Examples with NodeRecord org.neo4j.kernel.impl.nioneo.store.NodeRecord used on opensource projects

Example 16 with NodeRecord

use of org.neo4j.kernel.impl.nioneo.store.NodeRecord in project graphdb by neo4j-attic.

the class WriteTransaction method nodeCreate.

void nodeCreate(long nodeId) {
    NodeRecord nodeRecord = new NodeRecord(nodeId);
    nodeRecord.setInUse(true);
    nodeRecord.setCreated();
    addNodeRecord(nodeRecord);
}

Example 17 with NodeRecord

use of org.neo4j.kernel.impl.nioneo.store.NodeRecord in project graphdb by neo4j-attic.

the class WriteTransaction method nodeGetProperties.

ArrayMap<Integer, PropertyData> nodeGetProperties(long nodeId, boolean light) {
    ArrayMap<Integer, PropertyData> propertyMap = new ArrayMap<Integer, PropertyData>(9, false, true);
    NodeRecord nodeRecord = getNodeRecord(nodeId);
    if (nodeRecord != null && nodeRecord.isCreated()) {
        return propertyMap;
    }
    if (nodeRecord != null) {
        if (!nodeRecord.inUse() && !light) {
            throw new IllegalStateException("Node[" + nodeId + "] has been deleted in this tx");
        }
    }
    nodeRecord = getNodeStore().getRecord(nodeId);
    if (!nodeRecord.inUse()) {
        throw new InvalidRecordException("Node[" + nodeId + "] not in use");
    }
    long nextProp = nodeRecord.getNextProp();
    while (nextProp != Record.NO_NEXT_PROPERTY.intValue()) {
        PropertyRecord propRecord = getPropertyStore().getLightRecord(nextProp);
        propertyMap.put(propRecord.getKeyIndexId(), new PropertyData(propRecord.getId(), propertyGetValueOrNull(propRecord)));
        nextProp = propRecord.getNextProp();
    }
    return propertyMap;
}

Example 18 with NodeRecord

use of org.neo4j.kernel.impl.nioneo.store.NodeRecord in project graphdb by neo4j-attic.

the class WriteTransaction method relationshipCreate.

void relationshipCreate(long id, long firstNodeId, long secondNodeId, int type) {
    NodeRecord firstNode = getNodeRecord(firstNodeId);
    if (firstNode == null) {
        firstNode = getNodeStore().getRecord(firstNodeId);
        addNodeRecord(firstNode);
    }
    if (!firstNode.inUse()) {
        throw new IllegalStateException("First node[" + firstNodeId + "] is deleted and cannot be used to create a relationship");
    }
    NodeRecord secondNode = getNodeRecord(secondNodeId);
    if (secondNode == null) {
        secondNode = getNodeStore().getRecord(secondNodeId);
        addNodeRecord(secondNode);
    }
    if (!secondNode.inUse()) {
        throw new IllegalStateException("Second node[" + secondNodeId + "] is deleted and cannot be used to create a relationship");
    }
    RelationshipRecord record = new RelationshipRecord(id, firstNodeId, secondNodeId, type);
    record.setInUse(true);
    record.setCreated();
    addRelationshipRecord(record);
    connectRelationship(firstNode, secondNode, record);
}

Example 19 with NodeRecord

use of org.neo4j.kernel.impl.nioneo.store.NodeRecord in project graphdb by neo4j-attic.

the class DumpLogicalLog method readNodeCommand.

static XaCommand readNodeCommand(ReadableByteChannel byteChannel, ByteBuffer buffer) throws IOException {
    buffer.clear();
    buffer.limit(9);
    if (byteChannel.read(buffer) != buffer.limit()) {
        return null;
    }
    buffer.flip();
    long id = buffer.getLong();
    byte inUseFlag = buffer.get();
    boolean inUse = false;
    if (inUseFlag == Record.IN_USE.byteValue()) {
        inUse = true;
    } else if (inUseFlag != Record.NOT_IN_USE.byteValue()) {
        throw new IOException("Illegal in use flag: " + inUseFlag);
    }
    NodeRecord record = new NodeRecord(id);
    record.setInUse(inUse);
    if (inUse) {
        buffer.clear();
        buffer.limit(16);
        if (byteChannel.read(buffer) != buffer.limit()) {
            return null;
        }
        buffer.flip();
        record.setNextRel(buffer.getLong());
        record.setNextProp(buffer.getLong());
    }
    return new Command(record);
}

Example 20 with NodeRecord

use of org.neo4j.kernel.impl.nioneo.store.NodeRecord in project neo4j-mobile-android by neo4j-contrib.

the class BatchInserterImpl method getRelationshipIds.

public Iterable<Long> getRelationshipIds(long nodeId) {
    NodeRecord nodeRecord = getNodeRecord(nodeId);
    long nextRel = nodeRecord.getNextRel();
    List<Long> ids = new ArrayList<Long>();
    while (nextRel != Record.NO_NEXT_RELATIONSHIP.intValue()) {
        RelationshipRecord relRecord = getRelationshipRecord(nextRel);
        ids.add(relRecord.getId());
        long firstNode = relRecord.getFirstNode();
        long secondNode = relRecord.getSecondNode();
        if (firstNode == nodeId) {
            nextRel = relRecord.getFirstNextRel();
        } else if (secondNode == nodeId) {
            nextRel = relRecord.getSecondNextRel();
        } else {
            throw new InvalidRecordException("Node[" + nodeId + "] not part of firstNode[" + firstNode + "] or secondNode[" + secondNode + "]");
        }
    }
    return ids;
}