/*
* Copyright 2010 Outerthought bvba
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.lilyproject.rest;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.UriInfo;
import java.util.List;
import org.lilyproject.repository.api.LRepository;
import org.lilyproject.repository.api.LTable;
import org.lilyproject.repository.api.QName;
import org.lilyproject.repository.api.Record;
import org.lilyproject.repository.api.RecordId;
import org.lilyproject.repository.api.RecordNotFoundException;
import org.lilyproject.tools.restresourcegenerator.GenerateRepositoryAndTableResource;
import org.lilyproject.tools.restresourcegenerator.GenerateRepositoryResource;
import org.lilyproject.tools.restresourcegenerator.GenerateTableResource;
import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR;
import static javax.ws.rs.core.Response.Status.NOT_FOUND;
@Path("record/{id}/version")
@GenerateTableResource
@GenerateRepositoryResource
@GenerateRepositoryAndTableResource
public class RecordVersionCollectionResource extends BaseRepositoryResource {
@GET
@Produces("application/json")
public EntityList<Record> get(@PathParam("id") String id,
@DefaultValue("1") @QueryParam("start-index") Long startIndex,
@DefaultValue("10") @QueryParam("max-results") Long maxResults,
@Context UriInfo uriInfo) {
LRepository repository = getRepository(uriInfo);
LTable table = getTable(uriInfo);
List<QName> fieldQNames = ResourceClassUtil.parseFieldList(uriInfo);
RecordId recordId = repository.getIdGenerator().fromString(id);
List<Record> records;
try {
records = table.readVersions(recordId, startIndex, startIndex + maxResults - 1, fieldQNames);
return EntityList.create(records, uriInfo);
} catch (RecordNotFoundException e) {
throw new ResourceException(e, NOT_FOUND.getStatusCode());
} catch (Exception e) {
throw new ResourceException("Error loading record versions.", e, INTERNAL_SERVER_ERROR.getStatusCode());
}
}
}