@Override
  public final void store(InternalCacheEntry ed) throws CacheLoaderException {
    if (trace) {
      log.tracef("store(%s)", ed);
    }
    if (ed == null) {
      return;
    }
    if (ed.canExpire() && ed.isExpired(System.currentTimeMillis())) {
      if (containsKey(ed.getKey())) {
        if (trace) {
          log.tracef("Entry %s is expired!  Removing!", ed);
        }
        remove(ed.getKey());
      } else {
        if (trace) {
          log.tracef("Entry %s is expired!  Not doing anything.", ed);
        }
      }
      return;
    }

    L keyHashCode = getLockFromKey(ed.getKey());
    lockForWriting(keyHashCode);
    try {
      storeLockSafe(ed, keyHashCode);
    } finally {
      unlock(keyHashCode);
    }
    if (trace) {
      log.tracef("exit store(%s)", ed);
    }
  }
Exemplo n.º 2
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 public void compact() {
   for (InternalCacheEntry e : dataContainer) {
     if (e.getKey() instanceof MarshalledValue) {
       ((MarshalledValue) e.getKey()).compact(true, true);
     }
     if (e.getValue() instanceof MarshalledValue) {
       ((MarshalledValue) e.getValue()).compact(true, true);
     }
   }
 }
Exemplo n.º 3
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  @Override
  public void notifyCacheEntriesEvicted(
      Collection<InternalCacheEntry<? extends K, ? extends V>> entries,
      InvocationContext ctx,
      FlagAffectedCommand command) {
    if (!entries.isEmpty()) {
      if (isNotificationAllowed(command, cacheEntriesEvictedListeners)) {
        EventImpl<K, V> e = EventImpl.createEvent(cache, CACHE_ENTRY_EVICTED);
        Map<K, V> evictedKeysAndValues =
            transformCollectionToMap(
                entries,
                new InfinispanCollections.MapMakerFunction<
                    K, V, InternalCacheEntry<? extends K, ? extends V>>() {
                  @Override
                  public Map.Entry<K, V> transform(
                      final InternalCacheEntry<? extends K, ? extends V> input) {
                    return new Map.Entry<K, V>() {
                      @Override
                      public K getKey() {
                        return input.getKey();
                      }

                      @Override
                      public V getValue() {
                        return input.getValue();
                      }

                      @Override
                      public V setValue(V value) {
                        throw new UnsupportedOperationException();
                      }
                    };
                  }
                });

        e.setEntries(evictedKeysAndValues);
        for (CacheEntryListenerInvocation<K, V> listener : cacheEntriesEvictedListeners)
          listener.invoke(e);
      }

      // For backward compat
      if (isNotificationAllowed(command, cacheEntryEvictedListeners)) {
        for (InternalCacheEntry<? extends K, ? extends V> ice : entries) {
          EventImpl<K, V> e = EventImpl.createEvent(cache, CACHE_ENTRY_EVICTED);
          e.setKey(ice.getKey());
          e.setValue(ice.getValue());
          boolean isLocalNodePrimaryOwner =
              clusteringDependentLogic.localNodeIsPrimaryOwner(ice.getKey());
          for (CacheEntryListenerInvocation<K, V> listener : cacheEntryEvictedListeners)
            listener.invoke(e, isLocalNodePrimaryOwner);
        }
      }
    }
  }
Exemplo n.º 4
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  @Override
  public void put(K k, V v, Metadata metadata) {
    boolean l1Entry = false;
    if (metadata instanceof L1Metadata) {
      metadata = ((L1Metadata) metadata).metadata();
      l1Entry = true;
    }
    InternalCacheEntry<K, V> e = entries.get(k);

    if (trace) {
      log.tracef(
          "Creating new ICE for writing. Existing=%s, metadata=%s, new value=%s",
          e, metadata, toStr(v));
    }
    final InternalCacheEntry<K, V> copy;
    if (l1Entry) {
      copy = entryFactory.createL1(k, v, metadata);
    } else if (e != null) {
      copy = entryFactory.update(e, v, metadata);
    } else {
      // this is a brand-new entry
      copy = entryFactory.create(k, v, metadata);
    }

    if (trace) log.tracef("Store %s in container", copy);

