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[WIP] [persistence] Store the time of the update not the time the store occurred #21160

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[WIP] [persistence] Store the time of the update not the time the store occurred #21160

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491da36
[dynamodb] Store the time of the update not the time the store occurred
mjagdis Jul 11, 2026
5881b35
[dynamodb] Filter criteria are <= and >= not < and >
mjagdis Jul 11, 2026
f3990e4
[dynamodb] Fix tests
mjagdis Jul 11, 2026
94d977d
[inmemory] Store the time of the update not the time the store occurred
mjagdis Jul 11, 2026
15ec1c7
[jdbc] Store the time of the update not the time the store occurred
mjagdis Jul 11, 2026
4737949
[jpa] Store the time of the update not the time the store occurred
mjagdis Jul 11, 2026
e669fa1
[mongodb] Store the time of the update not the time the store occurred
mjagdis Jul 11, 2026
3a4ad70
[rrd4j] Store the time of the update not the time the store occurred
mjagdis Jul 11, 2026
8a2819b
[timescaledb] Store the time of the update not the time the store occ…
mjagdis Jul 12, 2026
5ef2eee
[dynamodb] Fix handling of sortBetween
mjagdis Jul 12, 2026
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3 changes: 2 additions & 1 deletion ...b/src/main/java/org/openhab/persistence/dynamodb/internal/DynamoDBPersistenceService.java
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Expand Up @@ -496,7 +496,8 @@ public void store(Item item) {
@Override
public void store(Item item, @Nullable String alias) {
// Timestamp and capture state immediately as rest of the store is asynchronous (state might change in between)
ZonedDateTime time = ZonedDateTime.now();
ZonedDateTime lastStateUpdate = item.getLastStateUpdate();

@ssalonen ssalonen Jul 12, 2026

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Is it guaranteed by the core that this timestamp is updated when persistence is called?

@mjagdis mjagdis Jul 12, 2026

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Yes. If it isn't mapdb would have been badly broken for a long time and that would be Bad. It would also be a bug in the core since state and update time should change together. (Some might argue that the applies-from time should be part of the state...)

@ssalonen ssalonen Jul 12, 2026

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Hmm what do you think about this AI analysis?

https://claude.ai/share/009bca45-734b-4c29-9d25-eac0eba4291f

I was worried as so much of this happens asynchronously in corr

@mjagdis mjagdis Jul 12, 2026

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It looks like a core bug to me. I'd guess the chances of one of the notify or event jobs getting scheduled, starting up and making "enough" progress before applyState sets the update time is pretty slim. But it does seem wrong.

See Core issue 5711 and PR#5712

ZonedDateTime time = (lastStateUpdate != null ? lastStateUpdate : ZonedDateTime.now());

logIfManyQueuedTasks();
if (!(item instanceof GenericItem)) {
Expand Down
15 changes: 9 additions & 6 deletions ....dynamodb/src/main/java/org/openhab/persistence/dynamodb/internal/DynamoDBQueryUtils.java
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Expand Up @@ -14,6 +14,7 @@

import java.lang.reflect.InvocationTargetException;
import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;

import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
Expand Down Expand Up @@ -194,15 +195,17 @@ private static void addFilterbyItemAndTimeFilter(QueryEnhancedRequest.Builder qu
// No need to place time filter, but we do filter by partition
queryBuilder.queryConditional(QueryConditional.keyEqualTo(k -> k.partitionValue(partition)));
} else if (begin != null && end == null) {
queryBuilder.queryConditional(QueryConditional
.sortGreaterThan(k -> k.partitionValue(partition).sortValue(timeConverter.transformFrom(begin))));
queryBuilder.queryConditional(QueryConditional.sortGreaterThanOrEqualTo(

@ssalonen ssalonen Jul 12, 2026

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Nice find!

