106 lines
3.0 KiB
Java
106 lines
3.0 KiB
Java
package org.gcube.vremanagement.contextmanager;
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import java.util.Iterator;
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import javax.enterprise.inject.Any;
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import javax.enterprise.inject.Default;
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import javax.enterprise.inject.Instance;
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import javax.inject.Inject;
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import javax.inject.Singleton;
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import org.gcube.common.resources.gcore.Resource;
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import org.gcube.common.resources.gcore.Resource.Type;
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import org.gcube.vremanagement.contextmanager.handlers.ResourceHandler;
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import org.gcube.vremanagement.contextmanager.model.collectors.BackendConnector;
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@Singleton
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public class ResourceManager {
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@Inject
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@Any
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Instance<ResourceHandler> resourcesHandlers;
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@Inject
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@Default
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BackendConnector defaultCollector;
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public ScopedResource addResourceToContext(String context, Resource resource) {
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ResourceHandler handler = retrieveHandler(resource.type());
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handler.addResource(context, resource);
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return getScopedResource(resource);
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}
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public ScopedResource removeResourceFromContext(String context, String id ) {
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Resource res = retrieveResource(id);
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ResourceHandler handler = retrieveHandler(res.type());
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handler.removeResource(context, res);
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return getScopedResource(res);
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}
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private Resource retrieveResource(String id) {
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return defaultCollector.find(id);
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/*
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XQuery query = ICFactory.queryFor(Resource.class);
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query.addCondition(String.format("$resource/ID/text() eq '%s'",id));
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query.setResult("<Ret>{$resource/Type}{$resource}</Ret>");
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DiscoveryClient<? extends Resource> client = ICFactory.clientWith(new ResourceParser());
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List<? extends Resource> resources = client.submit(query);
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//TODO check return size
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return resources.get(0);
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public static class ResourceParser implements ResultParser<Resource>{
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private enum ResourceType {
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GenericResource(GenericResource.class),
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RuntimeResource(ServiceEndpoint.class),
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RunningInstance(GCoreEndpoint.class),
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Service(Software.class),
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GHN(HostingNode.class);
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private Class<? extends Resource> managerClass;
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ResourceType(Class<? extends Resource> managerClass) {
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this.managerClass = managerClass;
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}
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public Class<? extends Resource> getManagerClass(){
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return this.managerClass;
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}
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}
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@Override
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public Resource parse(String res) throws Exception {
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String type = res.replaceAll("<Ret>\\s*<Type>([^<]*).*", "$1");
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String resource = res.replaceAll(".*(<Resource.*>.*</Resource>).*", "$1");
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Class<? extends Resource> classForUnmrshalling= ResourceType.valueOf(type).getManagerClass();
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return Resources.unmarshal(classForUnmrshalling, new StringReader(resource));
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}
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}
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*/
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}
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private ResourceHandler retrieveHandler(Type type) {
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Iterator<ResourceHandler> it = resourcesHandlers.iterator();
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while (it.hasNext()) {
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ResourceHandler rh = it.next();
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if (rh.getManagedResources().contains(type))
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return rh;
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}
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//TODO return handler not found
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return null;
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}
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private ScopedResource getScopedResource(Resource res) {
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return new ScopedResource(res.id(), res.type().name(), Long.toString(System.currentTimeMillis()));
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}
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}
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