2016-12-19 14:59:27 +01:00
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/**
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*
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*/
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2016-12-27 11:27:01 +01:00
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package org.gcube.informationsystem.resourceregistry.er.relation;
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2016-12-19 14:59:27 +01:00
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2017-01-12 11:13:09 +01:00
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import java.util.ArrayList;
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2016-12-19 14:59:27 +01:00
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import java.util.Iterator;
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2017-01-12 11:13:09 +01:00
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import java.util.List;
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2016-12-19 14:59:27 +01:00
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import java.util.UUID;
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2017-01-11 12:06:50 +01:00
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import org.codehaus.jettison.json.JSONArray;
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2016-12-19 16:25:29 +01:00
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import org.codehaus.jettison.json.JSONException;
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2016-12-19 14:59:27 +01:00
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import org.codehaus.jettison.json.JSONObject;
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2016-12-20 16:51:57 +01:00
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import org.gcube.informationsystem.model.embedded.PropagationConstraint;
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2016-12-20 18:36:17 +01:00
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import org.gcube.informationsystem.model.embedded.PropagationConstraint.AddConstraint;
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2016-12-20 16:51:57 +01:00
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import org.gcube.informationsystem.model.embedded.PropagationConstraint.RemoveConstraint;
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2016-12-19 14:59:27 +01:00
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import org.gcube.informationsystem.model.entity.Entity;
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import org.gcube.informationsystem.model.entity.Facet;
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import org.gcube.informationsystem.model.entity.Resource;
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import org.gcube.informationsystem.model.relation.ConsistsOf;
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import org.gcube.informationsystem.model.relation.IsRelatedTo;
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import org.gcube.informationsystem.model.relation.Relation;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.context.ContextException;
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import org.gcube.informationsystem.resourceregistry.api.exceptions.relation.RelationNotFoundException;
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2016-12-22 17:33:10 +01:00
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import org.gcube.informationsystem.resourceregistry.context.ContextUtility;
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2016-12-19 14:59:27 +01:00
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import org.gcube.informationsystem.resourceregistry.context.SecurityContextMapper.PermissionMode;
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2016-12-27 11:27:01 +01:00
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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.FacetManagement;
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import org.gcube.informationsystem.resourceregistry.er.entity.ResourceManagement;
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2016-12-22 17:27:26 +01:00
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import org.gcube.informationsystem.resourceregistry.utils.HeaderUtility;
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import org.gcube.informationsystem.resourceregistry.utils.Utility;
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2016-12-19 14:59:27 +01:00
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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.tinkerpop.blueprints.Direction;
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import com.tinkerpop.blueprints.Edge;
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import com.tinkerpop.blueprints.Vertex;
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import com.tinkerpop.blueprints.impls.orient.OrientBaseGraph;
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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.OrientGraph;
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/**
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* @author Luca Frosini (ISTI - CNR)
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*
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*/
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@SuppressWarnings("rawtypes")
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2016-12-30 17:31:12 +01:00
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public abstract class RelationManagement<R extends Relation> extends ERManagement<R, Edge> {
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2016-12-19 14:59:27 +01:00
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private static Logger logger = LoggerFactory
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.getLogger(RelationManagement.class);
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protected final Class<? extends Entity> targetEntityClass;
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protected RelationManagement(Class<R> relationClass) {
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2016-12-30 17:31:12 +01:00
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super(relationClass);
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2016-12-19 14:59:27 +01:00
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this.ignoreKeys.add(Relation.HEADER_PROPERTY);
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this.ignoreKeys.add(Relation.TARGET_PROPERTY);
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this.ignoreKeys.add(Relation.SOURCE_PROPERTY);
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this.ignoreKeys.add(OrientBaseGraph.CONNECTION_IN.toLowerCase());
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this.ignoreKeys.add(OrientBaseGraph.CONNECTION_OUT.toLowerCase());
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this.ignoreKeys.add(OrientBaseGraph.CONNECTION_IN.toUpperCase());
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this.ignoreKeys.add(OrientBaseGraph.CONNECTION_OUT.toUpperCase());
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if (ConsistsOf.class.isAssignableFrom(relationClass)) {
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this.baseType = ConsistsOf.NAME;
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this.targetEntityClass = Facet.class;
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} else if (IsRelatedTo.class.isAssignableFrom(relationClass)) {
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this.baseType = IsRelatedTo.NAME;
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this.targetEntityClass = Resource.class;
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} else {
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this.baseType = Relation.NAME;
