Carsten, thank you! I got what I wanted!
>Пятница, 17 июля 2015, 13:16 +02:00 от Carsten Ziegeler <[email protected]>: > >Am 17.07.15 um 13:09 schrieb Alex Sviridov: >> I use org.apache.felix.framework-4.6.1.jar and a bundle >> org.apache.felix.scr-1.8.3-SNAPSHOT.jar >> >> And I have two bundles - bundleA and bundleB. => totally I have three >> bundles (A,B,scr) >> >> BundleA >> ############################################################################################# >> I have a bundleA with the class TempClass: >> >> import org.osgi.service.component.annotations.Component; >> import org.osgi.service.component.annotations.ServiceScope; >> >> @Component( >> immediate = false, >> scope=ServiceScope.PROTOTYPE >> ) >> public class TempClass implements TempInterface{ >> private String temp; >> @Override >> public setTemp(String temp);{...} >> @Override >> public String getTemp(){...} >> } >> >> In order to generate ds file I use the latest version of maven bundle plugin >> <groupId>org.apache.felix</groupId> >> <artifactId>maven-bundle-plugin</artifactId> >> <version>2.5.4</version> >> >> This plugin generates the following ds xml file: >> <?xml version="1.0"?> >> <scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.3.0"; >> immediate="false"> >> <implementation class="TempClass"/> >> <service scope="prototype"> >> <provide interface="TempInterface"/> >> </service> >> </scr:component> >> >> BundleB >> ############################################################################################# >> In bundle I manually try to get two instances of service: >> >> ServiceReference sr1 = bc.getServiceReference(TempInterface.class); >> TempInterface bean1 = (TempInterface)bc.getService(sr1); >> bean1.setTemp("I am bean1"); >> >> ServiceReference sr2 = bc.getServiceReference(TempInterface.class); >> TempInterface bean2 = (TempInterface)bc.getService(sr2); >> bean2.setTemp("I am bean2"); >> System.out.println("Test bean1:"+bean1.getTemp()+",test >> bean2:"+bean2.getTemp()); >> >> And this is the output: >> Test bean1:I am bean2, test bean2:I am bean2 >> >> I thought that I would get "Test bean1:I am bean1, test bean2:I am bean2" >> >> What is my mistake? >> >In order to use prototypes (or to get several instances), you have to >use bc.getServiceObjects(getServiceReference(TempInterface.class)) and >then get as many instances as you want from the ServiceObjects instance. >(of course you should check for the methods returning null in case the >service is currently not registered etc.) > >Carsten > >> >> > > >-- >Carsten Ziegeler >Adobe Research Switzerland >[email protected] > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [email protected] >For additional commands, e-mail: [email protected] > -- Alex Sviridov