    entries.compute(
        copy.getKey(),
        (key, entry) -> {
          activator.onUpdate(key, entry == null);
          return copy;
        });
  }
 @Override
 protected String toString(InternalCacheEntry ice) {
   if (ice == null) return null;
   StringBuilder sb = new StringBuilder(256);
   sb.append(ice.getClass().getSimpleName());
   sb.append("[key=").append(ice.getKey()).append(", value=").append(ice.getValue());
   sb.append(", created=").append(ice.getCreated()).append(", isCreated=").append(ice.isCreated());
   sb.append(", lastUsed=")
       .append(ice.getLastUsed())
       .append(", isChanged=")
       .append(ice.isChanged());
   sb.append(", expires=")
       .append(ice.getExpiryTime())
       .append(", isExpired=")
       .append(ice.isExpired(System.currentTimeMillis()));
   sb.append(", canExpire=")
       .append(ice.canExpire())
       .append(", isEvicted=")
       .append(ice.isEvicted());
   sb.append(", isRemoved=").append(ice.isRemoved()).append(", isValid=").append(ice.isValid());
   sb.append(", lifespan=")
       .append(ice.getLifespan())
       .append(", maxIdle=")
       .append(ice.getMaxIdle());
   return sb.append(']').toString();
 }
 private void testStoredEntry(
     InternalCacheEntry entry,
     Object expectedValue,
     long expectedLifespan,
     String src,
     Object key) {
   assert entry != null : src + " entry for key " + key + " should NOT be null";
   assert entry.getValue().equals(expectedValue)
       : src
           + " should contain value "
           + expectedValue
           + " under key "
           + entry.getKey()
           + " but was "
           + entry.getValue()
           + ". Entry is "
           + entry;
   assert entry.getLifespan() == expectedLifespan
       : src
           + " expected lifespan for key "
           + key
           + " to be "
           + expectedLifespan
           + " but was "
           + entry.getLifespan()
           + ". Entry is "
           + entry;
 }
  private Object realRemoteGet(
      InvocationContext ctx, Object key, boolean storeInL1, boolean isWrite) throws Throwable {
    if (trace) log.tracef("Doing a remote get for key %s", key);

    boolean acquireRemoteLock = false;
    if (ctx.isInTxScope()) {
      TxInvocationContext txContext = (TxInvocationContext) ctx;
      acquireRemoteLock =
          isWrite && isPessimisticCache && !txContext.getAffectedKeys().contains(key);
    }
    // attempt a remote lookup
    InternalCacheEntry ice = dm.retrieveFromRemoteSource(key, ctx, acquireRemoteLock);

    if (acquireRemoteLock) {
      ((TxInvocationContext) ctx).addAffectedKey(key);
    }

