Examples with DiscoveryException org.apache.atlas.discovery.DiscoveryException used on opensource projects

Example 6 with DiscoveryException

use of org.apache.atlas.discovery.DiscoveryException in project incubator-atlas by apache.

the class LineageResource method schema.

/**
     * 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 Response schema(@PathParam("guid") String guid) {
    if (LOG.isDebugEnabled()) {
        LOG.debug("==> LineageResource.schema({})", guid);
    }
    AtlasPerfTracer perf = null;
    try {
        if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) {
            perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "LineageResource.schema(" + guid + ")");
        }
        final String jsonResult = lineageService.getSchemaForEntity(guid);
        JSONObject response = new JSONObject();
        response.put(AtlasClient.REQUEST_ID, Servlets.getRequestId());
        response.put(AtlasClient.RESULTS, new JSONObject(jsonResult));
        return Response.ok(response).build();
    } catch (SchemaNotFoundException e) {
        LOG.error("schema not found for {}", guid);
        throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.NOT_FOUND));
    } catch (EntityNotFoundException e) {
        LOG.error("table entity not found for {}", guid);
        throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.NOT_FOUND));
    } catch (DiscoveryException | 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 (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);
        if (LOG.isDebugEnabled()) {
            LOG.debug("<== LineageResource.schema({})", guid);
        }
    }
}

Example 7 with DiscoveryException

use of org.apache.atlas.discovery.DiscoveryException in project incubator-atlas by apache.

the class MetadataDiscoveryResource method searchUsingQueryDSL.

/**
     * Search using query DSL format.
     *
     * @param dslQuery search query in DSL format.
     * @param limit number of rows to be returned in the result, used for pagination. maxlimit > limit > 0. -1 maps to atlas.search.defaultlimit property value
     * @param offset offset to the results returned, used for pagination. offset >= 0. -1 maps to offset 0
     * Limit and offset in API are used in conjunction with limit and offset in DSL query
     * Final limit = min(API limit, max(query limit - API offset, 0))
     * Final offset = API offset + query offset
     *
     * @return JSON representing the type and results.
     */
@GET
@Path("search/dsl")
@Consumes(Servlets.JSON_MEDIA_TYPE)
@Produces(Servlets.JSON_MEDIA_TYPE)
public Response searchUsingQueryDSL(@QueryParam("query") String dslQuery, @DefaultValue(LIMIT_OFFSET_DEFAULT) @QueryParam("limit") int limit, @DefaultValue(LIMIT_OFFSET_DEFAULT) @QueryParam("offset") int offset) {
    if (LOG.isDebugEnabled()) {
        LOG.debug("==> MetadataDiscoveryResource.searchUsingQueryDSL({}, {}, {})", dslQuery, limit, offset);
    }
    AtlasPerfTracer perf = null;
    try {
        if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) {
            perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "MetadataDiscoveryResource.searchUsingQueryDSL(" + dslQuery + ", " + limit + ", " + offset + ")");
        }
        dslQuery = ParamChecker.notEmpty(dslQuery, "dslQuery cannot be null");
        QueryParams queryParams = validateQueryParams(limit, offset);
        final String jsonResultStr = discoveryService.searchByDSL(dslQuery, queryParams);
        JSONObject response = new DSLJSONResponseBuilder().results(jsonResultStr).query(dslQuery).build();
        return Response.ok(response).build();
    } catch (DiscoveryException | IllegalArgumentException e) {
        LOG.error("Unable to get entity list for dslQuery {}", dslQuery, e);
        throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.BAD_REQUEST));
    } catch (WebApplicationException e) {
        LOG.error("Unable to get entity list for dslQuery {}", dslQuery, e);
        throw e;
    } catch (Throwable e) {
        LOG.error("Unable to get entity list for dslQuery {}", dslQuery, e);
        throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.INTERNAL_SERVER_ERROR));
    } finally {
        AtlasPerfTracer.log(perf);
        if (LOG.isDebugEnabled()) {
            LOG.debug("<== MetadataDiscoveryResource.searchUsingQueryDSL({}, {}, {})", dslQuery, limit, offset);
        }
    }
}

Example 8 with DiscoveryException

use of org.apache.atlas.discovery.DiscoveryException in project incubator-atlas by apache.

the class MetadataDiscoveryResource method searchUsingFullText.

