Example usage for org.apache.zookeeper Op create

List of usage examples for org.apache.zookeeper Op create

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Introduction

In this page you can find the example usage for org.apache.zookeeper Op create.

Prototype

public static Op create(String path, byte[] data, List<ACL> acl, CreateMode createMode)

Source Link

Document

Constructs a create operation.

Usage

From source file:com.ery.estorm.zk.RecoverableZooKeeper.java

License:Apache License

/**
 * Convert Iterable of {@link ZKOp} we got into the ZooKeeper.Op instances
 * to actually pass to multi (need to do this in order to appendMetaData).
 *///from  ww  w .ja  v a  2  s  .c o m
private Iterable<Op> prepareZKMulti(Iterable<Op> ops) throws UnsupportedOperationException {
    if (ops == null)
        return null;

    List<Op> preparedOps = new LinkedList<Op>();
    for (Op op : ops) {
        if (op.getType() == ZooDefs.OpCode.create) {
            CreateRequest create = (CreateRequest) op.toRequestRecord();
            preparedOps.add(Op.create(create.getPath(), appendMetaData(create.getData()), create.getAcl(),
                    create.getFlags()));
        } else if (op.getType() == ZooDefs.OpCode.delete) {
            // no need to appendMetaData for delete
            preparedOps.add(op);
        } else if (op.getType() == ZooDefs.OpCode.setData) {
            SetDataRequest setData = (SetDataRequest) op.toRequestRecord();
            preparedOps.add(
                    Op.setData(setData.getPath(), appendMetaData(setData.getData()), setData.getVersion()));
        } else {
            throw new UnsupportedOperationException("Unexpected ZKOp type: " + op.getClass().getName());
        }
    }
    return preparedOps;
}

From source file:com.navercorp.nbasearc.confmaster.repository.dao.zookeeper.ZkClusterDao.java

License:Apache License

@Override
public String createCluster(String name, ClusterData data)
        throws MgmtZNodeAlreayExistsException, MgmtZooKeeperException {
    String path = PathUtil.clusterPath(name);
    byte rawData[] = mapper.writeValueAsBytes(data);

    List<Op> ops = new ArrayList<Op>();
    ops.add(Op.create(path, rawData, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT));
    ops.add(Op.create(PathUtil.pgRootPath(name), Constant.ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));//from w ww. ja  va  2  s. c om
    ops.add(Op.create(PathUtil.pgsRootPath(name), Constant.ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));
    ops.add(Op.create(PathUtil.gwRootPath(name), Constant.ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));
    ops.add(Op.create(PathUtil.rsRootPath(name), Constant.ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));
    notificationDao.addCreateClusterOp(ops, name);

    List<OpResult> results = zookeeper.multi(ops);
    zookeeper.handleResultsOfMulti(results);

    OpResult.CreateResult resultForCreatingRoot = (OpResult.CreateResult) results.get(0);

    return resultForCreatingRoot.getPath();
}

From source file:com.navercorp.nbasearc.confmaster.repository.dao.zookeeper.ZkGatewayDao.java

License:Apache License

@Override
public String createGw(String gwid, GatewayData data, String clusterName, String pmName,
        PhysicalMachineCluster pmCluster) throws MgmtZooKeeperException {
    // Prepare//from w  w  w .  j a  v  a  2 s .co m
    List<Op> ops = new ArrayList<Op>();
    byte gwDataOfBytes[] = mapper.writeValueAsBytes(data);

    ops.add(Op.create(PathUtil.gwPath(gwid, clusterName), gwDataOfBytes, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));

    if (null != pmCluster) {
        PmClusterData cimDataClon = (PmClusterData) pmCluster.getData().clone();
        cimDataClon.addGwId(Integer.valueOf(gwid));
        ops.add(Op.setData(pmCluster.getPath(), mapper.writeValueAsBytes(cimDataClon), -1));
    } else {
        PmClusterData cimData = new PmClusterData();
        cimData.addGwId(Integer.valueOf(gwid));
        ops.add(Op.create(PathUtil.pmClusterPath(clusterName, pmName), mapper.writeValueAsBytes(cimData),
                ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT));
    }

    List<OpResult> results = zookeeper.multi(ops);
    zookeeper.handleResultsOfMulti(results);

    return ((OpResult.CreateResult) results.get(0)).getPath();
}

From source file:com.navercorp.nbasearc.confmaster.repository.dao.zookeeper.ZkNotificationDao.java

