Example usage for org.apache.hadoop.hdfs.server.namenode INode isDirectory

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs.server.namenode INode isDirectory.

Prototype

public boolean isDirectory() 

Source Link

Document

Check whether it's a directory

Usage

From source file:io.hops.common.INodeUtil.java

License:Apache License

public static String constructPath(List<INode> pathINodes) {
    StringBuilder builder = new StringBuilder();
    for (INode node : pathINodes) {
        if (node.isDirectory()) {
            builder.append(node.getLocalName() + "/");
        } else {/*from ww w . j  a  v  a  2 s. co  m*/
            builder.append(node.getLocalName());
        }
    }
    return builder.toString();
}

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From source file:io.hops.resolvingcache.OptimalMemcache.java

License:Apache License

@Override
protected void setInternal(MemcachedClient mc, String path, List<INode> inodes) {
    if (INode.getPathNames(path).length != inodes.size())
        return;/*from w  w w. jav a2s.  com*/

    int lastIndex = path.lastIndexOf(Path.SEPARATOR);
    if (lastIndex <= 0)
        return;

    INode file = inodes.get(inodes.size() - 1);
    if (file.isDirectory()) {
        super.setInternal(mc, path, inodes);
        return;
    }

    String parentPath = path.substring(0, lastIndex);
    super.setInternal(mc, parentPath, inodes.subList(0, inodes.size() - 1));
    setInternal(mc, file);
}

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From source file:io.hops.transaction.lock.RenameINodeLock.java

License:Apache License

@Override
protected void acquire(TransactionLocks locks) throws IOException {
    //[S] consider src = /a/b/c and dst = /d
    //during the acquire lock of src write locks will be acquired on parent of c and c
    //during the acquire lock of dst write lock on the root will be acquired but the snapshot 
    //layer will not let the request go to the db as it has already cached the root inode
    //one simple solution is that to acquire lock on the short path first
    //setPartitioningKey(PathMemcache.getInstance().getPartitionKey(locks.getInodeParam()[0]));
    String src = paths[0];/*from  w  ww .  ja va 2 s  . co  m*/
    String dst = paths[1];
    Arrays.sort(paths, PATH_COMPARTOR);
    acquireINodeLocks();

    if (legacyRename) // In deprecated rename, it allows to move a dir to an existing destination.
    {
        List<INode> dstINodes = getPathINodes(dst);
        String[] dstComponents = INode.getPathNames(dst);
        String[] srcComponents = INode.getPathNames(src);
        INode lastComp = dstINodes.get(dstINodes.size() - 1);

        if (dstINodes.size() == dstComponents.length && lastComp.isDirectory()) {
            //the dst exist and is a directory.
            find(srcComponents[srcComponents.length - 1], lastComp.getId());
        }
    }

    acquireINodeAttributes();
}

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From source file:org.apache.ranger.services.hdfs.RangerHdfsAuthorizerTest.java

License:Apache License

private static INode createNode(String[] pathSegments, int i, String owner, String group, boolean file) {
    String fullPath = StringUtils.join(pathSegments, '/', 0, i + 1);
    String name = pathSegments[i];
    INode mock = Mockito.mock(INode.class);
    try {//w w w  .j a  v  a 2s . c om
        when(mock.getLocalNameBytes()).thenReturn(name.getBytes("UTF-8"));
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    }
    when(mock.getUserName()).thenReturn(owner);
    when(mock.getGroupName()).thenReturn(group);
    when(mock.getFullPathName()).thenReturn(fullPath);
    when(mock.isFile()).thenReturn(file);
    when(mock.isDirectory()).thenReturn(!file);
    when(mock.toString()).thenReturn(name);
    return mock;
}

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