| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.apache.hadoop.ozone.recon.api; |
| |
| import javax.inject.Inject; |
| |
| import org.hadoop.ozone.recon.schema.UtilizationSchemaDefinition; |
| import org.hadoop.ozone.recon.schema.tables.daos.FileCountBySizeDao; |
| import org.hadoop.ozone.recon.schema.tables.pojos.FileCountBySize; |
| import org.jooq.DSLContext; |
| import org.jooq.Record3; |
| |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.QueryParam; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import static org.apache.hadoop.ozone.recon.ReconConstants.RECON_QUERY_BUCKET; |
| import static org.apache.hadoop.ozone.recon.ReconConstants.RECON_QUERY_FILE_SIZE; |
| import static org.apache.hadoop.ozone.recon.ReconConstants.RECON_QUERY_VOLUME; |
| import static org.hadoop.ozone.recon.schema.tables.FileCountBySizeTable.FILE_COUNT_BY_SIZE; |
| |
| /** |
| * Endpoint for querying the counts of a certain file Size. |
| */ |
| @Path("/utilization") |
| @Produces(MediaType.APPLICATION_JSON) |
| public class UtilizationEndpoint { |
| |
| private FileCountBySizeDao fileCountBySizeDao; |
| private UtilizationSchemaDefinition utilizationSchemaDefinition; |
| |
| @Inject |
| public UtilizationEndpoint(FileCountBySizeDao fileCountBySizeDao, |
| UtilizationSchemaDefinition |
| utilizationSchemaDefinition) { |
| this.utilizationSchemaDefinition = utilizationSchemaDefinition; |
| this.fileCountBySizeDao = fileCountBySizeDao; |
| } |
| |
| /** |
| * Return the file counts from Recon DB. |
| * @return {@link Response} |
| */ |
| @GET |
| @Path("/fileCount") |
| public Response getFileCounts( |
| @QueryParam(RECON_QUERY_VOLUME) |
| String volume, |
| @QueryParam(RECON_QUERY_BUCKET) |
| String bucket, |
| @QueryParam(RECON_QUERY_FILE_SIZE) |
| long fileSize |
| ) { |
| DSLContext dslContext = utilizationSchemaDefinition.getDSLContext(); |
| List<FileCountBySize> resultSet; |
| if (volume != null && bucket != null && fileSize > 0) { |
| Record3<String, String, Long> recordToFind = dslContext |
| .newRecord(FILE_COUNT_BY_SIZE.VOLUME, |
| FILE_COUNT_BY_SIZE.BUCKET, |
| FILE_COUNT_BY_SIZE.FILE_SIZE) |
| .value1(volume) |
| .value2(bucket) |
| .value3(fileSize); |
| FileCountBySize record = fileCountBySizeDao.findById(recordToFind); |
| resultSet = record != null ? |
| Collections.singletonList(record) : Collections.emptyList(); |
| } else if (volume != null && bucket != null) { |
| resultSet = dslContext.select().from(FILE_COUNT_BY_SIZE) |
| .where(FILE_COUNT_BY_SIZE.VOLUME.eq(volume)) |
| .and(FILE_COUNT_BY_SIZE.BUCKET.eq(bucket)) |
| .fetchInto(FileCountBySize.class); |
| } else if (volume != null) { |
| resultSet = fileCountBySizeDao.fetchByVolume(volume); |
| } else { |
| // fetch all records |
| resultSet = fileCountBySizeDao.findAll(); |
| } |
| return Response.ok(resultSet).build(); |
| } |
| } |