License:Apache License

@Override
public void addCreateClusterOp(List<Op> ops, String clusterName)
        throws MgmtZooKeeperException, MgmtZNodeAlreayExistsException {
    String path = pathOfCluster(clusterName);
    boolean exist = zookeeper.isExists(path);
    if (exist) {// w  ww.  java 2s  .com
        throw new MgmtZNodeAlreayExistsException(path, String
                .format("-ERR the cluster znode for notification already exists. cluster:%s.", clusterName));
    }

    ops.add(Op.create(path, Constant.ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT));
    ops.add(Op.create(rootPathOfGateway(clusterName), Constant.ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));
    try {
        ops.add(Op.create(pathOfGWAffinity(clusterName),
                Constant.AFFINITY_ZNODE_INITIAL_DATA.getBytes(config.getCharset()), ZooDefs.Ids.OPEN_ACL_UNSAFE,
                CreateMode.PERSISTENT));
    } catch (UnsupportedEncodingException e) {
        throw new AssertionError(config.getCharset() + " is unknown.");
    }
}

From source file:com.navercorp.nbasearc.confmaster.repository.dao.zookeeper.ZkNotificationDao.java

License:Apache License

@Override
public void addCreateGatewayOp(List<Op> ops, String clusterName, String gatewayName, String ip, int port)
        throws MgmtZNodeAlreayExistsException, MgmtZooKeeperException, MgmtZNodeDoesNotExistException {
    String clusterPath = pathOfCluster(clusterName);
    boolean exist = zookeeper.isExists(clusterPath);
    if (!exist) {
        throw new MgmtZNodeDoesNotExistException(clusterPath,
                String.format("-ERR the cluster znode for notification already exists. cluster:%s, gateway:%s",
                        clusterName, gatewayName));
    }/*from   w  ww. ja  v  a2  s  .co m*/

    String gatewayPath = pathOfGateway(clusterName, gatewayName);
    exist = zookeeper.isExists(gatewayPath);
    if (exist) {
        throw new MgmtZNodeAlreayExistsException(gatewayPath,
                String.format("-ERR the gateway znode for notification already exists. cluster:%s, gateway:%s",
                        clusterName, gatewayName));
    }

    DataOfGateway data = new DataOfGateway(ip, port);
    byte rawData[] = mapper.writeValueAsBytes(data);
    ops.add(Op.create(gatewayPath, rawData, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT));
}

From source file:com.navercorp.nbasearc.confmaster.repository.dao.zookeeper.ZkPartitionGroupServerDao.java

License:Apache License

@Override
public String createPgs(String pgsId, String clusterName, PartitionGroupServerData data, PartitionGroup pg,
        PhysicalMachineCluster pmCluster) throws MgmtZooKeeperException {
    List<Op> ops = new ArrayList<Op>();

    byte pgsDataOfBytes[] = mapper.writeValueAsBytes(data);
    ops.add(Op.create(PathUtil.pgsPath(pgsId, clusterName), pgsDataOfBytes, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));//from  w  ww .ja  v a 2 s .  c o  m

    RedisServerData redisServerData = new RedisServerData();
    redisServerData.initialize(data.getPmName(), data.getPmIp(), data.getRedisPort(), data.getState(),
            data.getHb());
    byte rsDataOfBytes[] = mapper.writeValueAsBytes(redisServerData);
    ops.add(Op.create(PathUtil.rsPath(pgsId, clusterName), rsDataOfBytes, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));

    if (null != pmCluster) {
        PmClusterData cimDataClone = (PmClusterData) pmCluster.getData().clone();
        cimDataClone.addPgsId(Integer.valueOf(pgsId));
        ops.add(Op.setData(pmCluster.getPath(), mapper.writeValueAsBytes(cimDataClone), -1));
    } else {
        PmClusterData cimData = new PmClusterData();
        cimData.addPgsId(Integer.valueOf(pgsId));
        ops.add(Op.create(PathUtil.pmClusterPath(clusterName, data.getPmName()),
                mapper.writeValueAsBytes(cimData), ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT));
    }

    PartitionGroupData pgModified = PartitionGroupData.builder().from(pg.getData())
            .addPgsId(Integer.parseInt(pgsId)).build();

    ops.add(Op.setData(pg.getPath(), mapper.writeValueAsBytes(pgModified), -1));

    List<OpResult> results = zookeeper.multi(ops);
    zookeeper.handleResultsOfMulti(results);

    OpResult.CreateResult resultForCreatingPGS = (OpResult.CreateResult) results.get(0);
    return resultForCreatingPGS.getPath();
}

From source file:com.navercorp.nbasearc.confmaster.repository.dao.zookeeper.ZkWorkflowLogDao.java

