Cleanup in native schema index main and test

community/kernel/src/main/java/org/neo4j/kernel/impl/index/schema/NativeNonUniqueSchemaNumberIndexPopulator.java

@@ -23,7 +23,6 @@
 import java.io.IOException;
 
 import org.neo4j.index.internal.gbptree.Layout;
-import org.neo4j.index.internal.gbptree.RecoveryCleanupWorkCollector;
 import org.neo4j.io.pagecache.PageCache;
 import org.neo4j.kernel.api.index.IndexEntryUpdate;
 import org.neo4j.kernel.impl.api.index.sampling.DefaultNonUniqueIndexSampler;
@@ -42,7 +41,7 @@ class NativeNonUniqueSchemaNumberIndexPopulator<KEY extends NumberKey, VALUE ext
     private NonUniqueIndexSampler sampler;
 
     NativeNonUniqueSchemaNumberIndexPopulator( PageCache pageCache, File storeFile, Layout<KEY,VALUE> layout,
-            RecoveryCleanupWorkCollector recoveryCleanupWorkCollector, IndexSamplingConfig samplingConfig )
+            IndexSamplingConfig samplingConfig )
     {
         super( pageCache, storeFile, layout );
         this.samplingConfig = samplingConfig;

community/kernel/src/main/java/org/neo4j/kernel/impl/index/schema/NativeSchemaNumberIndexAccessor.java

@@ -33,7 +33,6 @@
 import org.neo4j.kernel.api.index.IndexAccessor;
 import org.neo4j.kernel.api.index.IndexUpdater;
 import org.neo4j.kernel.api.index.PropertyAccessor;
-import org.neo4j.kernel.api.schema.index.IndexDescriptor;
 import org.neo4j.kernel.impl.api.index.IndexUpdateMode;
 import org.neo4j.kernel.impl.index.GBPTreeUtil;
 import org.neo4j.storageengine.api.schema.IndexReader;
@@ -45,14 +44,11 @@ public class NativeSchemaNumberIndexAccessor<KEY extends NumberKey, VALUE extend
         extends NativeSchemaNumberIndex<KEY,VALUE> implements IndexAccessor
 {
     private final NativeSchemaNumberIndexUpdater<KEY,VALUE> singleUpdater;
-    private final IndexDescriptor indexDescriptor;
 
     NativeSchemaNumberIndexAccessor( PageCache pageCache, File storeFile,
-            Layout<KEY,VALUE> layout, RecoveryCleanupWorkCollector recoveryCleanupWorkCollector,
-            IndexDescriptor indexDescriptor ) throws IOException
+            Layout<KEY,VALUE> layout, RecoveryCleanupWorkCollector recoveryCleanupWorkCollector ) throws IOException
     {
         super( pageCache, storeFile, layout );
-        this.indexDescriptor = indexDescriptor;
         singleUpdater = new NativeSchemaNumberIndexUpdater<>( layout.newKey(), layout.newValue() );
         instantiateTree( recoveryCleanupWorkCollector );
     }
@@ -93,7 +89,7 @@ public void close() throws IOException
     @Override
     public IndexReader newReader()
     {
-        return new NativeSchemaNumberIndexReader<>( tree, layout, indexDescriptor );
+        return new NativeSchemaNumberIndexReader<>( tree, layout );
     }
 
     @Override

community/kernel/src/main/java/org/neo4j/kernel/impl/index/schema/NativeUniqueSchemaNumberIndexPopulator.java

@@ -22,7 +22,6 @@
 import java.io.File;
 
 import org.neo4j.index.internal.gbptree.Layout;
-import org.neo4j.index.internal.gbptree.RecoveryCleanupWorkCollector;
 import org.neo4j.io.pagecache.PageCache;
 import org.neo4j.kernel.api.index.IndexEntryUpdate;
 import org.neo4j.kernel.impl.api.index.sampling.UniqueIndexSampler;
@@ -36,8 +35,7 @@ class NativeUniqueSchemaNumberIndexPopulator<KEY extends NumberKey, VALUE extend
 {
     private final UniqueIndexSampler sampler;
 
-    NativeUniqueSchemaNumberIndexPopulator( PageCache pageCache, File storeFile, Layout<KEY,VALUE> layout,
-            RecoveryCleanupWorkCollector recoveryCleanupWorkCollector )
+    NativeUniqueSchemaNumberIndexPopulator( PageCache pageCache, File storeFile, Layout<KEY,VALUE> layout )
     {
         super( pageCache, storeFile, layout );
         this.sampler = new UniqueIndexSampler();

community/kernel/src/main/java/org/neo4j/kernel/impl/index/schema/NumberHitIterator.java

