Examples with CacheObject org.apache.ignite.internal.processors.cache.CacheObject used on opensource projects

Example 56 with CacheObject

use of org.apache.ignite.internal.processors.cache.CacheObject in project ignite by apache.

the class GridDistributedCacheEntry method readyNearLock.

/**
 * Notifies mvcc that near local lock is ready to be acquired.
 *
 * @param ver Lock version.
 * @param mapped Mapped dht lock version.
 * @param committed Committed versions.
 * @param rolledBack Rolled back versions.
 * @param pending Pending locks on dht node with version less then mapped.
 *
 * @throws GridCacheEntryRemovedException If entry is removed.
 */
public void readyNearLock(GridCacheVersion ver, GridCacheVersion mapped, Collection<GridCacheVersion> committed, Collection<GridCacheVersion> rolledBack, Collection<GridCacheVersion> pending) throws GridCacheEntryRemovedException {
    CacheLockCandidates prev = null;
    CacheLockCandidates owner = null;
    CacheObject val;
    lockEntry();
    try {
        checkObsolete();
        GridCacheMvcc mvcc = mvccExtras();
        if (mvcc != null) {
            prev = mvcc.allOwners();
            boolean emptyBefore = mvcc.isEmpty();
            owner = mvcc.readyNearLocal(ver, mapped, committed, rolledBack, pending);
            assert owner == null || owner.candidate(0).owner() : "Owner flag is not set for owner: " + owner;
            boolean emptyAfter = mvcc.isEmpty();
            checkCallbacks(emptyBefore, emptyAfter);
            if (emptyAfter)
                mvccExtras(null);
        }
        val = this.val;
    } finally {
        unlockEntry();
    }
    // This call must be made outside of synchronization.
    checkOwnerChanged(prev, owner, val);
}

Example 57 with CacheObject

use of org.apache.ignite.internal.processors.cache.CacheObject in project ignite by apache.

the class GridDistributedCacheEntry method removeExplicitNodeLocks.

/**
 * Removes all lock candidates for node.
 *
 * @param nodeId ID of node to remove locks from.
 * @throws GridCacheEntryRemovedException If entry was removed.
 */
public void removeExplicitNodeLocks(UUID nodeId) throws GridCacheEntryRemovedException {
    CacheLockCandidates prev = null;
    CacheLockCandidates owner = null;
    CacheObject val = null;
    lockEntry();
    try {
        checkObsolete();
        GridCacheMvcc mvcc = mvccExtras();
        if (mvcc != null) {
            prev = mvcc.allOwners();
            boolean emptyBefore = mvcc.isEmpty();
            owner = mvcc.removeExplicitNodeCandidates(nodeId);
            boolean emptyAfter = mvcc.isEmpty();
            checkCallbacks(emptyBefore, emptyAfter);
            val = this.val;
            refreshRemotes();
            if (emptyAfter) {
                mvccExtras(null);
                onUnlock();
            }
        }
    } finally {
        unlockEntry();
    }
    // This call must be outside of synchronization.
    checkOwnerChanged(prev, owner, val);
}

Example 58 with CacheObject

use of org.apache.ignite.internal.processors.cache.CacheObject in project ignite by apache.

the class GridDistributedCacheEntry method addLocal.

/**
 * Add local candidate.
 *
 * @param threadId Owning thread ID.
 * @param ver Lock version.
 * @param topVer Topology version.
 * @param timeout Timeout to acquire lock.
 * @param reenter Reentry flag.
 * @param tx Transaction flag.
 * @param implicitSingle Implicit flag.
 * @param read Read lock flag.
 * @return New candidate.
 * @throws GridCacheEntryRemovedException If entry has been removed.
 */
@Nullable
public GridCacheMvccCandidate addLocal(long threadId, GridCacheVersion ver, AffinityTopologyVersion topVer, long timeout, boolean reenter, boolean tx, boolean implicitSingle, boolean read) throws GridCacheEntryRemovedException {
    GridCacheMvccCandidate cand;
    CacheLockCandidates prev;
    CacheLockCandidates owner;
    CacheObject val;
    lockEntry();
    try {
        checkObsolete();
        GridCacheMvcc mvcc = mvccExtras();
        if (mvcc == null) {
            mvcc = new GridCacheMvcc(cctx);
            mvccExtras(mvcc);
        }
        prev = mvcc.allOwners();
        boolean emptyBefore = mvcc.isEmpty();
        cand = mvcc.addLocal(this, threadId, ver, timeout, reenter, tx, implicitSingle, read);
        if (cand != null)
            cand.topologyVersion(topVer);
        owner = mvcc.allOwners();
        boolean emptyAfter = mvcc.isEmpty();
        checkCallbacks(emptyBefore, emptyAfter);
        val = this.val;
        if (emptyAfter)
            mvccExtras(null);
    } finally {
        unlockEntry();
    }
    // Don't link reentries.
    if (cand != null && !cand.reentry())
        // Link with other candidates in the same thread.
        cctx.mvcc().addNext(cctx, cand);
    checkOwnerChanged(prev, owner, val);
    return cand;
}

