Change type naming convention. (#315)

* Rename object_id -> ObjectID.

* Rename ray_logger -> RayLogger.

* rename task_id -> TaskID, actor_id -> ActorID, function_id -> FunctionID

* Rename plasma_store_info -> PlasmaStoreInfo.

* Rename plasma_store_state -> PlasmaStoreState.

* Rename plasma_object -> PlasmaObject.

* Rename object_request -> ObjectRequests.

* Rename eviction_state -> EvictionState.

* Bug fix.

* rename db_handle -> DBHandle

* Rename local_scheduler_state -> LocalSchedulerState.

* rename db_client_id -> DBClientID

* rename task -> Task

* make redis.c C++ compatible

* Rename scheduling_algorithm_state -> SchedulingAlgorithmState.

* Rename plasma_connection -> PlasmaConnection.

* Rename client_connection -> ClientConnection.

* Fixes from rebase.

* Rename local_scheduler_client -> LocalSchedulerClient.

* Rename object_buffer -> ObjectBuffer.

* Rename client -> Client.

* Rename notification_queue -> NotificationQueue.

* Rename object_get_requests -> ObjectGetRequests.

* Rename get_request -> GetRequest.

* Rename object_info -> ObjectInfo.

* Rename scheduler_object_info -> SchedulerObjectInfo.

* Rename local_scheduler -> LocalScheduler and some fixes.

* Rename local_scheduler_info -> LocalSchedulerInfo.

* Rename global_scheduler_state -> GlobalSchedulerState.

* Rename global_scheduler_policy_state -> GlobalSchedulerPolicyState.

* Rename object_size_entry -> ObjectSizeEntry.

* Rename aux_address_entry -> AuxAddressEntry.

* Rename various ID helper methods.

* Rename Task helper methods.

* Rename db_client_cache_entry -> DBClientCacheEntry.

* Rename local_actor_info -> LocalActorInfo.

* Rename actor_info -> ActorInfo.

* Rename retry_info -> RetryInfo.

* Rename actor_notification_table_subscribe_data -> ActorNotificationTableSubscribeData.

* Rename local_scheduler_table_send_info_data -> LocalSchedulerTableSendInfoData.

* Rename table_callback_data -> TableCallbackData.

* Rename object_info_subscribe_data -> ObjectInfoSubscribeData.

* Rename local_scheduler_table_subscribe_data -> LocalSchedulerTableSubscribeData.

* Rename more redis call data structures.

* Rename photon_conn PhotonConnection.

* Rename photon_mock -> PhotonMock.

* Fix formatting errors.

src/common/state/db.h

@@ -4,7 +4,7 @@
 #include "common.h"
 #include "event_loop.h"
 
-typedef struct db_handle db_handle;
+typedef struct DBHandle DBHandle;
 
 /**
  * Connect to the global system store.
@@ -21,12 +21,12 @@ typedef struct db_handle db_handle;
  * @return This returns a handle to the database, which must be freed with
  *         db_disconnect after use.
  */
-db_handle *db_connect(const char *db_address,
-                      int db_port,
-                      const char *client_type,
-                      const char *node_ip_address,
-                      int num_args,
-                      const char **args);
+DBHandle *db_connect(const char *db_address,
+                     int db_port,
+                     const char *client_type,
+                     const char *node_ip_address,
+                     int num_args,
+                     const char **args);
 
 /**
  * Attach global system store connection to an event loop. Callbacks from
@@ -38,7 +38,7 @@ db_handle *db_connect(const char *db_address,
  *        reattached to the loop.
  * @return Void.
  */
-void db_attach(db_handle *db, event_loop *loop, bool reattach);
+void db_attach(DBHandle *db, event_loop *loop, bool reattach);
 
 /**
  * Disconnect from the global system store.
@@ -46,7 +46,7 @@ void db_attach(db_handle *db, event_loop *loop, bool reattach);
  * @param db The database connection to close and clean up.
  * @return Void.
  */
-void db_disconnect(db_handle *db);
+void db_disconnect(DBHandle *db);
 
 /**
  * Returns the db client ID.
@@ -54,6 +54,6 @@ void db_disconnect(db_handle *db);
  * @param db The handle to the database.
  * @returns int The db client ID for this connection to the database.
  */
-db_client_id get_db_client_id(db_handle *db);
+DBClientID get_db_client_id(DBHandle *db);
 
 #endif