/**
* Modify in the Database the objects in the array received as parameter.
*
* @param An Object that implements java.util.Collection with the items
* @return An ArrayList with the index of each item if collection if from a Reference Collection
* or an ArrayList with the number of item that couldnt be updated if this is not a Collection
* Reference
*/
public ArrayList<Integer> modifyAll(Collection array) {
ArrayList<Integer> results = new ArrayList<Integer>();
try {
boolean commitValue = this.commit;
if (this.commit || this.autoCommit) {
conex.initTransaction();
this.commit = false;
}
Object objects[] = array.toArray();
if (!this.collection) {
for (int i = 0; i < objects.length; i++) {
if (!this.modify(objects[i])) {
results.add(i);
break;
}
}
} else {
this.collection = false;
for (Object obj : objects) {
int index = this.modifyGetIndex(obj);
results.add(index);
}
this.collection = true;
}
this.commit = commitValue;
if (this.commit || this.autoCommit) conex.confirmTransaction();
} catch (SQLException e) {
this.commit = true;
}
return results;
}
/**
* For this method only is the object to be modify. It is necessary to execute obtain previously
* to recover the proper object.
*
* @param Object
* @return True if the modification was successfull, False in the other case
*/
public boolean modify(Object object) {
if (!this.manager.checkOptimisticLock(this, object)) {
throw new OptimisticLockException();
}
boolean value = false;
try {
boolean commitValue = this.commit;
if (this.commit || this.autoCommit) {
conex.initTransaction();
this.commit = false;
}
ArrayList<String> manys = this.manager.getRef().isMany2Many(object.getClass());
if (!manys.isEmpty()) {
if (this.manager.deleteMany2Many(this, object, manys)) {
this.manager.cleanStack();
value = this.save(object);
}
} else {
value = this.modifyProcess(object);
}
this.commit = commitValue;
if (this.commit || this.autoCommit) conex.confirmTransaction();
} catch (SQLException e) {
this.commit = true;
}
return value;
}
/**
* Store the object in the Database (create the Table if not exist) and return the value of the
* PrimaryKey.
*
* @param Object
* @return The value of the PrimaryKey, or -1 if the object couldn't be saved.
*/
public int saveGetIndex(Object object) {
int index = -1;
try {
boolean commitValue = this.commit;
if (this.commit || this.autoCommit) {
conex.initTransaction();
this.commit = false;
}
ArrayList array = this.manager.entity2Array(this, object, EntityManager.OPERATION.SAVE);
index = this.saveProcess(array, object);
this.commit = commitValue;
if (this.commit || this.autoCommit) {
conex.confirmTransaction();
if (this.conex.getConnection().getAutoCommit()) {
this.conex.getConnection().setAutoCommit(false);
}
}
} catch (SQLException e) {
this.commit = true;
}
return index;
}
/**
* Delete the object received as parameter from the Database
*
* @param Object
* @return True if the operation complete successfully, False in the other case.
*/
public boolean delete(Object object) {
try {
boolean commitValue = this.commit;
if (this.commit || this.autoCommit) {
conex.initTransaction();
this.commit = false;
}
ArrayList array = this.manager.entity2Array(this, object, EntityManager.OPERATION.DELETE);
conex.deleteRows(((String) array.get(0)), ((String) array.get(array.size() - 1)));
this.manager.deleteParent(this, object);
// Obtain the attributes from this object that are collections
// and delete their relations in the Relational Table.
ArrayList<String[]> strings = this.manager.getCollectionsTableForDelete(object, this);
int index = (Integer) ((Object[]) array.get(1))[1];
for (String[] s : strings) {
if (this.checkTableExist(s[0])) {
this.executeQuery("DELETE FROM " + s[0] + " WHERE base=" + index);
} else if (this.checkTableExist(s[1])) {
this.executeQuery("DELETE FROM " + s[1] + " WHERE related=" + index);
}
}
this.commit = commitValue;
if (this.commit || this.autoCommit) conex.confirmTransaction();
} catch (Exception e) {
this.commit = true;
try {
conex.cancelTransaction();
} catch (Exception ex) {
return false;
}
return false;
}
return true;
}
/**
* Save all the items in the Collection in the Database
*
* @param An Object that implement java.util.Collection
* @return An ArrayList with the number of elements inserted or an ArrayList with each item index
* if the array received represent a Collection Reference.
*/
public ArrayList<Integer> saveAll(Collection array) {
ArrayList<Integer> results = new ArrayList<Integer>();
try {
boolean commitValue = this.commit;
if (this.commit || this.autoCommit) {
conex.initTransaction();
this.commit = false;
}
Object objects[] = array.toArray();
if (!this.collection) {
for (int i = 0; i < objects.length; i++) {
if (!this.save(objects[i])) {
results.add(i); // throw exception
break;
}
}
} else {
this.collection = false;
for (Object obj : objects) {
results.add(this.saveGetIndex(obj));
}
this.collection = true;
}
this.commit = commitValue;
if (this.commit || this.autoCommit) {
conex.confirmTransaction();
if (this.conex.getConnection().getAutoCommit()) {
this.conex.getConnection().setAutoCommit(false);
}
}
} catch (SQLException e) {
this.commit = true;
}
return results;
}