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Moved LockTracer and friends to o.n.storageengine.api.lock
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@tinwelint
tinwelint committed Aug 10, 2018
1 parent ea6d8e8 commit d9ee68b
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Showing 67 changed files with 81 additions and 62 deletions.
2 changes: 1 addition & 1 deletion ...cala/org/neo4j/cypher/internal/runtime/interpreted/TransactionBoundQueryContextTest.scala
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Expand Up @@ -41,11 +41,11 @@ import org.neo4j.kernel.api.security.AnonymousContext
import org.neo4j.kernel.impl.api.{ClockContext, KernelStatement, KernelTransactionImplementation, StatementOperationParts}
import org.neo4j.kernel.impl.core.ThreadToStatementContextBridge
import org.neo4j.kernel.impl.coreapi.{InternalTransaction, PropertyContainerLocker}
import org.neo4j.kernel.impl.locking.LockTracer
import org.neo4j.kernel.impl.newapi.DefaultCursors
import org.neo4j.kernel.impl.query.clientconnection.ClientConnectionInfo
import org.neo4j.kernel.impl.query.{Neo4jTransactionalContext, Neo4jTransactionalContextFactory}
import org.neo4j.storageengine.api.StorageReader
import org.neo4j.storageengine.api.lock.LockTracer
import org.neo4j.test.TestGraphDatabaseFactory
import org.neo4j.values.virtual.VirtualValues.EMPTY_MAP
import org.opencypher.v9_0.expressions.SemanticDirection
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2 changes: 1 addition & 1 deletion ...a/org/neo4j/kernel/impl/storageengine/impl/recordstorage/RecordStorageReaderTestBase.java
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Expand Up @@ -36,10 +36,10 @@
import org.neo4j.kernel.impl.api.ClockContext;
import org.neo4j.kernel.impl.api.KernelStatement;
import org.neo4j.kernel.impl.core.ThreadToStatementContextBridge;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.internal.GraphDatabaseAPI;
import org.neo4j.storageengine.api.StorageEngine;
import org.neo4j.storageengine.api.StorageReader;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.test.TestGraphDatabaseFactory;

import static org.neo4j.graphdb.Label.label;
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2 changes: 1 addition & 1 deletion ...nel-it/src/test/java/org/neo4j/kernel/impl/transaction/state/RelationshipCreatorTest.java
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Expand Up @@ -31,7 +31,6 @@
import org.neo4j.graphdb.Transaction;
import org.neo4j.graphdb.factory.GraphDatabaseSettings;
import org.neo4j.kernel.impl.MyRelTypes;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.NoOpClient;
import org.neo4j.kernel.impl.locking.ResourceTypes;
import org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageEngine;
Expand All @@ -50,6 +49,7 @@
import org.neo4j.kernel.impl.store.record.RelationshipTypeTokenRecord;
import org.neo4j.kernel.impl.store.record.SchemaRecord;
import org.neo4j.storageengine.api.lock.AcquireLockTimeoutException;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.ResourceType;
import org.neo4j.storageengine.api.schema.SchemaRule;
import org.neo4j.test.rule.DatabaseRule;
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2 changes: 1 addition & 1 deletion ...unity-it/kernel-it/src/test/java/org/neo4j/locking/CommunityLockAcquisitionTimeoutIT.java
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Expand Up @@ -48,12 +48,12 @@
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.impl.factory.DatabaseInfo;
import org.neo4j.kernel.impl.locking.LockAcquisitionTimeoutException;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.Locks;
import org.neo4j.kernel.impl.locking.ResourceTypes;
import org.neo4j.kernel.impl.locking.community.CommunityLockClient;
import org.neo4j.kernel.impl.locking.community.CommunityLockManger;
import org.neo4j.kernel.internal.GraphDatabaseAPI;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.test.OtherThreadExecutor;
import org.neo4j.test.TestGraphDatabaseFactory;
import org.neo4j.test.mockito.matcher.RootCauseMatcher;
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4 changes: 1 addition & 3 deletions ...j/kernel/impl/locking/CombinedTracer.java → ...torageengine/api/lock/CombinedTracer.java
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Expand Up @@ -17,12 +17,10 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.impl.locking;
package org.neo4j.storageengine.api.lock;

import java.util.Arrays;

import org.neo4j.storageengine.api.lock.ResourceType;

