Examples with Session com.baidu.hugegraph.backend.store.rocksdb.RocksDBSessions.Session used on opensource projects

Example 1 with Session

use of com.baidu.hugegraph.backend.store.rocksdb.RocksDBSessions.Session in project incubator-hugegraph by apache.

the class RocksDBStore method commitTx.

@Override
public void commitTx() {
    Lock readLock = this.storeLock.readLock();
    readLock.lock();
    try {
        this.checkOpened();
        // Unable to guarantee atomicity when committing multi sessions
        for (Session session : this.session()) {
            Object count = session.commit();
            if (LOG.isDebugEnabled()) {
                LOG.debug("Store {} committed {} items", this.store, count);
            }
        }
    } finally {
        readLock.unlock();
    }
}

Example 2 with Session

use of com.baidu.hugegraph.backend.store.rocksdb.RocksDBSessions.Session in project incubator-hugegraph by apache.

the class RocksDBStore method rollbackTx.

@Override
public void rollbackTx() {
    Lock readLock = this.storeLock.readLock();
    readLock.lock();
    try {
        this.checkOpened();
        for (Session session : this.session()) {
            session.rollback();
        }
    } finally {
        readLock.unlock();
    }
}

Example 3 with Session

use of com.baidu.hugegraph.backend.store.rocksdb.RocksDBSessions.Session in project incubator-hugegraph by apache.

the class RocksDBStore method beginTx.

@Override
public void beginTx() {
    Lock readLock = this.storeLock.readLock();
    readLock.lock();
    try {
        this.checkOpened();
        for (Session session : this.session()) {
            assert !session.hasChanges();
        }
    } finally {
        readLock.unlock();
    }
}

Example 4 with Session

use of com.baidu.hugegraph.backend.store.rocksdb.RocksDBSessions.Session in project incubator-hugegraph by apache.

the class RocksDBStore method mutate.

@Override
public void mutate(BackendMutation mutation) {
    Lock readLock = this.storeLock.readLock();
    readLock.lock();
    try {
        this.checkOpened();
        if (LOG.isDebugEnabled()) {
            LOG.debug("Store {} mutation: {}", this.store, mutation);
        }
        for (HugeType type : mutation.types()) {
            Session session = this.session(type);
            for (Iterator<BackendAction> it = mutation.mutation(type); it.hasNext(); ) {
                this.mutate(session, it.next());
            }
        }
    } finally {
        readLock.unlock();
    }
}

Example 5 with Session

use of com.baidu.hugegraph.backend.store.rocksdb.RocksDBSessions.Session in project incubator-hugegraph by apache.

the class RocksDBPerfTest method testMultiGet3Keys.

@Test
public void testMultiGet3Keys() throws RocksDBException {
    put("person:1gname", "James");
    put("person:1gage", "19");
    put("person:1gcity", "Beijing");
    put("person:2gname", "Lisa");
    put("person:2gage", "20");
    put("person:2gcity", "Beijing");
    Session session = this.rocks.session();
    BackendColumnIterator iter;
    for (int i = 0; i < TIMES; i++) {
        List<byte[]> keys = Arrays.asList(getBytes("person:1gname"), getBytes("person:1gage"), getBytes("person:1gcity"));
        iter = session.get(TABLE, keys);
        iter.next();
        iter.next();
        iter.next();
    }
}