//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public java.util.Optional<org.neo4j.io.pagecache.PagedFile> getExistingMapping(java.io.File file) throws java.io.IOException
public override Optional <PagedFile> GetExistingMapping(File file)
{
_adversary.injectFailure(typeof(IOException), typeof(SecurityException));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.Optional<org.neo4j.io.pagecache.PagedFile> optional = delegate.getExistingMapping(file);
Optional <PagedFile> optional = @delegate.GetExistingMapping(file);
return(optional.map(pagedFile => new AdversarialPagedFile(pagedFile, _adversary)));
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static long getLatestPageVersion(org.neo4j.kernel.impl.factory.GraphDatabaseFacade databaseFacade) throws java.io.IOException
private static long GetLatestPageVersion(GraphDatabaseFacade databaseFacade)
{
DependencyResolver dependencyResolver = databaseFacade.DependencyResolver;
PageCache pageCache = dependencyResolver.ResolveDependency(typeof(PageCache));
NeoStores neoStores = dependencyResolver.ResolveDependency(typeof(RecordStorageEngine)).testAccessNeoStores();
File storeFile = neoStores.NodeStore.StorageFile;
long maxTransactionId = long.MinValue;
using (PagedFile pageFile = pageCache.GetExistingMapping(storeFile).get())
{
long lastPageId = pageFile.LastPageId;
for (int i = 0; i <= lastPageId; i++)
{
using (CursorPageAccessor pageCursor = new CursorPageAccessor(( MuninnPageCursor )pageFile.Io(i, Org.Neo4j.Io.pagecache.PagedFile_Fields.PF_SHARED_READ_LOCK)))
{
if (pageCursor.Next())
{
maxTransactionId = Math.Max(maxTransactionId, pageCursor.LastTxModifierId());
}
}
}
}
return(maxTransactionId);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public java.util.Optional<PagedFile> getExistingMapping(java.io.File file) throws java.io.IOException
public override Optional <PagedFile> GetExistingMapping(File file)
{
return(@delegate.GetExistingMapping(file));
}