/**
     * Search using full text search.
     *
     * @param query search query.
     * @param limit number of rows to be returned in the result, used for pagination. maxlimit > limit > 0. -1 maps to atlas.search.defaultlimit property value
     * @param offset offset to the results returned, used for pagination. offset >= 0. -1 maps to offset 0
     * @return JSON representing the type and results.
     */
@GET
@Path("search/fulltext")
@Consumes(Servlets.JSON_MEDIA_TYPE)
@Produces(Servlets.JSON_MEDIA_TYPE)
public Response searchUsingFullText(@QueryParam("query") String query, @DefaultValue(LIMIT_OFFSET_DEFAULT) @QueryParam("limit") int limit, @DefaultValue(LIMIT_OFFSET_DEFAULT) @QueryParam("offset") int offset) {
    if (LOG.isDebugEnabled()) {
        LOG.debug("==> MetadataDiscoveryResource.searchUsingFullText({}, {}, {})", query, limit, offset);
    }
    AtlasPerfTracer perf = null;
    try {
        if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) {
            perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "MetadataDiscoveryResource.searchUsingFullText(" + query + ", " + limit + ", " + offset + ")");
        }
        query = ParamChecker.notEmpty(query, "query cannot be null or empty");
        QueryParams queryParams = validateQueryParams(limit, offset);
        final String jsonResultStr = discoveryService.searchByFullText(query, queryParams);
        JSONArray rowsJsonArr = new JSONArray(jsonResultStr);
        JSONObject response = new FullTextJSonResponseBuilder().results(rowsJsonArr).query(query).build();
        return Response.ok(response).build();
    } catch (DiscoveryException | IllegalArgumentException e) {
        LOG.error("Unable to get entity list for query {}", query, e);
        throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.BAD_REQUEST));
    } catch (WebApplicationException e) {
        LOG.error("Unable to get entity list for query {}", query, e);
        throw e;
    } catch (Throwable e) {
        LOG.error("Unable to get entity list for query {}", query, e);
        throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.INTERNAL_SERVER_ERROR));
    } finally {
        AtlasPerfTracer.log(perf);
        if (LOG.isDebugEnabled()) {
            LOG.debug("<== MetadataDiscoveryResource.searchUsingFullText({}, {}, {})", query, limit, offset);
        }
    }
}

Example 9 with DiscoveryException

use of org.apache.atlas.discovery.DiscoveryException in project incubator-atlas by apache.

the class DataSetLineageResource method schema.

/**
     * Return the schema for the given tableName.
     *
     * @param tableName table name
     */
@GET
@Path("table/{tableName}/schema")
@Consumes(Servlets.JSON_MEDIA_TYPE)
@Produces(Servlets.JSON_MEDIA_TYPE)
public Response schema(@Context HttpServletRequest request, @PathParam("tableName") String tableName) {
    if (LOG.isDebugEnabled()) {
        LOG.debug("==> DataSetLineageResource.schema({})", tableName);
    }
    AtlasPerfTracer perf = null;
    try {
        if (AtlasPerfTracer.isPerfTraceEnabled(PERF_LOG)) {
            perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "DataSetLineageResource.schema(tableName=" + tableName + ")");
        }
        final String jsonResult = lineageService.getSchema(tableName);
        JSONObject response = new JSONObject();
        response.put(AtlasClient.REQUEST_ID, Servlets.getRequestId());
        response.put("tableName", tableName);
        response.put(AtlasClient.RESULTS, new JSONObject(jsonResult));
        return Response.ok(response).build();
    } catch (EntityNotFoundException e) {
        LOG.error("table entity not found for {}", tableName);
        throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.NOT_FOUND));
    } catch (DiscoveryException | IllegalArgumentException e) {
        LOG.error("Unable to get schema for table {}", tableName, e);
        throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.BAD_REQUEST));
    } catch (WebApplicationException e) {
        LOG.error("Unable to get schema for table {}", tableName, e);
        throw e;
    } catch (Throwable e) {
        LOG.error("Unable to get schema for table {}", tableName, e);
        throw new WebApplicationException(Servlets.getErrorResponse(e, Response.Status.INTERNAL_SERVER_ERROR));
    } finally {
        AtlasPerfTracer.log(perf);
    }
}