private static ByteBuffer ReadDynamic(AbstractDynamicStore store, long reference, ByteBuffer buffer, PageCursor page)
{
if (buffer == null)
{
buffer = ByteBuffer.allocate(512);
}
else
{
buffer.clear();
}
DynamicRecord record = store.NewRecord();
do
{
//We need to load forcefully here since otherwise we can have inconsistent reads
//for properties across blocks, see org.neo4j.graphdb.ConsistentPropertyReadsIT
store.GetRecordByCursor(reference, record, RecordLoad.FORCE, page);
reference = record.NextBlock;
sbyte[] data = record.Data;
if (buffer.remaining() < data.Length)
{
buffer = Grow(buffer, data.Length);
}
buffer.put(data, 0, data.Length);
} while (reference != NO_ID);
return(buffer);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void dynamicRecordCursorReadsInUseRecords()
public virtual void DynamicRecordCursorReadsInUseRecords()
{
using (AbstractDynamicStore store = NewTestableDynamicStore())
{
DynamicRecord first = CreateDynamicRecord(1, store, 0);
DynamicRecord second = CreateDynamicRecord(2, store, 0);
DynamicRecord third = CreateDynamicRecord(3, store, 10);
store.HighId = 3;
first.NextBlock = second.Id;
store.UpdateRecord(first);
second.NextBlock = third.Id;
store.UpdateRecord(second);
IEnumerator <DynamicRecord> records = store.GetRecords(1, NORMAL).GetEnumerator();
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertTrue(records.hasNext());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertEquals(first, records.next());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertTrue(records.hasNext());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertEquals(second, records.next());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertTrue(records.hasNext());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertEquals(third, records.next());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertFalse(records.hasNext());
}
}
private DynamicRecord CreateDynamicRecord(long id, AbstractDynamicStore store, int dataSize)
{
DynamicRecord first = new DynamicRecord(id);
first.InUse = true;
first.Data = RandomUtils.NextBytes(dataSize == 0 ? BLOCK_SIZE - _formats.dynamic().RecordHeaderSize : 10);
store.UpdateRecord(first);
return(first);
}
private static void AllocateStringRecords(ICollection <DynamicRecord> target, sbyte[] chars, DynamicRecordAllocator allocator)
{
AbstractDynamicStore.AllocateRecordsFromBytes(target, chars, allocator);
}
public static Pair <long, long[]> GetDynamicLabelsArrayAndOwner(IEnumerable <DynamicRecord> records, AbstractDynamicStore dynamicLabelStore)
{
long[] storedLongs = ( long[] )DynamicArrayStore.GetRightArray(dynamicLabelStore.ReadFullByteArray(records, PropertyType.Array)).asObject();
return(Pair.of(storedLongs[0], LabelIdArray.StripNodeId(storedLongs)));
}
public static ICollection <DynamicRecord> AllocateRecordsForDynamicLabels(long nodeId, long[] labels, AbstractDynamicStore dynamicLabelStore)
{
return(AllocateRecordsForDynamicLabels(nodeId, labels, ( DynamicRecordAllocator )dynamicLabelStore));
}
