Examples with RecordFieldType org.apache.nifi.serialization.record.RecordFieldType used on opensource projects

Example 21 with RecordFieldType

use of org.apache.nifi.serialization.record.RecordFieldType in project nifi by apache.

the class TestWriteJsonResult method testDataTypes.

@Test
public void testDataTypes() throws IOException, ParseException {
    final List<RecordField> fields = new ArrayList<>();
    for (final RecordFieldType fieldType : RecordFieldType.values()) {
        if (fieldType == RecordFieldType.CHOICE) {
            final List<DataType> possibleTypes = new ArrayList<>();
            possibleTypes.add(RecordFieldType.INT.getDataType());
            possibleTypes.add(RecordFieldType.LONG.getDataType());
            fields.add(new RecordField(fieldType.name().toLowerCase(), fieldType.getChoiceDataType(possibleTypes)));
        } else if (fieldType == RecordFieldType.MAP) {
            fields.add(new RecordField(fieldType.name().toLowerCase(), fieldType.getMapDataType(RecordFieldType.INT.getDataType())));
        } else {
            fields.add(new RecordField(fieldType.name().toLowerCase(), fieldType.getDataType()));
        }
    }
    final RecordSchema schema = new SimpleRecordSchema(fields);
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final DateFormat df = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss.SSS");
    df.setTimeZone(TimeZone.getTimeZone("gmt"));
    final long time = df.parse("2017/01/01 17:00:00.000").getTime();
    final Map<String, Object> map = new LinkedHashMap<>();
    map.put("height", 48);
    map.put("width", 96);
    final Map<String, Object> valueMap = new LinkedHashMap<>();
    valueMap.put("string", "string");
    valueMap.put("boolean", true);
    valueMap.put("byte", (byte) 1);
    valueMap.put("char", 'c');
    valueMap.put("short", (short) 8);
    valueMap.put("int", 9);
    valueMap.put("bigint", BigInteger.valueOf(8L));
    valueMap.put("long", 8L);
    valueMap.put("float", 8.0F);
    valueMap.put("double", 8.0D);
    valueMap.put("date", new Date(time));
    valueMap.put("time", new Time(time));
    valueMap.put("timestamp", new Timestamp(time));
    valueMap.put("record", null);
    valueMap.put("array", null);
    valueMap.put("choice", 48L);
    valueMap.put("map", map);
    final Record record = new MapRecord(schema, valueMap);
    final RecordSet rs = RecordSet.of(schema, record);
    try (final WriteJsonResult writer = new WriteJsonResult(Mockito.mock(ComponentLog.class), schema, new SchemaNameAsAttribute(), baos, true, NullSuppression.NEVER_SUPPRESS, RecordFieldType.DATE.getDefaultFormat(), RecordFieldType.TIME.getDefaultFormat(), RecordFieldType.TIMESTAMP.getDefaultFormat())) {
        writer.write(rs);
    }
    final String output = baos.toString();
    final String expected = new String(Files.readAllBytes(Paths.get("src/test/resources/json/output/dataTypes.json")));
    assertEquals(expected, output);
}