Examples of org.openrdf.repository.RepositoryConnection.rollback()

Class org.openrdf.repository.RepositoryConnection

Examples of org.openrdf.repository.RepositoryConnection.rollback()

org.openrdf.repository.RepositoryConnection.rollback()
Rolls back all updates that have been performed as part of this connection so far. @throws StoreException If the connection could not be rolled back, or if the connection does not have an active connection. @see #isAutoCommit() @see #begin()


            if (eTag == null) {
                // check for If-Match header (ETag) -> 428 Precondition Required (Sec. 4.2.4.5)
                log.trace("No If-Match header, but that's a MUST");
                final Response.ResponseBuilder resp = createResponse(con, 428, resource);
                con.rollback();
                return resp.build();
            } else {
                // check ETag -> 412 Precondition Failed (Sec. 4.2.4.5)
                log.trace("Checking If-Match: {}", eTag);
                EntityTag hasTag = ldpService.generateETag(con, resource);

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                log.trace("Checking If-Match: {}", eTag);
                EntityTag hasTag = ldpService.generateETag(con, resource);
                if (!EntityTagUtils.equals(eTag, hasTag)) {
                    log.trace("If-Match header did not match, expected {}", hasTag);
                    final Response.ResponseBuilder resp = createResponse(con, Response.Status.PRECONDITION_FAILED, resource);
                    con.rollback();
                    return resp.build();
                }
            }


            /*

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             * clients should not be allowed to update LDPC-membership triples -> 409 Conflict (Sec. 4.2.4.3)
             *
             * if the target resource exists, replace ALL data of the target.
             */
            final Response.ResponseBuilder resp = createResponse(con, Response.Status.NOT_IMPLEMENTED, resource);
            con.rollback();
            return resp.build();
        } catch (final Throwable t) {
            con.rollback();
            throw t;
        } finally {

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             */
            final Response.ResponseBuilder resp = createResponse(con, Response.Status.NOT_IMPLEMENTED, resource);
            con.rollback();
            return resp.build();
        } catch (final Throwable t) {
            con.rollback();
            throw t;
        } finally {
            con.close();
        }
    }

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        try {
            con.begin();


            if (!ldpService.exists(con, resource)) {
                final Response.ResponseBuilder resp = createResponse(con, Response.Status.NOT_FOUND, resource);
                con.rollback();
                return resp.build();
            }


            ldpService.deleteResource(con, resource);
            final Response.ResponseBuilder resp = createResponse(con, Response.Status.NO_CONTENT, resource);

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            final Response.ResponseBuilder resp = createResponse(con, Response.Status.NO_CONTENT, resource);
            con.commit();
            return resp.build();
        } catch (final Throwable e) {
            log.error("Error deleting LDP-R: {}: {}", resource, e.getMessage());
            con.rollback();
            throw e;
        } finally {
            con.close();
        }

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        try {
            con.begin();


            if (!ldpService.exists(con, resource)) {
                final Response.ResponseBuilder resp = createResponse(con, Response.Status.NOT_FOUND, resource);
                con.rollback();
                return resp.build();
            }


            if (eTag != null) {
                // check ETag if present

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                log.trace("Checking If-Match: {}", eTag);
                EntityTag hasTag = ldpService.generateETag(con, resource);
                if (!EntityTagUtils.equals(eTag, hasTag)) {
                    log.trace("If-Match header did not match, expected {}", hasTag);
                    final Response.ResponseBuilder resp = createResponse(con, Response.Status.PRECONDITION_FAILED, resource);
                    con.rollback();
                    return resp.build();
                }
            }


            // Check for the supported mime-type

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            // Check for the supported mime-type
            if (!type.toString().equals(RdfPatchParser.MIME_TYPE)) {
                log.trace("Incompatible Content-Type for PATCH: {}", type);
                final Response.ResponseBuilder resp = createResponse(con, Response.Status.UNSUPPORTED_MEDIA_TYPE, resource).entity("Unknown Content-Type: " + type + "\n");
                con.rollback();
                return resp.build();
            }


            try {
                ldpService.patchResource(con, resource, postBody, false);

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                final Response.ResponseBuilder resp = createResponse(con, Response.Status.NO_CONTENT, resource);
                con.commit();
                return resp.build();
            } catch (ParseException | InvalidPatchDocumentException e) {
                final Response.ResponseBuilder resp = createResponse(con, Response.Status.BAD_REQUEST, resource).entity(e.getMessage() + "\n");
                con.rollback();
                return resp.build();
            } catch (InvalidModificationException e) {
                final Response.ResponseBuilder resp = createResponse(con, 422, resource).entity(e.getMessage() + "\n");
                con.rollback();
                return resp.build();

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