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this.targetEntityClass = Resource.class;
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}
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}
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protected RelationManagement(Class<R> relationClass, OrientGraph orientGraph) {
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this(relationClass);
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this.orientGraph = orientGraph;
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}
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2017-01-12 11:13:09 +01:00
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@Override
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2016-12-19 14:59:27 +01:00
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public String serialize() throws ResourceRegistryException {
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2016-12-19 16:25:29 +01:00
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return serializeAsJson().toString();
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2016-12-19 14:59:27 +01:00
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}
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2017-01-12 11:13:09 +01:00
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@Override
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2016-12-19 14:59:27 +01:00
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public JSONObject serializeAsJson() throws ResourceRegistryException {
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2017-01-12 11:13:09 +01:00
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return serializeAsJson(false);
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}
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public JSONObject serializeAsJson(boolean inverse) throws ResourceRegistryException {
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2016-12-30 17:31:12 +01:00
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JSONObject ret = Utility.toJsonObject((OrientEdge) getElement(), false);
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2016-12-19 16:25:29 +01:00
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2017-01-12 11:13:09 +01:00
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Direction direction = Direction.IN;
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String property = Relation.TARGET_PROPERTY;
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if(inverse){
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direction = Direction.OUT;
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property = Relation.SOURCE_PROPERTY;
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}
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Vertex vertex = element.getVertex(direction);
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2016-12-19 16:25:29 +01:00
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EntityManagement entityManagement = EntityManagement
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.getEntityManagement(orientGraph, vertex);
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try {
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2017-01-12 11:13:09 +01:00
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ret.put(property,
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2016-12-19 16:25:29 +01:00
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entityManagement.serializeAsJson());
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} catch (JSONException e) {
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new ResourceRegistryException(e);
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}
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return ret;
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2016-12-19 14:59:27 +01:00
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}
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2017-01-12 11:13:09 +01:00
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2016-12-19 14:59:27 +01:00
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public Edge reallyCreate(UUID sourceUUID, UUID targetUUID)
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throws ResourceRegistryException {
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ResourceManagement srmSource = new ResourceManagement(orientGraph);
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srmSource.setUUID(sourceUUID);
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2016-12-30 17:31:12 +01:00
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Vertex source = srmSource.getElement();
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2016-12-19 14:59:27 +01:00
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2016-12-19 16:25:29 +01:00
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EntityManagement entityManagement = getEntityManagement();
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entityManagement.setUUID(targetUUID);
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2016-12-30 17:31:12 +01:00
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Vertex target = (Vertex) entityManagement.getElement();
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2016-12-19 14:59:27 +01:00
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return reallyCreate(source, target);
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}
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protected Edge reallyCreate(Vertex source, Vertex target)
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throws ResourceRegistryException {
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2016-12-20 18:36:17 +01:00
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EntityManagement sourceEntityManagement = EntityManagement
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.getEntityManagement(orientGraph, source);
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EntityManagement targetEntityManagement = EntityManagement
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.getEntityManagement(orientGraph, target);
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if (!(sourceEntityManagement instanceof ResourceManagement)) {
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String error = String.format(
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"Any type of %s can have only a %s as %s. "
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+ "Cannot instatiate %s beetween %s -> %s ",
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Relation.NAME, Resource.NAME, Relation.SOURCE_PROPERTY,
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2016-12-30 17:31:12 +01:00
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erType, sourceEntityManagement.serialize(),
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2016-12-20 18:36:17 +01:00
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targetEntityManagement.serialize());
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throw new ResourceRegistryException(error);
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}
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if (this instanceof IsRelatedToManagement) {
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if (!(targetEntityManagement instanceof ResourceManagement)) {
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String error = String.format("A %s can have only a %s as %s. "
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+ "Cannot instatiate %s beetween %s -> %s ", baseType,
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2016-12-30 17:31:12 +01:00
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Resource.NAME, Relation.TARGET_PROPERTY, erType,
