Examples with Channel io.openems.api.channel.Channel used on opensource projects

Example 16 with Channel

use of io.openems.api.channel.Channel in project openems by OpenEMS.

the class ModbusTcpApiController method updateChannelMapping.

protected void updateChannelMapping(Optional<JsonObject> jMappingOpt) {
    processImage.clearMapping();
    ThingRepository thingRepository = ThingRepository.getInstance();
    if (jMappingOpt.isPresent()) {
        JsonObject jMapping = jMappingOpt.get();
        for (Entry<String, JsonElement> entry : jMapping.entrySet()) {
            try {
                int ref = Integer.parseInt(entry.getKey());
                ChannelAddress channelAddress = ChannelAddress.fromString(JsonUtils.getAsString(entry.getValue()));
                Optional<ChannelDoc> channelDocOpt = thingRepository.getChannelDoc(channelAddress);
                if (channelDocOpt.isPresent()) {
                    processImage.addMapping(ref, channelAddress, channelDocOpt.get());
                } else {
                    Optional<Channel> channelOpt = thingRepository.getChannel(channelAddress);
                    if (channelOpt.isPresent()) {
                        throw new OpenemsException("ChannelDoc for channel [" + channelAddress + "] is not available.");
                    } else {
                        throw new OpenemsException("Channel [" + channelAddress + "] does not exist.");
                    }
                }
            } catch (Exception e) {
                log.error("Unable to add channel mapping: " + e.getMessage());
            }
        }
    }
}