Refactor SubscriptionManager caching code am: 29b1874ffc (2ec58b11) · Commits · e / os / android_frameworks_base

Android.bp

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1121,6 +1121,7 @@ filegroup {
	"core/java/com/android/internal/os/SomeArgs.java",		"core/java/com/android/internal/os/SomeArgs.java",
	"core/java/com/android/internal/util/BitwiseInputStream.java",		"core/java/com/android/internal/util/BitwiseInputStream.java",
	"core/java/com/android/internal/util/BitwiseOutputStream.java",		"core/java/com/android/internal/util/BitwiseOutputStream.java",
			"core/java/com/android/internal/util/FunctionalUtils.java",
	"core/java/com/android/internal/util/HexDump.java",		"core/java/com/android/internal/util/HexDump.java",
	"core/java/com/android/internal/util/IndentingPrintWriter.java",		"core/java/com/android/internal/util/IndentingPrintWriter.java",
	"core/java/com/android/internal/util/Preconditions.java",		"core/java/com/android/internal/util/Preconditions.java",

telephony/java/android/telephony/SubscriptionManager.java

+44 −47

Original line number	Original line	Diff line number	Diff line
	@@ -63,6 +63,7 @@ import com.android.internal.telephony.ISetOpportunisticDataCallback;
	import com.android.internal.telephony.ISub;		import com.android.internal.telephony.ISub;
	import com.android.internal.telephony.PhoneConstants;		import com.android.internal.telephony.PhoneConstants;
	import com.android.internal.telephony.util.HandlerExecutor;		import com.android.internal.telephony.util.HandlerExecutor;
			import com.android.internal.util.FunctionalUtils;
	import com.android.internal.util.Preconditions;		import com.android.internal.util.Preconditions;
	import com.android.telephony.Rlog;		import com.android.telephony.Rlog;

	@@ -149,21 +150,49 @@ public class SubscriptionManager {

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

	private static PropertyInvalidatedCache<Void, Integer> sDefaultSubIdCache =		private static class SubscriptionPropertyInvalidatedCache<T>
	new PropertyInvalidatedCache<Void, Integer>(		extends PropertyInvalidatedCache<Void, T> {
	MAX_CACHE_SIZE, CACHE_KEY_DEFAULT_SUB_ID_PROPERTY) {		private final FunctionalUtils.ThrowingFunction<ISub, T> mSubscriptionInterfaceMethod;
	@Override		private final String mCacheKeyProperty;
	protected Integer recompute(Void query) {		private final T mDefaultValue;
	return getDefaultSubscriptionIdInternal();
	}};		SubscriptionPropertyInvalidatedCache(
			FunctionalUtils.ThrowingFunction<ISub, T> subscriptionInterfaceMethod,
			String cacheKeyProperty,
			T defaultValue) {
			super(MAX_CACHE_SIZE, cacheKeyProperty);
			mSubscriptionInterfaceMethod = subscriptionInterfaceMethod;
			mCacheKeyProperty = cacheKeyProperty;
			mDefaultValue = defaultValue;
			}

	private static PropertyInvalidatedCache<Void, Integer> sDefaultDataSubIdCache =
	new PropertyInvalidatedCache<Void, Integer>(
	MAX_CACHE_SIZE, CACHE_KEY_DEFAULT_DATA_SUB_ID_PROPERTY) {
	@Override		@Override
	protected Integer recompute(Void query) {		protected T recompute(Void aVoid) {
	return getDefaultDataSubscriptionIdInternal();		T result = mDefaultValue;
	}};
			try {
			ISub iSub = TelephonyManager.getSubscriptionService();
			if (iSub != null) {
			result = mSubscriptionInterfaceMethod.applyOrThrow(iSub);
			}
			} catch (Exception ex) {
			Rlog.w(LOG_TAG, "Failed to recompute cache key for " + mCacheKeyProperty);
			}

			if (VDBG) logd("recomputing " + mCacheKeyProperty + ", result = " + result);
			return result;
			}
			}

			private static SubscriptionPropertyInvalidatedCache<Integer> sDefaultSubIdCache =
			new SubscriptionPropertyInvalidatedCache<>(ISub::getDefaultSubId,
			CACHE_KEY_DEFAULT_SUB_ID_PROPERTY,
			INVALID_SUBSCRIPTION_ID);

			private static SubscriptionPropertyInvalidatedCache<Integer> sDefaultDataSubIdCache =
			new SubscriptionPropertyInvalidatedCache<>(ISub::getDefaultDataSubId,
			CACHE_KEY_DEFAULT_DATA_SUB_ID_PROPERTY,
			INVALID_SUBSCRIPTION_ID);

	private static PropertyInvalidatedCache<Void, Integer> sDefaultSmsSubIdCache =		private static PropertyInvalidatedCache<Void, Integer> sDefaultSmsSubIdCache =
	new SubscriptionPropertyInvalidatedCache<>(ISub::getDefaultSmsSubId,		new SubscriptionPropertyInvalidatedCache<>(ISub::getDefaultSmsSubId,
	@@ -1888,22 +1917,6 @@ public class SubscriptionManager {
	return sDefaultSubIdCache.query(null);		return sDefaultSubIdCache.query(null);
	}		}

	private static int getDefaultSubscriptionIdInternal() {
	int subId = INVALID_SUBSCRIPTION_ID;

	try {
	ISub iSub = TelephonyManager.getSubscriptionService();
	if (iSub != null) {
	subId = iSub.getDefaultSubId();
	}
	} catch (RemoteException ex) {
	// ignore it
	}

	if (VDBG) logd("getDefaultSubId=" + subId);
	return subId;
	}

	/**		/**
	* Returns the system's default voice subscription id.		* Returns the system's default voice subscription id.
	*		*
	@@ -2045,22 +2058,6 @@ public class SubscriptionManager {
	return sDefaultDataSubIdCache.query(null);		return sDefaultDataSubIdCache.query(null);
	}		}

	private static int getDefaultDataSubscriptionIdInternal() {
	int subId = INVALID_SUBSCRIPTION_ID;

	try {
	ISub iSub = TelephonyManager.getSubscriptionService();
	if (iSub != null) {
	subId = iSub.getDefaultDataSubId();
	}
	} catch (RemoteException ex) {
	// ignore it
	}

	if (VDBG) logd("getDefaultDataSubscriptionId, sub id = " + subId);
	return subId;
	}

	/**		/**
	* Set the subscription which will be used by default for data, with the subscription which		* Set the subscription which will be used by default for data, with the subscription which
	* the supplied subscription ID corresponds to; or throw a RuntimeException if the supplied		* the supplied subscription ID corresponds to; or throw a RuntimeException if the supplied