Examples with SchemaNameAsAttribute org.apache.nifi.schema.access.SchemaNameAsAttribute used on opensource projects

Example 16 with SchemaNameAsAttribute

use of org.apache.nifi.schema.access.SchemaNameAsAttribute in project nifi by apache.

the class TestWriteJsonResult method testWriteSerializedForm.

@Test
public void testWriteSerializedForm() throws IOException {
    final List<RecordField> fields = new ArrayList<>();
    fields.add(new RecordField("name", RecordFieldType.STRING.getDataType()));
    fields.add(new RecordField("age", RecordFieldType.INT.getDataType()));
    final RecordSchema schema = new SimpleRecordSchema(fields);
    final Map<String, Object> values1 = new HashMap<>();
    values1.put("name", "John Doe");
    values1.put("age", 42);
    final String serialized1 = "{ \"name\": \"John Doe\",    \"age\": 42 }";
    final SerializedForm serializedForm1 = SerializedForm.of(serialized1, "application/json");
    final Record record1 = new MapRecord(schema, values1, serializedForm1);
    final Map<String, Object> values2 = new HashMap<>();
    values2.put("name", "Jane Doe");
    values2.put("age", 43);
    final String serialized2 = "{ \"name\": \"Jane Doe\",    \"age\": 43 }";
    final SerializedForm serializedForm2 = SerializedForm.of(serialized2, "application/json");
    final Record record2 = new MapRecord(schema, values1, serializedForm2);
    final RecordSet rs = RecordSet.of(schema, record1, record2);
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    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 byte[] data = baos.toByteArray();
    final String expected = "[ " + serialized1 + ", " + serialized2 + " ]";
    final String output = new String(data, StandardCharsets.UTF_8);
    assertEquals(expected, output);
}

Example 17 with SchemaNameAsAttribute

use of org.apache.nifi.schema.access.SchemaNameAsAttribute 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);
}