135 lines
5.6 KiB
Java
135 lines
5.6 KiB
Java
package org.gcube.vremanagement.vremodeler.impl;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import org.gcube.common.core.contexts.GCUBEServiceContext;
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import org.gcube.common.core.contexts.GHNContext;
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import org.gcube.common.core.informationsystem.notifier.ISNotifier;
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import org.gcube.common.core.informationsystem.notifier.ISNotifier.GCUBENotificationTopic;
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import org.gcube.common.core.scope.GCUBEScope;
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import org.gcube.vremanagement.vremodeler.consumers.CollectionConsumer;
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import org.gcube.vremanagement.vremodeler.consumers.GHNConsumer;
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import org.gcube.vremanagement.vremodeler.consumers.GenericResourceConsumer;
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import org.gcube.vremanagement.vremodeler.consumers.RunningInstanceConsumer;
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import org.gcube.vremanagement.vremodeler.db.DBInterface;
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import org.gcube.vremanagement.vremodeler.db.IStoDBUtil;
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import org.gcube.vremanagement.vremodeler.impl.util.ServicePair;
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import org.gcube.vremanagement.vremodeler.resources.handlers.CollectionHandler;
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import org.gcube.vremanagement.vremodeler.resources.handlers.FunctionalityHandler;
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import org.gcube.vremanagement.vremodeler.resources.handlers.GHNHandler;
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import org.gcube.vremanagement.vremodeler.resources.handlers.GenericResourceHandler;
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public class ServiceContext extends GCUBEServiceContext{
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/** Single context instance, created eagerly */
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private static ServiceContext cache = new ServiceContext();
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private static List<GCUBENotificationTopic> topicToRemove= new ArrayList<ISNotifier.GCUBENotificationTopic>();
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/** Returns cached instance */
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public static ServiceContext getContext() {return cache;}
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/** Prevents accidental creation of more instances */
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private ServiceContext(){};
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/** {@inheritDoc} */
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protected String getJNDIName() {return "gcube/vremanagement/vremodeler";}
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private ArrayList<String> secondaryTypeGenericResourceRequired= new ArrayList<String>();
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private ArrayList<ServicePair> baseServiceForGhn= new ArrayList<ServicePair>();
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protected void onReady() throws Exception{
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try{
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logger.info("ready event invoked on " + this.getName());
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this.intializeDB();
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}catch (Exception e){
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logger.error("error initializing VREModeler",e);
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this.setStatus(Status.FAILED);
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throw e;
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}
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}
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protected void intializeDB() throws Exception{
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ArrayList<ServicePair> baseServiceGhn= new ArrayList<ServicePair>();
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for (String gen:((String)this.getProperty("BaseRisForSelectableGHN", true)).split(";")){
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String[] serviceString=gen.split(",");
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new ServicePair(serviceString[0], serviceString[1]);
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}
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this.setBaseServiceForGhn(baseServiceGhn);
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ISNotifier notifier= GHNContext.getImplementation(ISNotifier.class);
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for (GCUBEScope scope : ServiceContext.getContext().getInstance().getScopes().values()){
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if (scope.isInfrastructure()) continue;
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ServiceContext.getContext().setScope(scope);
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ArrayList<String> genResList= new ArrayList<String>();
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for (String gen:((String)this.getProperty("GenericResourceToAdd", true)).split(","))
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genResList.add(gen.trim());
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this.setSecondaryTypeGenericResourceRequired(genResList.toArray(new String[0]));
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IStoDBUtil.initDB(scope);
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new GHNHandler().initialize();
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new CollectionHandler().initialize();
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FunctionalityHandler functionalityHandler= new FunctionalityHandler();
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functionalityHandler.initialize();
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new GenericResourceHandler().initialize();
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logger.debug("Service initialized!!");
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//GHNNotification
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ArrayList<GCUBENotificationTopic> qnameList= new ArrayList<GCUBENotificationTopic>();
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qnameList.add(GHNConsumer.ghnTopic);
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notifier.registerToISNotification(new GHNConsumer(scope),qnameList, this, scope);
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//RINotification
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qnameList= new ArrayList<GCUBENotificationTopic>();
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qnameList.add(RunningInstanceConsumer.riTopic);
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notifier.registerToISNotification(new RunningInstanceConsumer(scope), qnameList, this, scope);
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//CollectionNotification
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qnameList= new ArrayList<GCUBENotificationTopic>();
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qnameList.add(CollectionConsumer.collectionTopic);
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notifier.registerToISNotification(new CollectionConsumer(scope), qnameList, this, scope);
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//FunctionalityResource
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qnameList= new ArrayList<GCUBENotificationTopic>();
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qnameList.add(GenericResourceConsumer.functionalityTopic);
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notifier.registerToISNotification(new GenericResourceConsumer(scope,functionalityHandler.getFunctionalityResourceId()), qnameList, this, scope);
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logger.debug("consumers registered");
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}
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//saving topic for removing
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topicToRemove.add(GHNConsumer.ghnTopic);
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topicToRemove.add(RunningInstanceConsumer.riTopic);
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topicToRemove.add(CollectionConsumer.collectionTopic);
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topicToRemove.add(GenericResourceConsumer.functionalityTopic);
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}
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public void onShutdown() throws Exception{
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ISNotifier notifier= GHNContext.getImplementation(ISNotifier.class);
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for (GCUBEScope scope : ServiceContext.getContext().getInstance().getScopes().values()){
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ServiceContext.getContext().setScope(scope);
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notifier.unregisterFromISNotification(this, topicToRemove, scope);
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if (!scope.isInfrastructure()) DBInterface.close();
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}
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}
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public ArrayList<String> getSecondaryTypeGenericResourceRequired() {
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return secondaryTypeGenericResourceRequired;
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}
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public void setSecondaryTypeGenericResourceRequired(
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String[] secondaryTypeGenericResourceRequired) {
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Collections.addAll(this.secondaryTypeGenericResourceRequired,secondaryTypeGenericResourceRequired);
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}
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public ArrayList<ServicePair> getBaseServiceForGhn() {
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return baseServiceForGhn;
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}
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public void setBaseServiceForGhn(ArrayList<ServicePair> baseServiceForGhn) {
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this.baseServiceForGhn = baseServiceForGhn;
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}
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}
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