Mocktail/src/main/java/de/hsos/swa/ma/api/al/Barkeeper.java

package de.hsos.swa.ma.api.al;

import java.util.ArrayList;

import org.jboss.logging.Logger;

import javax.inject.Inject;
// import org.eclipse.microprofile.*;

// import org.eclipse.microprofile.openapi.annotations.OpenAPIDefinition;
// import org.eclipse.microprofile.openapi.annotations.info.Contact;
// import org.eclipse.microprofile.openapi.annotations.info.Info;
// import org.eclipse.microprofile.openapi.annotations.info.License;
// import org.eclipse.microprofile.openapi.annotations.tags.Tag;

import org.eclipse.microprofile.metrics.MetricUnits;
import org.eclipse.microprofile.metrics.annotation.Counted;
import org.eclipse.microprofile.metrics.annotation.Gauge;
import org.eclipse.microprofile.metrics.annotation.Timed;

import org.eclipse.microprofile.faulttolerance.Retry;
import org.eclipse.microprofile.faulttolerance.Timeout;
import org.eclipse.microprofile.faulttolerance.Fallback;

// import javax.ws.rs.GET;
// import javax.ws.rs.POST;
// import javax.ws.rs.PUT;
// import javax.ws.rs.DELETE;
// import javax.ws.rs.Path;
// import javax.ws.rs.Produces;
// import javax.ws.rs.Consumes;
// import javax.ws.rs.core.MediaType;

// import org.jboss.resteasy.annotations.jaxrs.PathParam;

//@Path("/mocktail")
// @OpenAPIDefinition(
//     tags = {
//             @Tag(name="widget", description="Widget operations."),
//             @Tag(name="gasket", description="Operations related to gaskets")
//     },
//     info = @Info(
//         title="Example API",
//         version = "1.0.1",
//         contact = @Contact(
//             name = "Example API Support",
//             url = "http://exampleurl.com/contact",
//             email = "techsupport@example.com"),
//         license = @License(
//             name = "Apache 2.0",
//             url = "http://www.apache.org/licenses/LICENSE-2.0.html"))
// )

public class Barkeeper implements BarkeeperInterface{

    private static final Logger logger = Logger.getLogger(Barkeeper.class);

    @Inject
    StorageTransport st;

    //Metrics
    @Counted(name = "performedSearchesByName", description = "How many searches by name have been performed.")
    @Timed(name = "searchTimer", description = "A measure of how long it takes to perform the search.", unit = MetricUnits.MILLISECONDS)
    //@Gauge(name = "highestPrimeNumberSoFar", unit = MetricUnits.NONE, description = "Highest prime number so far.")
    //Fault-Tolerance
    @Retry(maxRetries = 3)
    @Timeout(250)
    @Fallback(fallbackMethod = "fallbackGetMocktailByName")
    public ArrayList<Mocktail> getMocktailByName(String name) {
        logger.debug(System.currentTimeMillis() + ": Barkeeper->getMocktailByName: started");
        ArrayList<Mocktail> mts = st.getMocktailByName(name);
        logger.trace(System.currentTimeMillis() + ": Barkeeper->getMocktailByName: get mocktail by name by REST-CLIENT");
        logger.debug(System.currentTimeMillis() + ": Barkeeper->getMocktailByName: ended");
        return mts;
    }

    public ArrayList<Mocktail> fallbackGetMocktailByName(String name) {
        logger.debug(System.currentTimeMillis() + ": Barkeeper->getMocktailByName: started");
        ArrayList<Mocktail> mts = st.getAllMocktails();
        logger.trace(System.currentTimeMillis() + ": Barkeeper->getMocktailByName: get mocktail by name by REST-CLIENT");
        logger.debug(System.currentTimeMillis() + ": Barkeeper->getMocktailByName: ended");
        return mts;
    }    

    //Metrics
    @Counted(name = "performedCreates", description = "How many creates have been performed.")
    @Timed(name = "createTimer", description = "A measure of how long it takes to perform the mocktail creation.", unit = MetricUnits.MILLISECONDS)
    //Fault-Tolerance
    @Retry(maxRetries = 3)
    public void createMocktail(Mocktail m) {
        logger.debug(System.currentTimeMillis() + ": Barkeeper->createMocktail: started");
        this.st.addMocktail(m);
        logger.trace(System.currentTimeMillis() + ": Barkeeper->createMocktail: create mocktail by REST-CLIENT");
        logger.debug(System.currentTimeMillis() + ": Barkeeper->createMocktail: ended");
    }

    //Metrics
    @Counted(name = "performedUpdates", description = "How many updates have been performed.")
    @Timed(name = "updateTimer", description = "A measure of how long it takes to perform the update of a mocktail.", unit = MetricUnits.MILLISECONDS)
    //Fault-Tolerance
    @Retry(maxRetries = 3)
    public void updateMocktail(Mocktail m, long number) {
        logger.debug(System.currentTimeMillis() + ": Barkeeper->updateMocktail: started");
        this.st.updateMocktail(m, number);
        logger.trace(System.currentTimeMillis() + ": Barkeeper->updateMocktail: update mocktail by REST-CLIENT");
        logger.debug(System.currentTimeMillis() + ": Barkeeper->updateMocktail: ended");
    }

    //Metrics
    @Counted(name = "performedDeletions", description = "How many deletes have been performed.")
    @Timed(name = "deleteTimer", description = "A measure of how long it takes to delete a mocktail.", unit = MetricUnits.MILLISECONDS)
    //Fault-Tolerance
    @Retry(maxRetries = 3)
    public void deleteMocktail(long id) {
        logger.debug(System.currentTimeMillis() + ": Barkeeper->deleteMocktail: started");
        this.st.deleteMocktail(id);
        logger.trace(System.currentTimeMillis() + ": Barkeeper->deleteMocktail: delete mocktail by REST-CLIENT");
        logger.debug(System.currentTimeMillis() + ": Barkeeper->deleteMocktail: ended");
    }

}