/**
* @param dataAttributeId The ID of the Data Attribute belonging to this instance.
* @param dataObjectInstanceId The ID of the Data Object Instance belonging to this instance.
* @param dataObjectInstance The Data Object Instance belonging to this instance.
*/
public DataAttributeInstance(
int dataAttributeId, int dataObjectInstanceId, DataObjectInstance dataObjectInstance) {
this.dataAttributeId = dataAttributeId;
this.dataObjectInstanceId = dataObjectInstanceId;
this.dataObjectInstance = dataObjectInstance;
this.type = dbDataAttributeInstance.getType(dataAttributeId);
if (dbDataAttributeInstance.existDataAttributeInstance(dataAttributeId, dataObjectInstanceId)) {
// creates an existing Attribute Instance using the database information
this.dataAttributeInstanceId =
dbDataAttributeInstance.getDataAttributeInstanceID(dataAttributeId, dataObjectInstanceId);
} else {
// creates a new Attribute Instance also in database
this.dataAttributeInstanceId =
dbDataAttributeInstance.createNewDataAttributeInstance(
dataAttributeId, dataObjectInstanceId);
}
this.value = dbDataAttributeInstance.getValue(dataAttributeInstanceId);
this.name = dbDataAttributeInstance.getName(dataAttributeId);
}
/**
* Sets the value of the data attribute instance. It get also written in the database.
*
* @param value to set.
*/
public void setValue(Object value) {
this.value = value;
dbDataAttributeInstance.setValue(dataAttributeInstanceId, value);
}