    if (ice != null) {
      if (storeInL1) {
        if (isL1CacheEnabled) {
          if (trace) log.tracef("Caching remotely retrieved entry for key %s in L1", key);
          // This should be fail-safe
          try {
            long lifespan =
                ice.getLifespan() < 0
                    ? configuration.getL1Lifespan()
                    : Math.min(ice.getLifespan(), configuration.getL1Lifespan());
            PutKeyValueCommand put =
                cf.buildPutKeyValueCommand(
                    ice.getKey(), ice.getValue(), lifespan, -1, ctx.getFlags());
            lockAndWrap(ctx, key, ice);
            invokeNextInterceptor(ctx, put);
          } catch (Exception e) {
            // Couldn't store in L1 for some reason.  But don't fail the transaction!
            log.infof("Unable to store entry %s in L1 cache", key);
            log.debug("Inability to store in L1 caused by", e);
          }
        } else {
          CacheEntry ce = ctx.lookupEntry(key);
          if (ce == null || ce.isNull() || ce.isLockPlaceholder() || ce.getValue() == null) {
            if (ce != null && ce.isChanged()) {
              ce.setValue(ice.getValue());
            } else {
              if (isWrite) lockAndWrap(ctx, key, ice);
              else ctx.putLookedUpEntry(key, ice);
            }
          }
        }
      } else {
        if (trace) log.tracef("Not caching remotely retrieved entry for key %s in L1", key);
      }
      return ice.getValue();
    }
    return null;
  }
 private void commitClearCommand(
     DataContainer<Object, Object> dataContainer,
     ClearCacheEntry<Object, Object> cacheEntry,
     InvocationContext context,
     FlagAffectedCommand command) {
   List<InternalCacheEntry<Object, Object>> copyEntries =
       new ArrayList<>(dataContainer.entrySet());
   cacheEntry.commit(dataContainer, null);
   for (InternalCacheEntry entry : copyEntries) {
     notifier.notifyCacheEntryRemoved(
         entry.getKey(), entry.getValue(), entry.getMetadata(), false, context, command);
   }
 }
Exemplo n.º 9
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 private MVCCEntry wrapEntry(InvocationContext ctx, Object key) {
   CacheEntry cacheEntry = getFromContext(ctx, key);
   MVCCEntry mvccEntry = null;
   if (cacheEntry != null) {
     mvccEntry = wrapMvccEntryForPut(ctx, key, cacheEntry);
   } else {
     InternalCacheEntry ice = getFromContainer(key);
     if (ice != null) {
       mvccEntry = wrapInternalCacheEntryForPut(ctx, ice.getKey(), ice);
     }
   }
   if (mvccEntry != null) mvccEntry.copyForUpdate(container, localModeWriteSkewCheck);
   return mvccEntry;
 }
Exemplo n.º 10
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 public Object getValueAt(int rowIndex, int columnIndex) {
   if (data.size() > rowIndex) {
     InternalCacheEntry e = data.get(rowIndex);
     switch (columnIndex) {
       case 0:
         return e.getKey();
       case 1:
         return e.getValue();
       case 2:
         return e.getLifespan();
       case 3:
         return e.getMaxIdle();
     }
   }
   return "NULL!";
 }
Exemplo n.º 11
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  public void testIdleExpiryInPut() throws InterruptedException {
    Cache<String, String> cache = cm.getCache();
    long idleTime = IDLE_TIMEOUT;
    cache.put("k", "v", -1, MILLISECONDS, idleTime, MILLISECONDS);

    DataContainer dc = cache.getAdvancedCache().getDataContainer();
    InternalCacheEntry se = dc.get("k", null);
    assert se.getKey().equals("k");
    assert se.getValue().equals("v");
    assert se.getLifespan() == -1;
    assert se.getMaxIdle() == idleTime;
    assert !se.isExpired();
    assert cache.get("k").equals("v");
    Thread.sleep(idleTime + 100);
    assert se.isExpired();
    assert cache.get("k") == null;
  }
Exemplo n.º 12
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  @Override
  public void notifyCacheEntriesEvicted(
      Collection<InternalCacheEntry> entries, InvocationContext ctx, FlagAffectedCommand command) {
    if (!entries.isEmpty()) {
      if (isNotificationAllowed(command, cacheEntriesEvictedListeners)) {
        EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_EVICTED);
        Map<Object, Object> evictedKeysAndValues =
            transformCollectionToMap(
                entries,
                new InfinispanCollections.MapMakerFunction<Object, Object, InternalCacheEntry>() {
                  @Override
                  public Map.Entry<Object, Object> transform(final InternalCacheEntry input) {
                    return new Map.Entry<Object, Object>() {
                      @Override
                      public Object getKey() {
                        return input.getKey();
                      }

                      @Override
                      public Object getValue() {
                        return input.getValue();
                      }

                      @Override
                      public Object setValue(Object value) {
                        throw new UnsupportedOperationException();
                      }
                    };
                  }
                });

        e.setEntries(evictedKeysAndValues);
        for (ListenerInvocation listener : cacheEntriesEvictedListeners) listener.invoke(e);
      }

      // For backward compat
      if (isNotificationAllowed(command, cacheEntryEvictedListeners)) {
        for (InternalCacheEntry ice : entries) {
          EventImpl<Object, Object> e = EventImpl.createEvent(cache, CACHE_ENTRY_EVICTED);
          e.setKey(ice.getKey());
          e.setValue(ice.getValue());
          for (ListenerInvocation listener : cacheEntryEvictedListeners) listener.invoke(e);
        }
      }
    }
  }
Exemplo n.º 13
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  public void testContainerIteration() {
    dc.put("k1", "v", 6000000, -1);
    dc.put("k2", "v", -1, -1);
    dc.put("k3", "v", -1, 6000000);
    dc.put("k4", "v", 6000000, 6000000);

