package com.bigdata.rdf.graph.impl.ram;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.log4j.Logger;
import com.bigdata.rdf.graph.IGASEngine;
import com.bigdata.rdf.graph.IGraphAccessor;
import com.bigdata.rdf.graph.impl.ram.RAMGASEngine.RAMGraph;
import com.bigdata.rdf.graph.impl.ram.RAMGASEngine.RAMGraphAccessor;
import com.bigdata.rdf.graph.impl.util.GASRunnerBase;
/**
* Class for running GAS performance tests against the SAIL.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
*/
public class RAMGASRunner<VS, ES, ST> extends GASRunnerBase<VS, ES, ST> {
private static final Logger log = Logger.getLogger(RAMGASRunner.class);
public RAMGASRunner(String[] args) throws ClassNotFoundException {
super(args);
}
protected class RAMOptionData extends GASRunnerBase<VS, ES, ST>.OptionData {
final private RAMGraph g = new RAMGraph();
public RAMGraph getGraph() {
synchronized(g) {
/*
* Note: Synchronization pattern is intended to provide
* visibility for graph traversal following a load of data into
* the graph.
*/
return g;
}
}
@Override
public void init() throws Exception {
super.init();
}
@Override
public void shutdown() {
}
@Override
public boolean handleArg(final AtomicInteger i, final String[] args) {
if (super.handleArg(i, args)) {
return true;
}
// final String arg = args[i.get()];
// if (arg.equals("-bufferMode")) {
// final String s = args[i.incrementAndGet()];
// bufferModeOverride = BufferMode.valueOf(s);
// } else if (arg.equals("-namespace")) {
// final String s = args[i.incrementAndGet()];
// namespaceOverride = s;
// } else {
// return false;
// }
return false;
}
@Override
public void report(final StringBuilder sb) {
// NOP
}
} // class SAILOptionData
@Override
protected RAMOptionData newOptionData() {
return new RAMOptionData();
}
@Override
protected IGASEngine newGASEngine() {
return new RAMGASEngine(getOptionData().nthreads);
}
@Override
protected void loadFiles() throws Exception {
final RAMOptionData opt = getOptionData();
final String[] resources = opt.loadSet.toArray(new String[0]);
new RAMGraphLoader(opt.getGraph()).loadGraph(null/* fallback */,
resources);
}
@SuppressWarnings("unchecked")
@Override
protected RAMOptionData getOptionData() {
return (RAMOptionData) super.getOptionData();
}
@Override
protected IGraphAccessor newGraphAccessor() {
return new RAMGraphAccessor(getOptionData().g);
}
/**
* Performance testing harness.
*
* @see #GASRunner(String[])
*/
@SuppressWarnings("rawtypes")
public static void main(final String[] args) throws Exception {
new RAMGASRunner(args).call();
}
}