. The method is searched for using the following priority:
> 1.The method takes a single parameter and the type of the parameter is
> org.osgi.framework.ServiceReference.
> 2.The method takes a single parameter and the type of the parameter is the
> type specified by the reference's interface attribute.
> 3.The method takes a single parameter and the type of the parameter is
> assignable from the type specified by the reference's interface attribute. If
> multiple methods match this rule, this implies the method name is overloaded
> and SCR may choose any of the methods to call.
> 4.The method takes two parameters and the type of the first parameter is the
> type specified by the reference's interface attribute and the type of the
> second parameter is java.util.Map
> 5.The method takes two parameters and the type of the first parameter is
> assignable from the type specified by the reference's interface attribute and
> the type of the second parameter is java.util.Map. If multiple methods match
> this rule, this implies the method name is overloaded and SCR may choose any
> of the methods to call.
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