    Set expected = new HashSet();
    expected.add("k1");
    expected.add("k2");
    expected.add("k3");
    expected.add("k4");

    for (InternalCacheEntry ice : dc) {
      assert expected.remove(ice.getKey());
    }

    assert expected.isEmpty() : "Did not see keys " + expected + " in iterator!";
  }
Exemplo n.º 14
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  public void testGetsFromMultipleSrcs() throws Exception {

    assert cs.load("k1") == null;
    assert cs.load("k2") == null;
    assert cs.load("k3") == null;
    assert cs.load("k4") == null;

    // k1 is on store1
    store1.store(InternalEntryFactory.create("k1", "v1"));

    assertEquals(cs.loadAll().size(), 1);
    // k2 is on store2
    store2.store(InternalEntryFactory.create("k2", "v2"));
    assertEquals(cs.loadAll().size(), 2);

    // k3 is on both
    store1.store(InternalEntryFactory.create("k3", "v3"));
    assertEquals(cs.loadAll().size(), 3);
    store2.store(InternalEntryFactory.create("k3", "v3"));
    assertEquals(cs.loadAll().size(), 3);

    // k4 is on neither

    assert cs.load("k1").getValue().equals("v1");
    assert cs.load("k2").getValue().equals("v2");
    assert cs.load("k3").getValue().equals("v3");
    assert cs.load("k4") == null;

    Set<InternalCacheEntry> all = cs.loadAll();

    assertEquals(all.size(), 3);
    Set<Object> expectedKeys = new HashSet<Object>();
    expectedKeys.add("k1");
    expectedKeys.add("k2");
    expectedKeys.add("k3");
    for (InternalCacheEntry a : all) assert expectedKeys.remove(a.getKey());

    assert expectedKeys.isEmpty();

    cs.remove("k3");

    assert !store1.containsKey("k3");
    assert !store2.containsKey("k3");
  }
Exemplo n.º 15
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 private void store0(
     InternalCacheEntry entry, Map<ByteBuffer, Map<String, List<Mutation>>> mutationMap)
     throws IOException, UnsupportedKeyTypeException {
   Object key = entry.getKey();
   if (trace) log.tracef("store(\"%s\") ", key);
   String cassandraKey = hashKey(key);
   try {
     addMutation(
         mutationMap,
         ByteBufferUtil.bytes(cassandraKey),
         config.entryColumnFamily,
         ByteBuffer.wrap(entryColumnPath.getColumn()),
         ByteBuffer.wrap(marshall(entry)));
     if (entry.canExpire()) {
       addExpiryEntry(cassandraKey, entry.getExpiryTime(), mutationMap);
     }
   } catch (InterruptedException ie) {
     if (trace) log.trace("Interrupted while trying to marshall entry");
     Thread.currentThread().interrupt();
   }
 }
  public void testEntrySetWithEvictedEntriesAndFlags() {
    final int numKeys = 300;
    for (int i = 0; i < numKeys; i++) {
      cache.put(i, i);
    }

    AdvancedCache<Object, Object> flagCache =
        cache.getAdvancedCache().withFlags(Flag.SKIP_CACHE_LOAD);
    DataContainer dc = flagCache.getDataContainer();
    assertFalse("Data Container should not have all keys", numKeys == dc.size());
    Set<Map.Entry<Object, Object>> entrySet = flagCache.entrySet();
    assertEquals(dc.size(), entrySet.size());

    Set<InternalCacheEntry> entries = dc.entrySet();
    Map<Object, Object> map = new HashMap<Object, Object>(entrySet.size());
    for (Map.Entry<Object, Object> entry : entrySet) {
      map.put(entry.getKey(), entry.getValue());
    }