/**
* A {@link LockTracer} that combines multiple {@linkplain LockTracer tracers} into one, invoking each of them for
* the {@linkplain LockTracer#waitForLock(boolean, ResourceType, long...) wait events} received.
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4 changes: 1 addition & 3 deletions ...neo4j/kernel/impl/locking/LockTracer.java → ...4j/storageengine/api/lock/LockTracer.java
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Expand Up @@ -17,9 +17,7 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.impl.locking;

import org.neo4j.storageengine.api.lock.ResourceType;
package org.neo4j.storageengine.api.lock;

public interface LockTracer
{
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2 changes: 1 addition & 1 deletion ...4j/kernel/impl/locking/LockWaitEvent.java → ...storageengine/api/lock/LockWaitEvent.java
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Expand Up @@ -17,7 +17,7 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.impl.locking;
package org.neo4j.storageengine.api.lock;

public interface LockWaitEvent extends AutoCloseable
{
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2 changes: 0 additions & 2 deletions community/kernel-api/src/main/java/org/neo4j/storageengine/api/lock/ResourceLocker.java
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Expand Up @@ -21,8 +21,6 @@

import java.util.Arrays;

import org.neo4j.kernel.impl.locking.LockTracer;

public interface ResourceLocker
{
/**
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4 changes: 2 additions & 2 deletions community/kernel/src/main/java/org/neo4j/kernel/api/query/ExecutingQuery.java
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Expand Up @@ -29,11 +29,11 @@

import org.neo4j.io.pagecache.tracing.cursor.PageCursorCounters;
import org.neo4j.kernel.impl.locking.ActiveLock;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.LockWaitEvent;
import org.neo4j.kernel.impl.query.clientconnection.ClientConnectionInfo;
import org.neo4j.resources.CpuClock;
import org.neo4j.resources.HeapAllocation;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.LockWaitEvent;
import org.neo4j.storageengine.api.lock.ResourceType;
import org.neo4j.time.SystemNanoClock;
import org.neo4j.values.virtual.MapValue;
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5 changes: 3 additions & 2 deletions community/kernel/src/main/java/org/neo4j/kernel/api/query/WaitingOnLockEvent.java
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Expand Up @@ -19,14 +19,15 @@
*/
package org.neo4j.kernel.api.query;

import org.neo4j.kernel.impl.locking.LockWaitEvent;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.LockWaitEvent;
import org.neo4j.storageengine.api.lock.ResourceType;

/**
* This is both a status state in the state machine of {@link ExecutingQuery}, and a {@link LockWaitEvent}.
* The reason for this is to avoid unnecessary object allocation and indirection, since there is always a one-to-one
* mapping between the status corresponding to the lock we are waiting on (caused by
* {@linkplain org.neo4j.kernel.impl.locking.LockTracer#waitForLock(boolean, ResourceType, long...) the event of waiting
* {@linkplain LockTracer#waitForLock(boolean, ResourceType, long...) the event of waiting
* on a lock}) and the event object used to {@linkplain LockWaitEvent#close() signal the end of the wait}.
*/
class WaitingOnLockEvent extends WaitingOnLock implements LockWaitEvent
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2 changes: 1 addition & 1 deletion community/kernel/src/main/java/org/neo4j/kernel/impl/api/KernelStatement.java
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Expand Up @@ -43,9 +43,9 @@
import org.neo4j.kernel.api.txstate.ExplicitIndexTransactionState;
import org.neo4j.kernel.api.txstate.TransactionState;
import org.neo4j.kernel.api.txstate.TxStateHolder;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.StatementLocks;
import org.neo4j.storageengine.api.StorageReader;
import org.neo4j.storageengine.api.lock.LockTracer;

import static java.lang.String.format;
import static org.neo4j.util.FeatureToggles.flag;
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2 changes: 1 addition & 1 deletion ...unity/kernel/src/main/java/org/neo4j/kernel/impl/api/KernelTransactionImplementation.java
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Expand Up @@ -76,7 +76,6 @@
import org.neo4j.kernel.impl.factory.AccessCapability;
import org.neo4j.kernel.impl.index.ExplicitIndexStore;
import org.neo4j.kernel.impl.locking.ActiveLock;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.Locks;
import org.neo4j.kernel.impl.locking.StatementLocks;
import org.neo4j.kernel.impl.newapi.AllStoreHolder;
Expand All @@ -99,6 +98,7 @@
import org.neo4j.storageengine.api.StorageCommand;
import org.neo4j.storageengine.api.StorageEngine;
import org.neo4j.storageengine.api.StorageReader;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.schema.IndexDescriptor;
import org.neo4j.storageengine.api.txstate.TxStateVisitor;

