//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static java.util.List<int> extract(EntryVisitor<WritableBuffer> producer) throws java.io.IOException
private static IList <int> Extract(EntryVisitor <WritableBuffer> producer)
{
IList <int> result = new List <int>();
BigEndianByteArrayBuffer key = new BigEndianByteArrayBuffer(4);
BigEndianByteArrayBuffer value = new BigEndianByteArrayBuffer(4);
while (producer.Visit(key, value))
{
result.Add(key.GetInt(0));
result.Add(value.GetInt(0));
}
return(result);
}
//JAVA TO C# CONVERTER TODO TASK: There is no .NET equivalent to the Java 'super' constraint:
//ORIGINAL LINE: static <Buffer extends BigEndianByteArrayBuffer> void scanAll(org.neo4j.io.pagecache.PagedFile file, int startOffset, EntryVisitor<? super Buffer> visitor, Buffer key, Buffer value) throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal static void ScanAll <Buffer, T1>(PagedFile file, int startOffset, EntryVisitor <T1> visitor, Buffer key, Buffer value) where Buffer : BigEndianByteArrayBuffer
{
bool visitHeaders = !(visitor is KeyValueVisitor);
using (PageCursor cursor = file.Io(startOffset / file.PageSize(), PF_SHARED_READ_LOCK))
{
if (!cursor.Next())
{
return;
}
ReadKeyValuePair(cursor, startOffset, key, value);
VisitKeyValuePairs(file.PageSize(), cursor, startOffset, visitor, visitHeaders, key, value);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private boolean transfer(EntryVisitor<WritableBuffer> producer, EntryVisitor<ReadableBuffer> consumer) throws java.io.IOException
private bool Transfer(EntryVisitor <WritableBuffer> producer, EntryVisitor <ReadableBuffer> consumer)
{
BigEndianByteArrayBuffer key = new BigEndianByteArrayBuffer(KeySize);
BigEndianByteArrayBuffer value = new BigEndianByteArrayBuffer(ValueSize);
while (producer.Visit(key, value))
{
if (!consumer.Visit(key, value))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Expects the first key/value-pair to be read into the buffers already, reads subsequent pairs (if requested). </summary>
//JAVA TO C# CONVERTER TODO TASK: There is no .NET equivalent to the Java 'super' constraint:
//ORIGINAL LINE: private static <Buffer extends BigEndianByteArrayBuffer> void visitKeyValuePairs(int pageSize, org.neo4j.io.pagecache.PageCursor cursor, int offset, EntryVisitor<? super Buffer> visitor, boolean visitHeaders, Buffer key, Buffer value) throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
private static void VisitKeyValuePairs <Buffer, T1>(int pageSize, PageCursor cursor, int offset, EntryVisitor <T1> visitor, bool visitHeaders, Buffer key, Buffer value) where Buffer : BigEndianByteArrayBuffer
{
while (Visitable(key, visitHeaders) && visitor.Visit(key, value))
{
offset += key.Size() + value.Size();
if (offset >= pageSize)
{
offset = 0;
if (!cursor.Next())
{
return;
}
}
// reads the next key/value pair
ReadKeyValuePair(cursor, offset, key, value);
}
}
