package hgtest;

import java.io.File;

import org.hypergraphdb.HGConfiguration;

import org.hypergraphdb.HyperGraph;

import org.hypergraphdb.util.HGUtils;

import org.hypergraphdb.util.Mapping;

import org.junit.AfterClass;

import org.junit.BeforeClass;

public class HGTestBase

{

protected static HyperGraph graph;

protected static HGConfiguration config = new HGConfiguration();

public static void reopenDb()

{

graph.close();

graph.open(graph.getLocation());

}

public static String getGraphLocation()

{

return T.getTmpDirectory() /* "/home/borislav/data" */ + File.separator + "hgtest";

}

public static HyperGraph getGraph()

{

return graph;

}

public static void openGraph()

{

GraphFactory gfac = HGUtils.getImplementationOf("hgtest.GraphFactory", "hgtest.DefaultGraphFactory");

graph = gfac.createGraph(getGraphLocation());

}

@BeforeClass

public static void setUp()

{

try

{

HGUtils.dropHyperGraphInstance(getGraphLocation());

openGraph();

}

catch (Throwable t)

{

t.printStackTrace(System.err);

}

}

@AfterClass

public static void tearDown()

{

graph.close();

HGUtils.dropHyperGraphInstance(getGraphLocation());

}

// backport 1.0, remove later

static void directoryRecurse(File top, Mapping<File, Boolean> mapping)

{

File[] subs = top.listFiles();

if (subs != null)

{

for(File sub : subs)

{

if (sub.isDirectory())

directoryRecurse(sub, mapping);

mapping.eval(sub);

}

mapping.eval(top);

}

}

public static void tx(final Runnable runnable)

{

graph.getTransactionManager().ensureTransaction(() -> { runnable.run(); return null; });

}

}