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

Example 31 with MapRecord

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

the class TestRecordPath method testRootRecord.

@Test
public void testRootRecord() {
    final RecordSchema schema = new SimpleRecordSchema(getDefaultFields());
    final Map<String, Object> values = new HashMap<>();
    values.put("id", 48);
    values.put("name", "John Doe");
    final Record record = new MapRecord(schema, values);
    final FieldValue fieldValue = RecordPath.compile("/").evaluate(record).getSelectedFields().findFirst().get();
    assertEquals(Optional.empty(), fieldValue.getParent());
    assertEquals(record, fieldValue.getValue());
}

Example 32 with MapRecord

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

the class TestRecordPath method testDescendantField.

@Test
public void testDescendantField() {
    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);
    final Record record = new MapRecord(schema, values);
    final List<FieldValue> fieldValues = RecordPath.compile("//id").evaluate(record).getSelectedFields().collect(Collectors.toList());
    assertEquals(2, fieldValues.size());
    final FieldValue first = fieldValues.get(0);
    final FieldValue second = fieldValues.get(1);
    assertEquals(RecordFieldType.INT, first.getField().getDataType().getFieldType());
    assertEquals(RecordFieldType.INT, second.getField().getDataType().getFieldType());
    assertEquals(48, first.getValue());
    assertEquals(1, second.getValue());
}

Example 33 with MapRecord

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

the class TestRecordPath method testRelativePathOnly.

@Test
public void testRelativePathOnly() {
    final RecordSchema schema = new SimpleRecordSchema(getDefaultFields());
    final Map<String, Object> values = new HashMap<>();
    values.put("id", 48);
    values.put("name", "John Doe");
    final Record record = new MapRecord(schema, values);
    final FieldValue recordFieldValue = new StandardFieldValue(record, new RecordField("record", RecordFieldType.RECORD.getDataType()), null);
    final List<FieldValue> fieldValues = RecordPath.compile("./name").evaluate(record, recordFieldValue).getSelectedFields().collect(Collectors.toList());
    assertEquals(1, fieldValues.size());
    final FieldValue fieldValue = fieldValues.get(0);
    assertEquals("John Doe", fieldValue.getValue());
    assertEquals(record, fieldValue.getParentRecord().get());
    assertEquals("name", fieldValue.getField().getFieldName());
}

Example 34 with MapRecord

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

the class TestRecordPath method testMapWildcard.

@Test
public void testMapWildcard() {
    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 List<FieldValue> fieldValues = RecordPath.compile("/attributes[*]").evaluate(record).getSelectedFields().collect(Collectors.toList());
    assertEquals(2, fieldValues.size());
    assertEquals("New York", fieldValues.get(0).getValue());
    assertEquals("NY", fieldValues.get(1).getValue());
    for (final FieldValue fieldValue : fieldValues) {
        assertEquals("attributes", fieldValue.getField().getFieldName());
        assertEquals(record, fieldValue.getParentRecord().get());
    }
    RecordPath.compile("/attributes[*]").evaluate(record).getSelectedFields().forEach(field -> field.updateValue("Unknown"));
    assertEquals("Unknown", attributes.get("city"));
    assertEquals("Unknown", attributes.get("state"));
    RecordPath.compile("/attributes[*][fieldName(.) = 'attributes']").evaluate(record).getSelectedFields().forEach(field -> field.updateValue("Unknown"));
    assertEquals("Unknown", attributes.get("city"));
    assertEquals("Unknown", attributes.get("state"));
}

Example 35 with MapRecord

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

the class TestRecordPath method testReplace.

@Test
public void testReplace() {
    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[replace(../id, 48, 18) = 18]").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals(0L, RecordPath.compile("/name[replace(../id, 48, 18) = 48]").evaluate(record).getSelectedFields().count());
    assertEquals("Jane Doe", RecordPath.compile("replace(/name, 'ohn', 'ane')").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals("John Doe", RecordPath.compile("replace(/name, 'ohnny', 'ane')").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals("John 48", RecordPath.compile("replace(/name, 'Doe', /id)").evaluate(record).getSelectedFields().findFirst().get().getValue());
    assertEquals("23", RecordPath.compile("replace(/id, 48, 23)").evaluate(record).getSelectedFields().findFirst().get().getValue());
}