/**
* This constructor is meant for pessimistic transactions.
*
* @param nodeId Node ID.
* @param nearNodeId Near node ID.
* @param nearXidVer Near transaction ID.
* @param xidVer XID version.
* @param commitVer Commit version.
* @param sys System flag.
* @param concurrency Concurrency level (should be pessimistic).
* @param isolation Transaction isolation.
* @param invalidate Invalidate flag.
* @param timeout Timeout.
* @param ctx Cache registry.
* @param txSize Expected transaction size.
*/
public GridNearTxRemote(
GridCacheSharedContext ctx,
UUID nodeId,
UUID nearNodeId,
GridCacheVersion nearXidVer,
GridCacheVersion xidVer,
GridCacheVersion commitVer,
boolean sys,
byte plc,
TransactionConcurrency concurrency,
TransactionIsolation isolation,
boolean invalidate,
long timeout,
int txSize,
@Nullable UUID subjId,
int taskNameHash) {
super(
ctx,
nodeId,
xidVer,
commitVer,
sys,
plc,
concurrency,
isolation,
invalidate,
timeout,
txSize,
subjId,
taskNameHash);
assert nearNodeId != null;
this.nearXidVer = nearXidVer;
this.nearNodeId = nearNodeId;
txState =
new IgniteTxRemoteStateImpl(
U.<IgniteTxKey, IgniteTxEntry>newLinkedHashMap(1),
U.<IgniteTxKey, IgniteTxEntry>newLinkedHashMap(txSize));
}
/**
* This constructor is meant for optimistic transactions.
*
* @param ldr Class loader.
* @param nodeId Node ID.
* @param nearNodeId Near node ID.
* @param xidVer XID version.
* @param commitVer Commit version.
* @param sys System flag.
* @param concurrency Concurrency level (should be pessimistic).
* @param isolation Transaction isolation.
* @param invalidate Invalidate flag.
* @param timeout Timeout.
* @param writeEntries Write entries.
* @param ctx Cache registry.
* @param txSize Expected transaction size.
* @throws IgniteCheckedException If unmarshalling failed.
*/
public GridNearTxRemote(
GridCacheSharedContext ctx,
ClassLoader ldr,
UUID nodeId,
UUID nearNodeId,
GridCacheVersion xidVer,
GridCacheVersion commitVer,
boolean sys,
byte plc,
TransactionConcurrency concurrency,
TransactionIsolation isolation,
boolean invalidate,
long timeout,
Collection<IgniteTxEntry> writeEntries,
int txSize,
@Nullable UUID subjId,
int taskNameHash)
throws IgniteCheckedException {
super(
ctx,
nodeId,
xidVer,
commitVer,
sys,
plc,
concurrency,
isolation,
invalidate,
timeout,
txSize,
subjId,
taskNameHash);
assert nearNodeId != null;
this.nearNodeId = nearNodeId;
int writeSize = writeEntries != null ? Math.max(txSize, writeEntries.size()) : txSize;
txState =
new IgniteTxRemoteStateImpl(
Collections.<IgniteTxKey, IgniteTxEntry>emptyMap(),
U.<IgniteTxKey, IgniteTxEntry>newLinkedHashMap(writeSize));
if (writeEntries != null) {
for (IgniteTxEntry entry : writeEntries) {
entry.unmarshal(ctx, true, ldr);
addEntry(entry);
}
}
}
/** {@inheritDoc} */
@SuppressWarnings("unchecked")
@Override
public <M extends Map<?, ?>> M readMap(
MessageCollectionItemType keyType,
MessageCollectionItemType valType,
boolean linked,
MessageReader reader) {
if (readSize == -1) {
int size = readInt();
if (!lastFinished) return null;
readSize = size;
}
if (readSize >= 0) {
if (map == null) map = linked ? U.newLinkedHashMap(readSize) : U.newHashMap(readSize);
for (int i = readItems; i < readSize; i++) {
if (!keyDone) {
Object key = read(keyType, reader);
if (!lastFinished) return null;
mapCur = key;
keyDone = true;
}
Object val = read(valType, reader);
if (!lastFinished) return null;
map.put(mapCur, val);
keyDone = false;
readItems++;
}
}
readSize = -1;
readItems = 0;
mapCur = null;
M map0 = (M) map;
map = null;
return map0;
}
