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

Example 1 with TokenStore

use of org.neo4j.kernel.impl.store.TokenStore in project neo4j by neo4j.

the class RecordLoading method safeLoadTokens.

static <RECORD extends TokenRecord> List<NamedToken> safeLoadTokens(TokenStore<RECORD> tokenStore, CursorContext cursorContext) {
    long highId = tokenStore.getHighId();
    List<NamedToken> tokens = new ArrayList<>();
    DynamicStringStore nameStore = tokenStore.getNameStore();
    List<DynamicRecord> nameRecords = new ArrayList<>();
    MutableLongSet seenRecordIds = new LongHashSet();
    int nameBlockSize = nameStore.getRecordDataSize();
    try (RecordReader<RECORD> tokenReader = new RecordReader<>(tokenStore, true, cursorContext);
        RecordReader<DynamicRecord> nameReader = new RecordReader<>(nameStore, false, cursorContext)) {
        for (long id = 0; id < highId; id++) {
            RECORD record = tokenReader.read(id);
            nameRecords.clear();
            if (record.inUse()) {
                String name;
                if (!NULL_REFERENCE.is(record.getNameId()) && safeLoadDynamicRecordChain(r -> nameRecords.add(r.copy()), nameReader, seenRecordIds, record.getNameId(), nameBlockSize)) {
                    record.addNameRecords(nameRecords);
                    name = tokenStore.getStringFor(record, cursorContext);
                } else {
                    name = format("<name not loaded due to token(%d) referencing unused name record>", id);
                }
                tokens.add(new NamedToken(name, toIntExact(id), record.isInternal()));
            }
        }
    }
    return tokens;
}