Added API to retrieve Resource instances filtering by values of one of the attached facet. Facet type and consistsOf relation can also by specified
git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/information-system/resource-registry@154651 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
parent
033908c253
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7abb718a10
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@ -4,6 +4,7 @@
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package org.gcube.informationsystem.resourceregistry.er.entity;
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import java.util.Iterator;
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import java.util.Map;
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import org.codehaus.jettison.json.JSONArray;
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import org.codehaus.jettison.json.JSONObject;
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@ -14,6 +15,9 @@ import org.gcube.informationsystem.model.relation.IsRelatedTo;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.resource.ResourceAlreadyPresentException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.resource.ResourceNotFoundException;
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import org.gcube.informationsystem.resourceregistry.api.rest.AccessPath;
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import org.gcube.informationsystem.resourceregistry.context.ContextUtility;
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import org.gcube.informationsystem.resourceregistry.context.SecurityContextMapper.PermissionMode;
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import org.gcube.informationsystem.resourceregistry.er.relation.ConsistsOfManagement;
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import org.gcube.informationsystem.resourceregistry.er.relation.IsRelatedToManagement;
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import org.gcube.informationsystem.resourceregistry.er.relation.RelationManagement;
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@ -22,13 +26,17 @@ import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.orientechnologies.orient.core.sql.query.OSQLSynchQuery;
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import com.tinkerpop.blueprints.Direction;
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import com.tinkerpop.blueprints.Edge;
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import com.tinkerpop.blueprints.Element;
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import com.tinkerpop.blueprints.Vertex;
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import com.tinkerpop.blueprints.impls.orient.OrientEdge;
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import com.tinkerpop.blueprints.impls.orient.OrientEdgeType;
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import com.tinkerpop.blueprints.impls.orient.OrientElement;
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import com.tinkerpop.blueprints.impls.orient.OrientGraph;
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import com.tinkerpop.blueprints.impls.orient.OrientVertex;
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import com.tinkerpop.blueprints.impls.orient.OrientVertexType;
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/**
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* @author Luca Frosini (ISTI - CNR)
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@ -228,4 +236,118 @@ public class ResourceManagement extends EntityManagement<Resource> {
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return true;
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}
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public String all(boolean polymorphic, Map<String, String> constraint) throws ResourceRegistryException {
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try {
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orientGraph = ContextUtility
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.getActualSecurityContextGraph(PermissionMode.READER);
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return reallyGetAll(polymorphic, constraint);
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} catch (ResourceRegistryException e) {
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throw e;
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} catch (Exception e) {
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throw new ResourceRegistryException(e);
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} finally {
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if (orientGraph != null) {
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orientGraph.shutdown();
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}
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}
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}
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public String reallyGetAll(boolean polymorphic, Map<String, String> constraint) throws ResourceRegistryException{
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JSONArray jsonArray = new JSONArray();
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String relationType = constraint.get(AccessPath.RELATION_TYPE_PATH_PART);
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constraint.remove(AccessPath.RELATION_TYPE_PATH_PART);
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String facetType = constraint.get(AccessPath.FACET_TYPE_PATH_PART);
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constraint.remove(AccessPath.FACET_TYPE_PATH_PART);
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/*
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* SELECT FROM (TRAVERSE inE('isIdentifiedBy'), outV('EService')
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* FROM (SELECT FROM SoftwareFacet WHERE group='VREManagement' AND name='SmartExecutor'))
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*
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* WHERE @class='EService' // Only is not polymorphic
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*/
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boolean first = true;
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StringBuilder selectStringBuilder = new StringBuilder("SELECT FROM (TRAVERSE inE('");
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selectStringBuilder.append(relationType);
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selectStringBuilder.append("'), outV('");
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selectStringBuilder.append(erType);
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selectStringBuilder.append("') FROM (SELECT FROM ");
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selectStringBuilder.append(facetType);
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for(String key : constraint.keySet()){
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if(first){
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selectStringBuilder.append(" WHERE ");
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first = false;
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}else{
