private void RemoveProperty(PrimitiveRecord primitive, PropertyRecord host, PropertyBlock block)
{
host.RemovePropertyBlock(block.KeyIndexId);
host.Changed = primitive;
foreach (DynamicRecord record in block.ValueRecords)
{
Debug.Assert(record.InUse());
record.SetInUse(false, block.Type.intValue());
host.AddDeletedRecord(record);
}
}
public static void DeletePropertyRecordIncludingValueRecords(PropertyRecord record)
{
foreach (PropertyBlock block in record)
{
foreach (DynamicRecord valueRecord in block.ValueRecords)
{
Debug.Assert(valueRecord.InUse());
valueRecord.InUse = false;
record.AddDeletedRecord(valueRecord);
}
}
record.ClearPropertyBlocks();
record.InUse = false;
}
private void RemoveProperty <P>(RecordAccess_RecordProxy <P, Void> primitiveProxy, int propertyKey, RecordAccess <PropertyRecord, PrimitiveRecord> propertyRecords, PrimitiveRecord primitive, long propertyId) where P : Org.Neo4j.Kernel.impl.store.record.PrimitiveRecord
{
RecordAccess_RecordProxy <PropertyRecord, PrimitiveRecord> recordChange = propertyRecords.GetOrLoad(propertyId, primitive);
PropertyRecord propRecord = recordChange.ForChangingData();
if (!propRecord.InUse())
{
throw new System.InvalidOperationException("Unable to delete property[" + propertyId + "] since it is already deleted.");
}
PropertyBlock block = propRecord.RemovePropertyBlock(propertyKey);
if (block == null)
{
throw new System.InvalidOperationException("Property with index[" + propertyKey + "] is not present in property[" + propertyId + "]");
}
foreach (DynamicRecord valueRecord in block.ValueRecords)
{
Debug.Assert(valueRecord.InUse());
valueRecord.SetInUse(false, block.Type.intValue());
propRecord.AddDeletedRecord(valueRecord);
}
if (propRecord.Size() > 0)
{
/*
* There are remaining blocks in the record. We do not unlink yet.
*/
propRecord.Changed = primitive;
Debug.Assert(_traverser.assertPropertyChain(primitive, propertyRecords));
}
else
{
UnlinkPropertyRecord(propRecord, propertyRecords, primitiveProxy);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private org.neo4j.kernel.impl.store.record.PropertyRecord readPropertyRecord(long id, org.neo4j.storageengine.api.ReadableChannel channel) throws java.io.IOException
private PropertyRecord ReadPropertyRecord(long id, ReadableChannel channel)
{
// in_use(byte)+type(int)+key_indexId(int)+prop_blockId(long)+
// prev_prop_id(long)+next_prop_id(long)
PropertyRecord record = new PropertyRecord(id);
sbyte flags = channel.Get(); // 1
bool inUse = bitFlag(flags, Record.IN_USE.byteValue());
bool nodeProperty = !bitFlag(flags, Record.REL_PROPERTY.byteValue());
bool requireSecondaryUnit = bitFlag(flags, Record.REQUIRE_SECONDARY_UNIT);
bool hasSecondaryUnit = bitFlag(flags, Record.HAS_SECONDARY_UNIT);
bool usesFixedReferenceFormat = bitFlag(flags, Record.USES_FIXED_REFERENCE_FORMAT);
record.RequiresSecondaryUnit = requireSecondaryUnit;
record.UseFixedReferences = usesFixedReferenceFormat;
long nextProp = channel.Long; // 8
long prevProp = channel.Long; // 8
record.NextProp = nextProp;
record.PrevProp = prevProp;
long primitiveId = channel.Long; // 8
if (primitiveId != -1 && nodeProperty)
{
record.NodeId = primitiveId;
}
else if (primitiveId != -1)
{
record.RelId = primitiveId;
}
if (hasSecondaryUnit)
{
record.SecondaryUnitId = channel.Long;
}
int nrPropBlocks = channel.Get();
Debug.Assert(nrPropBlocks >= 0);
if (nrPropBlocks > 0)
{
record.InUse = true;
}
while (nrPropBlocks-- > 0)
{
PropertyBlock block = ReadPropertyBlock(channel);
if (block == null)
{
return(null);
}
record.AddPropertyBlock(block);
}
int deletedRecords = ReadDynamicRecords(channel, record, PROPERTY_DELETED_DYNAMIC_RECORD_ADDER);
if (deletedRecords == -1)
{
return(null);
}
Debug.Assert(deletedRecords >= 0);
while (deletedRecords-- > 0)
{
DynamicRecord read = ReadDynamicRecord(channel);
if (read == null)
{
return(null);
}
record.AddDeletedRecord(read);
}
if ((inUse && !record.InUse()) || (!inUse && record.InUse()))
{
throw new System.InvalidOperationException("Weird, inUse was read in as " + inUse + " but the record is " + record);
}
return(record);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private org.neo4j.kernel.impl.store.record.PropertyRecord readPropertyRecord(long id, org.neo4j.storageengine.api.ReadableChannel channel) throws java.io.IOException
private PropertyRecord ReadPropertyRecord(long id, ReadableChannel channel)
{
// in_use(byte)+type(int)+key_indexId(int)+prop_blockId(long)+
// prev_prop_id(long)+next_prop_id(long)
PropertyRecord record = new PropertyRecord(id);
sbyte inUseFlag = channel.Get(); // 1
long nextProp = channel.Long; // 8
long prevProp = channel.Long; // 8
record.NextProp = nextProp;
record.PrevProp = prevProp;
bool inUse = false;
if ((inUseFlag & Record.IN_USE.byteValue()) == Record.IN_USE.byteValue())
{
inUse = true;
}
bool nodeProperty = true;
if ((inUseFlag & Record.REL_PROPERTY.byteValue()) == Record.REL_PROPERTY.byteValue())
{
nodeProperty = false;
}
long primitiveId = channel.Long; // 8
if (primitiveId != -1 && nodeProperty)
{
record.NodeId = primitiveId;
}
else if (primitiveId != -1)
{
record.RelId = primitiveId;
}
int nrPropBlocks = channel.Get();
Debug.Assert(nrPropBlocks >= 0);
if (nrPropBlocks > 0)
{
record.InUse = true;
}
while (nrPropBlocks-- > 0)
{
PropertyBlock block = ReadPropertyBlock(channel);
if (block == null)
{
return(null);
}
record.AddPropertyBlock(block);
}
int deletedRecords = ReadDynamicRecords(channel, record, PROPERTY_DELETED_DYNAMIC_RECORD_ADDER);
if (deletedRecords == -1)
{
return(null);
}
Debug.Assert(deletedRecords >= 0);
while (deletedRecords-- > 0)
{
DynamicRecord read = ReadDynamicRecord(channel);
if (read == null)
{
return(null);
}
record.AddDeletedRecord(read);
}
if ((inUse && !record.InUse()) || (!inUse && record.InUse()))
{
throw new System.InvalidOperationException("Weird, inUse was read in as " + inUse + " but the record is " + record);
}
return(record);
}