Examples with FieldMapRecord org.apache.nifi.repository.schema.FieldMapRecord used on opensource projects

Example 6 with FieldMapRecord

use of org.apache.nifi.repository.schema.FieldMapRecord in project nifi by apache.

the class LookupTableEventRecord method createExplicitSameOrNoneValue.

private NamedValue createExplicitSameOrNoneValue(final Record newValue, final Record oldValue, final Supplier<Record> recordSupplier) {
    if (newValue == null || EventFieldNames.NO_VALUE.equals(newValue.getSchema().getFields().get(0).getFieldName())) {
        final Map<RecordField, Object> lookupValues = Collections.singletonMap(LookupTableEventRecordFields.NO_VALUE, EventFieldNames.NO_VALUE);
        final Record record = new FieldMapRecord(lookupValues, LookupTableEventSchema.NO_VALUE_SCHEMA);
        final NamedValue namedValue = new NamedValue(EventFieldNames.NO_VALUE, record);
        return namedValue;
    } else if (newValue.equals(oldValue)) {
        final Map<RecordField, Object> lookupValues = Collections.singletonMap(LookupTableEventRecordFields.UNCHANGED_VALUE, EventFieldNames.UNCHANGED_VALUE);
        final Record record = new FieldMapRecord(lookupValues, LookupTableEventSchema.UNCHANGED_VALUE_SCHEMA);
        final NamedValue namedValue = new NamedValue(EventFieldNames.UNCHANGED_VALUE, record);
        return namedValue;
    }
    final Record record = recordSupplier.get();
    final NamedValue namedValue = new NamedValue(EventFieldNames.EXPLICIT_VALUE, record);
    return namedValue;
}