jodd-db/src/main/java/jodd/db/oom/DbEntityDescriptor.java
public String getKeyValue(final E object) {
		Object idValue = getIdValue(object);

		String idValueString = idValue == null ?  StringPool.NULL : idValue.toString();

		return type.getName().concat(StringPool.COLON).concat(idValueString);
	}
public String getKeyValue(final E object) {
		Object idValue = getIdValue(object);

		String idValueString = idValue == null ?  StringPool.NULL : idValue.toString();

		return type.getName().concat(StringPool.COLON).concat(idValueString);
	}
Returns unique key for this entity. Returned key
is built from entity class and id value.