public SpatialIndexProvider(PageCache pageCache, FileSystemAbstraction fs, IndexDirectoryStructure.Factory directoryStructure, Monitor monitor, RecoveryCleanupWorkCollector recoveryCleanupWorkCollector, bool readOnly, Config config) : base(_spatialProviderDescriptor, directoryStructure)
{
this._pageCache = pageCache;
this._fs = fs;
this._monitor = monitor;
this._recoveryCleanupWorkCollector = recoveryCleanupWorkCollector;
this._readOnly = readOnly;
this._configuration = SpaceFillingCurveSettingsFactory.getConfiguredSpaceFillingCurveConfiguration(config);
this._configuredSettings = GetConfiguredSpaceFillingCurveSettings(config);
}
private GenericBlockBasedIndexPopulator InstantiatePopulator(StoreIndexDescriptor indexDescriptor)
{
Config config = Config.defaults();
ConfiguredSpaceFillingCurveSettingsCache settingsCache = new ConfiguredSpaceFillingCurveSettingsCache(config);
IndexSpecificSpaceFillingCurveSettingsCache spatialSettings = new IndexSpecificSpaceFillingCurveSettingsCache(settingsCache, new Dictionary <Org.Neo4j.Values.Storable.CoordinateReferenceSystem, SpaceFillingCurveSettings>());
GenericLayout layout = new GenericLayout(1, spatialSettings);
SpaceFillingCurveConfiguration configuration = SpaceFillingCurveSettingsFactory.getConfiguredSpaceFillingCurveConfiguration(config);
GenericBlockBasedIndexPopulator populator = new GenericBlockBasedIndexPopulator(Storage.pageCache(), _fs, _indexFile, layout, EMPTY, indexDescriptor, spatialSettings, _directoryStructure, configuration, _dropAction, false, heapBufferFactory(1024));
populator.Create();
return(populator);
}
private void VerifySpatialSettings(File indexFile, SpaceFillingCurveSettings expectedSettings)
{
try
{
SpaceFillingCurveSettings settings = SpaceFillingCurveSettingsFactory.fromGBPTree(indexFile, _pageCache, NativeIndexHeaderReader.readFailureMessage);
assertThat("Should get correct results from header", settings, equalTo(expectedSettings));
}
catch (IOException e)
{
fail("Failed to read GBPTree header: " + e.Message);
}
}
private static LayoutBootstrapper SpatialLayoutFactory(CoordinateReferenceSystem crs)
{
return((indexFile, pageCache, meta, targetLayout) =>
{
if (targetLayout.Equals(crs.Name))
{
MutableBoolean failure = new MutableBoolean(false);
Function <ByteBuffer, string> onError = byteBuffer =>
{
failure.setTrue();
return "";
};
SpaceFillingCurveSettings curveSettings = SpaceFillingCurveSettingsFactory.fromGBPTree(indexFile, pageCache, onError);
if (!failure.Value)
{
return new SpatialLayout(crs, curveSettings.curve());
}
}
return null;
});
}
/// <summary>
/// If we are loading a layout for an existing index, read the settings from the index header, and ignore config settings
/// </summary>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: SpatialFileLayout getLayoutForExistingIndex(org.neo4j.io.pagecache.PageCache pageCache) throws java.io.IOException
internal virtual SpatialFileLayout GetLayoutForExistingIndex(PageCache pageCache)
{
SpaceFillingCurveSettings settings = SpaceFillingCurveSettingsFactory.fromGBPTree(IndexFile, pageCache, NativeIndexHeaderReader.readFailureMessage);
return(new SpatialFileLayout(this, settings));
}