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2016-12-20 18:36:17 +01:00
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sourceEntityManagement.serialize(),
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targetEntityManagement.serialize());
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throw new ResourceRegistryException(error);
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}
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} else if (this instanceof ConsistsOfManagement) {
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if (!(targetEntityManagement instanceof FacetManagement)) {
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String error = String.format("A %s can have only a %s as %s. "
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+ "Cannot instatiate %s beetween %s -> %s ", baseType,
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2016-12-30 17:31:12 +01:00
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Facet.NAME, Relation.TARGET_PROPERTY, erType,
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2016-12-20 18:36:17 +01:00
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sourceEntityManagement.serialize(),
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targetEntityManagement.serialize());
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throw new ResourceRegistryException(error);
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}
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} else {
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String error = String.format("{%s is not a %s nor a %s. "
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+ "This is really strange and should not occur. "
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+ "Please Investigate it.", this,
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IsRelatedToManagement.class.getSimpleName(),
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ConsistsOfManagement.class.getSimpleName());
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throw new ResourceRegistryException(error);
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}
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2016-12-30 17:31:12 +01:00
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logger.trace("Creating {} beetween {} -> {}", erType,
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2016-12-20 18:36:17 +01:00
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sourceEntityManagement.serialize(),
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targetEntityManagement.serialize());
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2016-12-19 14:59:27 +01:00
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2016-12-30 17:31:12 +01:00
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element = orientGraph.addEdge(null, source, target, erType);
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2016-12-19 14:59:27 +01:00
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2016-12-30 17:31:12 +01:00
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ERManagement.updateProperties(element, jsonNode, ignoreKeys,
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2016-12-19 14:59:27 +01:00
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ignoreStartWithKeys);
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2016-12-30 17:31:12 +01:00
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HeaderUtility.addHeader(element, null);
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ContextUtility.addToActualContext(orientGraph, element);
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2016-12-19 14:59:27 +01:00
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2016-12-30 17:31:12 +01:00
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((OrientEdge) element).save();
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2016-12-19 14:59:27 +01:00
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2016-12-30 17:31:12 +01:00
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logger.info("{} successfully created", erType);
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2016-12-19 14:59:27 +01:00
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2016-12-30 17:31:12 +01:00
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return element;
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2016-12-19 14:59:27 +01:00
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}
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public Edge reallyCreate(Vertex source) throws ResourceRegistryException {
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Vertex target = null;
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EntityManagement entityManagement = getEntityManagement();
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if (!jsonNode.has(Relation.TARGET_PROPERTY)) {
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throw new ResourceRegistryException(
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"Error while creating relation. No target definition found");
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}
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entityManagement.setJSON(jsonNode.get(Relation.TARGET_PROPERTY));
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try {
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2016-12-30 17:31:12 +01:00
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target = (Vertex) entityManagement.getElement();
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2016-12-19 14:59:27 +01:00
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} catch (Exception e) {
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target = entityManagement.reallyCreate();
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}
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return reallyCreate(source, target);
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}
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public Edge reallyCreate(UUID sourceUUID) throws ResourceRegistryException {
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ResourceManagement srmSource = new ResourceManagement(orientGraph);
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srmSource.setUUID(sourceUUID);
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2016-12-30 17:31:12 +01:00
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Vertex source = srmSource.getElement();
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2016-12-19 14:59:27 +01:00
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return reallyCreate(source);
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}
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public Edge reallyUpdate() throws ResourceRegistryException {
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2016-12-30 17:31:12 +01:00
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logger.debug("Trying to update {} : {}", erType, jsonNode);
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2016-12-19 14:59:27 +01:00
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2016-12-30 17:31:12 +01:00
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Edge edge = getElement();
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2016-12-20 18:36:17 +01:00
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ERManagement.updateProperties(edge, jsonNode, ignoreKeys, ignoreStartWithKeys);
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2016-12-19 14:59:27 +01:00
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2017-01-11 18:00:21 +01:00
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if (ConsistsOf.class.isAssignableFrom(erTypeClass)) {
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2016-12-19 14:59:27 +01:00
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JsonNode target = jsonNode.get(Relation.TARGET_PROPERTY);