@@ -40,7 +40,7 @@ public class NumberHitIterator<KEY extends NumberKey, VALUE extends NumberValue>
 {
     private final RawCursor<Hit<KEY,VALUE>,IOException> seeker;
 
-    public NumberHitIterator( RawCursor<Hit<KEY,VALUE>,IOException> seeker )
+    NumberHitIterator( RawCursor<Hit<KEY,VALUE>,IOException> seeker )
     {
         this.seeker = seeker;
     }
@@ -50,7 +50,7 @@ protected boolean fetchNext()
     {
         try
         {
-            return seeker.next() ? next( seeker.get().key().entityId ) : false;
+            return seeker.next() && next( seeker.get().key().entityId );
         }
         catch ( IOException e )
         {

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/LayoutTestUtil.java

@@ -53,6 +53,11 @@ abstract class LayoutTestUtil<KEY extends NumberKey, VALUE extends NumberValue>
 
     protected abstract double fractionDuplicates();
 
+    IndexDescriptor indexDescriptor()
+    {
+        return indexDescriptor;
+    }
+
     void copyValue( VALUE value, VALUE intoValue )
     {
         intoValue.type = value.type;

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/NativeNonUniqueSchemaNumberIndexPopulatorTest.java

@@ -38,7 +38,6 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 import static org.neo4j.helpers.ArrayUtil.array;
-import static org.neo4j.index.internal.gbptree.RecoveryCleanupWorkCollector.IMMEDIATE;
 import static org.neo4j.kernel.impl.index.schema.FullScanNonUniqueIndexSamplerTest.countUniqueValues;
 
 public class NativeNonUniqueSchemaNumberIndexPopulatorTest
@@ -48,7 +47,7 @@ public class NativeNonUniqueSchemaNumberIndexPopulatorTest
     NativeSchemaNumberIndexPopulator<NumberKey,NumberValue> createPopulator( PageCache pageCache, File indexFile,
             Layout<NumberKey,NumberValue> layout, IndexSamplingConfig samplingConfig )
     {
-        return new NativeNonUniqueSchemaNumberIndexPopulator<>( pageCache, indexFile, layout, IMMEDIATE, samplingConfig );
+        return new NativeNonUniqueSchemaNumberIndexPopulator<>( pageCache, indexFile, layout, samplingConfig );
     }
 
     @Test

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/NativeSchemaNumberIndexAccessorTest.java

@@ -49,7 +49,6 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
-
 import static org.neo4j.collection.primitive.PrimitiveLongCollections.EMPTY_LONG_ARRAY;
 import static org.neo4j.function.Predicates.all;
 import static org.neo4j.function.Predicates.alwaysTrue;
@@ -70,18 +69,14 @@
 public abstract class NativeSchemaNumberIndexAccessorTest<KEY extends NumberKey, VALUE extends NumberValue>
         extends SchemaNumberIndexTestUtil<KEY,VALUE>
 {
-    private IndexDescriptor indexDescriptor;
-    NativeSchemaNumberIndexAccessor<KEY,VALUE> accessor;
+    private NativeSchemaNumberIndexAccessor<KEY,VALUE> accessor;
 
     @Before
     public void setupAccessor() throws IOException
     {
-        indexDescriptor = createIndexDescriptor();
-        accessor = new NativeSchemaNumberIndexAccessor<>( pageCache, indexFile, layout, IMMEDIATE, indexDescriptor );
+        accessor = new NativeSchemaNumberIndexAccessor<>( pageCache, indexFile, layout, IMMEDIATE );
     }
 
-    abstract IndexDescriptor createIndexDescriptor();
-
     @After
     public void closeAccessor() throws IOException
     {
@@ -459,7 +454,7 @@ public void shouldHandleMultipleConsecutiveUpdaters() throws Exception
     public void requestForSecondUpdaterMustThrow() throws Exception
     {
         // given
-        try ( IndexUpdater updater = accessor.newUpdater( ONLINE ) )
+        try ( IndexUpdater ignored = accessor.newUpdater( ONLINE ) )
         {
             // when
             try
@@ -581,11 +576,11 @@ private long[] extractEntityIds( IndexEntryUpdate<?>[] updates, Predicate<Object
     {
         long[] entityIds = new long[updates.length];
         int cursor = 0;
-        for ( int i = 0; i < updates.length; i++ )
+        for ( IndexEntryUpdate<?> update : updates )
         {
-            if ( valueFilter.test( updates[i].values()[0] ) )
+            if ( valueFilter.test( update.values()[0] ) )
             {
-                entityIds[cursor++] = updates[i].getEntityId();
+                entityIds[cursor++] = update.getEntityId();
             }
         }
         return Arrays.copyOf( entityIds, cursor );

