import org.iotivity.cloud.base.exception.ServerException.InternalServerErrorException;
import org.iotivity.cloud.base.protocols.IRequest;
+/**
+ *
+ * This class provides a set of APIs to manage group
+ *
+ */
+
public class GroupManager {
public HashMap<String, Group> mGroups = new HashMap<>();
private TypeCastingManager<GroupTable> mTypeGroup = new TypeCastingManager<GroupTable>();
+ /**
+ * API to create a public or private group
+ *
+ * @param uuid
+ * User id which provided by Sign-up process
+ * @param gtype
+ * group type (ex: "Private" or "Public)
+ * @return response payload which includes the created group ID
+ */
public HashMap<String, Object> createGroup(String uuid, String gtype) {
HashMap<String, Object> responsePayload = new HashMap<>();
String gid = null;
switch (gtype) {
+ // if the group type is "Private", group id becomes the name of user
+ // id itself
case Constants.REQ_GTYPE_PRIVATE:
gid = uuid;
break;
+ // if the group type is "Public", group id is randomly generated
case Constants.REQ_GTYPE_PUBLIC:
gid = UUID.randomUUID().toString();
break;
new HashSet<String>(Arrays.asList(uuid)), null, uuid, null,
gtype);
+ // record newly generated group information to the group table
AccountDBManager.getInstance().insertRecord(Constants.GROUP_TABLE,
mTypeGroup.convertObjectToMap(newGroupTable));
return responsePayload;
}
+ /**
+ * API to delete a group
+ *
+ * @param gmid
+ * An unique identifier of member who must be a group master.
+ * Group master can be user or resource client.
+ * @param gid
+ * An unique identifier of the group created under user entity
+ * who requested for group creation.
+ */
public void deleteGroup(String gmid, String gid) {
HashMap<String, Object> condition = new HashMap<>();
mGroups.remove(gid);
}
+ /**
+ * API to delete a device ID from all groups
+ *
+ * @param uid
+ * User id which provided by Sign-up process
+ * @param di
+ * device id to be deleted from all groups
+ */
+
+ public void removeGroupDeviceinEveryGroup(String uid, String di) {
+ // check if the device is the resource server (i.e., device ID exists in
+ // the private group table
+ if (GroupResource.getInstance().verifyDeviceInGroup(uid, di)) {
+ // token table search criteria
+ HashMap<String, Object> condition = new HashMap<>();
+ condition.put(Constants.REQ_DEVICE_ID_LIST, di);
+ // read group record which contains device ID in each group
+ ArrayList<HashMap<String, Object>> groupRecord = AccountDBManager
+ .getInstance()
+ .selectRecord(Constants.GROUP_TABLE, condition);
+ // update group record to the DB
+ for (HashMap<String, Object> record : groupRecord) {
+ String gid = (String) record.get(Constants.KEYFIELD_GID);
+ HashSet<String> diSet = new HashSet<>();
+ diSet.add(di);
+ GroupResource.getInstance().removeGroupDevice(gid, diSet);
+ }
+ }
+ }
+
+ /**
+ * API to get group list where the each group has uuid as a member
+ *
+ * @param uuid
+ * User id which is provided by Sign-up process
+ * @return response payload which has the list of groups where each group
+ * has uuid as a member id
+ *
+ */
public HashMap<String, Object> getGroupList(String uuid) {
HashMap<String, Object> responsePayload = new HashMap<>();
throw new BadRequestException("midList is invalid in Group");
}
- HashSet<String> midListSet = new HashSet<String>(
+ HashSet<String> midListSet = new HashSet<>(
(Collection<? extends String>) getGroupTable.getMidlist());
if (midListSet.contains(uuid) && getGroupTable.getGtype()
return responsePayload;
}
+ /**
+ * API to add the member user id list to the group table in the db
+ *
+ * @param gid
+ * group id
+ * @param midlist
+ * User id list to be added to the group
+ */
public void addGroupMember(String gid, HashSet<String> midlist) {
getGroup(gid).addMember(midlist);
}
+ /**
+ * API to add the device id list to the group table in the db
+ *
+ * @param gid
+ * group id
+ * @param dilist
+ * device id list to be added to the group
+ */
public void addGroupDevice(String gid, HashSet<String> dilist) {
getGroup(gid).addDevice(dilist);
}
+ /**
+ * API to remove the member user id list from the group table in the db
+ *
+ * @param gid
+ * group id
+ * @param midlist
+ * member user id list to be removed from the group
+ */
public void removeGroupMember(String gid, HashSet<String> midlist) {
getGroup(gid).removeMember(midlist);
}
+ /**
+ * API to remove the device id list from the group table in the db
+ *
+ * @param gid
+ * group id
+ * @param dilist
+ * device id list to be removed from the group
+ */
public void removeGroupDevice(String gid, HashSet<String> dilist) {
getGroup(gid).removeDevice(dilist);
}
+ /**
+ * API to get the group information from the db
+ *
+ * @param gid
+ * group id
+ * @param mid
+ * An unique Identifier of the member(query requester) who is
+ * expected as a member of a group
+ * @return group information payload
+ */
public HashMap<String, Object> getGroupInfo(String gid, String mid) {
return getGroup(gid).getInfo(mid);
}
+ /**
+ * API to check if the device is in the group
+ *
+ * @param gid
+ * group id
+ * @param di
+ * device id
+ * @return true if the device exists in the group or false if the device is
+ * not in the group
+ */
+ public boolean verifyDeviceInGroup(String gid, String di) {
+ try {
+ return getGroup(gid).checkDeviceExistance(di);
+ } catch (NullPointerException e) {
+ // if getGroup(gid) throws NullPointerException
+ return false;
+ }
+ }
+
+ /**
+ * API to add a group subscriber of a specific group
+ *
+ * @param gid
+ * group id to subscribe
+ * @param mid
+ * An unique Identifier of the member(query requester) who is
+ * expected as a member of a group
+ * @param srcDevice
+ * subscriber device
+ * @param request
+ * request message
+ * @return group information payload
+ */
public HashMap<String, Object> addGroupSubscriber(String gid, String mid,
Device srcDevice, IRequest request) {
return getGroup(gid).addSubscriber(mid, srcDevice, request);
}
+ /**
+ * API to unsubscribe group information
+ *
+ * @param gid
+ * group id to subscribe
+ * @param mid
+ * user Id to unscribe group information
+ * @return group information payload
+ */
public HashMap<String, Object> removeGroupSubscriber(String gid,
String mid) {
return getGroup(gid).removeSubscriber(mid);
}
+ /**
+ * API to get group information for a certain group
+ *
+ * @param gid
+ * group id to get
+ * @return group information
+ */
public Group getGroup(String gid) {
return mGroups.get(gid);
projects / platform / upstream / iotivity.git / blobdiff