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if (target != null) {
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FacetManagement fm = new FacetManagement(orientGraph);
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fm.setJSON(target);
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fm.reallyUpdate();
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}
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}
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2016-12-30 17:31:12 +01:00
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logger.info("{} {} successfully updated", erType, jsonNode);
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2016-12-19 14:59:27 +01:00
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return edge;
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}
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public boolean reallyAddToContext() throws ContextException,
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ResourceRegistryException {
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2016-12-30 17:31:12 +01:00
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getElement();
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2016-12-27 15:31:39 +01:00
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2016-12-20 18:36:17 +01:00
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AddConstraint addConstraint = AddConstraint.unpropagate;
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2016-12-19 14:59:27 +01:00
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2016-12-20 18:36:17 +01:00
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try {
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PropagationConstraint propagationConstraint = Utility.getEmbedded(
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2016-12-30 17:31:12 +01:00
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PropagationConstraint.class, element,
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2016-12-20 18:36:17 +01:00
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Relation.PROPAGATION_CONSTRAINT);
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if (propagationConstraint.getAddConstraint() != null) {
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addConstraint = propagationConstraint.getAddConstraint();
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}
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} catch (Exception e) {
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logger.warn("Error while getting {} from {}. Assuming {}. "
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+ "This is really strange and should not occur. "
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+ "Please Investigate it.",
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Relation.PROPAGATION_CONSTRAINT,
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2016-12-30 17:31:12 +01:00
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Utility.toJsonString(element, true), addConstraint);
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2016-12-20 18:36:17 +01:00
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}
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2016-12-30 17:31:12 +01:00
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Vertex target = element.getVertex(Direction.IN);
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2016-12-20 18:36:17 +01:00
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switch (addConstraint) {
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2016-12-27 15:31:39 +01:00
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case propagate:
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/*
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* The relation must be added only in the case the target vertex
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* must be added. Otherwise we have a relation which point
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* to an entity outside of the context.
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*/
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2016-12-30 17:31:12 +01:00
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ContextUtility.addToActualContext(orientGraph, getElement());
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2016-12-27 15:31:39 +01:00
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EntityManagement entityManagement = EntityManagement
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.getEntityManagement(orientGraph, target);
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entityManagement.reallyAddToContext();
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break;
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case unpropagate:
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break;
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default:
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break;
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2016-12-20 18:36:17 +01:00
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}
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2016-12-19 14:59:27 +01:00
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return true;
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}
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2016-12-20 18:36:17 +01:00
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protected boolean removeFromContextTargetVertex(Vertex target)
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throws ResourceRegistryException {
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EntityManagement entityManagement = EntityManagement
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.getEntityManagement(orientGraph, target);
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if (entityManagement != null) {
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entityManagement.reallyRemoveFromContext();
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return true;
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} else {
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return false;
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}
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}
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2016-12-19 14:59:27 +01:00
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public boolean reallyRemoveFromContext() throws ContextException,
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ResourceRegistryException {
|
2016-12-30 17:31:12 +01:00
|
|
|
getElement();
|
2016-12-20 18:36:17 +01:00
|
|
|
|
|
|
|
RemoveConstraint removeConstraint = RemoveConstraint.keep;
|
|
|
|
|
|
|
|
try {
|
|
|
|
PropagationConstraint propagationConstraint = Utility.getEmbedded(
|
2016-12-30 17:31:12 +01:00
|
|
|
PropagationConstraint.class, element,
|
2016-12-20 18:36:17 +01:00
|
|
|
Relation.PROPAGATION_CONSTRAINT);
|
|
|
|
if (propagationConstraint.getRemoveConstraint() != null) {
|
|
|
|
removeConstraint = propagationConstraint.getRemoveConstraint();
|
|
|
|
}
|
|
|
|
} catch (Exception e) {
|
|
|
|
logger.warn("Error while getting {} from {}. Assuming {}. "
|
|
|
|
+ "This is really strange and should not occur. "
|
|
|
|
+ "Please Investigate it.",
|
|
|
|
Relation.PROPAGATION_CONSTRAINT,
|
2016-12-30 17:31:12 +01:00
|
|
|
Utility.toJsonString(element, true), removeConstraint);
|
2016-12-20 18:36:17 +01:00
|
|
|
}
|
|
|
|
|
2016-12-30 17:31:12 +01:00
|
|
|
Vertex target = element.getVertex(Direction.IN);
|
2016-12-27 15:31:39 +01:00
|
|
|
|
|
|
|
/*
|
|
|
|
* In any removeConstraint value the relation MUSt be removed from
|
|
|
|
* context to avoid to have edge having a source outside of the context.
