JmsProviderLifecycle.java

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// Portions Copyright [2016] [Payara Foundation]
package com.sun.enterprise.connectors.jms.system;

//import org.glassfish.api.monitoring.MonitoringItem;
//import org.glassfish.jms.admin.monitor.config.JmsServiceMI;
import com.sun.appserv.connectors.internal.api.ConnectorConstants;
import com.sun.appserv.connectors.internal.api.ConnectorRuntime;
import com.sun.appserv.connectors.internal.api.ConnectorRuntimeException;
import com.sun.appserv.connectors.internal.api.ConnectorsUtil;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.connectors.jms.config.JmsHost;
import com.sun.enterprise.connectors.jms.config.JmsService;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.hk2.runlevel.RunLevel;
import org.glassfish.internal.api.PostStartupRunLevel;
import org.jvnet.hk2.annotations.Service;

//import java.beans.PropertyVetoException;
//import java.util.logging.Level;
//import java.util.logging.Logger;
//import java.util.List;

@Service
@RunLevel(value=PostStartupRunLevel.VAL, mode=RunLevel.RUNLEVEL_MODE_NON_VALIDATING)
public class JmsProviderLifecycle implements PostConstruct{
    private static final String JMS_INITIALIZE_ON_DEMAND = "org.glassfish.jms.InitializeOnDemand";
    //Lifecycle properties
    enum BROKER_TYPE {
        DISABLED,
        EMBEDDED,
        LOCAL,
        REMOTE
    }

    public static final String JMS_SERVICE = "jms-service";

    BROKER_TYPE brokerType;

    @Inject @Named(ServerEnvironment.DEFAULT_INSTANCE_NAME)
    Config config;

    @Inject
    private Provider<JMSConfigListener> jmsConfigListenerProvider;

    @Inject
    private Provider<ConnectorRuntime> connectorRuntimeProvider;

    @Inject
    private ActiveJmsResourceAdapter activeJmsResourceAdapter;
    

    public void postConstruct() 
    {
       final JmsService jmsService = config.getExtensionByType(JmsService.class);
       brokerType = BROKER_TYPE.valueOf(jmsService.getType());
       configureConfigListener();
       
       if (brokerType == BROKER_TYPE.DISABLED) {
           return;
       }
       
       if (eagerStartupRequired())
       {
        try {
                initializeBroker();
               } catch (ConnectorRuntimeException e) {
                   e.printStackTrace();
                   //_logger.log(Level.WARNING, "Failed to start JMS RA");
                   e.printStackTrace();
               }
       }
        try {
            activeJmsResourceAdapter.initializeLazyListener(jmsService);
        } catch (JmsInitialisationException ex) {
            Logger.getLogger(JmsProviderLifecycle.class.getName()).log(Level.SEVERE, null, ex);
            throw new IllegalStateException(ex);
        }

       //createMonitoringConfig();

    }
    private void configureConfigListener(){
        //do a lookup of the config listener to get it started
        jmsConfigListenerProvider.get();
    }
    public void initializeBroker () throws ConnectorRuntimeException
    {
        if (!(brokerType == BROKER_TYPE.DISABLED)) {
            String module = ConnectorConstants.DEFAULT_JMS_ADAPTER;
            String loc = ConnectorsUtil.getSystemModuleLocation(module);
            ConnectorRuntime connectorRuntime = connectorRuntimeProvider.get();
            connectorRuntime.createActiveResourceAdapter(loc, module, null);
        }
    }
    private boolean eagerStartupRequired(){
        JmsService jmsService = getJmsService();
        if(jmsService == null) return false;
        List <JmsHost> jmsHostList = jmsService.getJmsHost();
        if (jmsHostList == null) return false;

        String defaultJmsHostName = jmsService.getDefaultJmsHost();
        JmsHost defaultJmsHost = null;
        for (JmsHost host : jmsHostList){
            if(defaultJmsHostName != null && defaultJmsHostName.equals(host.getName())) {
                    defaultJmsHost = host;
                break;
            }
        }
        if(defaultJmsHost == null && jmsHostList.size() >0)  {
            defaultJmsHost = jmsHostList.get(0);
        }
	    boolean lazyInit = false;
        if (defaultJmsHost != null)
                lazyInit = Boolean.parseBoolean(defaultJmsHost.getLazyInit());


        //we don't manage lifecycle of remote brokers
        if(brokerType == BROKER_TYPE.REMOTE)
                return false;

         //Initialize on demand is currently enabled based on a system property
        String jmsInitializeOnDemand = System.getProperty(JMS_INITIALIZE_ON_DEMAND);
        //if the system property is true, don't do eager startup
        if ("true".equals(jmsInitializeOnDemand))
            return false;

        if (brokerType == BROKER_TYPE.EMBEDDED && (!lazyInit))
            return true;

        //local broker has eager startup by default
        if(brokerType == BROKER_TYPE.LOCAL)
            return true;


        return false;
    }

    private JmsService getJmsService() {
        return config.getExtensionByType(JmsService.class);
    }
}