Examples with ComponentEntity org.apache.nifi.web.api.entity.ComponentEntity used on opensource projects

Example 6 with ComponentEntity

use of org.apache.nifi.web.api.entity.ComponentEntity in project nifi by apache.

the class SnippetResource method deleteSnippet.

/**
 * Removes the specified snippet.
 *
 * @param httpServletRequest request
 * @param snippetId          The id of the snippet to remove.
 * @return A entity containing the client id and an updated revision.
 */
@DELETE
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.APPLICATION_JSON)
@Path("{id}")
@ApiOperation(value = "Deletes the components in a snippet and discards the snippet", response = SnippetEntity.class, authorizations = { @Authorization(value = "Write - /{component-type}/{uuid} - For each component in the Snippet and their descendant components"), @Authorization(value = "Write - Parent Process Group - /process-groups/{uuid}") })
@ApiResponses(value = { @ApiResponse(code = 400, message = "NiFi was unable to complete the request because it was invalid. The request should not be retried without modification."), @ApiResponse(code = 401, message = "Client could not be authenticated."), @ApiResponse(code = 403, message = "Client is not authorized to make this request."), @ApiResponse(code = 404, message = "The specified resource could not be found."), @ApiResponse(code = 409, message = "The request was valid but NiFi was not in the appropriate state to process it. Retrying the same request later may be successful.") })
public Response deleteSnippet(@Context final HttpServletRequest httpServletRequest, @ApiParam(value = "The snippet id.", required = true) @PathParam("id") final String snippetId) {
    if (isReplicateRequest()) {
        return replicate(HttpMethod.DELETE);
    }
    final ComponentEntity requestEntity = new ComponentEntity();
    requestEntity.setId(snippetId);
    // get the revision from this snippet
    final Set<Revision> requestRevisions = serviceFacade.getRevisionsFromSnippet(snippetId);
    return withWriteLock(serviceFacade, requestEntity, requestRevisions, lookup -> {
        // ensure write permission to every component in the snippet excluding referenced services
        final SnippetAuthorizable snippet = lookup.getSnippet(snippetId);
        authorizeSnippet(snippet, authorizer, lookup, RequestAction.WRITE, true, false);
        // ensure write permission to the parent process group
        snippet.getParentProcessGroup().authorize(authorizer, RequestAction.WRITE, NiFiUserUtils.getNiFiUser());
    }, () -> serviceFacade.verifyDeleteSnippet(snippetId, requestRevisions.stream().map(rev -> rev.getComponentId()).collect(Collectors.toSet())), (revisions, entity) -> {
        // delete the specified snippet
        final SnippetEntity snippetEntity = serviceFacade.deleteSnippet(revisions, entity.getId());
        return generateOkResponse(snippetEntity).build();
    });
}