content: /*
   * Copyright 2021-2024 Aklivity Inc.
   *
   * Aklivity licenses this file to you under the Apache License,
   * version 2.0 (the "License"); you may not use this file except in compliance
   * with the License. You may obtain a copy of the License at:
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * 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 io.aklivity.zilla.runtime.engine.test.internal.k3po.ext.el;
  
  import static java.lang.ThreadLocal.withInitial;
  
  import java.nio.file.Path;
  
  import io.aklivity.k3po.runtime.lang.el.Function;
  import io.aklivity.k3po.runtime.lang.el.spi.FunctionMapperSpi;
  import io.aklivity.zilla.runtime.engine.test.internal.k3po.ext.ZillaExtConfiguration;
  import io.aklivity.zilla.runtime.engine.test.internal.k3po.ext.behavior.LabelManager;
  
  public final class Functions
  {
      private static final ThreadLocal<LabelManager> LABELS = withInitial(Functions::newLabelManager);
  
      public static final class Mapper extends FunctionMapperSpi.Reflective
      {
          public Mapper()
          {
              super(Functions.class);
          }
  
          @Override
          public String getPrefixName()
          {
              return "zilla";
          }
      }
  
      @Function
      public static int id(
          String label)
      {
          final LabelManager labels = LABELS.get();
          return labels.supplyLabelId(label);
      }
  
      private Functions()
      {
          // utility
      }
  
      private static LabelManager newLabelManager()
      {
          final ZillaExtConfiguration config = new ZillaExtConfiguration();
          final Path directory = config.directory();
          return new LabelManager(directory);
      }
  }
  