/**
* @param cctx Registry.
* @param keys Keys to lock.
* @param tx Transaction.
* @param read Read flag.
* @param retval Flag to return value or not.
* @param timeout Lock acquisition timeout.
* @param filter Filter.
*/
public GridNearLockFuture(
GridCacheContext<K, V> cctx,
Collection<? extends K> keys,
@Nullable GridNearTxLocal<K, V> tx,
boolean read,
boolean retval,
long timeout,
GridPredicate<GridCacheEntry<K, V>>[] filter) {
super(cctx.kernalContext(), CU.boolReducer());
assert cctx != null;
assert keys != null;
this.cctx = cctx;
this.keys = keys;
this.tx = tx;
this.read = read;
this.retval = retval;
this.timeout = timeout;
this.filter = filter;
threadId = tx == null ? Thread.currentThread().getId() : tx.threadId();
lockVer = tx != null ? tx.xidVersion() : cctx.versions().next();
futId = GridUuid.randomUuid();
entries = new ArrayList<>(keys.size());
log = U.logger(ctx, logRef, GridNearLockFuture.class);
if (timeout > 0) {
timeoutObj = new LockTimeoutObject();
cctx.time().addTimeoutObject(timeoutObj);
}
valMap = new ConcurrentHashMap8<>(keys.size(), 1f);
}
/**
* @param ctx Grid kernal context.
* @param cacheName Cache name.
* @param flushQ Flush queue.
*/
public GridDataLoaderImpl(
final GridKernalContext ctx,
@Nullable final String cacheName,
DelayQueue<GridDataLoaderImpl<K, V>> flushQ) {
assert ctx != null;
this.ctx = ctx;
this.cacheName = cacheName;
this.flushQ = flushQ;
log = U.logger(ctx, logRef, GridDataLoaderImpl.class);
discoLsnr =
new GridLocalEventListener() {
@Override
public void onEvent(GridEvent evt) {
assert evt.type() == EVT_NODE_FAILED || evt.type() == EVT_NODE_LEFT;
GridDiscoveryEvent discoEvt = (GridDiscoveryEvent) evt;
UUID id = discoEvt.eventNodeId();
// Remap regular mappings.
final Buffer buf = bufMappings.remove(id);
if (buf != null) {
// Only async notification is possible since
// discovery thread may be trapped otherwise.
ctx.closure()
.callLocalSafe(
new Callable<Object>() {
@Override
public Object call() throws Exception {
buf.onNodeLeft();
return null;
}
},
true /* system pool */);
}
}
};
ctx.event().addLocalEventListener(discoLsnr, EVT_NODE_FAILED, EVT_NODE_LEFT);
// Generate unique topic for this loader.
topic = TOPIC_DATALOAD.topic(GridUuid.fromUuid(ctx.localNodeId()));
ctx.io()
.addMessageListener(
topic,
new GridMessageListener() {
@Override
public void onMessage(UUID nodeId, Object msg) {
assert msg instanceof GridDataLoadResponse;
GridDataLoadResponse res = (GridDataLoadResponse) msg;
if (log.isDebugEnabled()) log.debug("Received data load response: " + res);
Buffer buf = bufMappings.get(nodeId);
if (buf != null) buf.onResponse(res);
else if (log.isDebugEnabled())
log.debug("Ignoring response since node has left [nodeId=" + nodeId + ", ");
}
});
if (log.isDebugEnabled()) log.debug("Added response listener within topic: " + topic);
fut = new GridDataLoaderFuture(ctx, this);
}