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158 lines
4.6 KiB
Java
158 lines
4.6 KiB
Java
package org.gcube.portlets.user.performfishanalytics.server.util;
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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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* The Class GcoreEndpointReader.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
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* Jan 23, 2019
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*/
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public class GcoreEndpointReader {
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private String serviceName = "CkanConnector";
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private String serviceClass = "DataAccess";
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private String endpointEntryName;
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private static final Logger log = LoggerFactory.getLogger(GcoreEndpointReader.class);
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private String endpointValue;
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/**
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* Instantiates a new gcore endpoint reader.
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*
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* @param scope the scope
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* @param serviceName the service name
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* @param serviceClass the service class
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* @param endpointEntryName the endpoint entry name
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* @throws Exception the exception
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*/
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public GcoreEndpointReader(String scope, String serviceName, String serviceClass, String endpointEntryName) throws Exception {
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this.serviceClass = serviceClass;
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this.serviceName = serviceName;
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this.endpointEntryName = endpointEntryName;
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String callerProviderScope = ScopeProvider.instance.get();
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try{
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log.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("$resource/Profile/ServiceName/text() eq '%s'",serviceName));
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if(this.endpointEntryName!=null)
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query.setResult("$resource/Profile/AccessPoint/RunningInstanceInterfaces//Endpoint[@EntryName/string() eq \""+endpointEntryName+"\"]/text()");
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log.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 +", endpointEntryName: "+endpointEntryName+", in scope: "+scope);
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this.endpointValue = endpoints.get(0);
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if(endpointValue==null)
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throw new Exception("Endpoint:"+endpointEntryName+", is null for serviceName: "+serviceName +", serviceClass: " +serviceClass +", in scope: "+scope);
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log.info("found the GCoreEndpoint with serviceName: "+serviceName +", serviceClass: " +serviceClass +", endpointEntryName: "+endpointEntryName+", in the scope: "+scope);
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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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String error = "An error occurred during GCoreEndpoint discovery, serviceName: "+serviceName +", serviceClass: " +serviceClass +", in scope: "+scope +".";
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log.error(error, e);
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throw new Exception(error);
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}finally{
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log.info("scope provider reset");
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ScopeProvider.instance.set(callerProviderScope);
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}
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}
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/**
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* Gets the endpoint entry name.
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*
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* @return the endpointEntryName
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*/
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public String getEndpointEntryName() {
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return endpointEntryName;
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}
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/**
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* Gets the endpoint value.
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*
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* @return the endpointValue
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*/
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public String getEndpointValue() {
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return endpointValue;
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}
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/**
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* Gets the service class.
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*
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* @return the serviceClass
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*/
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public String getServiceClass() {
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return serviceClass;
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}
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/**
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* Gets the service name.
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*
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* @return the serviceName
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*/
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public String getServiceName() {
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return serviceName;
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}
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/* (non-Javadoc)
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* @see java.lang.Object#toString()
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*/
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@Override
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public String toString() {
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StringBuilder builder = new StringBuilder();
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builder.append("GcoreEndpointReader [serviceName=");
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builder.append(serviceName);
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builder.append(", serviceClass=");
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builder.append(serviceClass);
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builder.append(", endpointEntryName=");
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builder.append(endpointEntryName);
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builder.append(", endpointValue=");
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builder.append(endpointValue);
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builder.append("]");
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return builder.toString();
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}
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}
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