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Merge "Keep the event information in EventIndex for at most 63 days instead of 64 days"

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This commit is contained in:
Danning Chen
2020-02-19 23:36:03 +00:00
committed by Android (Google) Code Review
parent cc5a5939a0 6fb9750619
commit 2bed6dfd58
1 changed files with 7 additions and 3 deletions
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10
services/people/java/com/android/server/people/data/EventIndex.java
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@@ -61,7 +61,7 @@ import java.util.function.Function;
*/
public class EventIndex {
private static final int LONG_SIZE_BITS = 64;
private static final int RETENTION_DAYS = 63;
private static final int TIME_SLOT_ONE_DAY = 0;
@@ -202,7 +202,7 @@ public class EventIndex {
updateEventBitmaps(currentTime);
for (int slotType = 0; slotType < TIME_SLOT_TYPES_COUNT; slotType++) {
int offset = diffTimeSlots(slotType, eventTime, currentTime);
if (offset < LONG_SIZE_BITS) {
if (offset < Long.SIZE) {
mEventBitmaps[slotType] |= (1L << offset);
}
}
@@ -236,12 +236,16 @@ public class EventIndex {
private void updateEventBitmaps(long currentTimeMillis) {
for (int slotType = 0; slotType < TIME_SLOT_TYPES_COUNT; slotType++) {
int offset = diffTimeSlots(slotType, mLastUpdatedTime, currentTimeMillis);
if (offset < LONG_SIZE_BITS) {
if (offset < Long.SIZE) {
mEventBitmaps[slotType] <<= offset;
} else {
mEventBitmaps[slotType] = 0L;
}
}
int bitsToClear = Long.SIZE - RETENTION_DAYS;
mEventBitmaps[TIME_SLOT_ONE_DAY] <<= bitsToClear;
mEventBitmaps[TIME_SLOT_ONE_DAY] >>>= bitsToClear;
mLastUpdatedTime = currentTimeMillis;
}