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/NativeSchemaNumberIndexPopulatorTest.java

@@ -61,7 +61,7 @@
 public abstract class NativeSchemaNumberIndexPopulatorTest<KEY extends NumberKey,VALUE extends NumberValue>
         extends SchemaNumberIndexTestUtil<KEY,VALUE>
 {
-    static final int LARGE_AMOUNT_OF_UPDATES = 1_000;
+    private static final int LARGE_AMOUNT_OF_UPDATES = 1_000;
     static final PropertyAccessor null_property_accessor = ( nodeId, propKeyId ) ->
     {
         throw new RuntimeException( "Did not expect an attempt to go to store" );
@@ -484,7 +484,7 @@ public void unsuccessfulCloseMustThrowAfterDrop() throws Exception
         }
     }
 
-    int interleaveLargeAmountOfUpdates( Random updaterRandom,
+    private int interleaveLargeAmountOfUpdates( Random updaterRandom,
             Iterator<IndexEntryUpdate<IndexDescriptor>> updates ) throws IOException, IndexEntryConflictException
     {
         int count = 0;
@@ -562,7 +562,7 @@ private void applyInterleaved( IndexEntryUpdate<IndexDescriptor>[] updates, Inde
         }
     }
 
-    void verifyUpdates( Iterator<IndexEntryUpdate<IndexDescriptor>> indexEntryUpdateIterator, int count )
+    private void verifyUpdates( Iterator<IndexEntryUpdate<IndexDescriptor>> indexEntryUpdateIterator, int count )
             throws IOException
     {
         @SuppressWarnings( "unchecked" )

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/NativeUniqueSchemaNumberIndexPopulatorTest.java

@@ -35,7 +35,6 @@
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
-import static org.neo4j.index.internal.gbptree.RecoveryCleanupWorkCollector.IMMEDIATE;
 
 public class NativeUniqueSchemaNumberIndexPopulatorTest extends NativeSchemaNumberIndexPopulatorTest<NumberKey,NumberValue>
 {
@@ -44,7 +43,7 @@ NativeSchemaNumberIndexPopulator<NumberKey,NumberValue> createPopulator(
             PageCache pageCache, File indexFile,
             Layout<NumberKey,NumberValue> layout, IndexSamplingConfig samplingConfig )
     {
-        return new NativeUniqueSchemaNumberIndexPopulator<>( pageCache, indexFile, layout, IMMEDIATE );
+        return new NativeUniqueSchemaNumberIndexPopulator<>( pageCache, indexFile, layout );
     }
 
     @Override

community/kernel/src/test/java/org/neo4j/kernel/impl/index/schema/SchemaNumberIndexTestUtil.java

@@ -67,6 +67,7 @@ public abstract class SchemaNumberIndexTestUtil<KEY extends NumberKey,VALUE exte
     @Rule
     public final RuleChain rules = outerRule( fs ).around( directory ).around( pageCacheRule ).around( random );
 
+    IndexDescriptor indexDescriptor;
     LayoutTestUtil<KEY,VALUE> layoutUtil;
     Layout<KEY,VALUE> layout;
     File indexFile;
@@ -76,6 +77,7 @@ public abstract class SchemaNumberIndexTestUtil<KEY extends NumberKey,VALUE exte
     public void setup()
     {
         layoutUtil = createLayoutTestUtil();
+        indexDescriptor = layoutUtil.indexDescriptor();
         layout = layoutUtil.createLayout();
         indexFile = directory.file( "index" );
         pageCache = pageCacheRule.getPageCache( fs );
@@ -184,12 +186,12 @@ private Hit<KEY,VALUE> hit( final KEY key, final VALUE value )
         return new SimpleHit( key, value );
     }
 
-    protected void assertFilePresent()
+    void assertFilePresent()
     {
         assertTrue( fs.fileExists( indexFile ) );
     }
 
-    protected void assertFileNotPresent()
+    void assertFileNotPresent()
     {
         assertFalse( fs.fileExists( indexFile ) );
     }