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1 change: 1 addition & 0 deletions community/kernel/src/main/java/org/neo4j/kernel/impl/locking/Locks.java
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Expand Up @@ -25,6 +25,7 @@
import org.neo4j.helpers.Service;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.storageengine.api.lock.AcquireLockTimeoutException;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.ResourceLocker;
import org.neo4j.storageengine.api.lock.ResourceType;
import org.neo4j.storageengine.api.lock.WaitStrategy;
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1 change: 1 addition & 0 deletions community/kernel/src/main/java/org/neo4j/kernel/impl/locking/NoOpClient.java
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Expand Up @@ -22,6 +22,7 @@
import java.util.stream.Stream;

import org.neo4j.storageengine.api.lock.AcquireLockTimeoutException;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.ResourceType;

public class NoOpClient implements Locks.Client
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1 change: 1 addition & 0 deletions community/kernel/src/main/java/org/neo4j/kernel/impl/locking/ReadOnlyLocks.java
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Expand Up @@ -20,6 +20,7 @@
package org.neo4j.kernel.impl.locking;

import org.neo4j.storageengine.api.lock.AcquireLockTimeoutException;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.ResourceType;

public class ReadOnlyLocks implements Locks
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2 changes: 2 additions & 0 deletions community/kernel/src/main/java/org/neo4j/kernel/impl/locking/SimpleStatementLocks.java
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Expand Up @@ -21,6 +21,8 @@

import java.util.stream.Stream;

import org.neo4j.storageengine.api.lock.LockTracer;

/**
* A {@link StatementLocks} implementation that uses given {@link Locks.Client} for both
* {@link #optimistic() optimistic} and {@link #pessimistic() pessimistic} locks.
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1 change: 1 addition & 0 deletions community/kernel/src/main/java/org/neo4j/kernel/impl/locking/StatementLocks.java
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Expand Up @@ -22,6 +22,7 @@
import java.util.stream.Stream;

import org.neo4j.kernel.impl.api.KernelStatement;
import org.neo4j.storageengine.api.lock.LockTracer;

/**
* Component used by {@link KernelStatement} to acquire {@link #pessimistic() pessimistic} and
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2 changes: 1 addition & 1 deletion ...ity/kernel/src/main/java/org/neo4j/kernel/impl/locking/community/CommunityLockClient.java
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Expand Up @@ -37,9 +37,9 @@
import org.neo4j.kernel.impl.locking.ActiveLock;
import org.neo4j.kernel.impl.locking.LockClientStateHolder;
import org.neo4j.kernel.impl.locking.LockClientStoppedException;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.Locks;
import org.neo4j.kernel.impl.locking.ResourceTypes;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.ResourceType;

import static java.lang.String.format;
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2 changes: 1 addition & 1 deletion community/kernel/src/main/java/org/neo4j/kernel/impl/locking/community/LockManagerImpl.java
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Expand Up @@ -27,8 +27,8 @@
import org.neo4j.helpers.collection.Visitor;
import org.neo4j.kernel.DeadlockDetectedException;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.transaction.IllegalResourceException;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.util.VisibleForTesting;

public class LockManagerImpl
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4 changes: 2 additions & 2 deletions community/kernel/src/main/java/org/neo4j/kernel/impl/locking/community/RWLock.java
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Expand Up @@ -29,10 +29,10 @@
import org.neo4j.helpers.MathUtil;
import org.neo4j.kernel.DeadlockDetectedException;
import org.neo4j.kernel.impl.locking.LockAcquisitionTimeoutException;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.LockType;
import org.neo4j.kernel.impl.locking.LockWaitEvent;
import org.neo4j.logging.Logger;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.LockWaitEvent;

