code: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF 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 org.apache.skywalking.oap.log.analyzer.dsl.spec;
  
  import groovy.lang.Closure;
  import lombok.Getter;
  import lombok.RequiredArgsConstructor;
  import lombok.experimental.Accessors;
  import org.apache.skywalking.apm.network.common.v3.KeyStringValuePair;
  import org.apache.skywalking.oap.log.analyzer.dsl.Binding;
  import org.apache.skywalking.oap.log.analyzer.provider.LogAnalyzerModuleConfig;
  import org.apache.skywalking.oap.server.library.module.ModuleManager;
  
  @Getter
  @RequiredArgsConstructor
  @Accessors(fluent = true)
  public abstract class AbstractSpec {
      private final ModuleManager moduleManager;
  
      private final LogAnalyzerModuleConfig moduleConfig;
  
      protected static final ThreadLocal<Binding> BINDING = ThreadLocal.withInitial(Binding::new);
  
      public void bind(final Binding b) {
          BINDING.set(b);
      }
  
      @SuppressWarnings("unused")
      public void abort(final Closure<Void> cl) {
          BINDING.get().abort();
      }
  
      @SuppressWarnings("unused")
      public Object propertyMissing(final String name) {
          return BINDING.get().getVariable(name);
      }
  
      @SuppressWarnings("unused")
      public String tag(String key) {
          return BINDING.get().log().getTags().getDataList()
                  .stream()
                  .filter(data -> key.equals(data.getKey()))
                  .map(KeyStringValuePair::getValue)
                  .findFirst()
                  .orElse("");
      }
  }
  