    for (InternalCacheEntry entry : entries) {
      assertEquals("Key/Value mismatch!", entry.getValue(), map.get(entry.getKey()));
    }
  }
 /**
  * Attempts to the L1 update and set the value. If the L1 update was marked as being skipped this
  * will instead just set the value to release blockers. A null value can be provided which will
  * not run the L1 update but will just alert other waiters that a null was given.
  */
 public void runL1UpdateIfPossible(InternalCacheEntry ice) {
   Object value = null;
   try {
     if (ice != null) {
       value = ice.getValue();
       Object key;
       if (sync.attemptUpdateToRunning() && !dc.containsKey((key = ice.getKey()))) {
         // Acquire the transfer lock to ensure that we don't have a rehash and change to become an
         // owner,
         // note we check the ownership in following if
         stateTransferLock.acquireSharedTopologyLock();
         try {
           // Now we can update the L1 if there isn't a value already there and we haven't now
           // become a write
           // owner
           if (!dc.containsKey(key) && !cdl.localNodeIsOwner(key)) {
             log.tracef("Caching remotely retrieved entry for key %s in L1", key);
             long lifespan =
                 ice.getLifespan() < 0 ? l1Lifespan : Math.min(ice.getLifespan(), l1Lifespan);
             // Make a copy of the metadata stored internally, adjust
             // lifespan/maxIdle settings and send them a modification
             Metadata newMetadata =
                 ice.getMetadata().builder().lifespan(lifespan).maxIdle(-1).build();
             dc.put(key, ice.getValue(), newMetadata);
           } else {
             log.tracef("Data container contained value after rehash for key %s", key);
           }
         } finally {
           stateTransferLock.releaseSharedTopologyLock();
         }
       }
     }
   } finally {
     sync.innerSet(value);
   }
 }
Exemplo n.º 18
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  private void doApplyState(
      Address sender, int segmentId, Collection<InternalCacheEntry> cacheEntries) {
    log.debugf(
        "Applying new state for segment %d of cache %s from node %s: received %d cache entries",
        segmentId, cacheName, sender, cacheEntries.size());
    if (trace) {
      List<Object> keys = new ArrayList<Object>(cacheEntries.size());
      for (InternalCacheEntry e : cacheEntries) {
        keys.add(e.getKey());
      }
      log.tracef(
          "Received keys %s for segment %d of cache %s from node %s",
          keys, segmentId, cacheName, sender);
    }

    // CACHE_MODE_LOCAL avoids handling by StateTransferInterceptor and any potential locks in
    // StateTransferLock
    EnumSet<Flag> flags =
        EnumSet.of(
            PUT_FOR_STATE_TRANSFER,
            CACHE_MODE_LOCAL,
            IGNORE_RETURN_VALUES,
            SKIP_REMOTE_LOOKUP,
            SKIP_SHARED_CACHE_STORE,
            SKIP_OWNERSHIP_CHECK,
            SKIP_XSITE_BACKUP);
    for (InternalCacheEntry e : cacheEntries) {
      try {
        InvocationContext ctx;
        if (transactionManager != null) {
          // cache is transactional
          transactionManager.begin();
          Transaction transaction = transactionManager.getTransaction();
          ctx = icc.createInvocationContext(transaction);
          ((TxInvocationContext) ctx).setImplicitTransaction(true);
        } else {
          // non-tx cache
          ctx = icc.createSingleKeyNonTxInvocationContext();
        }

        PutKeyValueCommand put =
            useVersionedPut
                ? commandsFactory.buildVersionedPutKeyValueCommand(
                    e.getKey(),
                    e.getValue(),
                    e.getLifespan(),
                    e.getMaxIdle(),
                    e.getVersion(),
                    flags)
                : commandsFactory.buildPutKeyValueCommand(
                    e.getKey(), e.getValue(), e.getLifespan(), e.getMaxIdle(), flags);

