Cache getActiveDataSubscriptionId Binder calls am: 7d7ce5135c am: a23075f363 (c26f625d) · Commits · e / os / android_frameworks_base

telephony/java/android/telephony/SubscriptionManager.java

+33 −0

Original line number	Original line	Diff line number	Diff line
	@@ -139,6 +139,10 @@ public class SubscriptionManager {
	public static final String CACHE_KEY_DEFAULT_DATA_SUB_ID_PROPERTY =		public static final String CACHE_KEY_DEFAULT_DATA_SUB_ID_PROPERTY =
	"cache_key.telephony.get_default_data_sub_id";		"cache_key.telephony.get_default_data_sub_id";

			/** @hide */
			public static final String CACHE_KEY_ACTIVE_DATA_SUB_ID_PROPERTY =
			"cache_key.telephony.get_active_data_sub_id";

	private static final int MAX_CACHE_SIZE = 4;		private static final int MAX_CACHE_SIZE = 4;

	private static PropertyInvalidatedCache<Void, Integer> sDefaultSubIdCache =		private static PropertyInvalidatedCache<Void, Integer> sDefaultSubIdCache =
	@@ -157,6 +161,14 @@ public class SubscriptionManager {
	return getDefaultDataSubscriptionIdInternal();		return getDefaultDataSubscriptionIdInternal();
	}};		}};

			private static PropertyInvalidatedCache<Void, Integer> sActiveDataSubIdCache =
			new PropertyInvalidatedCache<Void, Integer>(
			MAX_CACHE_SIZE, CACHE_KEY_ACTIVE_DATA_SUB_ID_PROPERTY) {
			@Override
			protected Integer recompute(Void query) {
			return getActiveDataSubscriptionIdInternal();
			}};

	/**		/**
	* Generates a content {@link Uri} used to receive updates on simInfo change		* Generates a content {@link Uri} used to receive updates on simInfo change
	* on the given subscriptionId		* on the given subscriptionId
	@@ -3285,6 +3297,10 @@ public class SubscriptionManager {
	* SubscriptionManager.INVALID_SUBSCRIPTION_ID if not.		* SubscriptionManager.INVALID_SUBSCRIPTION_ID if not.
	*/		*/
	public static int getActiveDataSubscriptionId() {		public static int getActiveDataSubscriptionId() {
			return sActiveDataSubIdCache.query(null);
			}

			private static int getActiveDataSubscriptionIdInternal() {
	try {		try {
	ISub iSub = TelephonyManager.getSubscriptionService();		ISub iSub = TelephonyManager.getSubscriptionService();
	if (iSub != null) {		if (iSub != null) {
	@@ -3320,6 +3336,11 @@ public class SubscriptionManager {
	PropertyInvalidatedCache.invalidateCache(CACHE_KEY_DEFAULT_DATA_SUB_ID_PROPERTY);		PropertyInvalidatedCache.invalidateCache(CACHE_KEY_DEFAULT_DATA_SUB_ID_PROPERTY);
	}		}

			/** @hide */
			public static void invalidateActiveDataSubIdCaches() {
			PropertyInvalidatedCache.invalidateCache(CACHE_KEY_ACTIVE_DATA_SUB_ID_PROPERTY);
			}

	/**		/**
	* Clears all process-local binder caches.		* Clears all process-local binder caches.
	*		*
	@@ -3328,5 +3349,17 @@ public class SubscriptionManager {
	public static void clearCaches() {		public static void clearCaches() {
	sDefaultSubIdCache.clear();		sDefaultSubIdCache.clear();
	sDefaultDataSubIdCache.clear();		sDefaultDataSubIdCache.clear();
			sActiveDataSubIdCache.clear();
			}

			/**
			* Allows a test process to disable client-side caching operations.
			*
			* @hide
			*/
			public static void disableCaching() {
			sDefaultSubIdCache.disableLocal();
			sDefaultDataSubIdCache.disableLocal();
			sActiveDataSubIdCache.disableLocal();
	}		}
	}		}