k -> k.partitionValue(partition).sortValue(timeConverter.transformFrom(begin))));
} else if (begin == null && end != null) {
queryBuilder.queryConditional(QueryConditional
.sortLessThan(k -> k.partitionValue(partition).sortValue(timeConverter.transformFrom(end))));
queryBuilder.queryConditional(QueryConditional.sortLessThanOrEqualTo(
k -> k.partitionValue(partition).sortValue(timeConverter.transformFrom(end))));
} else if (begin != null && end != null) {
queryBuilder.queryConditional(QueryConditional.sortBetween(
k -> k.partitionValue(partition).sortValue(timeConverter.transformFrom(begin)),
k -> k.partitionValue(partition).sortValue(timeConverter.transformFrom(end))));
k -> k.partitionValue(partition)
.sortValue(timeConverter.transformFrom(begin.truncatedTo(ChronoUnit.MILLIS).minusNanos(1))),
k -> k.partitionValue(partition)
.sortValue(timeConverter.transformFrom(end.truncatedTo(ChronoUnit.MILLIS).plusNanos(1)))));
Comment on lines 204 to +208
}
}

Expand Down
36 changes: 18 additions & 18 deletions ...c/test/java/org/openhab/persistence/dynamodb/internal/AbstractTwoItemIntegrationTest.java
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Expand Up @@ -110,12 +110,12 @@ protected void assertIterableContainsItems(Iterable<HistoricItem> iterable, bool
}

assertStateEquals(getFirstItemState(), storedFirst.getState());
assertTrue(storedFirst.getTimestamp().toInstant().isBefore(afterStore1.toInstant()));
assertTrue(storedFirst.getTimestamp().toInstant().isAfter(beforeStore.toInstant()));
assertTrue(!storedFirst.getTimestamp().toInstant().isAfter(afterStore1.toInstant()));

@ssalonen ssalonen Jul 12, 2026

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Should we instead have sleep (1ms) somewhere?

I think these tests are mainly asserting ordering. If everything would be equal, that would not expected either?

assertTrue(!storedFirst.getTimestamp().toInstant().isBefore(beforeStore.toInstant()));

assertStateEquals(getSecondItemState(), storedSecond.getState());
assertTrue(storedSecond.getTimestamp().toInstant().isBefore(afterStore2.toInstant()));
assertTrue(storedSecond.getTimestamp().toInstant().isAfter(afterStore1.toInstant()));
assertTrue(!storedSecond.getTimestamp().toInstant().isAfter(afterStore2.toInstant()));
assertTrue(!storedSecond.getTimestamp().toInstant().isBefore(afterStore1.toInstant()));
}

@Test
Expand Down Expand Up @@ -225,8 +225,8 @@ public void testQueryUsingNameAndStartAndEndWithNEQOperator() {
HistoricItem actual1 = iterator.next();
assertFalse(iterator.hasNext());
assertStateEquals(getFirstItemState(), actual1.getState());
assertTrue(actual1.getInstant().isBefore(afterStore1.toInstant()));
assertTrue(actual1.getInstant().isAfter(beforeStore.toInstant()));
assertTrue(!actual1.getInstant().isAfter(afterStore1.toInstant()));
assertTrue(!actual1.getInstant().isBefore(beforeStore.toInstant()));
});
}

Expand All @@ -246,8 +246,8 @@ public void testQueryUsingNameAndStartAndEndWithEQOperator() {
HistoricItem actual1 = iterator.next();
assertFalse(iterator.hasNext());
assertStateEquals(getFirstItemState(), actual1.getState());
assertTrue(actual1.getInstant().isBefore(afterStore1.toInstant()));
assertTrue(actual1.getInstant().isAfter(beforeStore.toInstant()));
assertTrue(!actual1.getInstant().isAfter(afterStore1.toInstant()));
assertTrue(!actual1.getInstant().isBefore(beforeStore.toInstant()));
});
}

Expand All @@ -267,8 +267,8 @@ public void testQueryUsingNameAndStartAndEndWithLTOperator() {
HistoricItem actual1 = iterator.next();
assertFalse(iterator.hasNext());
assertStateEquals(getFirstItemState(), actual1.getState());
assertTrue(actual1.getInstant().isBefore(afterStore1.toInstant()));
assertTrue(actual1.getInstant().isAfter(beforeStore.toInstant()));
assertTrue(!actual1.getInstant().isAfter(afterStore1.toInstant()));
assertTrue(!actual1.getInstant().isBefore(beforeStore.toInstant()));
});
}