        boolean success = false;
        try {
          interceptorChain.invoke(ctx, put);
          success = true;
        } finally {
          if (ctx.isInTxScope()) {
            if (success) {
              ((LocalTransaction) ((TxInvocationContext) ctx).getCacheTransaction())
                  .setFromStateTransfer(true);
              try {
                transactionManager.commit();
              } catch (Throwable ex) {
                log.errorf(
                    ex,
                    "Could not commit transaction created by state transfer of key %s",
                    e.getKey());
                if (transactionManager.getTransaction() != null) {
                  transactionManager.rollback();
                }
              }
            } else {
              transactionManager.rollback();
            }
          }
        }
      } catch (Exception ex) {
        log.problemApplyingStateForKey(ex.getMessage(), e.getKey(), ex);
      }
    }
    log.debugf("Finished applying state for segment %d of cache %s", segmentId, cacheName);
  }
Exemplo n.º 19
0
  private void invalidateSegments(Set<Integer> newSegments, Set<Integer> segmentsToL1) {
    // The actual owners keep track of the nodes that hold a key in L1 ("requestors") and
    // they invalidate the key on every requestor after a change.
    // But this information is only present on the owners where the ClusteredGetKeyValueCommand
    // got executed - if the requestor only contacted one owner, and that node is no longer an owner
    // (perhaps because it left the cluster), the other owners will not know to invalidate the key
    // on that requestor. Furthermore, the requestors list is not copied to the new owners during
    // state transfers.
    // To compensate for this, we delete all L1 entries in segments that changed ownership during
    // this topology update. We can't actually differentiate between L1 entries and regular entries,
    // so we delete all entries that don't belong to this node in the current OR previous topology.
    Set<Object> keysToL1 = new HashSet<Object>();
    Set<Object> keysToRemove = new HashSet<Object>();

    // gather all keys from data container that belong to the segments that are being removed/moved
    // to L1
    for (InternalCacheEntry ice : dataContainer) {
      Object key = ice.getKey();
      int keySegment = getSegment(key);
      if (segmentsToL1.contains(keySegment)) {
        keysToL1.add(key);
      } else if (!newSegments.contains(keySegment)) {
        keysToRemove.add(key);
      }
    }

    // gather all keys from cache store that belong to the segments that are being removed/moved to
    // L1
    CacheStore cacheStore = getCacheStore();
    if (cacheStore != null) {
      // todo [anistor] extend CacheStore interface to be able to specify a filter when loading keys
      // (ie. keys should belong to desired segments)
      try {
        Set<Object> storedKeys =
            cacheStore.loadAllKeys(new ReadOnlyDataContainerBackedKeySet(dataContainer));
        for (Object key : storedKeys) {
          int keySegment = getSegment(key);
          if (segmentsToL1.contains(keySegment)) {
            keysToL1.add(key);
          } else if (!newSegments.contains(keySegment)) {
            keysToRemove.add(key);
          }
        }

      } catch (CacheLoaderException e) {
        log.failedLoadingKeysFromCacheStore(e);
      }
    }

    if (configuration.clustering().l1().onRehash()) {
      log.debugf("Moving to L1 state for segments %s of cache %s", segmentsToL1, cacheName);
    } else {
      log.debugf("Removing state for segments %s of cache %s", segmentsToL1, cacheName);
    }
    if (!keysToL1.isEmpty()) {
      try {
        InvalidateCommand invalidateCmd =
            commandsFactory.buildInvalidateFromL1Command(
                true, EnumSet.of(CACHE_MODE_LOCAL, SKIP_LOCKING), keysToL1);
        InvocationContext ctx = icc.createNonTxInvocationContext();
        interceptorChain.invoke(ctx, invalidateCmd);

        log.debugf(
            "Invalidated %d keys, data container now has %d keys",
            keysToL1.size(), dataContainer.size());
        if (trace) log.tracef("Invalidated keys: %s", keysToL1);
      } catch (CacheException e) {
        log.failedToInvalidateKeys(e);
      }
    }

    log.debugf(
        "Removing L1 state for segments not in %s or %s for cache %s",
        newSegments, segmentsToL1, cacheName);
    if (!keysToRemove.isEmpty()) {
      try {
        InvalidateCommand invalidateCmd =
            commandsFactory.buildInvalidateFromL1Command(
                false, EnumSet.of(CACHE_MODE_LOCAL, SKIP_LOCKING), keysToRemove);
        InvocationContext ctx = icc.createNonTxInvocationContext();
        interceptorChain.invoke(ctx, invalidateCmd);

        log.debugf(
            "Invalidated %d keys, data container of cache %s now has %d keys",
            keysToRemove.size(), cacheName, dataContainer.size());
        if (trace) log.tracef("Invalidated keys: %s", keysToRemove);
      } catch (CacheException e) {
        log.failedToInvalidateKeys(e);
      }
    }

    // todo [anistor] call CacheNotifier.notifyDataRehashed
  }