License:Apache License

@Override
public synchronized void log(long jobID, String severity, String name, String type, String clusterName,
        String msg, String jsonArg) {
    while (numLogs >= config.getServerJobWorkflowLogMax()) {
        deleteLog(getNumOfStartLog());/*from w w w .  j  a v  a2  s  .c  o  m*/
    }

    byte[] data;
    String path = pathOfLog(getLast());
    List<Op> ops = new ArrayList<Op>();
    ZkWorkflowLog workflowLog = new ZkWorkflowLog(getLast(), new Date(), jobID, type, severity, name, msg,
            clusterName, jsonArg);

    try {
        data = mapper.writeValueAsBytes(workflowLog);
        Long maxLogNo = getNumOfStartLog() + getNumLogs();

        ops.add(Op.create(path, data, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT));
        ops.add(Op.setData(rootPathOfLog(), String.valueOf(maxLogNo).getBytes(config.getCharset()), -1));

        ZooKeeper zk = zookeeper.getZooKeeper();
        List<OpResult> results = zk.multi(ops);
        zookeeper.handleResultsOfMulti(results);
    } catch (Exception e) {
        Logger.error(workflowLog.toString(), e);
    }
    Logger.info(workflowLog.toStringWithoutInfo());

    increaseNumLogs();
}

From source file:com.navercorp.nbasearc.confmaster.server.cluster.GatewayLookup.java

License:Apache License

public void addCreateClusterOp(List<Op> ops, String clusterName)
        throws MgmtZooKeeperException, MgmtZNodeAlreayExistsException {
    String path = PathUtil.pathOfGwLookupCluster(clusterName);
    boolean exist = zk.isExists(path);
    if (exist) {/*from ww  w . j  av  a  2s.co  m*/
        throw new MgmtZNodeAlreayExistsException(path, String
                .format("-ERR the cluster znode for notification already exists. cluster:%s.", clusterName));
    }

    ops.add(Op.create(path, Constant.ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT));
    ops.add(Op.create(PathUtil.rootPathOfGwLookup(clusterName), Constant.ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));
    try {
        ops.add(Op.create(PathUtil.pathOfGwAffinity(clusterName),
                Constant.AFFINITY_ZNODE_INITIAL_DATA.getBytes(config.getCharset()), ZooDefs.Ids.OPEN_ACL_UNSAFE,
                CreateMode.PERSISTENT));
    } catch (UnsupportedEncodingException e) {
        throw new AssertionError(config.getCharset() + " is unknown.");
    }
}

From source file:com.navercorp.nbasearc.confmaster.server.cluster.GatewayLookup.java

License:Apache License

public void addCreateGatewayOp(List<Op> ops, String clusterName, String gatewayName, String ip, int port)
        throws MgmtZNodeAlreayExistsException, MgmtZooKeeperException, MgmtZNodeDoesNotExistException {
    String clusterPath = PathUtil.pathOfGwLookupCluster(clusterName);
    boolean exist = zk.isExists(clusterPath);
    if (!exist) {
        throw new MgmtZNodeDoesNotExistException(clusterPath,
                String.format("-ERR the cluster znode for notification already exists. cluster:%s, gateway:%s",
                        clusterName, gatewayName));
    }/*from   w w w . j a  va  2s .co  m*/

    String gatewayPath = PathUtil.pathOfGwLookup(clusterName, gatewayName);
    exist = zk.isExists(gatewayPath);
    if (exist) {
        throw new MgmtZNodeAlreayExistsException(gatewayPath,
                String.format("-ERR the gateway znode for notification already exists. cluster:%s, gateway:%s",
                        clusterName, gatewayName));
    }

    GatewayLookupData data = new GatewayLookupData(ip, port);
    byte rawData[] = mapper.writeValueAsBytes(data);
    ops.add(Op.create(gatewayPath, rawData, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT));
}

From source file:com.navercorp.nbasearc.confmaster.server.command.ClusterService.java

License:Apache License

protected void createClusterZooKeeperZnodes(String name, Cluster cluster)
        throws MgmtZNodeAlreayExistsException, MgmtZooKeeperException, NoNodeException {
    // DB/*  w w  w.  jav a2  s .  c  o  m*/
    String path = PathUtil.clusterPath(name);

    List<Op> ops = new ArrayList<Op>();
    ops.add(Op.create(path, cluster.persistentDataToBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));
    ops.add(Op.create(PathUtil.pgRootPath(name), ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));
    ops.add(Op.create(PathUtil.pgsRootPath(name), ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));
    ops.add(Op.create(PathUtil.gwRootPath(name), ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));
    ops.add(Op.create(PathUtil.rsRootPath(name), ZERO_BYTE, ZooDefs.Ids.OPEN_ACL_UNSAFE,
            CreateMode.PERSISTENT));
    gwInfoNoti.addCreateClusterOp(ops, name);

    List<OpResult> results = zk.multi(ops);
    zk.handleResultsOfMulti(results);

    // In memory
    container.put(cluster.getPath(), cluster);
}