Expand Down Expand Up @@ -304,8 +304,8 @@ public void testQueryUsingNameAndStartAndEndWithLTEOperator() {
HistoricItem actual1 = iterator.next();
assertFalse(iterator.hasNext());
assertStateEquals(getFirstItemState(), actual1.getState());
assertTrue(actual1.getInstant().isBefore(afterStore1.toInstant()));
assertTrue(actual1.getInstant().isAfter(beforeStore.toInstant()));
assertTrue(!actual1.getInstant().isAfter(afterStore1.toInstant()));
assertTrue(!actual1.getInstant().isBefore(beforeStore.toInstant()));
});
}

Expand All @@ -331,8 +331,8 @@ public void testQueryUsingNameAndStartAndEndWithGTOperator() {
HistoricItem actual1 = iterator.next();
assertFalse(iterator.hasNext());
assertStateEquals(getSecondItemState(), actual1.getState());
assertTrue(actual1.getTimestamp().toInstant().isBefore(afterStore2.toInstant()));
assertTrue(actual1.getTimestamp().toInstant().isAfter(afterStore1.toInstant()));
assertTrue(!actual1.getTimestamp().toInstant().isAfter(afterStore2.toInstant()));
assertTrue(!actual1.getTimestamp().toInstant().isBefore(afterStore1.toInstant()));
});
}

Expand Down Expand Up @@ -368,8 +368,8 @@ public void testQueryUsingNameAndStartAndEndWithGTEOperator() {
HistoricItem actual1 = iterator.next();
assertFalse(iterator.hasNext());
assertStateEquals(getSecondItemState(), actual1.getState());
assertTrue(actual1.getTimestamp().toInstant().isBefore(afterStore2.toInstant()));
assertTrue(actual1.getTimestamp().toInstant().isAfter(afterStore1.toInstant()));
assertTrue(!actual1.getTimestamp().toInstant().isAfter(afterStore2.toInstant()));
assertTrue(!actual1.getTimestamp().toInstant().isBefore(afterStore1.toInstant()));
});
}

Expand All @@ -389,8 +389,8 @@ public void testQueryUsingNameAndStartAndEndFirst() {
HistoricItem actual1 = iterator.next();
assertFalse(iterator.hasNext());
assertStateEquals(getFirstItemState(), actual1.getState());
assertTrue(actual1.getTimestamp().toInstant().isBefore(afterStore1.toInstant()));
assertTrue(actual1.getTimestamp().toInstant().isAfter(beforeStore.toInstant()));
assertTrue(!actual1.getTimestamp().toInstant().isAfter(afterStore1.toInstant()));
assertTrue(!actual1.getTimestamp().toInstant().isBefore(beforeStore.toInstant()));
});
}

Expand Down
8 changes: 5 additions & 3 deletions ...modb/src/test/java/org/openhab/persistence/dynamodb/internal/CallItemIntegrationTest.java
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Expand Up @@ -15,6 +15,7 @@
import static org.junit.jupiter.api.Assertions.assertEquals;

import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;

import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
Expand Down Expand Up @@ -43,16 +44,17 @@ public class CallItemIntegrationTest extends AbstractTwoItemIntegrationTest {
@BeforeAll
public static void storeData() throws InterruptedException {
CallItem item = (CallItem) ITEMS.get(NAME);
beforeStore = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(1);
item.setState(STATE1);
beforeStore = ZonedDateTime.now();
Thread.sleep(10);
service.store(item);
afterStore1 = ZonedDateTime.now();
afterStore1 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(10);
item.setState(STATE2);
service.store(item);
Thread.sleep(10);
afterStore2 = ZonedDateTime.now();
afterStore2 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);

LOGGER.info("Created item between {} and {}", AbstractDynamoDBItem.DATEFORMATTER.format(beforeStore),
AbstractDynamoDBItem.DATEFORMATTER.format(afterStore1));
Expand Down
8 changes: 5 additions & 3 deletions ...odb/src/test/java/org/openhab/persistence/dynamodb/internal/ColorItemIntegrationTest.java
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Expand Up @@ -14,6 +14,7 @@

import java.math.BigDecimal;
import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;

import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
Expand Down Expand Up @@ -54,16 +55,17 @@ private static HSBType color(String hue, int saturation, int brightness) {
@BeforeAll
public static void storeData() throws InterruptedException {
ColorItem item = (ColorItem) ITEMS.get(NAME);
beforeStore = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(1);
item.setState(STATE1);
beforeStore = ZonedDateTime.now();
Thread.sleep(10);
service.store(item);
afterStore1 = ZonedDateTime.now();
afterStore1 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(10);
item.setState(STATE2);
service.store(item);
Thread.sleep(10);
afterStore2 = ZonedDateTime.now();
afterStore2 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);

