value = configuration.getAttribute("default-value");
                if (null != value && !value.isEmpty()) {
                    if (evaluator instanceof TypeAwareExpressionEvaluator) {
                        result = ((TypeAwareExpressionEvaluator) evaluator).evaluate(value, type);
                    } else {
                        result = evaluator.evaluate(value);
                    }
                }

   *
   * @param value any value in the range of the {@code short} type
   * @return the {@code short} value that equals {@code value}
   * @throws IllegalArgumentException if {@code value} is greater than {@link Short#MAX_VALUE} or
   *     less than {@link Short#MIN_VALUE}
   */
  public static short checkedCast(long value) {
    short result = (short) value;
    checkArgument(result == value, "Out of range: %s", value);

   *
   * @param value any value in the range of the {@code short} type
   * @return the {@code short} value that equals {@code value}
   * @throws IllegalArgumentException if {@code value} is greater than {@link Short#MAX_VALUE} or
   *     less than {@link Short#MIN_VALUE}
   */
  public static short checkedCast(long value) {
    short result = (short) value;
    checkArgument(result == value, "Out of range: %s", value);

  val tag: Long,
  /** Encode and decode the value once tags are handled. */
  private val codec: Codec<T>,
  /** True if the default value should be used if this value is absent during decoding. */
  val isOptional: Boolean = false,
  /** The value to return if this value is absent. Undefined unless this is optional. */
  val defaultValue: T? = null,
  /** True to set the encoded or decoded value as the type hint for the current SEQUENCE. */

    public void setCreatedBy(String value) {
        registerModifiedProperty("createdBy");
        this.createdBy = value;
    }

    public Long getCreatedTime() {
        checkSpecifiedProperty("createdTime");
        return createdTime;
    }

    public void setCreatedTime(Long value) {
        registerModifiedProperty("createdTime");
        this.createdTime = value;
    }

	ErrUnsupportedRelation = errors.New("unsupported relations")
	// ErrPrimaryKeyRequired primary keys required
	ErrPrimaryKeyRequired = errors.New("primary key required")
	// ErrModelValueRequired model value required
	ErrModelValueRequired = errors.New("model value required")
	// ErrModelAccessibleFieldsRequired model accessible fields required
	ErrModelAccessibleFieldsRequired = errors.New("model accessible fields required")

    private Profile newProfile(String key, String value) {
        ActivationProperty ap =
                ActivationProperty.newBuilder().name(key).value(value).build();

        Activation a = Activation.newBuilder().property(ap).build();

        Profile p = Profile.newBuilder().activation(a).build();

        return p;
    }

    private Properties newProperties(String key, String value) {
        Properties props = new Properties();

  }

  @Override
  public V get(Object key) {
    checkNotNull(key);
    Timestamped<V> value = cachingHashMap.get(key);

    if (value == null) {
      statsCounter.recordMisses(1);
      return null;
    } else if (!isExpired(value)) {
      statsCounter.recordHits(1);
      value.updateTimestamp();
      return value.getValue();
    } else {
      statsCounter.recordEviction();
      statsCounter.recordMisses(1);

			clause.From{},
			clause.Where{Exprs: []clause.Expression{
				clause.Eq{Column: clause.PrimaryColumn, Value: "1"},
				clause.Gt{Column: "age", Value: 18},
				clause.Or(clause.Neq{Column: "name", Value: "jinzhu"}),
			}},
			clause.Where{Exprs: []clause.Expression{
				clause.Or(clause.Gt{Column: "score", Value: 100}, clause.Like{Column: "name", Value: "%linus%"}),
			}},

    /**
     * Set the value of hostname, used in parameter comment. <br>
     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param hostname The parameter value of hostname. (NotNull)
     */
    public void setHostname(String hostname) {
        registerVariable("hostname", hostname);
    }

    /**
     * Set the value of jobname, used in parameter comment. <br>