Merge "Reduce auto-cork delay to 50ms" (3623577c) · Commits · e / os / android_frameworks_base

core/java/android/app/PropertyInvalidatedCache.java

+7 −3

Original line number	Diff line number	Diff line
		@@ -413,7 +413,7 @@ public abstract class PropertyInvalidatedCache<Query, Result> {
		public final void disableLocal() {
		synchronized (mLock) {
		mDisabled = true;
		mCache.clear();
		clear();
		}
		}

		@@ -463,7 +463,7 @@ public abstract class PropertyInvalidatedCache<Query, Result> {
		cacheName(), mCache.size(),
		mLastSeenNonce, currentNonce));
		}
		mCache.clear();
		clear();
		mLastSeenNonce = currentNonce;
		cachedResult = null;
		}
		@@ -728,9 +728,13 @@ public abstract class PropertyInvalidatedCache<Query, Result> {
		* It's better to use explicit cork and uncork pairs that tighly surround big batches of
		* invalidations, but it's not always practical to tell where these invalidation batches
		* might occur. AutoCorker's time-based corking is a decent alternative.
		*
		* The auto-cork delay is configurable but it should not be too long. The purpose of
		* the delay is to minimize the number of times a server writes to the system property
		* when invalidating the cache. One write every 50ms does not hurt system performance.
		*/
		public static final class AutoCorker {
		public static final int DEFAULT_AUTO_CORK_DELAY_MS = 2000;
		public static final int DEFAULT_AUTO_CORK_DELAY_MS = 50;

		private final String mPropertyName;
		private final int mAutoCorkDelayMs;