LOGGER.info("Created item between {} and {}", AbstractDynamoDBItem.DATEFORMATTER.format(beforeStore),
AbstractDynamoDBItem.DATEFORMATTER.format(afterStore1));
Expand Down
8 changes: 5 additions & 3 deletions ...b/src/test/java/org/openhab/persistence/dynamodb/internal/ContactItemIntegrationTest.java
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Expand Up @@ -13,6 +13,7 @@
package org.openhab.persistence.dynamodb.internal;

import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;

import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
Expand Down Expand Up @@ -41,16 +42,17 @@ public class ContactItemIntegrationTest extends AbstractTwoItemIntegrationTest {
@BeforeAll
public static void storeData() throws InterruptedException {
ContactItem item = (ContactItem) ITEMS.get(NAME);
beforeStore = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(1);
item.setState(STATE1);
beforeStore = ZonedDateTime.now();
Thread.sleep(10);
service.store(item);
afterStore1 = ZonedDateTime.now();
afterStore1 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(10);
item.setState(STATE2);
service.store(item);
Thread.sleep(10);
afterStore2 = ZonedDateTime.now();
afterStore2 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);

LOGGER.info("Created item between {} and {}", AbstractDynamoDBItem.DATEFORMATTER.format(beforeStore),
AbstractDynamoDBItem.DATEFORMATTER.format(afterStore1));
Expand Down
9 changes: 5 additions & 4 deletions .../src/test/java/org/openhab/persistence/dynamodb/internal/DateTimeItemIntegrationTest.java
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Expand Up @@ -14,6 +14,7 @@

import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;

import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
Expand Down Expand Up @@ -47,17 +48,17 @@ public class DateTimeItemIntegrationTest extends AbstractTwoItemIntegrationTest
public static void storeData() throws InterruptedException {
DateTimeItem item = (DateTimeItem) ITEMS.get(NAME);

beforeStore = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(1);
item.setState(STATE1);

beforeStore = ZonedDateTime.now();
Thread.sleep(10);
service.store(item);
afterStore1 = ZonedDateTime.now();
afterStore1 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(10);
item.setState(STATE2);
service.store(item);
Thread.sleep(10);
afterStore2 = ZonedDateTime.now();
afterStore2 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
LOGGER.info("Created item between {} and {}", AbstractDynamoDBItem.DATEFORMATTER.format(beforeStore),
AbstractDynamoDBItem.DATEFORMATTER.format(afterStore1));
}
Expand Down
9 changes: 5 additions & 4 deletions ...db/src/test/java/org/openhab/persistence/dynamodb/internal/DimmerItemIntegrationTest.java
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Expand Up @@ -13,6 +13,7 @@
package org.openhab.persistence.dynamodb.internal;

import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;

import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
Expand Down Expand Up @@ -40,17 +41,17 @@ public class DimmerItemIntegrationTest extends AbstractTwoItemIntegrationTest {
public static void storeData() throws InterruptedException {
DimmerItem item = (DimmerItem) ITEMS.get(NAME);

beforeStore = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(1);
item.setState(STATE1);

beforeStore = ZonedDateTime.now();
Thread.sleep(10);
service.store(item);
afterStore1 = ZonedDateTime.now();
afterStore1 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(10);
item.setState(STATE2);
service.store(item);
Thread.sleep(10);
afterStore2 = ZonedDateTime.now();
afterStore2 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
LOGGER.info("Created item between {} and {}", AbstractDynamoDBItem.DATEFORMATTER.format(beforeStore),
AbstractDynamoDBItem.DATEFORMATTER.format(afterStore1));
}
Expand Down
8 changes: 5 additions & 3 deletions .../src/test/java/org/openhab/persistence/dynamodb/internal/LocationItemIntegrationTest.java
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Expand Up @@ -13,6 +13,7 @@
package org.openhab.persistence.dynamodb.internal;

