content: /**
   * 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.atlas.web.resources;
  
  import org.apache.atlas.discovery.AtlasLineageService;
  import org.apache.atlas.exception.AtlasBaseException;
  import org.apache.atlas.model.lineage.AtlasLineageInfo;
  import org.apache.atlas.model.lineage.AtlasLineageInfo.LineageDirection;
  import org.apache.atlas.type.AtlasTypeRegistry;
  import org.apache.atlas.utils.AtlasPerfTracer;
  import org.apache.atlas.v1.model.lineage.LineageResponse;
  import org.apache.atlas.v1.model.lineage.SchemaResponse;
  import org.apache.atlas.web.util.LineageUtils;
  import org.apache.atlas.web.util.Servlets;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.stereotype.Service;
  
  import javax.inject.Inject;
  import javax.inject.Singleton;
  import javax.ws.rs.Consumes;
  import javax.ws.rs.GET;
  import javax.ws.rs.Path;
  import javax.ws.rs.PathParam;
  import javax.ws.rs.Produces;
  import javax.ws.rs.WebApplicationException;
  import javax.ws.rs.core.Response;
  
  @Path("lineage")
  @Singleton
  @Service
  @Deprecated
  public class LineageResource {
      private static final Logger LOG      = LoggerFactory.getLogger(LineageResource.class);
      private static final Logger PERF_LOG = AtlasPerfTracer.getPerfLogger("rest.LineageResource");
  
      private final AtlasLineageService atlasLineageService;
      private final AtlasTypeRegistry   typeRegistry;
  
      /**
       * Created by the Guice ServletModule and injected with the
       * configured LineageService.
       *
       */
      @Inject
      public LineageResource(AtlasLineageService atlasLineageService, AtlasTypeRegistry typeRegistry) {
          this.atlasLineageService = atlasLineageService;
          this.typeRegistry        = typeRegistry;
      }
  
      /**
       * Returns input lineage graph for the given entity id.
       * @param guid dataset entity id
       * @return
       */
      @GET
      @Path("{guid}/inputs/graph")
      @Consumes(Servlets.JSON_MEDIA_TYPE)
      @Produces(Servlets.JSON_MEDIA_TYPE)
      public LineageResponse inputsGraph(@PathParam("guid") String guid) {
          LOG.debug("==> LineageResource.inputsGraph({})", guid);
  
          LineageResponse ret = new LineageResponse();
  
          AtlasPerfTracer perf = null;
  
          try {
              if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) {
                  perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "LineageResource.inputsGraph(" + guid + ")");
              }
  
              AtlasLineageInfo lineageInfo = atlasLineageService.getAtlasLineageInfo(guid, LineageDirection.INPUT, -1);
  
              ret.setRequestId(Servlets.getRequestId());
              ret.setResults(LineageUtils.toLineageStruct(lineageInfo, typeRegistry));
  
              return ret;
          } catch (AtlasBaseException e) {
              LOG.error("Unable to get lineage inputs graph for entity guid={}", guid, e);
  
              throw new WebApplicationException(Servlets.getErrorResponse(e));
          } catch (WebApplicationException e) {
              LOG.error("Unable to get lineage inputs graph for entity guid={}", guid, e);
  
              throw e;
          } finally {
              AtlasPerfTracer.log(perf);
  
              LOG.debug("<== LineageResource.inputsGraph({})", guid);
          }
      }
  
      /**
       * Returns the outputs graph for a given entity id.
       *
       * @param guid dataset entity id
       */
      @GET
      @Path("{guid}/outputs/graph")
      @Consumes(Servlets.JSON_MEDIA_TYPE)
      @Produces(Servlets.JSON_MEDIA_TYPE)
      public LineageResponse outputsGraph(@PathParam("guid") String guid) {
          LOG.debug("==> LineageResource.outputsGraph({})", guid);
  
          LineageResponse ret  = new LineageResponse();
          AtlasPerfTracer perf = null;
  
          try {
              if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) {
                  perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "LineageResource.outputsGraph(" + guid + ")");
              }
  
              AtlasLineageInfo lineageInfo = atlasLineageService.getAtlasLineageInfo(guid, LineageDirection.OUTPUT, -1);
  
              ret.setRequestId(Servlets.getRequestId());
              ret.setResults(LineageUtils.toLineageStruct(lineageInfo, typeRegistry));
  
              return ret;
          } catch (AtlasBaseException e) {
              LOG.error("Unable to get lineage outputs graph for entity guid={}", guid, e);
  
              throw new WebApplicationException(Servlets.getErrorResponse(e));
          } catch (WebApplicationException e) {
              LOG.error("Unable to get lineage outputs graph for entity guid={}", guid, e);
  
              throw e;
          } finally {
              AtlasPerfTracer.log(perf);
  
              LOG.debug("<== LineageResource.outputsGraph({})", guid);
          }
      }
  
      /**
       * Returns the schema for the given dataset id.
       *
       * @param guid dataset entity id
       */
      @GET
      @Path("{guid}/schema")
      @Consumes(Servlets.JSON_MEDIA_TYPE)
      @Produces(Servlets.JSON_MEDIA_TYPE)
      public SchemaResponse schema(@PathParam("guid") String guid) {
          LOG.debug("==> LineageResource.schema({})", guid);
  
          AtlasPerfTracer perf = null;
          SchemaResponse  ret  = new SchemaResponse();
  
          try {
              if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) {
                  perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "LineageResource.schema(" + guid + ")");
              }
  
              SchemaResponse.SchemaDetails schemaDetails = atlasLineageService.getSchemaForHiveTableByGuid(guid);
  
              ret.setRequestId(Servlets.getRequestId());
              ret.setResults(schemaDetails);
  
              return ret;
          } catch (IllegalArgumentException e) {
              LOG.error("Unable to get schema for entity guid={}", guid, e);
  
              throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.BAD_REQUEST));
          } catch (WebApplicationException e) {
              LOG.error("Unable to get schema for entity guid={}", guid, e);
  
              throw e;
          } catch (AtlasBaseException e) {
              LOG.error("Unable to get schema for entity={}", guid, e);
  
              throw new WebApplicationException(Servlets.getErrorResponse(e, e.getAtlasErrorCode().getHttpCode()));
          } catch (Throwable e) {
              LOG.error("Unable to get schema for entity={}", guid, e);
  
              throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.INTERNAL_SERVER_ERROR));
          } finally {
              AtlasPerfTracer.log(perf);
  
              LOG.debug("<== LineageResource.schema({})", guid);
          }
      }
  }
  