Cache getActiveDataSubscriptionId Binder calls am: 7d7ce5135c (ec2f9e41) · Commits · e / os / android_frameworks_base

telephony/java/android/telephony/SubscriptionManager.java

+33 −0

Original line number	Diff line number	Diff line
		@@ -139,6 +139,10 @@ public class SubscriptionManager {
		public static final String CACHE_KEY_DEFAULT_DATA_SUB_ID_PROPERTY =
		"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 PropertyInvalidatedCache<Void, Integer> sDefaultSubIdCache =
		@@ -157,6 +161,14 @@ public class SubscriptionManager {
		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
		* on the given subscriptionId
		@@ -3289,6 +3301,10 @@ public class SubscriptionManager {
		* SubscriptionManager.INVALID_SUBSCRIPTION_ID if not.
		*/
		public static int getActiveDataSubscriptionId() {
		return sActiveDataSubIdCache.query(null);
		}

		private static int getActiveDataSubscriptionIdInternal() {
		try {
		ISub iSub = TelephonyManager.getSubscriptionService();
		if (iSub != null) {
		@@ -3324,6 +3340,11 @@ public class SubscriptionManager {
		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.
		*
		@@ -3332,5 +3353,17 @@ public class SubscriptionManager {
		public static void clearCaches() {
		sDefaultSubIdCache.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();
		}
		}