Merge "Remove UsageStats files older than 2 years." (36089163) · Commits · e / os / android_frameworks_base

services/usage/java/com/android/server/usage/UsageStatsDatabase.java

+12 −2

Original line number	Diff line number	Diff line
		@@ -178,7 +178,12 @@ public class UsageStatsDatabase {
		}

		checkVersionAndBuildLocked();
		// Perform a pruning of older files if there was an upgrade, otherwise do indexing.
		if (mUpgradePerformed) {
		prune(currentTimeMillis); // prune performs an indexing when done
		} else {
		indexFilesLocked();
		}

		// Delete files that are in the future.
		for (TimeSparseArray<AtomicFile> files : mSortedStatFiles) {
		@@ -914,26 +919,31 @@ public class UsageStatsDatabase {
		*/
		public void prune(final long currentTimeMillis) {
		synchronized (mLock) {
		// prune all files older than 2 years in the yearly directory
		mCal.setTimeInMillis(currentTimeMillis);
		mCal.addYears(-3);
		mCal.addYears(-2);
		pruneFilesOlderThan(mIntervalDirs[UsageStatsManager.INTERVAL_YEARLY],
		mCal.getTimeInMillis());

		// prune all files older than 6 months in the monthly directory
		mCal.setTimeInMillis(currentTimeMillis);
		mCal.addMonths(-6);
		pruneFilesOlderThan(mIntervalDirs[UsageStatsManager.INTERVAL_MONTHLY],
		mCal.getTimeInMillis());

		// prune all files older than 4 weeks in the weekly directory
		mCal.setTimeInMillis(currentTimeMillis);
		mCal.addWeeks(-4);
		pruneFilesOlderThan(mIntervalDirs[UsageStatsManager.INTERVAL_WEEKLY],
		mCal.getTimeInMillis());

		// prune all files older than 10 days in the weekly directory
		mCal.setTimeInMillis(currentTimeMillis);
		mCal.addDays(-10);
		pruneFilesOlderThan(mIntervalDirs[UsageStatsManager.INTERVAL_DAILY],
		mCal.getTimeInMillis());

		// prune chooser counts for all usage stats older than the defined period
		mCal.setTimeInMillis(currentTimeMillis);
		mCal.addDays(-SELECTION_LOG_RETENTION_LEN);
		for (int i = 0; i < mIntervalDirs.length; ++i) {