|
|
|
|
*/
|
2016-12-30 17:31:12 +01:00
|
|
|
ContextUtility.removeFromActualContext(orientGraph, element);
|
2016-12-20 18:36:17 +01:00
|
|
|
|
|
|
|
switch (removeConstraint) {
|
2016-12-27 15:31:39 +01:00
|
|
|
case cascade:
|
2016-12-20 18:36:17 +01:00
|
|
|
removeFromContextTargetVertex(target);
|
2016-12-27 15:31:39 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case cascadeWhenOrphan:
|
|
|
|
Iterable<Edge> iterable = target.getEdges(Direction.IN);
|
|
|
|
Iterator<Edge> iterator = iterable.iterator();
|
|
|
|
if (iterator.hasNext()) {
|
|
|
|
logger.trace(
|
|
|
|
"{} point to {} which is not orphan. Giving {} directive, it will be not remove from current context.",
|
2016-12-30 17:31:12 +01:00
|
|
|
element, target, removeConstraint);
|
2016-12-27 15:31:39 +01:00
|
|
|
} else {
|
|
|
|
removeFromContextTargetVertex(target);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case keep:
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
2016-12-20 18:36:17 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
2016-12-19 14:59:27 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
protected EntityManagement getEntityManagement()
|
|
|
|
throws ResourceRegistryException {
|
|
|
|
EntityManagement entityManagement;
|
2017-01-11 18:00:21 +01:00
|
|
|
if (ConsistsOf.class.isAssignableFrom(erTypeClass)) {
|
2016-12-19 14:59:27 +01:00
|
|
|
entityManagement = new FacetManagement(orientGraph);
|
2017-01-11 18:00:21 +01:00
|
|
|
} else if (IsRelatedTo.class.isAssignableFrom(erTypeClass)) {
|
2016-12-19 14:59:27 +01:00
|
|
|
entityManagement = new ResourceManagement(orientGraph);
|
|
|
|
} else {
|
|
|
|
String error = String.format("{%s is not a %s nor a %s. "
|
|
|
|
+ "This is really strange ad should not occur. "
|
2017-01-11 18:00:21 +01:00
|
|
|
+ "Please Investigate it.", erTypeClass, ConsistsOf.NAME,
|
2016-12-19 14:59:27 +01:00
|
|
|
IsRelatedTo.NAME);
|
|
|
|
throw new ResourceRegistryException(error);
|
|
|
|
}
|
|
|
|
return entityManagement;
|
|
|
|
}
|
|
|
|
|
2016-12-30 17:31:12 +01:00
|
|
|
@SuppressWarnings("unchecked")
|
2016-12-19 14:59:27 +01:00
|
|
|
public static RelationManagement getRelationManagement(
|
|
|
|
OrientGraph orientGraph, Edge edge)
|
|
|
|
throws ResourceRegistryException {
|
|
|
|
OrientEdgeType orientEdgeType = ((OrientEdge) edge).getType();
|
|
|
|
RelationManagement relationManagement = null;
|
|
|
|
if (orientEdgeType.isSubClassOf(ConsistsOf.NAME)) {
|
|
|
|
relationManagement = new ConsistsOfManagement(orientGraph);
|
|
|
|
} else if (orientEdgeType.isSubClassOf(IsRelatedTo.NAME)) {
|
|
|
|
relationManagement = new IsRelatedToManagement(orientGraph);
|
|
|
|
} else {
|
|
|
|
String error = String.format("{%s is not a %s nor a %s. "
|
|
|
|
+ "This is really strange ad should not occur. "
|
|
|
|
+ "Please Investigate it.", edge, ConsistsOf.NAME,
|
|
|
|
IsRelatedTo.NAME);
|
|
|
|
throw new ResourceRegistryException(error);
|
|
|
|
}
|
2016-12-30 17:31:12 +01:00
|
|
|
relationManagement.setElement(edge);
|
2016-12-19 14:59:27 +01:00
|
|
|
return relationManagement;
|
|
|
|
}
|
|
|
|
|
|
|
|
protected boolean deleteTargetVertex(Vertex target)
|
|
|
|
throws ResourceRegistryException {
|
|
|
|
EntityManagement entityManagement = EntityManagement
|
|
|
|
.getEntityManagement(orientGraph, target);
|
|
|
|
if (entityManagement != null) {
|
|
|
|
entityManagement.reallyDelete();
|
|
|
|
