Class Status

java/src/main/java/org/rocksdb/Status.java:14–138

Represents the status returned by a function call in RocksDB. Currently only used with RocksDBException when the status is not Code#Ok

 * status is not {@link Code#Ok}
 */
public class Status {
  private final Code code;
  /* @Nullable */ private final SubCode subCode;
  /* @Nullable */ private final String state;

  public Status(final Code code, final SubCode subCode, final String state) {
    this.code = code;
    this.subCode = subCode;
    this.state = state;
  }

  /**
   * Intentionally private as this will be called from JNI
   */
  private Status(final byte code, final byte subCode, final String state) {
    this.code = Code.getCode(code);
    this.subCode = SubCode.getSubCode(subCode);
    this.state = state;
  }

  public Code getCode() {
    return code;
  }

  public SubCode getSubCode() {
    return subCode;
  }

  public String getState() {
    return state;
  }

  public String getCodeString() {
    final StringBuilder builder = new StringBuilder()
        .append(code.name());
    if(subCode != null && subCode != SubCode.None) {
      builder.append("(")
          .append(subCode.name())
          .append(")");
    }
    return builder.toString();
  }

  // should stay in sync with /include/rocksdb/status.h:Code and /java/rocksjni/portal.h:toJavaStatusCode
  public enum Code {
    Ok(                 (byte)0x0),
    NotFound(           (byte)0x1),
    Corruption(         (byte)0x2),
    NotSupported(       (byte)0x3),
    InvalidArgument(    (byte)0x4),
    IOError(            (byte)0x5),
    MergeInProgress(    (byte)0x6),
    Incomplete(         (byte)0x7),
    ShutdownInProgress( (byte)0x8),
    TimedOut(           (byte)0x9),
    Aborted(            (byte)0xA),
    Busy(               (byte)0xB),
    Expired(            (byte)0xC),