* @see #getString(Field, Object)
     */
    public static String getString(final Field field) throws IllegalAccessRuntimeException {
        assertArgumentNotNull("field", field);

        return getString(field, null);
    }

    /**
     * {@link Field}の値を {@link String}として取得します。
     *
     * @param field
     *            フィールド。{@literal null}であってはいけません

        final Field field = getClass().getField("objectField");
        final Integer testData = new Integer(123);
        FieldUtil.set(field, this, testData);
        assertThat((Integer) FieldUtil.get(field, this), is(testData));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetIntField() throws Exception {
        final Field field = getClass().getField("intField");

    protected AvgAggregationBuilder regAvgA(String name, String field) {
        AvgAggregationBuilder builder = AggregationBuilders.avg(name).field(field);
        regA(builder);
        return builder;
    }

    protected MaxAggregationBuilder regMaxA(String name, String field) {
        MaxAggregationBuilder builder = AggregationBuilders.max(name).field(field);
        regA(builder);
        return builder;
    }

    protected AvgAggregationBuilder regAvgA(String name, String field) {
        AvgAggregationBuilder builder = AggregationBuilders.avg(name).field(field);
        regA(builder);
        return builder;
    }

    protected MaxAggregationBuilder regMaxA(String name, String field) {
        MaxAggregationBuilder builder = AggregationBuilders.max(name).field(field);
        regA(builder);
        return builder;
    }

                Field[] fields = FIELDS_BY_CLASS.computeIfAbsent(cls, k -> cls.getDeclaredFields());

                for (Field field : fields) {
                    Class<?> type = field.getType();
                    if (isQualifiedForInterpolation(field, type)) {
                        boolean isAccessible = field.isAccessible();
                        field.setAccessible(true);
                        try {

     * @param field
     *            フィールド。{@literal null}であってはいけません
     */
    public FieldDescImpl(final BeanDesc beanDesc, final Field field) {
        assertArgumentNotNull("beanDesc", beanDesc);
        assertArgumentNotNull("field", field);

        this.beanDesc = beanDesc;
        this.field = field;
        fieldName = field.getName();
        fieldType = field.getType();

            final float boost, final String field, final String[] texts) {
        final String text = String.join(" ", texts);

        if (Constants.DEFAULT_FIELD.equals(field)) {
            context.addFieldLog(field, text);
            stream(texts).of(stream -> stream.forEach(t -> context.addHighlightedQuery(t)));

                assertEquals("0", list.get(0).get(ID_FIELD));
                assertEquals("9", list.get(1).get(ID_FIELD));
                assertEquals("1", list.get(2).get(ID_FIELD));
                assertEquals("8", list.get(3).get(ID_FIELD));
                assertEquals("2", list.get(4).get(ID_FIELD));
                assertEquals("7", list.get(5).get(ID_FIELD));
                assertEquals("3", list.get(6).get(ID_FIELD));

        final Term term = fuzzyQuery.getTerm();
        final String field = getSearchField(context.getDefaultField(), term.field());

        if (Constants.DEFAULT_FIELD.equals(field)) {
            final String text = term.text();
            context.addFieldLog(field, text);
            context.addHighlightedQuery(text);
            return buildDefaultQueryBuilder(fessConfig, context,

      throws IllegalAccessException {
    for (Field field : relevantFields(clazz)) {
      assertEquals(
          upperToHttpHeaderName(field.getName(), specialCases, uppercaseAcronyms), field.get(null));
    }
  }

  // Visible for other tests to use
  static ImmutableSet<Field> relevantFields(Class<?> cls) {
    ImmutableSet.Builder<Field> builder = ImmutableSet.builder();
    for (Field field : cls.getDeclaredFields()) {
      /*