Example 59 with CacheObject

use of org.apache.ignite.internal.processors.cache.CacheObject in project ignite by apache.

the class GridDistributedCacheEntry method readyLock.

/**
 * @param ver Version of candidate to acquire lock for.
 * @return Owner.
 * @throws GridCacheEntryRemovedException If entry is removed.
 */
@Nullable
public CacheLockCandidates readyLock(GridCacheVersion ver) throws GridCacheEntryRemovedException {
    CacheLockCandidates prev = null;
    CacheLockCandidates owner = null;
    CacheObject val;
    lockEntry();
    try {
        checkObsolete();
        GridCacheMvcc mvcc = mvccExtras();
        if (mvcc != null) {
            prev = mvcc.allOwners();
            boolean emptyBefore = mvcc.isEmpty();
            owner = mvcc.readyLocal(ver);
            assert owner == null || owner.candidate(0).owner() : "Owner flag not set for owner: " + owner;
            boolean emptyAfter = mvcc.isEmpty();
            checkCallbacks(emptyBefore, emptyAfter);
            if (emptyAfter)
                mvccExtras(null);
        }
        val = this.val;
    } finally {
        unlockEntry();
    }
    // This call must be made outside of synchronization.
    checkOwnerChanged(prev, owner, val);
    return owner;
}

Example 60 with CacheObject

use of org.apache.ignite.internal.processors.cache.CacheObject in project ignite by apache.

the class GridDistributedCacheEntry method addRemote.

/**
 * Adds new lock candidate.
 *
 * @param nodeId Node ID.
 * @param otherNodeId Other node ID.
 * @param threadId Thread ID.
 * @param ver Lock version.
 * @param tx Transaction flag.
 * @param implicitSingle Implicit flag.
 * @param owned Owned candidate version.
 * @throws GridDistributedLockCancelledException If lock has been canceled.
 * @throws GridCacheEntryRemovedException If this entry is obsolete.
 */
public void addRemote(UUID nodeId, @Nullable UUID otherNodeId, long threadId, GridCacheVersion ver, boolean tx, boolean implicitSingle, @Nullable GridCacheVersion owned) throws GridDistributedLockCancelledException, GridCacheEntryRemovedException {
    CacheLockCandidates prev;
    CacheLockCandidates owner;
    CacheObject val;
    lockEntry();
    try {
        // Check removed locks prior to obsolete flag.
        checkRemoved(ver);
        checkObsolete();
        GridCacheMvcc mvcc = mvccExtras();
        if (mvcc == null) {
            mvcc = new GridCacheMvcc(cctx);
            mvccExtras(mvcc);
        }
        prev = mvcc.allOwners();
        boolean emptyBefore = mvcc.isEmpty();
        mvcc.addRemote(this, nodeId, otherNodeId, threadId, ver, tx, implicitSingle, /*near-local*/
        false);
        if (owned != null)
            mvcc.markOwned(ver, owned);
        owner = mvcc.allOwners();
        boolean emptyAfter = mvcc.isEmpty();
        checkCallbacks(emptyBefore, emptyAfter);
        val = this.val;
        refreshRemotes();
        if (emptyAfter)
            mvccExtras(null);
    } finally {
        unlockEntry();
    }
    // This call must be outside of synchronization.
    checkOwnerChanged(prev, owner, val);
}