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

Example 41 with MapRecord

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

the class TestRecordPath method testContainsRegex.

@Test
public void testContainsRegex() {
    final List<RecordField> fields = new ArrayList<>();
    fields.add(new RecordField("id", RecordFieldType.INT.getDataType()));
    fields.add(new RecordField("name", RecordFieldType.STRING.getDataType()));
    final RecordSchema schema = new SimpleRecordSchema(fields);
    final Map<String, Object> values = new HashMap<>();
    values.put("id", 48);
    values.put("name", "John Doe");
    final Record record = new MapRecord(schema, values);
    assertEquals("John Doe", RecordPath.compile("/name[containsRegex(., 'o')]").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals("John Doe", RecordPath.compile("/name[containsRegex(., '[xo]')]").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals(0L, RecordPath.compile("/name[containsRegex(., 'x')]").evaluate(record).getSelectedFields().count());
}

Example 42 with MapRecord

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

the class TestRecordPath method testMapKey.

@Test
public void testMapKey() {
    final RecordSchema schema = new SimpleRecordSchema(getDefaultFields());
    final Map<String, String> attributes = new HashMap<>();
    attributes.put("city", "New York");
    attributes.put("state", "NY");
    final Map<String, Object> values = new HashMap<>();
    values.put("id", 48);
    values.put("name", "John Doe");
    values.put("attributes", attributes);
    final Record record = new MapRecord(schema, values);
    final FieldValue fieldValue = RecordPath.compile("/attributes['city']").evaluate(record).getSelectedFields().findFirst().get();
    assertTrue(fieldValue.getField().getFieldName().equals("attributes"));
    assertEquals("New York", fieldValue.getValue());
    assertEquals(record, fieldValue.getParentRecord().get());
}

Example 43 with MapRecord

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

the class TestRecordPath method testSubstringAfterFunction.

@Test
public void testSubstringAfterFunction() {
    final List<RecordField> fields = new ArrayList<>();
    fields.add(new RecordField("id", RecordFieldType.INT.getDataType()));
    fields.add(new RecordField("name", RecordFieldType.STRING.getDataType()));
    final RecordSchema schema = new SimpleRecordSchema(fields);
    final Map<String, Object> values = new HashMap<>();
    values.put("id", 48);
    values.put("name", "John Doe");
    final Record record = new MapRecord(schema, values);
    assertEquals("hn Doe", RecordPath.compile("substringAfter(/name, 'o')").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals("John Doe", RecordPath.compile("substringAfter(/name, 'XYZ')").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals("John Doe", RecordPath.compile("substringAfter(/name, '')").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals("e", RecordPath.compile("substringAfterLast(/name, 'o')").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals("John Doe", RecordPath.compile("substringAfterLast(/name, 'XYZ')").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals("John Doe", RecordPath.compile("substringAfterLast(/name, '')").evaluate(record).getSelectedFields().findFirst().get().getValue());
}

Example 44 with MapRecord

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

the class TestRecordPath method testEqualsPredicate.

@Test
public void testEqualsPredicate() {
    final Map<String, Object> accountValues = new HashMap<>();
    accountValues.put("id", 1);
    accountValues.put("balance", 123.45D);
    final Record accountRecord = new MapRecord(getAccountSchema(), accountValues);
    final RecordSchema schema = new SimpleRecordSchema(getDefaultFields());
    final Map<String, Object> values = new HashMap<>();
    values.put("id", 48);
    values.put("name", "John Doe");
    values.put("mainAccount", accountRecord);
    values.put("numbers", new Object[] { 1, 2, 3, 4, 4, 4, 5 });
    final Record record = new MapRecord(schema, values);
    List<FieldValue> fieldValues = RecordPath.compile("/numbers[0..-1][. = 4]").evaluate(record).getSelectedFields().collect(Collectors.toList());
    assertEquals(3, fieldValues.size());
    for (final FieldValue fieldValue : fieldValues) {
        final String fieldName = fieldValue.getField().getFieldName();
        assertEquals("numbers", fieldName);
        assertEquals(RecordFieldType.INT, fieldValue.getField().getDataType().getFieldType());
        assertEquals(4, fieldValue.getValue());
        assertEquals(record, fieldValue.getParentRecord().get());
    }
    fieldValues = RecordPath.compile("//id[. = 48]").evaluate(record).getSelectedFields().collect(Collectors.toList());
    assertEquals(1, fieldValues.size());
    final FieldValue fieldValue = fieldValues.get(0);
    assertEquals("id", fieldValue.getField().getFieldName());
    assertEquals(RecordFieldType.INT.getDataType(), fieldValue.getField().getDataType());
    assertEquals(48, fieldValue.getValue());
    assertEquals(record, fieldValue.getParentRecord().get());
}

Example 45 with MapRecord

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

the class TestRecordPath method testReplaceNull.

@Test
public void testReplaceNull() {
    final List<RecordField> fields = new ArrayList<>();
    fields.add(new RecordField("id", RecordFieldType.INT.getDataType()));
    fields.add(new RecordField("name", RecordFieldType.STRING.getDataType()));
    fields.add(new RecordField("missing", RecordFieldType.LONG.getDataType()));
    final RecordSchema schema = new SimpleRecordSchema(fields);
    final Map<String, Object> values = new HashMap<>();
    values.put("id", 48);
    values.put("name", "John Doe");
    final Record record = new MapRecord(schema, values);
    assertEquals(48, RecordPath.compile("replaceNull(/missing, /id)").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals(14, RecordPath.compile("replaceNull(/missing, 14)").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals(48, RecordPath.compile("replaceNull(/id, 14)").evaluate(record).getSelectedFields().findFirst().get().getValue());
}