Examples with DynamicRecord org.neo4j.kernel.impl.store.record.DynamicRecord used on opensource projects

Example 46 with DynamicRecord

use of org.neo4j.kernel.impl.store.record.DynamicRecord in project neo4j by neo4j.

the class PropertyCreator method removeProperty.

private void removeProperty(PrimitiveRecord primitive, PropertyRecord host, PropertyBlock block) {
    host.removePropertyBlock(block.getKeyIndexId());
    host.setChanged(primitive);
    for (DynamicRecord record : block.getValueRecords()) {
        assert record.inUse();
        record.setInUse(false, block.getType().intValue());
        host.addDeletedRecord(record);
    }
}

Example 47 with DynamicRecord

use of org.neo4j.kernel.impl.store.record.DynamicRecord in project neo4j by neo4j.

the class PropertyDeleter method removeProperty.

public <P extends PrimitiveRecord> void removeProperty(RecordProxy<Long, P, Void> primitiveProxy, int propertyKey, RecordAccess<Long, PropertyRecord, PrimitiveRecord> propertyRecords) {
    PrimitiveRecord primitive = primitiveProxy.forReadingData();
    // propertyData.getId();
    long propertyId = traverser.findPropertyRecordContaining(primitive, propertyKey, propertyRecords, true);
    RecordProxy<Long, PropertyRecord, PrimitiveRecord> recordChange = propertyRecords.getOrLoad(propertyId, primitive);
    PropertyRecord propRecord = recordChange.forChangingData();
    if (!propRecord.inUse()) {
        throw new IllegalStateException("Unable to delete property[" + propertyId + "] since it is already deleted.");
    }
    PropertyBlock block = propRecord.removePropertyBlock(propertyKey);
    if (block == null) {
        throw new IllegalStateException("Property with index[" + propertyKey + "] is not present in property[" + propertyId + "]");
    }
    for (DynamicRecord valueRecord : block.getValueRecords()) {
        assert valueRecord.inUse();
        valueRecord.setInUse(false, block.getType().intValue());
        propRecord.addDeletedRecord(valueRecord);
    }
    if (propRecord.size() > 0) {
        /*
             * There are remaining blocks in the record. We do not unlink yet.
             */
        propRecord.setChanged(primitive);
        assert traverser.assertPropertyChain(primitive, propertyRecords);
    } else {
        unlinkPropertyRecord(propRecord, propertyRecords, primitiveProxy);
    }
}

Example 48 with DynamicRecord

use of org.neo4j.kernel.impl.store.record.DynamicRecord in project neo4j by neo4j.

the class PropertyDeleter method deletePropertyChain.

public void deletePropertyChain(PrimitiveRecord primitive, RecordAccess<Long, PropertyRecord, PrimitiveRecord> propertyRecords) {
    long nextProp = primitive.getNextProp();
    while (nextProp != Record.NO_NEXT_PROPERTY.intValue()) {
        RecordProxy<Long, PropertyRecord, PrimitiveRecord> propertyChange = propertyRecords.getOrLoad(nextProp, primitive);
        // TODO forChanging/forReading piggy-backing
        PropertyRecord propRecord = propertyChange.forChangingData();
        for (PropertyBlock block : propRecord) {
            for (DynamicRecord valueRecord : block.getValueRecords()) {
                assert valueRecord.inUse();
                valueRecord.setInUse(false);
                propRecord.addDeletedRecord(valueRecord);
            }
        }
        nextProp = propRecord.getNextProp();
        propRecord.setInUse(false);
        propRecord.setChanged(primitive);
        // We do not remove them individually, but all together here
        propRecord.clearPropertyBlocks();
    }
    primitive.setNextProp(Record.NO_NEXT_PROPERTY.intValue());
}

Example 49 with DynamicRecord

use of org.neo4j.kernel.impl.store.record.DynamicRecord in project neo4j by neo4j.

the class PhysicalLogCommandReaderV3_0 method readDynamicRecord.

private DynamicRecord readDynamicRecord(ReadableChannel channel) throws IOException {
    // id+type+in_use(byte)+nr_of_bytes(int)+next_block(long)
    long id = channel.getLong();
    assert id >= 0 && id <= (1L << 36) - 1 : id + " is not a valid dynamic record id";
    int type = channel.getInt();
    byte inUseFlag = channel.get();
    boolean inUse = (inUseFlag & Record.IN_USE.byteValue()) != 0;
    DynamicRecord record = new DynamicRecord(id);
    record.setInUse(inUse, type);
    if (inUse) {
        record.setStartRecord((inUseFlag & Record.FIRST_IN_CHAIN.byteValue()) != 0);
        int nrOfBytes = channel.getInt();
        assert nrOfBytes >= 0 && nrOfBytes < ((1 << 24) - 1) : nrOfBytes + " is not valid for a number of bytes field of " + "a dynamic record";
        long nextBlock = channel.getLong();
        assert (nextBlock >= 0 && nextBlock <= (1L << 36 - 1)) || (nextBlock == Record.NO_NEXT_BLOCK.intValue()) : nextBlock + " is not valid for a next record field of " + "a dynamic record";
        record.setNextBlock(nextBlock);
        byte[] data = new byte[nrOfBytes];
        channel.get(data, nrOfBytes);
        record.setData(data);
    }
    return record;
}

Example 50 with DynamicRecord

use of org.neo4j.kernel.impl.store.record.DynamicRecord in project neo4j by neo4j.

the class PhysicalLogCommandReaderV3_0_2 method visitSchemaRuleCommand.

private Command visitSchemaRuleCommand(ReadableChannel channel) throws IOException {
    Collection<DynamicRecord> recordsBefore = new ArrayList<>();
    readDynamicRecords(channel, recordsBefore, COLLECTION_DYNAMIC_RECORD_ADDER);
    Collection<DynamicRecord> recordsAfter = new ArrayList<>();
    readDynamicRecords(channel, recordsAfter, COLLECTION_DYNAMIC_RECORD_ADDER);
    byte isCreated = channel.get();
    if (1 == isCreated) {
        for (DynamicRecord record : recordsAfter) {
            record.setCreated();
        }
    }
    SchemaRule rule = Iterables.first(recordsAfter).inUse() ? readSchemaRule(recordsAfter) : readSchemaRule(recordsBefore);
    return new Command.SchemaRuleCommand(recordsBefore, recordsAfter, rule);
}