//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private T getOrCreatePart(Offset key, org.neo4j.function.ThrowingSupplier<T,java.io.IOException> factory) throws java.io.UncheckedIOException
private T GetOrCreatePart(Offset key, ThrowingSupplier <T, IOException> factory)
{
T existing = Cache[key];
if (existing != default(T))
{
return(existing);
}
// Instantiate from factory. Do this under lock so that we coordinate with any concurrent call to close.
// Concurrent calls to instantiating parts won't contend with each other since there's only
// a single writer at a time anyway.
InstantiateCloseLock.@lock();
try
{
AssertOpen();
return(Cache.computeIfAbsent(key, k =>
{
try
{
return factory.Get();
}
catch (IOException e)
{
throw new UncheckedIOException(e);
}
}));
}
finally
{
InstantiateCloseLock.unlock();
}
}
/// <summary>
/// Select the part corresponding to the given CoordinateReferenceSystem. Creates the part if needed,
/// and rethrows any create time exception as a RuntimeException.
/// </summary>
/// <param name="crs"> target coordinate reference system </param>
/// <returns> selected part </returns>
internal virtual T UncheckedSelect(CoordinateReferenceSystem crs)
{
T existing = Cache[crs];
if (existing != default(T))
{
return(existing);
}
// Instantiate from factory. Do this under lock so that we coordinate with any concurrent call to close.
// Concurrent calls to instantiating parts won't contend with each other since there's only
// a single writer at a time anyway.
InstantiateCloseLock.@lock();
try
{
AssertOpen();
return(Cache.computeIfAbsent(crs, key =>
{
try
{
return _factory.newSpatial(crs);
}
catch (IOException e)
{
throw new UncheckedIOException(e);
}
}));
}
finally
{
InstantiateCloseLock.unlock();
}
}
