//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void evict(long pageRef, org.neo4j.io.pagecache.tracing.EvictionEvent evictionEvent) throws java.io.IOException
private void Evict(long pageRef, EvictionEvent evictionEvent)
{
long filePageId = GetFilePageId(pageRef);
evictionEvent.FilePageId = filePageId;
evictionEvent.CachePageId = pageRef;
int swapperId = GetSwapperId(pageRef);
if (swapperId != 0)
{
// If the swapper id is non-zero, then the page was not only loaded, but also bound, and possibly modified.
SwapperSet.SwapperMapping swapperMapping = _swappers.getAllocation(swapperId);
if (swapperMapping != null)
{
// The allocation can be null if the file has been unmapped, but there are still pages
// lingering in the cache that were bound to file page in that file.
PageSwapper swapper = swapperMapping.Swapper;
evictionEvent.Swapper = swapper;
if (IsModified(pageRef))
{
FlushModifiedPage(pageRef, evictionEvent, filePageId, swapper);
}
swapper.Evicted(filePageId);
}
}
ClearBinding(pageRef);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void mustReturnAllocationWithSwapper()
internal virtual void MustReturnAllocationWithSwapper()
{
DummyPageSwapper a = new DummyPageSwapper("a", 42);
DummyPageSwapper b = new DummyPageSwapper("b", 43);
int idA = _set.allocate(a);
int idB = _set.allocate(b);
SwapperSet.SwapperMapping allocA = _set.getAllocation(idA);
SwapperSet.SwapperMapping allocB = _set.getAllocation(idB);
assertThat(allocA.Swapper, @is(a));
assertThat(allocB.Swapper, @is(b));
}