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torben |
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/* using the workmanager api (as in JSR237 etc.)
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*
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torben |
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* in websphere the workmanager API is available very easy, but on glassfish .... not so simple
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torben |
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*
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* this code is inspired by how Spring implented their TaskExecutor for GFv3, google : org.springframework.jca.work.glassfish.GlassFishWorkManagerTaskExecutor
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*
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* GFv3 Compile-time dependencies: auto-depends.jar connectors-runtime.jar connectors-internal-api.jar work-management.jar
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*
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*
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* if your container (eg. tomcat) does not support this take a look at CommonJ
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*/
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package dk.thoerup.asyncsamples;
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import java.io.IOException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.resource.spi.work.Work;
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import javax.resource.spi.work.WorkManager;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import com.sun.enterprise.connectors.ConnectorRuntime;
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import com.sun.enterprise.connectors.work.CommonWorkManager;
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/**
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* Servlet implementation class WorkManager
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*/
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public class WorkManagerSample extends HttpServlet {
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private static final long serialVersionUID = 1L;
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static final Logger logger = Logger.getLogger(WorkManagerSample.class.getName());
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WorkManager mgr;
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class MyWork implements Work {
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@Override
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public void release() {
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}
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@Override
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public void run() {
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DummyWork.doWork();
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}
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}
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@Override
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public void init() throws ServletException {
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super.init();
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ConnectorRuntime rt = ConnectorRuntime.getRuntime();
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final String threadPoolName = "thread-pool-1";
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try {
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mgr = new CommonWorkManager(threadPoolName, rt, null);
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} catch (Exception e) {
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logger.log(Level.SEVERE, "error", e);
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}
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}
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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try {
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mgr.scheduleWork(new MyWork());
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} catch (Exception e) {
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logger.log(Level.SEVERE, "error", e);
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}
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response.getWriter().print("Finished");
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}
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}
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