//=============================================================================
//=== Copyright (C) 2001-2007 Food and Agriculture Organization of the
//=== United Nations (FAO-UN), United Nations World Food Programme (WFP)
//=== and United Nations Environment Programme (UNEP)
//===
//=== This program is free software; you can redistribute it and/or modify
//=== it under the terms of the GNU General Public License as published by
//=== the Free Software Foundation; either version 2 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
//=== General Public License for more details.
//===
//=== You should have received a copy of the GNU General Public License
//=== along with this program; if not, write to the Free Software
//=== Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
//===
//=== Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2,
//=== Rome - Italy. email: geonetwork@osgeo.org
//==============================================================================
package org.fao.geonet.services.relations;
import static org.fao.geonet.repository.specification.MetadataRelationSpecs.hasMetadataId;
import static org.fao.geonet.repository.specification.MetadataRelationSpecs.hasRelatedId;
import static org.springframework.data.jpa.domain.Specifications.where;
import jeeves.constants.Jeeves;
import jeeves.server.ServiceConfig;
import jeeves.server.context.ServiceContext;
import org.fao.geonet.constants.Geonet;
import org.fao.geonet.constants.Params;
import org.fao.geonet.domain.MetadataRelation;
import org.fao.geonet.domain.MetadataRelationId;
import org.fao.geonet.repository.MetadataRelationRepository;
import org.fao.geonet.repository.specification.MetadataRelationSpecs;
import org.fao.geonet.services.NotInReadOnlyModeService;
import org.fao.geonet.services.Utils;
import org.jdom.Element;
import org.springframework.data.jpa.domain.Specifications;
//=============================================================================
/**
* Insert the relation between two metadata records. Input parameters could be
* UUID or internal id.
*
* TODO : Should we add a relation type to store different kind of relation. For
* the time being, relation table is used to store link between iso19139 and
* iso19110 metadata records.
*/
public class Insert extends NotInReadOnlyModeService {
public void init(String appPath, ServiceConfig params) throws Exception {
}
/*
* Insert the relation between two metadata records.
* If it already exist, bypass insert statement and an alreadyExist flag.
*
* @see jeeves.interfaces.Service#exec(org.jdom.Element,
* jeeves.server.context.ServiceContext) Parameter name: parentId - Parent
* metadata identifier Parameter name: childId - Child metadata identifier
*/
public Element serviceSpecificExec(Element params, ServiceContext context)
throws Exception {
int parentId = Integer.parseInt(Utils.getIdentifierFromParameters(
params, context, Params.PARENT_UUID, Params.PARENT_ID));
int childId = Integer.parseInt(Utils.getIdentifierFromParameters(
params, context, Params.CHILD_UUID, Params.CHILD_ID));
final Specifications<MetadataRelation> spec = where(hasMetadataId(parentId)).and(hasRelatedId(childId));
final MetadataRelationRepository metadataRelationRepository = context.getBean(MetadataRelationRepository.class);
final long count = metadataRelationRepository.count(spec);
boolean exist = false;
if (count == 1) {
exist = true;
} else {
MetadataRelation entity = new MetadataRelation().setId(new MetadataRelationId(parentId, childId));
metadataRelationRepository.save(entity);
}
Element response = new Element(Jeeves.Elem.RESPONSE)
.setAttribute("alreadyExist", String.valueOf(exist))
.addContent(
new Element("parentId").setText(String
.valueOf(parentId)))
.addContent(
new Element("childId").setText(String.valueOf(childId)));
return response;
}
}