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

Example 96 with MapRecord

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

the class TestWriteJsonResult method testExtraFieldInWriteRawRecord.

@Test
public void testExtraFieldInWriteRawRecord() throws IOException {
    final List<RecordField> fields = new ArrayList<>();
    fields.add(new RecordField("id", RecordFieldType.STRING.getDataType()));
    final RecordSchema schema = new SimpleRecordSchema(fields);
    final Map<String, Object> values = new LinkedHashMap<>();
    values.put("id", "1");
    values.put("name", "John");
    final Record record = new MapRecord(schema, values);
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try (final WriteJsonResult writer = new WriteJsonResult(Mockito.mock(ComponentLog.class), schema, new SchemaNameAsAttribute(), baos, false, NullSuppression.NEVER_SUPPRESS, null, null, null)) {
        writer.beginRecordSet();
        writer.writeRawRecord(record);
        writer.finishRecordSet();
    }
    final byte[] data = baos.toByteArray();
    final String expected = "[{\"id\":\"1\",\"name\":\"John\"}]";
    final String output = new String(data, StandardCharsets.UTF_8);
    assertEquals(expected, output);
}

Example 97 with MapRecord

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

the class TestWriteJsonResult method testTimestampWithNullFormat.

@Test
public void testTimestampWithNullFormat() throws IOException {
    final Map<String, Object> values = new HashMap<>();
    values.put("timestamp", new java.sql.Timestamp(37293723L));
    values.put("time", new java.sql.Time(37293723L));
    values.put("date", new java.sql.Date(37293723L));
    final List<RecordField> fields = new ArrayList<>();
    fields.add(new RecordField("timestamp", RecordFieldType.TIMESTAMP.getDataType()));
    fields.add(new RecordField("time", RecordFieldType.TIME.getDataType()));
    fields.add(new RecordField("date", RecordFieldType.DATE.getDataType()));
    final RecordSchema schema = new SimpleRecordSchema(fields);
    final Record record = new MapRecord(schema, values);
    final RecordSet rs = RecordSet.of(schema, record);
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try (final WriteJsonResult writer = new WriteJsonResult(Mockito.mock(ComponentLog.class), schema, new SchemaNameAsAttribute(), baos, false, NullSuppression.NEVER_SUPPRESS, null, null, null)) {
        writer.write(rs);
    }
    final byte[] data = baos.toByteArray();
    final String expected = "[{\"timestamp\":37293723,\"time\":37293723,\"date\":37293723}]";
    final String output = new String(data, StandardCharsets.UTF_8);
    assertEquals(expected, output);
}

Example 98 with MapRecord

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

the class TestWriteJsonResult method testMissingFieldInWriteRawRecord.

@Test
public void testMissingFieldInWriteRawRecord() throws IOException {
    final List<RecordField> fields = new ArrayList<>();
    fields.add(new RecordField("id", RecordFieldType.STRING.getDataType()));
    fields.add(new RecordField("name", RecordFieldType.STRING.getDataType()));
    final RecordSchema schema = new SimpleRecordSchema(fields);
    final Map<String, Object> values = new LinkedHashMap<>();
    values.put("id", "1");
    final Record record = new MapRecord(schema, values);
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try (final WriteJsonResult writer = new WriteJsonResult(Mockito.mock(ComponentLog.class), schema, new SchemaNameAsAttribute(), baos, false, NullSuppression.NEVER_SUPPRESS, null, null, null)) {
        writer.beginRecordSet();
        writer.writeRawRecord(record);
        writer.finishRecordSet();
    }
    final byte[] data = baos.toByteArray();
    final String expected = "[{\"id\":\"1\"}]";
    final String output = new String(data, StandardCharsets.UTF_8);
    assertEquals(expected, output);
}

Example 99 with MapRecord

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

the class TestWriteJsonResult method testNullSuppression.

@Test
public void testNullSuppression() throws IOException {
    final List<RecordField> fields = new ArrayList<>();
    fields.add(new RecordField("id", RecordFieldType.STRING.getDataType()));
    fields.add(new RecordField("name", RecordFieldType.STRING.getDataType()));
    final RecordSchema schema = new SimpleRecordSchema(fields);
    final Map<String, Object> values = new LinkedHashMap<>();
    values.put("id", "1");
    final Record recordWithMissingName = new MapRecord(schema, values);
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try (final WriteJsonResult writer = new WriteJsonResult(Mockito.mock(ComponentLog.class), schema, new SchemaNameAsAttribute(), baos, false, NullSuppression.NEVER_SUPPRESS, null, null, null)) {
        writer.beginRecordSet();
        writer.write(recordWithMissingName);
        writer.finishRecordSet();
    }
    assertEquals("[{\"id\":\"1\",\"name\":null}]", new String(baos.toByteArray(), StandardCharsets.UTF_8));
    baos.reset();
    try (final WriteJsonResult writer = new WriteJsonResult(Mockito.mock(ComponentLog.class), schema, new SchemaNameAsAttribute(), baos, false, NullSuppression.ALWAYS_SUPPRESS, null, null, null)) {
        writer.beginRecordSet();
        writer.write(recordWithMissingName);
        writer.finishRecordSet();
    }
    assertEquals("[{\"id\":\"1\"}]", new String(baos.toByteArray(), StandardCharsets.UTF_8));
    baos.reset();
    try (final WriteJsonResult writer = new WriteJsonResult(Mockito.mock(ComponentLog.class), schema, new SchemaNameAsAttribute(), baos, false, NullSuppression.SUPPRESS_MISSING, null, null, null)) {
        writer.beginRecordSet();
        writer.write(recordWithMissingName);
        writer.finishRecordSet();
    }
    assertEquals("[{\"id\":\"1\"}]", new String(baos.toByteArray(), StandardCharsets.UTF_8));
    // set an explicit null value
    values.put("name", null);
    final Record recordWithNullValue = new MapRecord(schema, values);
    baos.reset();
    try (final WriteJsonResult writer = new WriteJsonResult(Mockito.mock(ComponentLog.class), schema, new SchemaNameAsAttribute(), baos, false, NullSuppression.NEVER_SUPPRESS, null, null, null)) {
        writer.beginRecordSet();
        writer.write(recordWithNullValue);
        writer.finishRecordSet();
    }
    assertEquals("[{\"id\":\"1\",\"name\":null}]", new String(baos.toByteArray(), StandardCharsets.UTF_8));
    baos.reset();
    try (final WriteJsonResult writer = new WriteJsonResult(Mockito.mock(ComponentLog.class), schema, new SchemaNameAsAttribute(), baos, false, NullSuppression.ALWAYS_SUPPRESS, null, null, null)) {
        writer.beginRecordSet();
        writer.write(recordWithNullValue);
        writer.finishRecordSet();
    }
    assertEquals("[{\"id\":\"1\"}]", new String(baos.toByteArray(), StandardCharsets.UTF_8));
    baos.reset();
    try (final WriteJsonResult writer = new WriteJsonResult(Mockito.mock(ComponentLog.class), schema, new SchemaNameAsAttribute(), baos, false, NullSuppression.SUPPRESS_MISSING, null, null, null)) {
        writer.beginRecordSet();
        writer.write(recordWithNullValue);
        writer.finishRecordSet();
    }
    assertEquals("[{\"id\":\"1\",\"name\":null}]", new String(baos.toByteArray(), StandardCharsets.UTF_8));
}

Example 100 with MapRecord

use of org.apache.nifi.serialization.record.MapRecord 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);
}