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Templates for consuming from and producing to NATS with Swim

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// Copyright 2015-2024 Nstream, inc.
//
// Licensed under the Redis Source Available License 2.0 (RSALv2) Agreement;
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://redis.com/legal/rsalv2-agreement/
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package nstream.adapter.nats;

import io.nats.client.Connection;
import io.nats.client.Nats;
import io.nats.client.Options;
import java.util.Properties;
import nstream.adapter.common.provision.AbstractProvision;
import swim.util.Log;

public class NatsConnectionProvision extends AbstractProvision {

  public NatsConnectionProvision() {
  }

  @Override
  protected void loadValue(Log log, Properties properties) {
    try {
      this.value = Nats.connect(new Options.Builder(properties).build());
    } catch (Exception e) {
      log.error("Did not load NatsConnectionProvision due to issue loading Connection from properties");
      throw new RuntimeException("Failed to load NatsConnectionProvision", e);
    }
  }

  @Override
  protected void unloadValue(Log log) {
    try {
      this.value.close();
    } catch (Exception e) {
      log.error("Failed to close Connection (" + e.getMessage() + ")");
      throw new RuntimeException("Failed to close Connection", e);
    }
  }

}