return true;
|
|
|
|
} else {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public boolean reallyDelete() throws RelationNotFoundException,
|
|
|
|
ResourceRegistryException {
|
2016-12-30 17:31:12 +01:00
|
|
|
logger.debug(
|
|
|
|
"Going to remove {} with UUID {}. Related {}s will be detached.",
|
|
|
|
baseType, uuid, targetEntityClass.getSimpleName());
|
|
|
|
|
|
|
|
getElement();
|
2016-12-19 14:59:27 +01:00
|
|
|
|
2016-12-20 16:51:57 +01:00
|
|
|
RemoveConstraint removeConstraint = RemoveConstraint.keep;
|
2016-12-19 14:59:27 +01:00
|
|
|
|
|
|
|
try {
|
2016-12-20 16:51:57 +01:00
|
|
|
PropagationConstraint propagationConstraint = Utility.getEmbedded(
|
2016-12-30 17:31:12 +01:00
|
|
|
PropagationConstraint.class, element,
|
2016-12-20 18:36:17 +01:00
|
|
|
Relation.PROPAGATION_CONSTRAINT);
|
|
|
|
if (propagationConstraint.getRemoveConstraint() != null) {
|
2016-12-20 16:51:57 +01:00
|
|
|
removeConstraint = propagationConstraint.getRemoveConstraint();
|
|
|
|
}
|
2016-12-19 14:59:27 +01:00
|
|
|
} catch (Exception e) {
|
|
|
|
logger.warn("Error while getting {} from {}. Assuming {}. "
|
2016-12-20 16:51:57 +01:00
|
|
|
+ "This is really strange and should not occur. "
|
2016-12-19 14:59:27 +01:00
|
|
|
+ "Please Investigate it.",
|
2016-12-20 16:51:57 +01:00
|
|
|
Relation.PROPAGATION_CONSTRAINT,
|
2016-12-30 17:31:12 +01:00
|
|
|
Utility.toJsonString(element, true), removeConstraint);
|
2016-12-19 14:59:27 +01:00
|
|
|
}
|
|
|
|
|
2016-12-30 17:31:12 +01:00
|
|
|
Vertex target = element.getVertex(Direction.IN);
|
|
|
|
element.remove();
|
2016-12-19 14:59:27 +01:00
|
|
|
|
2016-12-20 16:51:57 +01:00
|
|
|
switch (removeConstraint) {
|
2016-12-30 17:31:12 +01:00
|
|
|
case cascade:
|
2016-12-19 14:59:27 +01:00
|
|
|
deleteTargetVertex(target);
|
2016-12-30 17:31:12 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case cascadeWhenOrphan:
|
|
|
|
Iterable<Edge> iterable = target.getEdges(Direction.IN);
|
|
|
|
Iterator<Edge> iterator = iterable.iterator();
|
|
|
|
if (iterator.hasNext()) {
|
|
|
|
logger.trace(
|
|
|
|
"{} point to {} which is not orphan. Giving {} directive, it will be keep.",
|
|
|
|
element, target, removeConstraint);
|
|
|
|
} else {
|
|
|
|
deleteTargetVertex(target);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case keep:
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
break;
|
2016-12-19 14:59:27 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
public String create(UUID sourceUUID, UUID targetUUID)
|
|
|
|
throws ResourceRegistryException {
|
|
|
|
try {
|
2016-12-19 16:25:29 +01:00
|
|
|
orientGraph = ContextUtility
|
|
|
|
.getActualSecurityContextGraph(PermissionMode.WRITER);
|
2016-12-19 14:59:27 +01:00
|
|
|
|
2016-12-30 17:31:12 +01:00
|
|
|
element = reallyCreate(sourceUUID, targetUUID);
|
2016-12-19 14:59:27 +01:00
|
|
|
|
|
|
|
orientGraph.commit();
|
|
|
|
|
|
|
|
return serialize();
|
|
|
|
|
|
|
|
} catch (ResourceRegistryException e) {
|
|
|
|
if (orientGraph != null) {
|
|
|
|
orientGraph.rollback();
|
|
|
|
}
|
|
|
|
throw e;
|
|
|
|
} catch (Exception e) {
|
|
|
|
if (orientGraph != null) {
|
|
|
|
orientGraph.rollback();
|
|
|
|
}
|
|
|
|
throw new ResourceRegistryException(e);
|
|
|
|
} finally {
|
|
|
|
if (orientGraph != null) {
|
|
|
|
orientGraph.shutdown();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2017-01-11 12:06:50 +01:00
|
|
|
|
