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86 lines
3.0 KiB
Java
86 lines
3.0 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.gcubeckan.gcubeckandatacatalog.server;
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import static org.gcube.resources.discovery.icclient.ICFactory.client;
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import static org.gcube.resources.discovery.icclient.ICFactory.queryFor;
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import java.util.List;
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import org.gcube.common.resources.gcore.GCoreEndpoint;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.resources.discovery.client.api.DiscoveryClient;
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import org.gcube.resources.discovery.client.queries.api.SimpleQuery;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* Jun 10, 2016
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*/
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public class GcoreEndpointReader {
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private static final String ckanResource = "org.gcube.data.access.ckanconnector.CkanConnector";
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private static final String serviceName = "CkanConnector";
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private static final String serviceClass = "DataAccess";
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private static Logger logger = LoggerFactory.getLogger(GcoreEndpointReader.class);
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private String ckanResourceEntyName;
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/**
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*
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*/
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public GcoreEndpointReader(String scope) {
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try{
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logger.info("set scope "+scope);
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ScopeProvider.instance.set(scope);
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SimpleQuery query = queryFor(GCoreEndpoint.class);
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query.addCondition(String.format("$resource/Profile/ServiceClass/text() eq '%s'",serviceClass));
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query.addCondition("$resource/Profile/DeploymentData/Status/text() eq 'ready'");
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query.addCondition(String.format("$resource/Profile/ServiceName/text() eq '%s'",serviceName));
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query.setResult("$resource/Profile/AccessPoint/RunningInstanceInterfaces//Endpoint[@EntryName/string() eq \""+ckanResource+"\"]/text()");
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logger.debug("submitting quey "+query.toString());
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DiscoveryClient<String> client = client();
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List<String> endpoints = client.submit(query);
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if (endpoints == null || endpoints.isEmpty()) throw new Exception("Cannot retrieve the GCoreEndpoint serviceName: "+serviceName +", serviceClass: " +serviceClass +", in scope: "+scope);
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this.ckanResourceEntyName = endpoints.get(0);
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if(ckanResourceEntyName==null)
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throw new Exception("Endpoint:"+ckanResource+", is null for serviceName: "+serviceName +", serviceClass: " +serviceClass +", in scope: "+scope);
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logger.info("found entyname "+ckanResourceEntyName+" for ckanResource: "+ckanResource);
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/*Group<Endpoint> accessPoints = se.profile().endpoints();
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if(accessPoints.size()==0) throw new Exception("Endpoint in serviceName serviceName: "+serviceName +", serviceClass: " +serviceClass +", in scope: "+scope +" not found");
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Endpoint ep = accessPoints.iterator().next();
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String epName = ep.name();
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System.out.println(epName);*/
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}catch(Exception e){
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logger.error("An error occurred during GCoreEndpoint discovery, serviceName: "+serviceName +", serviceClass: " +serviceClass +", in scope: "+scope +" not found", e);
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}finally{
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logger.info("scope provider reset");
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ScopeProvider.instance.reset();
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}
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}
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/**
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* @return the ckanResourceEntyName
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*/
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public String getCkanResourceEntyName() {
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return ckanResourceEntyName;
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}
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}
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