Examples with IgniteUuid org.apache.ignite.lang.IgniteUuid used on opensource projects

Example 96 with IgniteUuid

use of org.apache.ignite.lang.IgniteUuid in project ignite by apache.

the class IgfsMetaManager method move.

/**
     * Move routine.
     *
     * @param srcPath Source path.
     * @param dstPath Destination path.
     * @throws IgniteCheckedException In case of exception.
     */
public void move(IgfsPath srcPath, IgfsPath dstPath) throws IgniteCheckedException {
    if (busyLock.enterBusy()) {
        try {
            validTxState(false);
            // Prepare path IDs.
            IgfsPathIds srcPathIds = pathIds(srcPath);
            IgfsPathIds dstPathIds = pathIds(dstPath);
            // Source path must exists.
            if (!srcPathIds.allExists())
                throw new IgfsPathNotFoundException("Failed to perform move because source path is not " + "found: " + srcPath);
            // At this point we need to understand name of resulting entry. It will be either destination leaf
            // or source leaf depending on existence.
            String dstName;
            if (dstPathIds.lastExists())
                //  Full destination path exists -> use source name.
                dstName = srcPathIds.lastPart();
            else {
                if (dstPathIds.lastParentExists()) {
                    // Destination path doesn't exists -> use destination name.
                    dstName = dstPathIds.lastPart();
                    dstPathIds = dstPathIds.parent();
                } else
                    // Destination parent is not found either -> exception.
                    throw new IgfsPathNotFoundException("Failed to perform move because destination path is not " + "found: " + dstPath.parent());
            }
            // Lock participating IDs.
            final Set<IgniteUuid> lockIds = new TreeSet<>(PATH_ID_SORTING_COMPARATOR);
            srcPathIds.addExistingIds(lockIds, relaxed);
            dstPathIds.addExistingIds(lockIds, relaxed);
            try (GridNearTxLocal tx = startTx()) {
                // Obtain the locks.
                final Map<IgniteUuid, IgfsEntryInfo> lockInfos = lockIds(lockIds);
                // Verify integrity of source and destination paths.
                if (!srcPathIds.verifyIntegrity(lockInfos, relaxed))
                    throw new IgfsPathNotFoundException("Failed to perform move because source directory " + "structure changed concurrently [src=" + srcPath + ", dst=" + dstPath + ']');
                if (!dstPathIds.verifyIntegrity(lockInfos, relaxed))
                    throw new IgfsPathNotFoundException("Failed to perform move because destination directory " + "structure changed concurrently [src=" + srcPath + ", dst=" + dstPath + ']');
                // Addiional check: is destination directory?
                IgfsEntryInfo dstParentInfo = lockInfos.get(dstPathIds.lastId());
                if (dstParentInfo.isFile())
                    throw new IgfsPathAlreadyExistsException("Failed to perform move because destination points " + "to existing file [src=" + srcPath + ", dst=" + dstPath + ']');
                // Additional check: does destination already has child with the same name?
                if (dstParentInfo.hasChild(dstName))
                    throw new IgfsPathAlreadyExistsException("Failed to perform move because destination already " + "contains entry with the same name existing file [src=" + srcPath + ", dst=" + dstPath + ']');
                // Actual move: remove from source parent and add to destination target.
                IgfsEntryInfo srcParentInfo = lockInfos.get(srcPathIds.lastParentId());
                IgfsEntryInfo srcInfo = lockInfos.get(srcPathIds.lastId());
                String srcName = srcPathIds.lastPart();
                IgfsListingEntry srcEntry = srcParentInfo.listing().get(srcName);
                transferEntry(srcEntry, srcParentInfo.id(), srcName, dstParentInfo.id(), dstName);
                tx.commit();
                // Fire events.
                IgfsPath newPath = new IgfsPath(dstPathIds.path(), dstName);
                IgfsUtils.sendEvents(igfsCtx.kernalContext(), srcPath, newPath, srcInfo.isFile() ? EVT_IGFS_FILE_RENAMED : EVT_IGFS_DIR_RENAMED);
            }
        } finally {
            busyLock.leaveBusy();
        }
    } else
        throw new IllegalStateException("Failed to perform move because Grid is stopping [srcPath=" + srcPath + ", dstPath=" + dstPath + ']');
}

Example 97 with IgniteUuid

use of org.apache.ignite.lang.IgniteUuid in project ignite by apache.

the class IgfsOutputStreamImpl method initialStreamRange.

/**
     * Gets initial affinity range. This range will have 0 length and will start from first
     * non-occupied file block.
     *
     * @param fileInfo File info to build initial range for.
     * @return Affinity range.
     */
private IgfsFileAffinityRange initialStreamRange(IgfsEntryInfo fileInfo) {
    if (!igfsCtx.configuration().isFragmentizerEnabled())
        return null;
    if (!Boolean.parseBoolean(fileInfo.properties().get(IgfsUtils.PROP_PREFER_LOCAL_WRITES)))
        return null;
    int blockSize = fileInfo.blockSize();
    // Find first non-occupied block offset.
    long off = ((fileInfo.length() + blockSize - 1) / blockSize) * blockSize;
    // Need to get last affinity key and reuse it if we are on the same node.
    long lastBlockOff = off - fileInfo.blockSize();
    if (lastBlockOff < 0)
        lastBlockOff = 0;
    IgfsFileMap map = fileInfo.fileMap();
    IgniteUuid prevAffKey = map == null ? null : map.affinityKey(lastBlockOff, false);
    IgniteUuid affKey = igfsCtx.data().nextAffinityKey(prevAffKey);
    return affKey == null ? null : new IgfsFileAffinityRange(off, off, affKey);
}

Example 98 with IgniteUuid

use of org.apache.ignite.lang.IgniteUuid in project ignite by apache.

the class GridQueryProcessor method onDiscovery.

/**
     * Handle custom discovery message.
     *
     * @param msg Message.
     */
public void onDiscovery(SchemaAbstractDiscoveryMessage msg) {
    IgniteUuid id = msg.id();
    if (!dscoMsgIdHist.add(id)) {
        U.warn(log, "Received duplicate schema custom discovery message (will ignore) [opId=" + msg.operation().id() + ", msg=" + msg + ']');
        return;
    }
    if (msg instanceof SchemaProposeDiscoveryMessage) {
        SchemaProposeDiscoveryMessage msg0 = (SchemaProposeDiscoveryMessage) msg;
        boolean exchange = onSchemaProposeDiscovery(msg0);
        msg0.exchange(exchange);
    } else if (msg instanceof SchemaFinishDiscoveryMessage) {
        SchemaFinishDiscoveryMessage msg0 = (SchemaFinishDiscoveryMessage) msg;
        onSchemaFinishDiscovery(msg0);
    } else
        U.warn(log, "Received unsupported schema custom discovery message (will ignore) [opId=" + msg.operation().id() + ", msg=" + msg + ']');
}