/* * Data Hub Service (DHuS) - For Space data distribution. * Copyright (C) 2013,2014,2015 GAEL Systems * * This file is part of DHuS software sources. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package fr.gael.dhus.olingo.v1.entityset; import fr.gael.dhus.olingo.v1.Expander; import fr.gael.dhus.olingo.v1.Model; import fr.gael.dhus.olingo.v1.entity.AbstractEntity; import fr.gael.dhus.olingo.v1.entity.Node; import java.util.ArrayList; import java.util.List; import java.util.Map; import org.apache.olingo.odata2.api.edm.EdmMultiplicity; import org.apache.olingo.odata2.api.edm.EdmSimpleTypeKind; import org.apache.olingo.odata2.api.edm.FullQualifiedName; import org.apache.olingo.odata2.api.edm.provider.Association; import org.apache.olingo.odata2.api.edm.provider.AssociationEnd; import org.apache.olingo.odata2.api.edm.provider.AssociationSet; import org.apache.olingo.odata2.api.edm.provider.AssociationSetEnd; import org.apache.olingo.odata2.api.edm.provider.EntityType; import org.apache.olingo.odata2.api.edm.provider.NavigationProperty; import org.apache.olingo.odata2.api.edm.provider.SimpleProperty; public class NodeEntitySet extends AbstractEntitySet<Node> { public static final String ENTITY_NAME = "Node"; // Entity keys public static final String CHILDREN_NUMBER = "ChildrenNumber"; public static final String VALUE = "Value"; public static final String PATH = "Path"; public static final FullQualifiedName ASSO_NODE_NODE = new FullQualifiedName(Model.NAMESPACE, "Node_Node"); public static final String ROLE_NODE_NODES = "Node_Nodes"; // many public static final String ROLE_NODE_PARENT = "Node_Node"; // 1 public static final FullQualifiedName ASSO_NODE_CLASS = new FullQualifiedName(Model.NAMESPACE, "Node_Class"); public static final String ROLE_NODE_CLASS = "Node_Class"; // 1 public static final String ROLE_CLASS_NODES = "Class_Nodes"; // 1 public static final FullQualifiedName ASSO_NODE_ATTRIBUTE = new FullQualifiedName(Model.NAMESPACE, "Node_Attribute"); public static final String ROLE_NODE_ATTRIBUTES = "Node_Attributes"; // many public static final String ROLE_ATTRIBUTE_NODE = "Attribute_Node"; // 1 @Override public String getEntityName () { return ENTITY_NAME; } @Override public EntityType getEntityType () { EntityType res = Model.ITEM.getEntityType(); res.getProperties ().add ( new SimpleProperty ().setName (CHILDREN_NUMBER).setType ( EdmSimpleTypeKind.Int64)); res.getProperties ().add ( new SimpleProperty ().setName (VALUE).setType ( EdmSimpleTypeKind.String)); // Navigation Properties List<NavigationProperty> navigationProperties = new ArrayList<NavigationProperty> (); // TODO (OData v3) setContainsTarget(true) navigationProperties.add (new NavigationProperty ().setName (getName ()) .setRelationship (ASSO_NODE_NODE).setFromRole (ROLE_NODE_PARENT) .setToRole (ROLE_NODE_NODES)); navigationProperties.add (new NavigationProperty () .setName(Model.ATTRIBUTE.getName()) .setRelationship (ASSO_NODE_ATTRIBUTE) .setFromRole (ROLE_ATTRIBUTE_NODE).setToRole (ROLE_NODE_ATTRIBUTES)); navigationProperties.add (new NavigationProperty () .setName ("Class") .setRelationship (ASSO_NODE_CLASS) .setFromRole (ROLE_CLASS_NODES) .setToRole (ROLE_NODE_CLASS)); // TODO (OData v3) setAbstract(true) setBaseType(ENTITY_ITEM) return res.setName (ENTITY_NAME) .setNavigationProperties (navigationProperties).setHasStream (true); } @Override public List<AssociationSet> getAssociationSets () { List<AssociationSet> associationSets = new ArrayList<AssociationSet> (); associationSets.add (new AssociationSet () .setName (ASSO_NODE_NODE.getName ()) .setAssociation (ASSO_NODE_NODE) .setEnd1 ( new AssociationSetEnd ().setRole (ROLE_NODE_NODES).setEntitySet ( getName ())) .setEnd2 ( new AssociationSetEnd ().setRole (ROLE_NODE_PARENT).setEntitySet ( getName ()))); associationSets.add (new AssociationSet () .setName (ASSO_NODE_ATTRIBUTE.getName ()) .setAssociation (ASSO_NODE_ATTRIBUTE) .setEnd1 ( new AssociationSetEnd ().setRole (ROLE_NODE_ATTRIBUTES) .setEntitySet(Model.ATTRIBUTE.getName())) .setEnd2 ( new AssociationSetEnd ().setRole (ROLE_ATTRIBUTE_NODE) .setEntitySet (getName ()))); associationSets.add (new AssociationSet () .setName (ASSO_NODE_CLASS.getName ()) .setAssociation (ASSO_NODE_CLASS) .setEnd1 ( new AssociationSetEnd ().setRole (ROLE_NODE_CLASS) .setEntitySet(Model.CLASS.getName())) .setEnd2 ( new AssociationSetEnd ().setRole (ROLE_CLASS_NODES) .setEntitySet (getName ()))); return associationSets; } @Override public List<Association> getAssociations () { List<Association> associations = new ArrayList<Association> (); associations.add (new Association () .setName (ASSO_NODE_NODE.getName ()) .setEnd1 ( new AssociationEnd ().setType (getFullQualifiedName ()) .setRole (ROLE_NODE_NODES) .setMultiplicity (EdmMultiplicity.MANY)) .setEnd2 ( new AssociationEnd ().setType (getFullQualifiedName ()) .setRole (ROLE_NODE_PARENT) .setMultiplicity (EdmMultiplicity.ZERO_TO_ONE))); associations.add (new Association () .setName (ASSO_NODE_ATTRIBUTE.getName ()) .setEnd1 ( new AssociationEnd () .setType(Model.ATTRIBUTE.getFullQualifiedName()) .setRole (ROLE_NODE_ATTRIBUTES) .setMultiplicity (EdmMultiplicity.MANY)) .setEnd2 ( new AssociationEnd ().setType (getFullQualifiedName ()) .setRole (ROLE_ATTRIBUTE_NODE) .setMultiplicity (EdmMultiplicity.ONE))); associations.add (new Association () .setName (ASSO_NODE_CLASS.getName ()) .setEnd1 ( new AssociationEnd () .setType(Model.CLASS.getFullQualifiedName()) .setRole (ROLE_NODE_CLASS) .setMultiplicity (EdmMultiplicity.ONE)) .setEnd2 ( new AssociationEnd ().setType (getFullQualifiedName ()) .setRole (ROLE_CLASS_NODES) .setMultiplicity (EdmMultiplicity.MANY))); return associations; } @Override public boolean isTopLevel() { return false; } @Override public List<String> getExpandableNavLinkNames() { List<String> res = new ArrayList<>(super.getExpandableNavLinkNames()); res.add("Attributes"); res.add("Nodes"); return res; } @Override public List<Map<String, Object>> expand(String navlink_name, String self_url, Map<?, AbstractEntity> entities, Map<String, Object> key) { return Expander.expandFeedSingletonKey(navlink_name, self_url, entities, key, ItemEntitySet.ID); } }