Merge "media: adding MediaFormat.KEY_IMPORTANCE" into main
diff --git a/core/java/com/android/internal/util/RingBuffer.java b/core/java/com/android/internal/util/RingBuffer.java
index 8fc4c30..7f8c8a1 100644
--- a/core/java/com/android/internal/util/RingBuffer.java
+++ b/core/java/com/android/internal/util/RingBuffer.java
@@ -19,7 +19,10 @@
import static com.android.internal.util.Preconditions.checkArgumentPositive;
import java.lang.reflect.Array;
+import java.lang.reflect.InvocationTargetException;
import java.util.Arrays;
+import java.util.function.IntFunction;
+import java.util.function.Supplier;
/**
* A simple ring buffer structure with bounded capacity backed by an array.
@@ -29,16 +32,35 @@
*/
public class RingBuffer<T> {
+ private final Supplier<T> mNewItem;
// Array for storing events.
private final T[] mBuffer;
// Cursor keeping track of the logical end of the array. This cursor never
// wraps and instead keeps track of the total number of append() operations.
private long mCursor = 0;
+ /**
+ * @deprecated This uses reflection to create new instances.
+ * Use {@link #RingBuffer(Supplier, IntFunction, int)}} instead.
+ */
+ @Deprecated
public RingBuffer(Class<T> c, int capacity) {
+ this(() -> (T) createNewItem(c), cap -> (T[]) Array.newInstance(c, cap), capacity);
+ }
+
+ private static Object createNewItem(Class c) {
+ try {
+ return c.getDeclaredConstructor().newInstance();
+ } catch (IllegalAccessException | InstantiationException | NoSuchMethodException
+ | InvocationTargetException e) {
+ return null;
+ }
+ }
+
+ public RingBuffer(Supplier<T> newItem, IntFunction<T[]> newBacking, int capacity) {
checkArgumentPositive(capacity, "A RingBuffer cannot have 0 capacity");
- // Java cannot create generic arrays without a runtime hint.
- mBuffer = (T[]) Array.newInstance(c, capacity);
+ mBuffer = newBacking.apply(capacity);
+ mNewItem = newItem;
}
public int size() {
@@ -68,22 +90,11 @@
public T getNextSlot() {
final int nextSlotIdx = indexOf(mCursor++);
if (mBuffer[nextSlotIdx] == null) {
- mBuffer[nextSlotIdx] = createNewItem();
+ mBuffer[nextSlotIdx] = mNewItem.get();
}
return mBuffer[nextSlotIdx];
}
- /**
- * @return a new object of type <T> or null if a new object could not be created.
- */
- protected T createNewItem() {
- try {
- return (T) mBuffer.getClass().getComponentType().newInstance();
- } catch (IllegalAccessException | InstantiationException e) {
- return null;
- }
- }
-
public T[] toArray() {
// Only generic way to create a T[] from another T[]
T[] out = Arrays.copyOf(mBuffer, size(), (Class<T[]>) mBuffer.getClass());
diff --git a/services/core/java/com/android/server/net/NetworkPolicyLogger.java b/services/core/java/com/android/server/net/NetworkPolicyLogger.java
index 4d19ead..d7188c7 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyLogger.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyLogger.java
@@ -42,7 +42,6 @@
import android.util.Log;
import android.util.Slog;
-import com.android.internal.annotations.Keep;
import com.android.internal.util.IndentingPrintWriter;
import com.android.internal.util.RingBuffer;
import com.android.server.am.ProcessList;
@@ -414,7 +413,7 @@
private static final Date sDate = new Date();
public LogBuffer(int capacity) {
- super(Data.class, capacity);
+ super(Data::new, Data[]::new, capacity);
}
public void uidStateChanged(int uid, int procState, long procStateSeq,
@@ -690,12 +689,8 @@
/**
* Container class for all networkpolicy events data.
- *
- * Note: This class needs to be public for RingBuffer class to be able to create
- * new instances of this.
*/
- @Keep
- public static final class Data {
+ private static final class Data {
public int type;
public long timeStamp;
diff --git a/services/usage/java/com/android/server/usage/BroadcastResponseStatsLogger.java b/services/usage/java/com/android/server/usage/BroadcastResponseStatsLogger.java
index 336bfdd..a8fd6f2 100644
--- a/services/usage/java/com/android/server/usage/BroadcastResponseStatsLogger.java
+++ b/services/usage/java/com/android/server/usage/BroadcastResponseStatsLogger.java
@@ -35,11 +35,13 @@
import android.util.TimeUtils;
import com.android.internal.annotations.GuardedBy;
-import com.android.internal.annotations.Keep;
import com.android.internal.util.IndentingPrintWriter;
import com.android.internal.util.RingBuffer;
import com.android.server.usage.BroadcastResponseStatsTracker.NotificationEventType;
+import java.util.function.IntFunction;
+import java.util.function.Supplier;
+
public class BroadcastResponseStatsLogger {
private static final int MAX_LOG_SIZE =
@@ -49,10 +51,10 @@
@GuardedBy("mLock")
private final LogBuffer mBroadcastEventsBuffer = new LogBuffer(
- BroadcastEvent.class, MAX_LOG_SIZE);
+ BroadcastEvent::new, BroadcastEvent[]::new, MAX_LOG_SIZE);
@GuardedBy("mLock")
private final LogBuffer mNotificationEventsBuffer = new LogBuffer(
- NotificationEvent.class, MAX_LOG_SIZE);
+ NotificationEvent::new, NotificationEvent[]::new, MAX_LOG_SIZE);
void logBroadcastDispatchEvent(int sourceUid, @NonNull String targetPackage,
UserHandle targetUser, long idForResponseEvent,
@@ -96,8 +98,8 @@
private static final class LogBuffer<T extends Data> extends RingBuffer<T> {
- LogBuffer(Class<T> classType, int capacity) {
- super(classType, capacity);
+ LogBuffer(Supplier<T> newItem, IntFunction<T[]> newBacking, int capacity) {
+ super(newItem, newBacking, capacity);
}
void logBroadcastDispatchEvent(int sourceUid, @NonNull String targetPackage,
@@ -179,8 +181,7 @@
}
}
- @Keep
- public static final class BroadcastEvent implements Data {
+ private static final class BroadcastEvent implements Data {
public int sourceUid;
public int targetUserId;
public int targetUidProcessState;
@@ -200,8 +201,7 @@
}
}
- @Keep
- public static final class NotificationEvent implements Data {
+ private static final class NotificationEvent implements Data {
public int type;
public String packageName;
public int userId;
@@ -218,7 +218,7 @@
}
}
- public interface Data {
+ private interface Data {
void reset();
}
}