import static java.lang.Thread.currentThread;
import static java.lang.Thread.interrupted;
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2 changes: 1 addition & 1 deletion community/kernel/src/main/java/org/neo4j/kernel/impl/newapi/Read.java
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Expand Up @@ -48,9 +48,9 @@
import org.neo4j.kernel.api.txstate.TransactionState;
import org.neo4j.kernel.api.txstate.TxStateHolder;
import org.neo4j.kernel.impl.api.KernelTransactionImplementation;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.Locks;
import org.neo4j.kernel.impl.locking.ResourceTypes;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.ResourceType;
import org.neo4j.storageengine.api.schema.IndexProgressor;
import org.neo4j.storageengine.api.schema.IndexReader;
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2 changes: 1 addition & 1 deletion ...kernel/src/main/java/org/neo4j/kernel/impl/newapi/TwoPhaseNodeForRelationshipLocking.java
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Expand Up @@ -28,9 +28,9 @@
import org.neo4j.internal.kernel.api.exceptions.KernelException;
import org.neo4j.internal.kernel.api.helpers.RelationshipSelectionCursor;
import org.neo4j.internal.kernel.api.helpers.RelationshipSelections;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.Locks;
import org.neo4j.kernel.impl.locking.ResourceTypes;
import org.neo4j.storageengine.api.lock.LockTracer;

import static org.neo4j.kernel.api.StatementConstants.NO_SUCH_RELATIONSHIP;

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2 changes: 1 addition & 1 deletion ...main/java/org/neo4j/kernel/impl/storageengine/impl/recordstorage/RelationshipCreator.java
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Expand Up @@ -19,7 +19,6 @@
*/
package org.neo4j.kernel.impl.storageengine.impl.recordstorage;

import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.ResourceTypes;
import org.neo4j.kernel.impl.store.InvalidRecordException;
import org.neo4j.kernel.impl.store.record.NodeRecord;
Expand All @@ -31,6 +30,7 @@
import org.neo4j.kernel.impl.transaction.state.RecordAccess.RecordProxy;
import org.neo4j.kernel.impl.transaction.state.RecordAccessSet;
import org.neo4j.kernel.impl.util.DirectionWrapper;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.ResourceLocker;

public class RelationshipCreator
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2 changes: 1 addition & 1 deletion ...main/java/org/neo4j/kernel/impl/storageengine/impl/recordstorage/RelationshipDeleter.java
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Expand Up @@ -19,7 +19,6 @@
*/
package org.neo4j.kernel.impl.storageengine.impl.recordstorage;

import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.ResourceTypes;
import org.neo4j.kernel.impl.store.InvalidRecordException;
import org.neo4j.kernel.impl.store.record.NodeRecord;
Expand All @@ -31,6 +30,7 @@
import org.neo4j.kernel.impl.transaction.state.RecordAccess.RecordProxy;
import org.neo4j.kernel.impl.transaction.state.RecordAccessSet;
import org.neo4j.kernel.impl.util.DirectionWrapper;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.ResourceLocker;

import static org.neo4j.kernel.impl.storageengine.impl.recordstorage.RelationshipCreator.relCount;
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4 changes: 2 additions & 2 deletions community/kernel/src/main/java/org/neo4j/kernel/monitoring/tracing/TracerFactory.java
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Expand Up @@ -22,12 +22,12 @@
import org.neo4j.io.pagecache.tracing.PageCacheTracer;
import org.neo4j.io.pagecache.tracing.cursor.DefaultPageCursorTracerSupplier;
import org.neo4j.io.pagecache.tracing.cursor.PageCursorTracerSupplier;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.transaction.tracing.CheckPointTracer;
import org.neo4j.kernel.impl.transaction.tracing.TransactionTracer;
import org.neo4j.scheduler.JobScheduler;
import org.neo4j.kernel.monitoring.Monitors;
import org.neo4j.logging.Log;
import org.neo4j.scheduler.JobScheduler;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.time.SystemNanoClock;

/**
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4 changes: 2 additions & 2 deletions community/kernel/src/main/java/org/neo4j/kernel/monitoring/tracing/Tracers.java
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Expand Up @@ -23,12 +23,12 @@
import org.neo4j.io.pagecache.tracing.PageCacheTracer;
import org.neo4j.io.pagecache.tracing.cursor.DefaultPageCursorTracerSupplier;
import org.neo4j.io.pagecache.tracing.cursor.PageCursorTracerSupplier;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.transaction.tracing.CheckPointTracer;
import org.neo4j.kernel.impl.transaction.tracing.TransactionTracer;
import org.neo4j.scheduler.JobScheduler;
import org.neo4j.kernel.monitoring.Monitors;
import org.neo4j.logging.Log;
import org.neo4j.scheduler.JobScheduler;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.time.SystemNanoClock;

