content: /*
   * Licensed 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.airlift.bytecode.control;
  
  import io.airlift.bytecode.BytecodeNode;
  import io.airlift.bytecode.instruction.LabelNode;
  
  import javax.annotation.concurrent.Immutable;
  
  import java.util.Objects;
  
  import static com.google.common.base.MoreObjects.toStringHelper;
  import static java.util.Objects.requireNonNull;
  
  @Immutable
  public class CaseStatement
          implements Comparable<CaseStatement>
  {
      private final int key;
      private final BytecodeNode body;
      private final LabelNode label;
  
      CaseStatement(int key, BytecodeNode body, LabelNode label)
      {
          this.key = key;
          this.body = requireNonNull(body, "body is null");
          this.label = requireNonNull(label, "label is null");
      }
  
      public int getKey()
      {
          return key;
      }
  
      public BytecodeNode getBody()
      {
          return body;
      }
  
      public LabelNode getLabel()
      {
          return label;
      }
  
      @Override
      public int compareTo(CaseStatement o)
      {
          return Integer.compare(key, o.key);
      }
  
      @Override
      public int hashCode()
      {
          return key;
      }
  
      @Override
      public boolean equals(Object obj)
      {
          if (this == obj) {
              return true;
          }
          if (obj == null || getClass() != obj.getClass()) {
              return false;
          }
          CaseStatement other = (CaseStatement) obj;
          return Objects.equals(this.key, other.key);
      }
  
      @Override
      public String toString()
      {
          return toStringHelper(this)
                  .add("key", key)
                  .toString();
      }
  }
  