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

Example 46 with RecordField

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

the class TestJsonTreeRowRecordReader method testReadUnicodeCharacters.

@Test
public void testReadUnicodeCharacters() throws IOException, MalformedRecordException {
    final List<RecordField> fromFields = new ArrayList<>();
    fromFields.add(new RecordField("id", RecordFieldType.LONG.getDataType()));
    fromFields.add(new RecordField("name", RecordFieldType.STRING.getDataType()));
    final RecordSchema fromSchema = new SimpleRecordSchema(fromFields);
    final DataType fromType = RecordFieldType.RECORD.getRecordDataType(fromSchema);
    final List<RecordField> fields = new ArrayList<>();
    fields.add(new RecordField("created_at", RecordFieldType.STRING.getDataType()));
    fields.add(new RecordField("id", RecordFieldType.LONG.getDataType()));
    fields.add(new RecordField("unicode", RecordFieldType.STRING.getDataType()));
    fields.add(new RecordField("from", fromType));
    final RecordSchema schema = new SimpleRecordSchema(fields);
    try (final InputStream in = new FileInputStream(new File("src/test/resources/json/json-with-unicode.json"));
        final JsonTreeRowRecordReader reader = new JsonTreeRowRecordReader(in, Mockito.mock(ComponentLog.class), schema, dateFormat, timeFormat, timestampFormat)) {
        final Object[] firstRecordValues = reader.nextRecord().getValues();
        final Object secondValue = firstRecordValues[1];
        assertTrue(secondValue instanceof Long);
        assertEquals(832036744985577473L, secondValue);
        final Object unicodeValue = firstRecordValues[2];
        assertEquals("\u3061\u3083\u6ce3\u304d\u305d\u3046", unicodeValue);
        assertNull(reader.nextRecord());
    }
}

Example 47 with RecordField

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

the class TestJsonTreeRowRecordReader method testElementWithNestedArray.

@Test
public void testElementWithNestedArray() throws IOException, MalformedRecordException {
    final DataType accountRecordType = RecordFieldType.RECORD.getRecordDataType(getAccountSchema());
    final DataType accountsType = RecordFieldType.ARRAY.getArrayDataType(accountRecordType);
    final List<RecordField> fields = getDefaultFields();
    fields.add(new RecordField("accounts", accountsType));
    fields.remove(new RecordField("balance", RecordFieldType.DOUBLE.getDataType()));
    final RecordSchema schema = new SimpleRecordSchema(fields);
    try (final InputStream in = new FileInputStream(new File("src/test/resources/json/single-element-nested-array.json"));
        final JsonTreeRowRecordReader reader = new JsonTreeRowRecordReader(in, Mockito.mock(ComponentLog.class), schema, dateFormat, timeFormat, timestampFormat)) {
        final List<String> fieldNames = schema.getFieldNames();
        final List<String> expectedFieldNames = Arrays.asList(new String[] { "id", "name", "address", "city", "state", "zipCode", "country", "accounts" });
        assertEquals(expectedFieldNames, fieldNames);
        final List<RecordFieldType> dataTypes = schema.getDataTypes().stream().map(dt -> dt.getFieldType()).collect(Collectors.toList());
        final List<RecordFieldType> expectedTypes = Arrays.asList(new RecordFieldType[] { RecordFieldType.INT, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.ARRAY });
        assertEquals(expectedTypes, dataTypes);
        final Object[] firstRecordValues = reader.nextRecord().getValues();
        final Object[] nonArrayValues = Arrays.copyOfRange(firstRecordValues, 0, firstRecordValues.length - 1);
        Assert.assertArrayEquals(new Object[] { 1, "John Doe", "123 My Street", "My City", "MS", "11111", "USA" }, nonArrayValues);
        final Object lastRecord = firstRecordValues[firstRecordValues.length - 1];
        assertTrue(Object[].class.isAssignableFrom(lastRecord.getClass()));
        assertNull(reader.nextRecord());
    }
}

Example 48 with RecordField

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

the class TestJsonTreeRowRecordReader method testSingleJsonElementWithChoiceFields.