import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;

import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
Expand Down Expand Up @@ -43,16 +44,17 @@ public class LocationItemIntegrationTest extends AbstractTwoItemIntegrationTest
@BeforeAll
public static void storeData() throws InterruptedException {
LocationItem item = (LocationItem) ITEMS.get(NAME);
beforeStore = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(1);
item.setState(STATE1);
beforeStore = ZonedDateTime.now();
Thread.sleep(10);
service.store(item);
afterStore1 = ZonedDateTime.now();
afterStore1 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(10);
item.setState(STATE2);
service.store(item);
Thread.sleep(10);
afterStore2 = ZonedDateTime.now();
afterStore2 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);

LOGGER.info("Created item between {} and {}", AbstractDynamoDBItem.DATEFORMATTER.format(beforeStore),
AbstractDynamoDBItem.DATEFORMATTER.format(afterStore1));
Expand Down
9 changes: 5 additions & 4 deletions ...db/src/test/java/org/openhab/persistence/dynamodb/internal/NumberItemIntegrationTest.java
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Expand Up @@ -16,6 +16,7 @@

import java.math.BigDecimal;
import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;

import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
Expand Down Expand Up @@ -45,17 +46,17 @@ public class NumberItemIntegrationTest extends AbstractTwoItemIntegrationTest {
public static void storeData() throws InterruptedException {
NumberItem item = (NumberItem) ITEMS.get(NAME);

beforeStore = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(1);
item.setState(STATE1);

beforeStore = ZonedDateTime.now();
Thread.sleep(10);
service.store(item);
afterStore1 = ZonedDateTime.now();
afterStore1 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(10);
item.setState(STATE2);
service.store(item);
Thread.sleep(10);
afterStore2 = ZonedDateTime.now();
afterStore2 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);

LOGGER.info("Created item between {} and {}", AbstractDynamoDBItem.DATEFORMATTER.format(beforeStore),
AbstractDynamoDBItem.DATEFORMATTER.format(afterStore1));
Expand Down
7 changes: 6 additions & 1 deletion ...namodb/src/test/java/org/openhab/persistence/dynamodb/internal/PagingIntegrationTest.java
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Expand Up @@ -16,6 +16,7 @@

import java.math.BigDecimal;
import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
Expand Down Expand Up @@ -49,7 +50,11 @@ public class PagingIntegrationTest extends BaseIntegrationTest {
@SuppressWarnings("null")
@BeforeAll
public static void populateData() {
storeStart = ZonedDateTime.now();
storeStart = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
try {
Thread.sleep(1);
} catch (InterruptedException e) {
}
Comment on lines +54 to +57

NumberItem item = (NumberItem) ITEMS.get(NAME);
for (int i = 0; i < STATE_COUNT; i++) {
Expand Down
9 changes: 5 additions & 4 deletions ...st/java/org/openhab/persistence/dynamodb/internal/PlayerItemPlayPauseIntegrationTest.java
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Expand Up @@ -13,6 +13,7 @@
package org.openhab.persistence.dynamodb.internal;

import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;

import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
Expand Down Expand Up @@ -40,17 +41,17 @@ public class PlayerItemPlayPauseIntegrationTest extends AbstractTwoItemIntegrati
public static void storeData() throws InterruptedException {
PlayerItem item = (PlayerItem) ITEMS.get(NAME);

beforeStore = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(1);
item.setState(STATE1);

beforeStore = ZonedDateTime.now();
Thread.sleep(10);
service.store(item);
afterStore1 = ZonedDateTime.now();
afterStore1 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);
Thread.sleep(10);
item.setState(STATE2);
service.store(item);
Thread.sleep(10);
afterStore2 = ZonedDateTime.now();
afterStore2 = ZonedDateTime.now().truncatedTo(ChronoUnit.MILLIS);

LOGGER.info("Created item between {} and {}", AbstractDynamoDBItem.DATEFORMATTER.format(beforeStore),
AbstractDynamoDBItem.DATEFORMATTER.format(afterStore1));
Expand Down
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