@Override
public Iterable<BatchRelationship> getRelationships(long nodeId) {
NodeRecord nodeRecord = getNodeRecord(nodeId);
long nextRel = nodeRecord.getNextRel();
List<BatchRelationship> rels = new ArrayList<>();
while (nextRel != Record.NO_NEXT_RELATIONSHIP.intValue()) {
RelationshipRecord relRecord = getRelationshipRecord(nextRel);
RelationshipType type =
new RelationshipTypeImpl(relationshipTypeTokens.nameOf(relRecord.getType()));
rels.add(
new BatchRelationship(
relRecord.getId(), relRecord.getFirstNode(), relRecord.getSecondNode(), type));
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 rels;
}
@Override
public BatchRelationship getRelationshipById(long relId) {
RelationshipRecord record = getRelationshipRecord(relId).forReadingData();
RelationshipType type =
new RelationshipTypeImpl(relationshipTypeTokens.nameOf(record.getType()));
return new BatchRelationship(
record.getId(), record.getFirstNode(), record.getSecondNode(), type);
}
private Map<String, Object> getPropertyChain(long nextProp) {
PropertyStore propStore = getPropertyStore();
Map<String, Object> properties = new HashMap<>();
while (nextProp != Record.NO_NEXT_PROPERTY.intValue()) {
PropertyRecord propRecord = propStore.getRecord(nextProp);
for (PropertyBlock propBlock : propRecord.getPropertyBlocks()) {
String key = propertyKeyTokens.nameOf(propBlock.getKeyIndexId());
DefinedProperty propertyData = propBlock.newPropertyData(propStore);
Object value =
propertyData.value() != null
? propertyData.value()
: propBlock.getType().getValue(propBlock, getPropertyStore());
properties.put(key, value);
}
nextProp = propRecord.getNextProp();
}
return properties;
}
@Override
public Label apply(long from) {
return label(labelTokens.nameOf(safeCastLongToInt(from)));
}
