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

Introduction

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

Prototype

public abstract long getId();

Source Link

Document

Get inode id

Usage

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 w  w  w. j  av  a  2 s .c o  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

@Override
Integer getKey(INode iNode) {
    return iNode.getId();
}

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

License:Apache License

private List<INode> syncInodeInstances(List<INode> newInodes) {
    List<INode> finalList = new ArrayList<INode>(newInodes.size());

    for (INode inode : newInodes) {
        if (isRemoved(inode.getId())) {
            continue;
        }//from   ww w. j a  va2 s .c o  m

        gotFromDB(inode);
        finalList.add(inode);

        String key = inode.nameParentKey();
        if (inodesNameParentIndex.containsKey(key)) {
            if (inodesNameParentIndex.get(key) == null) {
                inodesNameParentIndex.put(key, inode);
            }
        } else {
            inodesNameParentIndex.put(key, inode);
        }
    }
    Collections.sort(finalList, INode.Order.ByName);
    return finalList;
}

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

License:Apache License

@Override
protected void acquire(TransactionLocks locks) throws IOException {
    BaseINodeLock inodeLock = (BaseINodeLock) locks.getLock(Type.INode);
    for (INode inode : inodeLock.getAllResolvedINodes()) {
        if (inode.getNumAces() > 0) {
            //Retrieve aces for inode
            int[] indices = new int[inode.getNumAces()];
            for (int i = 0; i < inode.getNumAces(); i++) {
                indices[i] = i;// www.  j  a  va  2 s.co  m
            }
            acquireLockList(TransactionLockTypes.LockType.WRITE, Ace.Finder.ByInodeIdAndIndices, inode.getId(),
                    indices);
        }
    }
}

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

License:Apache License

protected void acquireINodeAttributes() throws StorageException, TransactionContextException {
    List<INodeCandidatePrimaryKey> pks = new ArrayList<INodeCandidatePrimaryKey>();
    for (INode inode : getAllResolvedINodes()) {
        if (inode instanceof INodeDirectoryWithQuota) {
            INodeCandidatePrimaryKey pk = new INodeCandidatePrimaryKey(inode.getId());
            pks.add(pk);/*  ww  w .  j a v  a2 s.  c  om*/
        }
    }
    acquireLockList(DEFAULT_LOCK_TYPE, INodeAttributes.Finder.ByINodeIds, pks);
}

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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;
                }/*from   w  w w .  j  av a2 s  . com*/
            }
            verified = noChangeInInodes;
        }
    }
    return verified;
}

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

License:Apache License

@Override
protected void acquire(TransactionLocks locks) throws IOException {
    INodeLock iNodeLock = (INodeLock) locks.getLock(Type.INode);
    INode iNode = iNodeLock.getTargetINode(target);
    BlockChecksumDataAccess.KeyTuple key = new BlockChecksumDataAccess.KeyTuple(iNode.getId(), blockIndex);
    acquireLock(DEFAULT_LOCK_TYPE, BlockChecksum.Finder.ByKeyTuple, key);
}

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

License:Apache License

@Override
protected void acquire(TransactionLocks locks) throws IOException {
    BaseINodeLock inodeLock = (BaseINodeLock) locks.getLock(Type.INode);
    Iterable blks = Collections.EMPTY_LIST;
    for (INode inode : inodeLock.getAllResolvedINodes()) {
        if (inode instanceof INodeFile) {
            Collection<BlockInfo> inodeBlocks = acquireLockList(DEFAULT_LOCK_TYPE, BlockInfo.Finder.ByINodeId,
                    inode.getId());
            blks = Iterables.concat(blks, inodeBlocks);
            files.add((INodeFile) inode);
        }/*  w ww  . j a  v a2  s. c  om*/
    }
    //FIXME we need to bring null to the cache instead
    fixTheCache(locks, blks);
}

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

License:Apache License

@Override
protected void acquire(TransactionLocks locks) throws IOException {
    INodeLock iNodeLock = (INodeLock) locks.getLock(Type.INode);
    LeasePathLock leasePathLock = (LeasePathLock) locks.getLock(Type.LeasePath);
    if (path != null) {
        Collection<LeasePath> lps = leasePathLock.getLeasePaths();
        for (LeasePath lp : lps) {
            if (lp.getPath().equals(path)) {
                INode targetInode = iNodeLock.getTargetINode(path);
                readBlock(lp.getLastBlockId(), targetInode.getId());
                readBlock(lp.getPenultimateBlockId(), targetInode.getId());

                if (getBlocks() == null || getBlocks().isEmpty()) {
                    announceEmptyFile(targetInode.getId());
                }// w w  w  . j  a va2  s . co m

                break;
            }
        }
    } else {
        Collection<LeasePath> lps = leasePathLock.getLeasePaths();
        INode targetInode = INodeUtil.getNode(fileId, true);
        String p = targetInode.getFullPathName();
        for (LeasePath lp : lps) {
            if (lp.getPath().equals(p)) {
                readBlock(lp.getLastBlockId(), fileId);
                readBlock(lp.getPenultimateBlockId(), fileId);

                if (getBlocks() == null || getBlocks().isEmpty()) {
                    announceEmptyFile(targetInode.getId());
                }

                break;
            }
        }
    }
}

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

License:Apache License

private void acquireQuotaUpdate(INode iNode) throws StorageException, TransactionContextException {
    acquireLockList(DEFAULT_LOCK_TYPE, QuotaUpdate.Finder.ByINodeId, iNode.getId());
}

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