| protected abstract Lookup ( key, Org.Neo4j.Kernel.impl.store.kvstore.ValueSink sink ) : bool | ||
| sink | Org.Neo4j.Kernel.impl.store.kvstore.ValueSink | |
| 리턴 | bool | |
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static <Key> boolean performLookup(ReadableState<Key> store, org.neo4j.io.pagecache.tracing.cursor.context.VersionContext versionContext, java.util.concurrent.ConcurrentMap<Key,ChangeEntry> changes, Key key, ValueSink sink) throws java.io.IOException
private static bool PerformLookup <Key>(ReadableState <Key> store, VersionContext versionContext, ConcurrentMap <Key, ChangeEntry> changes, Key key, ValueSink sink)
{
ChangeEntry change = changes.get(key);
if (change != null)
{
if (change.Version > versionContext.LastClosedTransactionId())
{
versionContext.MarkAsDirty();
}
sink.Value(new BigEndianByteArrayBuffer(change.Data));
return(true);
}
return(store.Lookup(key, sink));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("SynchronizationOnLocalVariableOrMethodParameter") static <Key> void applyUpdate(ReadableState<Key> store, java.util.concurrent.ConcurrentMap<Key, ChangeEntry> changes, Key key, ValueUpdate update, boolean reset, long version) throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal static void ApplyUpdate <Key>(ReadableState <Key> store, ConcurrentMap <Key, ChangeEntry> changes, Key key, ValueUpdate update, bool reset, long version)
{
ChangeEntry value = changes.get(key);
if (value == null)
{
ChangeEntry newEntry = ChangeEntry.Of(new sbyte[store.KeyFormat().valueSize()], version);
lock ( newEntry )
{
value = changes.putIfAbsent(key, newEntry);
if (value == null)
{
BigEndianByteArrayBuffer buffer = new BigEndianByteArrayBuffer(newEntry.Data);
if (!reset)
{
PreviousValue lookup = new PreviousValue(newEntry.Data);
if (!store.Lookup(key, lookup))
{
buffer.Clear();
}
}
update.Update(buffer);
return;
}
}
}
lock ( value )
{
BigEndianByteArrayBuffer target = new BigEndianByteArrayBuffer(value.Data);
value.Version = version;
if (reset)
{
target.Clear();
}
update.Update(target);
}
}
