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

Example 86 with DynamicRecord

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

the class PhysicalLogCommandReaderV2_0 method visitRelationshipTypeTokenCommand.

private Command visitRelationshipTypeTokenCommand(ReadableChannel channel) throws IOException {
    // id+in_use(byte)+type_blockId(int)+nr_type_records(int)
    int id = channel.getInt();
    byte inUseFlag = channel.get();
    boolean inUse = false;
    if ((inUseFlag & Record.IN_USE.byteValue()) == Record.IN_USE.byteValue()) {
        inUse = true;
    } else if (inUseFlag != Record.NOT_IN_USE.byteValue()) {
        throw new IOException("Illegal in use flag: " + inUseFlag);
    }
    RelationshipTypeTokenRecord record = new RelationshipTypeTokenRecord(id);
    record.setInUse(inUse);
    record.setNameId(channel.getInt());
    int nrTypeRecords = channel.getInt();
    for (int i = 0; i < nrTypeRecords; i++) {
        DynamicRecord dr = readDynamicRecord(channel);
        if (dr == null) {
            return null;
        }
        record.addNameRecord(dr);
    }
    return new Command.RelationshipTypeTokenCommand(null, record);
}

Example 87 with DynamicRecord

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

the class PhysicalLogCommandReaderV2_0 method readDynamicRecords.

private <T> int readDynamicRecords(ReadableChannel channel, T target, DynamicRecordAdder<T> adder) throws IOException {
    final int numberOfRecords = channel.getInt();
    assert numberOfRecords >= 0;
    int records = numberOfRecords;
    while (records-- > 0) {
        DynamicRecord read = readDynamicRecord(channel);
        if (read == null) {
            return -1;
        }
        adder.add(target, read);
    }
    return numberOfRecords;
}

Example 88 with DynamicRecord

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

the class PhysicalLogCommandReaderV2_0 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();
        }
    }
    // read and ignore transaction id which is not used anymore
    channel.getLong();
    SchemaRule rule = Iterables.first(recordsAfter).inUse() ? readSchemaRule(recordsAfter) : readSchemaRule(recordsBefore);
    return new Command.SchemaRuleCommand(recordsBefore, recordsAfter, rule);
}

Example 89 with DynamicRecord

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

the class NeoStoreTransactionApplierTest method shouldApplyCreateUniquenessConstraintRuleSchemaRuleCommandToTheStore.

@Test
public void shouldApplyCreateUniquenessConstraintRuleSchemaRuleCommandToTheStore() throws Exception {
    // given
    final BatchTransactionApplier applier = newApplier(false);
    final DynamicRecord record = DynamicRecord.dynamicRecord(21, true);
    record.setCreated();
    final Collection<DynamicRecord> recordsAfter = Arrays.asList(record);
    final ConstraintRule rule = uniquenessConstraintRule(0L, 1, 2, 3L);
    final Command.SchemaRuleCommand command = new Command.SchemaRuleCommand(Collections.<DynamicRecord>emptyList(), recordsAfter, rule);
    // when
    boolean result = apply(applier, command::handle, transactionToApply);
    // then
    assertFalse(result);
    verify(schemaStore, times(1)).updateRecord(record);
    verify(metaDataStore, times(1)).setLatestConstraintIntroducingTx(transactionId);
    verify(cacheAccess, times(1)).addSchemaRule(rule);
}

Example 90 with DynamicRecord

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

the class NeoStoreTransactionApplierTest method shouldApplyDeleteUniquenessConstraintRuleSchemaRuleCommandToTheStore.

@Test
public void shouldApplyDeleteUniquenessConstraintRuleSchemaRuleCommandToTheStore() throws Exception {
    // given
    final BatchTransactionApplier applier = newApplier(false);
    final DynamicRecord record = DynamicRecord.dynamicRecord(21, true);
    record.setInUse(false);
    final Collection<DynamicRecord> recordsAfter = Arrays.asList(record);
    final ConstraintRule rule = uniquenessConstraintRule(0L, 1, 2, 3L);
    final Command.SchemaRuleCommand command = new Command.SchemaRuleCommand(Collections.<DynamicRecord>emptyList(), recordsAfter, rule);
    // when
    boolean result = apply(applier, command::handle, transactionToApply);
    // then
    assertFalse(result);
    verify(schemaStore, times(1)).updateRecord(record);
    verify(metaDataStore, never()).setLatestConstraintIntroducingTx(transactionId);
    verify(cacheAccess, times(1)).removeSchemaRuleFromCache(command.getKey());
}