/*
* Copyright 2015-2016 OpenCB
*
* 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.opencb.opencga.server.grpc;
import io.grpc.stub.StreamObserver;
import org.opencb.biodata.models.common.protobuf.service.ServiceTypesModel;
import org.opencb.biodata.models.variant.Variant;
import org.opencb.biodata.models.variant.protobuf.VariantProto;
import org.opencb.biodata.tools.variant.converters.proto.VariantAvroToVariantProtoConverter;
import org.opencb.commons.datastore.core.Query;
import org.opencb.commons.datastore.core.QueryOptions;
import org.opencb.commons.datastore.core.QueryResult;
import org.opencb.opencga.catalog.config.Configuration;
import org.opencb.opencga.storage.core.config.StorageConfiguration;
import org.opencb.opencga.storage.core.variant.adaptors.VariantDBIterator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Created by imedina on 29/12/15.
*/
public class VariantGrpcService extends VariantServiceGrpc.VariantServiceImplBase {
private GenericGrpcService genericGrpcService;
private final Logger logger = LoggerFactory.getLogger(getClass());
public VariantGrpcService(Configuration configuration, StorageConfiguration storageConfiguration) {
genericGrpcService = new GenericGrpcService(configuration, storageConfiguration);
}
@Override
public void count(GenericServiceModel.Request request, StreamObserver<ServiceTypesModel.LongResponse> responseObserver) {
try {
Query query = genericGrpcService.createQuery(request);
logger.info("Count variants query : {} " + query.toJson());
QueryResult<Long> count = genericGrpcService.variantStorageManager.count(query, request.getSessionId());
responseObserver.onNext(ServiceTypesModel.LongResponse.newBuilder().setValue(count.getResult().get(0)).build());
responseObserver.onCompleted();
} catch (Exception e) {
logger.error("Error on count", e);
responseObserver.onError(e);
}
}
@Override
public void distinct(GenericServiceModel.Request request, StreamObserver<ServiceTypesModel.StringArrayResponse> responseObserver) {
super.distinct(request, responseObserver);
}
@Override
public void get(GenericServiceModel.Request request, StreamObserver<VariantProto.Variant> responseObserver) {
try {
VariantAvroToVariantProtoConverter converter = new VariantAvroToVariantProtoConverter();
Query query = genericGrpcService.createQuery(request);
QueryOptions queryOptions = genericGrpcService.createQueryOptions(request);
logger.info("Get variants query : {} , queryOptions : {}" , query.toJson(), queryOptions.toJson());
try (VariantDBIterator iterator = genericGrpcService.variantStorageManager.iterator(query, queryOptions, request.getSessionId())) {
while (iterator.hasNext()) {
Variant variant = iterator.next();
responseObserver.onNext(converter.convert(variant));
}
}
responseObserver.onCompleted();
} catch (Exception e) {
logger.error("Error on get variants", e);
responseObserver.onError(e);
}
}
@Override
public void groupBy(GenericServiceModel.Request request, StreamObserver<ServiceTypesModel.GroupResponse> responseObserver) {
super.groupBy(request, responseObserver);
}
}