Example usage for org.apache.zookeeper Op getPath

Introduction

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

Prototype

public String getPath() 

Source Link

Document

Gets the path for an Op.

Usage

From source file:com.navercorp.nbasearc.confmaster.server.ZooKeeperHolder.java

License:Apache License

public List<OpResult> multi(Iterable<Op> ops) throws MgmtZooKeeperException {
    try {/*from  www . j  a v a 2 s . co m*/
        for (Op op : ops) {
            if (op.getType() == create || op.getType() == delete || op.getType() == setData) {
                ThreadLocalVariableHolder.checkPermission(op.getPath(), WRITE);
            } else if (op.getType() == getData || op.getType() == exists || op.getType() == getChildren) {
                ThreadLocalVariableHolder.checkPermission(op.getPath(), READ);
            }
        }
        return zk.multi(ops);
    } catch (KeeperException e) {
        Logger.error("Multi operation fail. {}, {}", e.getPath(), ops, e);
        throw new MgmtZooKeeperException(e);
    } catch (InterruptedException e) {
        Logger.error("Multi operation fail. {}", ops, e);
        throw new MgmtZooKeeperException(e);
    }
}

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From source file:org.lab.mars.onem2m.ZooKeeper.java

License:Apache License

private Op withRootPrefix(Op op) {
    if (null != op.getPath()) {
        final String serverPath = prependChroot(op.getPath());
        if (!op.getPath().equals(serverPath)) {
            return op.withChroot(serverPath);
        }//from   w ww  .  j a va 2  s .c o  m
    }
    return op;
}

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From source file:org.midonet.midolman.state.ZkManager.java

License:Apache License

public List<OpResult> multiDedup(List<Op> ops) throws StateAccessException {

    Set<String> paths = new HashSet<String>(ops.size());
    List<Op> dedupOps = new ArrayList<Op>(ops.size());
    for (Op op : ops) {
        String path = op.getPath();
        if (!paths.contains(path)) {
            paths.add(path);//from  ww w  .j  av a2s  . c om
            dedupOps.add(op);
        }
    }

    return multi(dedupOps);
}

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From source file:org.midonet.midolman.state.ZkManager.java

License:Apache License

private String getMultiErrorMessage(List<Op> ops, KeeperException ex) {
    List<OpResult> results = ex.getResults();
    if (results == null || results.isEmpty()) {
        return "executing multi ops: " + ex.getMessage();
    }/*  ww  w .  ja v a  2 s  .  c  om*/

    StringBuilder msg = new StringBuilder("executing multi ops: ");

    // Use counter to iterate through op and result lists in parallel.
    for (int i = 0; i < results.size(); i++) {
        OpResult result = results.get(i);
        if (result instanceof OpResult.ErrorResult) {
            int errorCode = ((OpResult.ErrorResult) result).getErr();
            if (errorCode != 0) {
                Op operation = ops.get(i);
                msg.append("\r\n\t\t");
                msg.append(operation.getPath());
                msg.append(" failed with error code: ");
                msg.append(errorCode);
            }
        }
    }

    return msg.toString();
}

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From source file:org.midonet.midolman.state.ZkOpList.java

License:Apache License

private static String getOpDesc(Op op) {
    return ZooDefs.opNames[op.getType()] + " " + op.getPath();
}

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From source file:org.midonet.midolman.state.ZkOpList.java

License:Apache License

private static int remove(List<Op> ops, String path) {

    int cnt = 0;// w w w  . j a  v  a  2 s  . co  m
    for (Iterator<Op> it = ops.iterator(); it.hasNext();) {
        Op op = it.next();
        if (op.getPath().equals(path)) {
            logger.warn("Removing path Op: {}.", getOpDesc(op));
            it.remove();
            cnt++;
        }
    }
    return cnt;
}

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From source file:org.midonet.midolman.state.ZkOpList.java

License:Apache License

private void addChildrenDelOps(String rootPath) throws StateAccessException {

    List<Op> ops = this.zkManager.getRecursiveDeleteOps(rootPath);
    for (Op op : ops) {
        String path = op.getPath();
        if (!this.deleteOps.containsKey(path)) {
            this.deleteOps.put(path, op);
        }//from  w  w  w.  java2  s.c  o  m
    }
}

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From source file:org.midonet.midolman.state.ZkOpList.java

License:Apache License

private void tryCommit(int delRetries) throws StateAccessException {
    logger.debug("Trying commit with delete retries: {}", delRetries);
    dump();//from  w w  w  .  j  a v a 2  s .  c o m
    List<Op> ops = combine();

    try {
        this.zkManager.multi(ops);
    } catch (NoStatePathException ex) {

        // For deletion, if a node was deleted, just skip it and retry.
        Op errorOp = getErrorDelOpOrThrow(ex, ops);
        removeStartsWith(this.deleteOps, errorOp.getPath());
        tryCommit(delRetries);

    } catch (NodeNotEmptyStateException ex) {

        // For deletion, if a child node was added, try to re-fetch all
        // children from the parent node and try again, but with a limit on
        // the number of retries.
        Op errorOp = getErrorDelOpOrThrow(ex, ops);
        delRetries = decrementOrThrow(delRetries, ex);
        addChildrenDelOps(errorOp.getPath());
        tryCommit(delRetries);
    }
}

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From source file:org.midonet.midolman.state.ZkOpList.java

License:Apache License

/**
 * Add an Op object./*  w w w. ja v a 2 s  .  c o  m*/
 *
 * For delete Op, all the previously added updated and delete Ops are
 * replaced by this one.  If there was a create Op prior to it, delete Op is
 * not added, and the create Op is removed.
 *
 * For create Op, if another create Op already exists, this replaces it.
 *
 * @param op Op object to add
 */
public void add(Op op) {
    Preconditions.checkNotNull(op);
    Preconditions.checkArgument(validOpType(op.getType()));

    int type = op.getType();
    if (type == ZooDefs.OpCode.delete) {

        // Remove any updates previously added
        remove(this.updateOps, op.getPath());

        // Remove any create added but if there was a create, there is no
        // need to add the delete Op
        if (this.createOps.containsKey(op.getPath())) {
            this.createOps.remove(op.getPath());
            return;
        }

        // Replace any delete previously added
        this.deleteOps.put(op.getPath(), op);

    } else if (type == ZooDefs.OpCode.create) {

        // Replace the previously added create
        this.createOps.put(op.getPath(), op);

    } else if (type == ZooDefs.OpCode.setData) {

        // For updates, just add to the list
        this.updateOps.add(op);
    }
}

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