Examples with FileHeader org.apache.zookeeper_voltpatches.server.persistence.FileHeader used on opensource projects

Example 6 with FileHeader

use of org.apache.zookeeper_voltpatches.server.persistence.FileHeader in project voltdb by VoltDB.

the class FileTxnLog method getDbId.

/**
     * the dbid of this transaction database
     * @return the dbid of this database
     */
public long getDbId() throws IOException {
    FileTxnIterator itr = new FileTxnIterator(logDir, 0);
    FileHeader fh = readHeader(itr.logFile);
    itr.close();
    if (fh == null)
        throw new IOException("Unsupported Format.");
    return fh.getDbid();
}

Example 7 with FileHeader

use of org.apache.zookeeper_voltpatches.server.persistence.FileHeader in project voltdb by VoltDB.

the class FileHeader method equals.

@Override
public boolean equals(Object peer_) {
    if (!(peer_ instanceof FileHeader)) {
        return false;
    }
    if (peer_ == this) {
        return true;
    }
    FileHeader peer = (FileHeader) peer_;
    boolean ret = false;
    ret = (magic == peer.magic);
    if (!ret)
        return ret;
    ret = (version == peer.version);
    if (!ret)
        return ret;
    ret = (dbid == peer.dbid);
    if (!ret)
        return ret;
    return ret;
}

Example 8 with FileHeader

use of org.apache.zookeeper_voltpatches.server.persistence.FileHeader in project voltdb by VoltDB.

the class FileSnap method deserialize.

/**
     * deserialize the datatree from an inputarchive
     * @param dt the datatree to be serialized into
     * @param sessions the sessions to be filled up
     * @param ia the input archive to restore from
     * @throws IOException
     */
public void deserialize(DataTree dt, Map<Long, Long> sessions, InputArchive ia) throws IOException {
    FileHeader header = new FileHeader();
    header.deserialize(ia, "fileheader");
    if (header.getMagic() != SNAP_MAGIC) {
        throw new IOException("mismatching magic headers " + header.getMagic() + " !=  " + FileSnap.SNAP_MAGIC);
    }
    SerializeUtils.deserializeSnapshot(dt, ia, sessions);
}