2017-01-12 11:13:09 +01:00
|
|
|
protected List<JSONObject> serializeEdges(Iterable<Edge> edges, boolean postFilterPolymorphic, boolean inverse) throws ResourceRegistryException{
|
|
|
|
List<JSONObject> list = new ArrayList<>();
|
2017-01-11 12:06:50 +01:00
|
|
|
for(Edge edge : edges){
|
2017-01-12 11:13:09 +01:00
|
|
|
if(postFilterPolymorphic && edge.getLabel().compareTo(erType)!=0){
|
|
|
|
continue;
|
|
|
|
}
|
2017-01-11 12:06:50 +01:00
|
|
|
RelationManagement relationManagement = getRelationManagement(orientGraph, edge);
|
2017-01-12 11:13:09 +01:00
|
|
|
JSONObject jsonObject = relationManagement.serializeAsJson(inverse);
|
|
|
|
list.add(jsonObject);
|
2017-01-11 12:06:50 +01:00
|
|
|
}
|
2017-01-12 11:13:09 +01:00
|
|
|
return list;
|
|
|
|
}
|
|
|
|
|
|
|
|
protected String serializeJSONObjectList(List<JSONObject> list){
|
|
|
|
JSONArray jsonArray = new JSONArray(list);
|
2017-01-11 12:06:50 +01:00
|
|
|
return jsonArray.toString();
|
|
|
|
}
|
|
|
|
|
2017-01-12 11:13:09 +01:00
|
|
|
|
2017-01-11 12:06:50 +01:00
|
|
|
@Override
|
|
|
|
public String reallyGetAll(boolean polymorphic) throws ResourceRegistryException {
|
2017-01-11 17:11:28 +01:00
|
|
|
Iterable<Edge> edges = orientGraph.getEdgesOfClass(erType, polymorphic);
|
2017-01-12 11:13:09 +01:00
|
|
|
List<JSONObject> list = serializeEdges(edges, false, false);
|
|
|
|
return serializeJSONObjectList(list);
|
2017-01-11 12:06:50 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
public String reallyGetAllFrom(UUID uuid, Direction direction, boolean polymorphic) throws ResourceRegistryException {
|
|
|
|
EntityManagement entityManagement = null;
|
|
|
|
try {
|
|
|
|
entityManagement = (EntityManagement) ERManagement.getERManagementFromUUID(orientGraph, uuid);
|
|
|
|
}catch(ResourceRegistryException e) {
|
|
|
|
throw e;
|
|
|
|
}catch (Exception e) {
|
|
|
|
throw new ResourceRegistryException(String.format("Provided UUID %s does not belogn to any %s", uuid.toString(), Entity.NAME));
|
|
|
|
}
|
|
|
|
|
|
|
|
Vertex vertex = (Vertex) entityManagement.getElement();
|
|
|
|
|
2017-01-12 11:13:09 +01:00
|
|
|
List<JSONObject> list = new ArrayList<>();
|
|
|
|
|
|
|
|
if(direction.equals(Direction.BOTH) || direction.equals(Direction.OUT)){
|
|
|
|
Iterable<Edge> edges = vertex.getEdges(Direction.OUT, erType);
|
|
|
|
list.addAll(serializeEdges(edges, !polymorphic, false));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if(direction.equals(Direction.BOTH) || direction.equals(Direction.IN)){
|
|
|
|
Iterable<Edge> edges = vertex.getEdges(Direction.IN, erType);
|
|
|
|
list.addAll(serializeEdges(edges, !polymorphic, true));
|
|
|
|
}
|
|
|
|
|
|
|
|
return serializeJSONObjectList(list);
|
|
|
|
|
2017-01-11 12:06:50 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
public String allFrom(UUID uuid, Direction direction, boolean polymorphic) throws ResourceRegistryException {
|
|
|
|
try {
|
|
|
|
orientGraph = ContextUtility
|
|
|
|
.getActualSecurityContextGraph(PermissionMode.READER);
|
|
|
|
|
|
|
|
return reallyGetAllFrom(uuid, direction, polymorphic);
|
|
|
|
} catch (ResourceRegistryException e) {
|
|
|
|
throw e;
|
|
|
|
} catch (Exception e) {
|
|
|
|
throw new ResourceRegistryException(e);
|
|
|
|
} finally {
|
|
|
|
if (orientGraph != null) {
|
|
|
|
orientGraph.shutdown();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-12-19 14:59:27 +01:00
|
|
|
|
|
|
|
}
|