@Test
public void testSingleJsonElementWithChoiceFields() throws IOException, MalformedRecordException {
    // Wraps default fields by Choice data type to test mapping to a Choice type.
    final List<RecordField> choiceFields = getDefaultFields().stream().map(f -> new RecordField(f.getFieldName(), RecordFieldType.CHOICE.getChoiceDataType(f.getDataType()))).collect(Collectors.toList());
    final RecordSchema schema = new SimpleRecordSchema(choiceFields);
    try (final InputStream in = new FileInputStream(new File("src/test/resources/json/single-bank-account.json"));
        final JsonTreeRowRecordReader reader = new JsonTreeRowRecordReader(in, Mockito.mock(ComponentLog.class), schema, dateFormat, timeFormat, timestampFormat)) {
        final List<String> fieldNames = schema.getFieldNames();
        final List<String> expectedFieldNames = Arrays.asList(new String[] { "id", "name", "balance", "address", "city", "state", "zipCode", "country" });
        assertEquals(expectedFieldNames, fieldNames);
        final List<RecordFieldType> expectedTypes = Arrays.asList(new RecordFieldType[] { RecordFieldType.INT, RecordFieldType.STRING, RecordFieldType.DOUBLE, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.STRING });
        final List<RecordField> fields = schema.getFields();
        for (int i = 0; i < schema.getFields().size(); i++) {
            assertTrue(fields.get(i).getDataType() instanceof ChoiceDataType);
            final ChoiceDataType choiceDataType = (ChoiceDataType) fields.get(i).getDataType();
            assertEquals(expectedTypes.get(i), choiceDataType.getPossibleSubTypes().get(0).getFieldType());
        }
        final Object[] firstRecordValues = reader.nextRecord().getValues();
        Assert.assertArrayEquals(new Object[] { 1, "John Doe", 4750.89, "123 My Street", "My City", "MS", "11111", "USA" }, firstRecordValues);
        assertNull(reader.nextRecord());
    }
}

Example 49 with RecordField

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

the class TestJsonTreeRowRecordReader method getAccountSchema.

private RecordSchema getAccountSchema() {
    final List<RecordField> accountFields = new ArrayList<>();
    accountFields.add(new RecordField("id", RecordFieldType.INT.getDataType()));
    accountFields.add(new RecordField("balance", RecordFieldType.DOUBLE.getDataType()));
    final RecordSchema accountSchema = new SimpleRecordSchema(accountFields);
    return accountSchema;
}

Example 50 with RecordField

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

the class TestJsonTreeRowRecordReader method testElementWithNestedData.

@Test
public void testElementWithNestedData() throws IOException, MalformedRecordException {
    final DataType accountType = RecordFieldType.RECORD.getRecordDataType(getAccountSchema());
    final List<RecordField> fields = getDefaultFields();
    fields.add(new RecordField("account", accountType));
    fields.remove(new RecordField("balance", RecordFieldType.DOUBLE.getDataType()));
    final RecordSchema schema = new SimpleRecordSchema(fields);
    try (final InputStream in = new FileInputStream(new File("src/test/resources/json/single-element-nested.json"));
        final JsonTreeRowRecordReader reader = new JsonTreeRowRecordReader(in, Mockito.mock(ComponentLog.class), schema, dateFormat, timeFormat, timestampFormat)) {
        final List<RecordFieldType> dataTypes = schema.getDataTypes().stream().map(dt -> dt.getFieldType()).collect(Collectors.toList());
        final List<RecordFieldType> expectedTypes = Arrays.asList(new RecordFieldType[] { RecordFieldType.INT, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.STRING, RecordFieldType.RECORD });
        assertEquals(expectedTypes, dataTypes);
        final Object[] firstRecordValues = reader.nextRecord().getValues();
        final Object[] allButLast = Arrays.copyOfRange(firstRecordValues, 0, firstRecordValues.length - 1);
        Assert.assertArrayEquals(new Object[] { 1, "John Doe", "123 My Street", "My City", "MS", "11111", "USA" }, allButLast);
        final Object last = firstRecordValues[firstRecordValues.length - 1];
        assertTrue(Record.class.isAssignableFrom(last.getClass()));
        final Record record = (Record) last;
        assertEquals(42, record.getValue("id"));
        assertEquals(4750.89, record.getValue("balance"));
        assertNull(reader.nextRecord());
    }
}