static boolean isRelationshipField(ISearchField field) {
if (AbstractSearchField.class.isInstance(field)) {
AbstractSearchField selection = (AbstractSearchField) field;
return selection.getRootField().getDataType().equals(DataTypeEnum.RELATIONSHIP)
&& (selection.getInnerField() == null
|| selection.getInnerField().equals(InternalFieldEnum.ID.getDbName()));
}
return false;
}
@Override
public boolean isIndexUsable(ISearchField field, MetaClass metaClass) {
Collection<IndexInfo> indexes = metaClass.getIndexesOnField(field.getFieldName());
for (IndexInfo index : indexes) {
String firstKey = index.getKeyList().get(0);
MetaField metaField = metaClass.getFieldByName(firstKey);
String physicalKeyName = getFieldValueName(metaField);
if (metaField.getDataType().equals(DataTypeEnum.RELATIONSHIP)) {
physicalKeyName =
metaField.getFlattenValueDbName()
+ AbstractEntityIDHelper.DOT
+ InternalFieldEnum.ID.getDbName();
}
if (physicalKeyName.equals(field.getFullDbName())) {
return true;
}
}
return false;
}