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selectStringBuilder.append(" AND ");
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}
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selectStringBuilder.append(key);
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selectStringBuilder.append("=");
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String value = constraint.get(key).trim();
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selectStringBuilder.append("'");
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selectStringBuilder.append(value);
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selectStringBuilder.append("'");
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}
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selectStringBuilder.append(" ))");
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if(!polymorphic){
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selectStringBuilder.append(" WHERE @class='");
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selectStringBuilder.append(erType);
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selectStringBuilder.append("'");
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}
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String select = selectStringBuilder.toString();
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logger.trace(select);
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OSQLSynchQuery<Element> osqlSynchQuery = new OSQLSynchQuery<Element>(
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select);
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Iterable<Element> elements = orientGraph.command(osqlSynchQuery)
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.execute();
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for(Element element : elements){
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if(polymorphic){
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OrientVertexType orientVertexType = null;
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try {
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OrientElement orientElement = ((OrientElement) element);
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if(orientElement instanceof OrientEdge){
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continue;
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}
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orientVertexType = ((OrientVertex) orientElement).getType();
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}catch (Exception e) {
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String error = String.format("Unable to detect type of %s. This is really strage please contact the administrator.", element.toString());
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logger.error(error, e);
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throw new ResourceRegistryException(error);
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}
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if(orientVertexType.getName().compareTo(erType)!=0){
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if(!orientVertexType.isSubClassOf(erType) ) {
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continue;
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}
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}
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}
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Vertex vertex = (Vertex) element;
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@SuppressWarnings("rawtypes")
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EntityManagement entityManagement = EntityManagement.getEntityManagement(orientGraph, vertex);
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try {
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JSONObject jsonObject = entityManagement.serializeAsJson();
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jsonArray.put(jsonObject);
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}catch (ResourceRegistryException e) {
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logger.error("Unable to correctly serialize {}. It will be excluded from results. This is really strange and should not occur.", vertex.toString());
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}
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}
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return jsonArray.toString();
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}
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}
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@ -1,6 +1,8 @@
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package org.gcube.informationsystem.resourceregistry.rest;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.UUID;
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import javax.ws.rs.DefaultValue;
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@ -10,10 +12,15 @@ import javax.ws.rs.Path;
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import javax.ws.rs.PathParam;
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import javax.ws.rs.Produces;
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import javax.ws.rs.QueryParam;
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import javax.ws.rs.core.Context;
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import javax.ws.rs.core.MultivaluedMap;
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import javax.ws.rs.core.Response;
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import javax.ws.rs.core.Response.Status;
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import javax.ws.rs.core.UriInfo;
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import org.gcube.common.authorization.library.provider.CalledMethodProvider;
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import org.gcube.informationsystem.model.entity.Facet;
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import org.gcube.informationsystem.model.relation.ConsistsOf;
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import org.gcube.informationsystem.resourceregistry.ResourceInitializer;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.er.ERAvailableInAnotherContextException;
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@ -24,6 +31,7 @@ import org.gcube.informationsystem.resourceregistry.api.rest.AccessPath;
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import org.gcube.informationsystem.resourceregistry.api.rest.httputils.HTTPCall.HTTPMETHOD;
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import org.gcube.informationsystem.resourceregistry.er.ERManagement;
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import org.gcube.informationsystem.resourceregistry.er.entity.EntityManagement;
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import org.gcube.informationsystem.resourceregistry.er.entity.ResourceManagement;
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import org.gcube.informationsystem.resourceregistry.er.relation.RelationManagement;
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import org.gcube.informationsystem.resourceregistry.query.Query;
