/** * Tries to claim the given token {@code entry}. If the claim fails an {@link UnableToClaimTokenException} should be * thrown. Otherwise the given {@code resultSet} should be updated to reflect the claim. * * @param resultSet the updatable query result of an executed {@link PreparedStatement} * @param entry the entry extracted from the given result set * @return the claimed tracking token * * @throws UnableToClaimTokenException if the token cannot be claimed because another node currently owns the token * @throws SQLException when an exception occurs while claiming the token entry */ protected TrackingToken claimToken(ResultSet resultSet, AbstractTokenEntry<?> entry) throws SQLException { if (!entry.claim(nodeId, claimTimeout)) { throw new UnableToClaimTokenException( format("Unable to claim token '%s[%s]'. It is owned by '%s'", entry.getProcessorName(), entry.getSegment(), entry.getOwner())); } resultSet.updateString(schema.ownerColum(), entry.getOwner()); resultSet.updateString(schema.timestampColumn(), entry.timestampAsString()); resultSet.updateRow(); return entry.getToken(serializer); }
private Document tokenEntryToDocument(AbstractTokenEntry<?> tokenEntry) { return new Document("processorName", tokenEntry.getProcessorName()) .append("segment", tokenEntry.getSegment()) .append("owner", tokenEntry.getOwner()) .append("timestamp", tokenEntry.timestamp().toEpochMilli()) .append("token", tokenEntry.getSerializedToken() == null ? null : tokenEntry.getSerializedToken().getData()) .append("tokenType", tokenEntry.getSerializedToken() == null ? null : tokenEntry.getSerializedToken() .getContentType().getName()); }
private Document tokenEntryToDocument(AbstractTokenEntry<?> tokenEntry) { return new Document("processorName", tokenEntry.getProcessorName()) .append("segment", tokenEntry.getSegment()) .append("owner", tokenEntry.getOwner()) .append("timestamp", tokenEntry.timestamp().toEpochMilli()) .append("token", tokenEntry.getSerializedToken() == null ? null : tokenEntry.getSerializedToken().getData()) .append("tokenType", tokenEntry.getSerializedToken() == null ? null : tokenEntry.getSerializedToken() .getType().getName()); }
/** * Tries to claim the given token {@code entry}. If the claim fails an {@link UnableToClaimTokenException} should be * thrown. Otherwise the given {@code resultSet} should be updated to reflect the claim. * * @param resultSet the updatable query result of an executed {@link PreparedStatement} * @param entry the entry extracted from the given result set * @return the claimed tracking token * @throws UnableToClaimTokenException if the token cannot be claimed because another node currently owns the token * @throws SQLException when an exception occurs while claiming the token entry */ protected TrackingToken claimToken(ResultSet resultSet, AbstractTokenEntry<?> entry) throws SQLException { if (!entry.claim(nodeId, claimTimeout)) { throw new UnableToClaimTokenException( format("Unable to claim token '%s[%s]'. It is owned by '%s'", entry.getProcessorName(), entry.getSegment(), entry.getOwner())); } resultSet.updateString(schema.ownerColum(), entry.getOwner()); resultSet.updateString(schema.timestampColumn(), entry.timestampAsString()); resultSet.updateRow(); return entry.getToken(serializer); }
/** * Tries to claim the given token {@code entry}. If the claim fails an {@link UnableToClaimTokenException} should be * thrown. Otherwise the given {@code resultSet} should be updated to reflect the claim. * * @param resultSet the updatable query result of an executed {@link PreparedStatement} * @param entry the entry extracted from the given result set * @return the claimed tracking token * * @throws UnableToClaimTokenException if the token cannot be claimed because another node currently owns the token * @throws SQLException when an exception occurs while claiming the token entry */ protected TrackingToken claimToken(ResultSet resultSet, AbstractTokenEntry<?> entry) throws SQLException { if (!entry.claim(nodeId, claimTimeout)) { throw new UnableToClaimTokenException( format("Unable to claim token '%s[%s]'. It is owned by '%s'", entry.getProcessorName(), entry.getSegment(), entry.getOwner())); } resultSet.updateString(schema.ownerColum(), entry.getOwner()); resultSet.updateString(schema.timestampColumn(), entry.timestampAsString()); resultSet.updateRow(); return entry.getToken(serializer); }