content: /**
   * Copyright 2020 Alibaba Group Holding Limited.
   *
   * <p>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
   *
   * <p>http://www.apache.org/licenses/LICENSE-2.0
   *
   * <p>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 com.alibaba.graphscope.groot.store.jna;
  
  import com.sun.jna.Pointer;
  import com.sun.jna.Structure;
  
  import java.io.Closeable;
  import java.io.IOException;
  
  @Structure.FieldOrder({"success", "hasDdl", "errMsg", "data", "len"})
  public class JnaResponse extends Structure implements Closeable {
  
      public int success;
      public int hasDdl;
      public String errMsg;
      public Pointer data;
      public int len;
  
      public boolean success() {
          return success == 1;
      }
  
      public boolean hasDdl() {
          return hasDdl == 1;
      }
  
      public String getErrMsg() {
          return errMsg;
      }
  
      public byte[] getData() {
          if (this.data != null) {
              return this.data.getByteArray(0, this.len);
          } else {
              return null;
          }
      }
  
      @Override
      public void close() throws IOException {
          setAutoSynch(false);
          GraphLibrary.INSTANCE.dropJnaResponse(this);
      }
  }
  