/**
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2 changes: 1 addition & 1 deletion community/kernel/src/test/java/org/neo4j/kernel/api/KernelTransactionFactory.java
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Expand Up @@ -40,7 +40,6 @@
import org.neo4j.kernel.impl.constraints.StandardConstraintSemantics;
import org.neo4j.kernel.impl.factory.CanWrite;
import org.neo4j.kernel.impl.index.ExplicitIndexStore;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.NoOpClient;
import org.neo4j.kernel.impl.locking.SimpleStatementLocks;
import org.neo4j.kernel.impl.locking.StatementLocks;
Expand All @@ -52,6 +51,7 @@
import org.neo4j.resources.HeapAllocation;
import org.neo4j.storageengine.api.StorageEngine;
import org.neo4j.storageengine.api.StorageReader;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.time.Clocks;

import static org.mockito.Mockito.mock;
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4 changes: 2 additions & 2 deletions community/kernel/src/test/java/org/neo4j/kernel/api/query/ExecutingQueryTest.java
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Expand Up @@ -36,9 +36,9 @@
import org.neo4j.helpers.MathUtil;
import org.neo4j.io.pagecache.tracing.cursor.PageCursorCounters;
import org.neo4j.io.pagecache.tracing.cursor.PageCursorTracer;
import org.neo4j.kernel.impl.locking.LockWaitEvent;
import org.neo4j.kernel.impl.query.clientconnection.ClientConnectionInfo;
import org.neo4j.resources.HeapAllocation;
import org.neo4j.storageengine.api.lock.LockWaitEvent;
import org.neo4j.storageengine.api.lock.ResourceType;
import org.neo4j.storageengine.api.lock.WaitStrategy;
import org.neo4j.test.FakeCpuClock;
Expand All @@ -52,8 +52,8 @@
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertThat;
import static org.neo4j.values.virtual.VirtualValues.EMPTY_MAP;
import static org.junit.Assert.assertTrue;
import static org.neo4j.values.virtual.VirtualValues.EMPTY_MAP;

public class ExecutingQueryTest
{
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2 changes: 1 addition & 1 deletion community/kernel/src/test/java/org/neo4j/kernel/impl/api/KernelStatementTest.java
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Expand Up @@ -27,10 +27,10 @@
import org.neo4j.io.pagecache.tracing.cursor.context.EmptyVersionContextSupplier;
import org.neo4j.kernel.api.query.ExecutingQuery;
import org.neo4j.kernel.api.txstate.TxStateHolder;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.resources.CpuClock;
import org.neo4j.resources.HeapAllocation;
import org.neo4j.storageengine.api.StorageReader;
import org.neo4j.storageengine.api.lock.LockTracer;

import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
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2 changes: 1 addition & 1 deletion ...nity/kernel/src/test/java/org/neo4j/kernel/impl/api/KernelTransactionTerminationTest.java
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Expand Up @@ -43,7 +43,6 @@
import org.neo4j.kernel.impl.constraints.StandardConstraintSemantics;
import org.neo4j.kernel.impl.factory.CanWrite;
import org.neo4j.kernel.impl.index.ExplicitIndexStore;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.NoOpClient;
import org.neo4j.kernel.impl.locking.SimpleStatementLocks;
import org.neo4j.kernel.impl.proc.Procedures;
Expand All @@ -54,6 +53,7 @@
import org.neo4j.resources.CpuClock;
import org.neo4j.resources.HeapAllocation;
import org.neo4j.storageengine.api.StorageEngine;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.test.Race;
import org.neo4j.time.Clocks;

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2 changes: 1 addition & 1 deletion community/kernel/src/test/java/org/neo4j/kernel/impl/api/KernelTransactionTestBase.java
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Expand Up @@ -44,7 +44,6 @@
import org.neo4j.kernel.impl.constraints.StandardConstraintSemantics;
import org.neo4j.kernel.impl.factory.CanWrite;
import org.neo4j.kernel.impl.index.ExplicitIndexStore;
import org.neo4j.kernel.impl.locking.LockTracer;
import org.neo4j.kernel.impl.locking.Locks;
import org.neo4j.kernel.impl.locking.NoOpClient;
import org.neo4j.kernel.impl.locking.SimpleStatementLocks;
Expand All @@ -69,6 +68,7 @@
import org.neo4j.storageengine.api.StorageEngine;
import org.neo4j.storageengine.api.StorageReader;
import org.neo4j.storageengine.api.TransactionApplicationMode;
import org.neo4j.storageengine.api.lock.LockTracer;
import org.neo4j.storageengine.api.lock.ResourceLocker;
import org.neo4j.storageengine.api.txstate.ReadableTransactionState;
import org.neo4j.storageengine.api.txstate.TxStateVisitor;
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