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import org.gcube.informationsystem.resourceregistry.query.QueryImpl;
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@ -214,6 +222,45 @@ public class Access {
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throw new ResourceRegistryException("Invalid Request");
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}
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/*
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* e.g. GET /resource-registry/access/resourceInstances/EService/isIdentifiedBy/SoftwareFacet?polymorphic=true
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*/
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@SuppressWarnings({ "rawtypes" })
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@GET
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@Path(AccessPath.RESOURCE_INSTANCES_PATH_PART + "/" + "{" + TYPE_PATH_PARAM + "}" +
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"/" + "{" + AccessPath.RELATION_TYPE_PATH_PART + "}"+ "/" + "{" + AccessPath.FACET_TYPE_PATH_PART + "}")
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@Produces(ResourceInitializer.APPLICATION_JSON_CHARSET_UTF_8)
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public String getFilteredInstances(
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@PathParam(TYPE_PATH_PARAM) String type,
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@PathParam(AccessPath.RELATION_TYPE_PATH_PART) @DefaultValue(ConsistsOf.NAME) String relationType,
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@PathParam(AccessPath.FACET_TYPE_PATH_PART) @DefaultValue(Facet.NAME) String facetType,
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@QueryParam(AccessPath.POLYMORPHIC_PARAM) @DefaultValue("false") Boolean polymorphic,
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@Context UriInfo uriInfo)
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throws ResourceRegistryException {
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logger.info("Requested {} ({}={}) instances", type,
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AccessPath.POLYMORPHIC_PARAM, polymorphic);
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MultivaluedMap<String, String> multivaluedMap = uriInfo.getQueryParameters();
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Map<String, String> constraint = new HashMap<>();
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for(String key : multivaluedMap.keySet()){
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constraint.put(key, multivaluedMap.getFirst(key));
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}
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constraint.put(AccessPath.RELATION_TYPE_PATH_PART, relationType);
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constraint.put(AccessPath.FACET_TYPE_PATH_PART, facetType);
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ERManagement erManagement = ERManagement.getERManagement(type);
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if (erManagement instanceof ResourceManagement) {
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return ((ResourceManagement) erManagement).all(polymorphic, constraint);
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}
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throw new ResourceRegistryException("Invalid Request");
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}
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/*
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* e.g. GET /resource-registry/access/schema/ContactFacet?polymorphic=true
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*/
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@ -0,0 +1,52 @@
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package org.gcube.informationsystem.resourceregistry.er.entity;
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import java.util.HashMap;
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import java.util.Map;
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import org.gcube.informationsystem.model.entity.facet.SoftwareFacet;
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import org.gcube.informationsystem.model.entity.resource.Service;
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import org.gcube.informationsystem.model.relation.ConsistsOf;
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import org.gcube.informationsystem.resourceregistry.ScopedTest;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
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import org.gcube.informationsystem.resourceregistry.api.rest.AccessPath;
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import org.gcube.informationsystem.resourceregistry.er.ERManagement;
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import org.junit.Test;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class ResourceManagementTest extends ScopedTest {
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private static Logger logger = LoggerFactory.getLogger(ResourceManagementTest.class);
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@Test
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public void testAllWithCostraint() throws ResourceRegistryException {
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String relationType = ConsistsOf.NAME;
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String facetType = SoftwareFacet.NAME;
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Map<String, String> constraint = new HashMap<>();
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constraint.put(AccessPath.RELATION_TYPE_PATH_PART, relationType);
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constraint.put(AccessPath.FACET_TYPE_PATH_PART, facetType);
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constraint.put(SoftwareFacet.GROUP_PROPERTY, "Gis");
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constraint.put(SoftwareFacet.NAME_PROPERTY, "Thredds");
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String type = Service.NAME;
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@SuppressWarnings("rawtypes")
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ERManagement erManagement = ERManagement.getERManagement(type);
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if (erManagement instanceof ResourceManagement) {
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String ret = ((ResourceManagement) erManagement).all(false, constraint);
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logger.debug(ret);
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constraint.put(AccessPath.RELATION_TYPE_PATH_PART, relationType);
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constraint.put(AccessPath.FACET_TYPE_PATH_PART, facetType);
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ret = ((ResourceManagement) erManagement).all(true, constraint);
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logger.debug(ret);
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}
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}
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}
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