Examples with RecordRelationshipScanCursor org.neo4j.internal.recordstorage.RecordRelationshipScanCursor used on opensource projects

Example 1 with RecordRelationshipScanCursor

use of org.neo4j.internal.recordstorage.RecordRelationshipScanCursor in project neo4j by neo4j.

the class RelationshipGroupChecker method checkToRelationship.

/**
 * Check relationship groups to first in chain relationship. Run only on first node-range
 */
private void checkToRelationship(long fromGroupId, long toGroupId, PageCacheTracer pageCacheTracer) {
    try (var cursorContext = new CursorContext(pageCacheTracer.createPageCursorTracer(RELATIONSHIP_GROUPS_CHECKER_TAG));
        RecordReader<RelationshipGroupRecord> groupReader = new RecordReader<>(neoStores.getRelationshipGroupStore(), true, cursorContext);
        RecordReader<RelationshipGroupRecord> comparativeReader = new RecordReader<>(neoStores.getRelationshipGroupStore(), false, cursorContext);
        RecordStorageReader reader = new RecordStorageReader(neoStores);
        RecordRelationshipScanCursor relationshipCursor = reader.allocateRelationshipScanCursor(cursorContext)) {
        for (long id = fromGroupId; id < toGroupId && !context.isCancelled(); id++) {
            RelationshipGroupRecord record = groupReader.read(id);
            if (!record.inUse()) {
                continue;
            }
            long owningNode = record.getOwningNode();
            if (owningNode < 0) {
                reporter.forRelationshipGroup(record).illegalOwner();
            }
            checkValidToken(record, record.getType(), context.tokenHolders.relationshipTypeTokens(), neoStores.getRelationshipTypeTokenStore(), (group, token) -> reporter.forRelationshipGroup(group).illegalRelationshipType(), (group, token) -> reporter.forRelationshipGroup(group).relationshipTypeNotInUse(token), cursorContext);
            if (!NULL_REFERENCE.is(record.getNext())) {
                RelationshipGroupRecord comparativeRecord = comparativeReader.read(record.getNext());
                if (!comparativeRecord.inUse()) {
                    reporter.forRelationshipGroup(record).nextGroupNotInUse();
                } else {
                    if (record.getType() >= comparativeRecord.getType()) {
                        reporter.forRelationshipGroup(record).invalidTypeSortOrder();
                    }
                    if (owningNode != comparativeRecord.getOwningNode()) {
                        reporter.forRelationshipGroup(record).nextHasOtherOwner(comparativeRecord);
                    }
                }
            }
            checkRelationshipGroupRelationshipLink(relationshipCursor, record, record.getFirstOut(), RelationshipGroupLink.OUT, group -> reporter.forRelationshipGroup(group).firstOutgoingRelationshipNotInUse(), group -> reporter.forRelationshipGroup(group).firstOutgoingRelationshipNotFirstInChain(), group -> reporter.forRelationshipGroup(group).firstOutgoingRelationshipOfOtherType(), (group, rel) -> reporter.forRelationshipGroup(group).firstOutgoingRelationshipDoesNotShareNodeWithGroup(rel), cursorContext);
            checkRelationshipGroupRelationshipLink(relationshipCursor, record, record.getFirstIn(), RelationshipGroupLink.IN, group -> reporter.forRelationshipGroup(group).firstIncomingRelationshipNotInUse(), group -> reporter.forRelationshipGroup(group).firstIncomingRelationshipNotFirstInChain(), group -> reporter.forRelationshipGroup(group).firstIncomingRelationshipOfOtherType(), (group, rel) -> reporter.forRelationshipGroup(group).firstIncomingRelationshipDoesNotShareNodeWithGroup(rel), cursorContext);
            checkRelationshipGroupRelationshipLink(relationshipCursor, record, record.getFirstLoop(), RelationshipGroupLink.LOOP, group -> reporter.forRelationshipGroup(group).firstLoopRelationshipNotInUse(), group -> reporter.forRelationshipGroup(group).firstLoopRelationshipNotFirstInChain(), group -> reporter.forRelationshipGroup(group).firstLoopRelationshipOfOtherType(), (group, rel) -> reporter.forRelationshipGroup(group).firstLoopRelationshipDoesNotShareNodeWithGroup(rel), cursorContext);
        }
    }
}