Examples of org.gridgain.grid.kernal.processors.cache.distributed.dht.GridDhtPartitionState

Package org.gridgain.grid.kernal.processors.cache.distributed.dht

Examples of org.gridgain.grid.kernal.processors.cache.distributed.dht.GridDhtPartitionState

org.gridgain.grid.kernal.processors.cache.distributed.dht.GridDhtPartitionState

            for (GridDhtPartitionMap parts : allParts.values()) {
                if (!parts.nodeId().equals(g.localNode().id())) {
                    for (Map.Entry<Integer, GridDhtPartitionState> e : parts.entrySet()) {
                        int p = e.getKey();


                        GridDhtPartitionState state = e.getValue();


                        assert state == OWNING || state == MOVING || state == RENTING :
                            "Invalid state [grid=" + g.name() + ", part=" + p + ", state=" + state +
                                ", parts=" + parts + ']';


                        assert state.active();
                    }
                }
            }
        }
    }

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    /**
     * @return If partition is moving or owning or renting.
     */
    public boolean valid() {
        GridDhtPartitionState state = state();


        return state == MOVING || state == OWNING || state == RENTING;
    }

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    /**
     * @param entry Entry to add.
     */
    void onAdded(GridDhtCacheEntry<K, V> entry) {
        GridDhtPartitionState state = state();


        assert state != EVICTED : "Adding entry to invalid partition: " + this;


        map.put(entry.key(), entry);

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     */
    public boolean reserve() {
        while (true) {
            int reservations = state.getStamp();


            GridDhtPartitionState s = state.getReference();


            if (s == EVICTED)
                return false;


            if (state.compareAndSet(s, s, reservations, reservations + 1))

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            int reservations = state.getStamp();


            if (reservations == 0)
                return;


            GridDhtPartitionState s = state.getReference();


            assert s != EVICTED;


            // Decrement reservations.
            if (state.compareAndSet(s, s, reservations, --reservations)) {

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     */
    boolean own() {
        while (true) {
            int reservations = state.getStamp();


            GridDhtPartitionState s = state.getReference();


            if (s == RENTING || s == EVICTED)
                return false;


            if (s == OWNING)

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     */
    GridFuture<?> rent(boolean updateSeq) {
        while (true) {
            int reservations = state.getStamp();


            GridDhtPartitionState s = state.getReference();


            if (s == RENTING || s == EVICTED)
                return rent;


            if (state.compareAndSet(s, RENTING, reservations, reservations)) {

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        // Synchronously wait for all renting partitions to complete.
        for (Iterator<GridDhtLocalPartition<K, V>> it = locParts.values().iterator(); it.hasNext();) {
            GridDhtLocalPartition<K, V> p = it.next();


            GridDhtPartitionState state = p.state();


            if (state == RENTING || state == EVICTED) {
                if (log.isDebugEnabled())
                    log.debug("Waiting for renting partition: " + p);

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                    boolean belongs = cctx.affinity().localNode(p, topVer);


                    if (locPart != null) {
                        if (!belongs) {
                            GridDhtPartitionState state = locPart.state();


                            if (state.active()) {
                                locPart.rent(false);


                                updateLocal(p, loc.id(), locPart.state(), updateSeq);


                                if (log.isDebugEnabled())

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                            log.debug("Skipping local partition afterExchange (will not create): " + p);


                        continue;
                    }


                    GridDhtPartitionState state = locPart.state();


                    if (state == MOVING) {
                        if (cctx.preloadEnabled()) {
                            Collection<GridNode> owners = owners(p);


                            // If there are no other owners, then become an owner.
                            if (F.isEmpty(owners)) {
                                boolean owned = locPart.own();


                                assert owned : "Failed to own partition [cacheName" + cctx.name() + ", locPart=" +
                                    locPart + ']';


                                updateLocal(p, loc.id(), locPart.state(), updateSeq);


                                changed = true;


                                if (log.isDebugEnabled())
                                    log.debug("Owned partition: " + locPart);
                            }
                            else if (log.isDebugEnabled())
                                log.debug("Will not own partition (there are owners to preload from) [locPart=" +
                                    locPart + ", owners = " + owners + ']');
                        }
                        else
                            updateLocal(p, loc.id(), locPart.state(), updateSeq);
                    }
                }
                else {
                    if (locPart != null) {
                        GridDhtPartitionState state = locPart.state();


                        if (state == MOVING) {
                            locPart.rent(false);


                            updateLocal(p, loc.id(), locPart.state(), updateSeq);

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Related Classes of org.gridgain.grid.kernal.processors.cache.distributed.dht.GridDhtPartitionState

org.gridgain.grid.kernal.processors.cache.distributed.dht.GridCacheDhtPreloadSelfTest

org.gridgain.grid.kernal.processors.cache.distributed.dht.GridDhtLocalPartition

org.gridgain.grid.kernal.processors.cache.distributed.dht.GridDhtPartitionTopologyImpl

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