/**
* Deletes the entity on the server.
*
* @return an ApiResponse object
*/
public ApiResponse destroy() {
ApiResponse response = new ApiResponse();
String type = getType();
String uuidAsString = null;
UUID uuid = getUuid();
if (uuid != null) {
uuidAsString = uuid.toString();
} else {
String error = "Error trying to delete object: No UUID specified.";
this.client.writeLog(error);
response.setError(error);
// response.setErrorCode(error);
return response;
}
response = this.client.removeEntity(type, uuidAsString);
if ((response != null) && (response.getError() != null)) {
this.client.writeLog("Entity could not be deleted.");
} else {
this.properties.clear();
}
return response;
}
/**
* Deletes the provided entity on the server, then updates the Collection object by calling
* fetch(). Executes synchronously.
*
* @param entity an Entity object that contains a 'type' and 'uuid' property
*/
public ApiResponse destroyEntity(Entity entity) {
ApiResponse response = entity.destroy();
if (response.getError() != null) {
this.client.writeLog("Could not destroy entity.");
} else {
response = this.fetch();
}
return response;
}
/**
* Adds an entity to the Collection object.
*
* @param entityData a Map object of entity properties to be saved in the entity
* @return an Entity object that represents the newly added entity. Must include a 'type'
* property. Executes synchronously.
*/
public Entity addEntity(Map<String, Object> entityData) {
Entity entity = null;
ApiResponse response = this.client.createEntity(entityData);
if ((response != null) && (response.getError() == null) && (response.getEntityCount() > 0)) {
entity = response.getFirstEntity();
if (entity != null) {
this.list.add(entity);
}
}
return entity;
}
/**
* Fetches the current state of the entity from the server and saves it in the Entity object. Runs
* synchronously.
*
* @return an ApiResponse object
*/
public ApiResponse fetch() {
ApiResponse response = new ApiResponse();
String type = this.getType();
UUID uuid = this.getUuid(); // may be NULL
String entityId = null;
if (uuid != null) {
entityId = uuid.toString();
} else {
if (User.isSameType(type)) {
String username = this.getStringProperty(User.PROPERTY_USERNAME);
if ((username != null) && (username.length() > 0)) {
entityId = username;
} else {
String error = "no_username_specified";
this.client.writeLog(error);
response.setError(error);
// response.setErrorCode(error);
return response;
}
} else {
String name = this.getStringProperty(PROPERTY_NAME);
if ((name != null) && (name.length() > 0)) {
entityId = name;
} else {
String error = "no_name_specified";
this.client.writeLog(error);
response.setError(error);
// response.setErrorCode(error);
return response;
}
}
}
Query q =
this.client.queryEntitiesRequest(
"GET",
null,
null,
this.client.getOrganizationId(),
this.client.getApplicationId(),
type,
entityId);
response = q.getResponse();
if (response.getError() != null) {
this.client.writeLog("Could not get entity.");
} else {
if (response.getUser() != null) {
this.addProperties(response.getUser().getProperties());
} else if (response.getEntityCount() > 0) {
Entity entity = response.getFirstEntity();
this.setProperties(entity.getProperties());
}
}
return response;
}
/**
* Saves the Entity object as an entity on the server. Any conflicting properties on the server
* will be overwritten. Runs synchronously.
*
* @return an ApiResponse object
*/
public ApiResponse save() {
ApiResponse response = null;
UUID uuid = this.getUuid();
boolean entityAlreadyExists = false;
if (client.isUuidValid(uuid)) {
entityAlreadyExists = true;
}
// copy over all properties except some specific ones
Map<String, Object> data = new HashMap<String, Object>();
Set<String> keySet = this.properties.keySet();
Iterator<String> keySetIter = keySet.iterator();
while (keySetIter.hasNext()) {
String key = keySetIter.next();
if (!key.equals(PROPERTY_METADATA)
&& !key.equals(PROPERTY_CREATED)
&& !key.equals(PROPERTY_MODIFIED)
&& !key.equals(PROPERTY_ACTIVATED)
&& !key.equals(PROPERTY_UUID)) {
data.put(key, this.properties.get(key));
}
}
if (entityAlreadyExists) {
// update it
response = this.client.updateEntity(uuid.toString(), data);
} else {
// create it
response = this.client.createEntity(data);
}
if (response.getError() != null) {
this.client.writeLog("Could not save entity.");
} else {
if (response.getEntityCount() > 0) {
Entity entity = response.getFirstEntity();
this.setProperties(entity.getProperties());
}
}
return response;
}
/**
* Retrieves the current state of the collection from the server, and populates an the Collection
* object with the returned set of entities. Executes synchronously.
*
* @return an ApiResponse object
*/
public ApiResponse fetch() {
if (this.cursor != null) {
this.qs.put("cursor", this.cursor);
}
Query query =
this.client.queryEntitiesRequest(
"GET",
this.qs,
null,
this.client.getOrganizationId(),
this.client.getApplicationId(),
this.type);
ApiResponse response = query.getResponse();
if (response.getError() != null) {
this.client.writeLog("Error getting collection.");
} else {
String theCursor = response.getCursor();
int count = response.getEntityCount();
UUID nextUUID = response.getNext();
if (nextUUID != null) {
this.next = nextUUID.toString();
} else {
this.next = null;
}
this.cursor = theCursor;
this.saveCursor(theCursor);
if (count > 0) {
this.resetEntityPointer();
this.list = new ArrayList<Entity>();
List<Entity> retrievedEntities = response.getEntities();
for (Entity retrievedEntity : retrievedEntities) {
if (retrievedEntity.getUuid() != null) {
retrievedEntity.setType(this.type);
this.list.add(retrievedEntity);
}
}
}
}
return response;
}
