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

Introduction

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

Prototype

public final String getLocalName() 

Source Link

Usage

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

License:Apache License

public static INodeIdentifier resolveINodeFromBlockID(final long bid) throws StorageException {
    INodeIdentifier inodeIdentifier;//from  ww w.j a  v  a  2  s .  c om
    LightWeightRequestHandler handler = new LightWeightRequestHandler(
            HDFSOperationType.RESOLVE_INODE_FROM_BLOCKID) {
        @Override
        public Object performTask() throws IOException {

            BlockLookUpDataAccess<BlockLookUp> da = (BlockLookUpDataAccess) HdfsStorageFactory
                    .getDataAccess(BlockLookUpDataAccess.class);
            BlockLookUp blu = da.findByBlockId(bid);
            if (blu == null) {
                return null;
            }
            INodeIdentifier inodeIdent = new INodeIdentifier(blu.getInodeId());
            INodeDALAdaptor ida = (INodeDALAdaptor) HdfsStorageFactory.getDataAccess(INodeDataAccess.class);
            INode inode = ida.indexScanfindInodeById(blu.getInodeId());
            if (inode != null) {
                inodeIdent.setName(inode.getLocalName());
                inodeIdent.setPid(inode.getParentId());
            }
            return inodeIdent;
        }
    };
    try {
        inodeIdentifier = (INodeIdentifier) handler.handle();
    } catch (IOException ex) {
        throw new StorageException(ex.getMessage());
    }
    return inodeIdentifier;
}

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

License:Apache License

public static INodeIdentifier resolveINodeFromBlock(final Block b) throws StorageException {
    if (b instanceof BlockInfo || b instanceof BlockInfoUnderConstruction) {
        INodeIdentifier inodeIden = new INodeIdentifier(((BlockInfo) b).getInodeId());
        INodeDALAdaptor ida = (INodeDALAdaptor) HdfsStorageFactory.getDataAccess(INodeDataAccess.class);
        INode inode = ida.indexScanfindInodeById(((BlockInfo) b).getInodeId());
        if (inode != null) {
            inodeIden.setName(inode.getLocalName());
            inodeIden.setPid(inode.getParentId());
        }/*from  w  w  w  . ja v a2s  .  c om*/
        return inodeIden;
    } else {
        return resolveINodeFromBlockID(b.getBlockId());
    }
}

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

License:Apache License

public static INodeIdentifier resolveINodeFromId(final int id) throws StorageException {
    INodeIdentifier inodeIdentifier;/*  w w w.  ja  va2 s  .c o m*/

    LightWeightRequestHandler handler = new LightWeightRequestHandler(HDFSOperationType.RESOLVE_INODE_FROM_ID) {

        @Override
        public Object performTask() throws StorageException, IOException {
            INodeDALAdaptor ida = (INodeDALAdaptor) HdfsStorageFactory.getDataAccess(INodeDataAccess.class);
            INode inode = ida.indexScanfindInodeById(id);
            INodeIdentifier inodeIdent = new INodeIdentifier(id);
            if (inode != null) {
                inodeIdent.setName(inode.getLocalName());
                inodeIdent.setPid(inode.getParentId());
            }
            return inodeIdent;
        }
    };

    try {
        inodeIdentifier = (INodeIdentifier) handler.handle();
    } catch (IOException ex) {
        throw new StorageException(ex.getMessage());
    }
    return inodeIdentifier;
}

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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 {//w  w  w.  j  av a  2s .c  o m
            builder.append(node.getLocalName());
        }
    }
    return builder.toString();
}

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From source file:io.hops.transaction.context.INodeContext.java

License:Apache License

@Override
public void remove(INode iNode) throws TransactionContextException {
    super.remove(iNode);
    inodesNameParentIndex.remove(iNode.nameParentKey());
    log("removed-inode", "id", iNode.getId(), "name", iNode.getLocalName());
}

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From source file:io.hops.transaction.context.INodeContext.java

License:Apache License

@Override
public void update(INode iNode) throws TransactionContextException {
    super.update(iNode);
    inodesNameParentIndex.put(iNode.nameParentKey(), iNode);
    log("updated-inode", "id", iNode.getId(), "name", iNode.getLocalName());
}

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From source file:io.hops.transaction.context.INodeContext.java

License:Apache License

@Override
public void snapshotMaintenance(TransactionContextMaintenanceCmds cmds, Object... params)
        throws TransactionContextException {
    HdfsTransactionContextMaintenanceCmds hopCmds = (HdfsTransactionContextMaintenanceCmds) cmds;
    switch (hopCmds) {
    case INodePKChanged:
        //delete the previous row from db
        INode inodeBeforeChange = (INode) params[0];
        INode inodeAfterChange = (INode) params[1];
        super.remove(inodeBeforeChange);
        renamedInodes.add(inodeAfterChange);
        log("snapshot-maintenance-inode-pk-change", "Before inodeId", inodeBeforeChange.getId(), "name",
                inodeBeforeChange.getLocalName(), "pid", inodeBeforeChange.getParentId(), "After inodeId",
                inodeAfterChange.getId(), "name", inodeAfterChange.getLocalName(), "pid",
                inodeAfterChange.getParentId());
        log("snapshot-maintenance-removed-inode", "name", inodeBeforeChange.getLocalName(), "inodeId",
                inodeBeforeChange.getId(), "pid", inodeBeforeChange.getParentId());
        break;//from  ww  w  . j  ava 2  s .co m
    case Concat:
        // do nothing
        // why? files y and z are merged into file x.
        // all the blocks will be added to file x and the inodes y and z will be deleted.
        // Inode deletion is handled by the concat function
        break;
    }
}

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From source file:io.hops.transaction.context.INodeContext.java

License:Apache License

private boolean containsRemoved(final Integer parentId, final String name) {
    return contains(new Predicate<ContextEntity>() {
        @Override//from   w ww.ja  v a  2  s . c  o m
        public boolean apply(ContextEntity input) {
            INode iNode = input.getEntity();
            return input.getState() == State.REMOVED && iNode.getParentId() == parentId
                    && iNode.getLocalName().equals(name);
        }
    });
}

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

License:Apache License

private boolean verifyINodes(final List<INode> inodes, final String[] names, final int[] parentIds,
        final int[] inodeIds) throws IOException {
    boolean verified = false;
    if (names.length == parentIds.length) {
        if (inodes.size() == names.length) {
            boolean noChangeInInodes = true;
            for (int i = 0; i < inodes.size(); i++) {
                INode inode = inodes.get(i);
                noChangeInInodes = inode != null && inode.getLocalName().equals(names[i])
                        && inode.getParentId() == parentIds[i] && inode.getId() == inodeIds[i];
                if (!noChangeInInodes) {
                    break;
                }/*w w w  .j a v  a  2 s.c  om*/
            }
            verified = noChangeInInodes;
        }
    }
    return verified;
}

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

License:Apache License

private void checkSubtreeLock(INode iNode) throws SubtreeLockedException {
    if (SubtreeLockHelper.isSubtreeLocked(iNode.isSubtreeLocked(), iNode.getSubtreeLockOwner(),
            activeNamenodes)) {/* w w  w.  j  ava 2s.c om*/
        if (!ignoreLocalSubtreeLocks && namenodeId != iNode.getSubtreeLockOwner()) {
            throw new SubtreeLockedException(iNode.getLocalName(), activeNamenodes);
        }
    }
}

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