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Apache VXQuery Command-Line Utility
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.vxquery.cli;
import java.io.File;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.io.FileUtils;
import org.apache.vxquery.compiler.CompilerControlBlock;
import org.apache.vxquery.compiler.algebricks.VXQueryGlobalDataFactory;
import org.apache.vxquery.context.DynamicContext;
import org.apache.vxquery.context.DynamicContextImpl;
import org.apache.vxquery.context.RootStaticContextImpl;
import org.apache.vxquery.context.StaticContextImpl;
import org.apache.vxquery.xmlquery.ast.ModuleNode;
import org.apache.vxquery.xmlquery.query.Module;
import org.apache.vxquery.xmlquery.query.XMLQueryCompiler;
import org.apache.vxquery.xmlquery.query.XQueryCompilationListener;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.CmdLineParser;
import org.kohsuke.args4j.Option;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.xml.DomDriver;
import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.LogicalOperatorPrettyPrintVisitor;
import edu.uci.ics.hyracks.algebricks.core.algebra.prettyprint.PlanPrettyPrinter;
import edu.uci.ics.hyracks.api.client.HyracksConnection;
import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
import edu.uci.ics.hyracks.api.job.JobFlag;
import edu.uci.ics.hyracks.api.job.JobId;
import edu.uci.ics.hyracks.api.job.JobSpecification;
import edu.uci.ics.hyracks.control.cc.ClusterControllerService;
import edu.uci.ics.hyracks.control.common.controllers.CCConfig;
import edu.uci.ics.hyracks.control.common.controllers.NCConfig;
import edu.uci.ics.hyracks.control.nc.NodeControllerService;
import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
public class VXQuery {
private final CmdLineOptions opts;
private ClusterControllerService cc;
private NodeControllerService nc1;
private NodeControllerService nc2;
private IHyracksClientConnection hcc;
public VXQuery(CmdLineOptions opts) {
this.opts = opts;
}
public static void main(String[] args) throws Exception {
final CmdLineOptions opts = new CmdLineOptions();
CmdLineParser parser = new CmdLineParser(opts);
try {
parser.parseArgument(args);
} catch (Exception e) {
parser.printUsage(System.err);
return;
}
if (opts.arguments.isEmpty()) {
parser.printUsage(System.err);
return;
}
VXQuery vxq = new VXQuery(opts);
vxq.execute();
}
private void execute() throws Exception {
if (!opts.compileOnly) {
startLocalHyracks();
}
try {
for (String query : opts.arguments) {
String qStr = slurp(query);
if (opts.showQuery) {
System.err.println(qStr);
}
XQueryCompilationListener listener = new XQueryCompilationListener() {
@Override
public void notifyCodegenResult(Module module) {
if (opts.showRP) {
JobSpecification jobSpec = module.getHyracksJobSpecification();
System.err.println(jobSpec.toString());
}
}
@Override
public void notifyTranslationResult(Module module) {
if (opts.showTET) {
try {
LogicalOperatorPrettyPrintVisitor v = new LogicalOperatorPrettyPrintVisitor();
StringBuilder buffer = new StringBuilder();
PlanPrettyPrinter.printPlan(module.getBody(), buffer, v, 0);
System.err.println(buffer.toString());
} catch (AlgebricksException e) {
e.printStackTrace();
}
}
}
@Override
public void notifyTypecheckResult(Module module) {
}
@Override
public void notifyOptimizedResult(Module module) {
if (opts.showOET) {
try {
LogicalOperatorPrettyPrintVisitor v = new LogicalOperatorPrettyPrintVisitor();
StringBuilder buffer = new StringBuilder();
PlanPrettyPrinter.printPlan(module.getBody(), buffer, v, 0);
System.err.println(buffer.toString());
} catch (AlgebricksException e) {
e.printStackTrace();
}
}
}
@Override
public void notifyParseResult(ModuleNode moduleNode) {
if (opts.showAST) {
System.err.println(new XStream(new DomDriver()).toXML(moduleNode));
}
}
};
File result = createTempFile("test");
XMLQueryCompiler compiler = new XMLQueryCompiler(listener);
CompilerControlBlock ccb = new CompilerControlBlock(new StaticContextImpl(
RootStaticContextImpl.INSTANCE), new FileSplit[] { new FileSplit("nc1",
result.getAbsolutePath()) });
compiler.compile(query, new StringReader(qStr), ccb, opts.optimizationLevel);
if (opts.compileOnly) {
continue;
}
Module module = compiler.getModule();
JobSpecification js = module.getHyracksJobSpecification();
DynamicContext dCtx = new DynamicContextImpl(module.getModuleContext());
js.setGlobalJobDataFactory(new VXQueryGlobalDataFactory(dCtx.createFactory()));
for (int i = 0; i < opts.repeatExec; ++i) {
runInProcess(js, result);
}
}
} finally {
if (!opts.compileOnly) {
stopLocalHyracks();
}
}
}
private void runInProcess(JobSpecification spec, File result) throws Exception {
JobId jobId = hcc.startJob("test", spec, EnumSet.of(JobFlag.PROFILE_RUNTIME));
hcc.waitForCompletion(jobId);
dumpOutputFiles(result);
}
private void dumpOutputFiles(File f) throws IOException {
if (f.exists() && f.isFile()) {
System.err.println("Reading file: " + f.getAbsolutePath());
String data = FileUtils.readFileToString(f);
System.err.println(data);
}
}
protected File createTempFile(String name) throws IOException {
System.err.println("Name: " + name);
File tempFile = File.createTempFile(name, ".tmp");
System.err.println("Output file: " + tempFile.getAbsolutePath());
tempFile.deleteOnExit();
return tempFile;
}
public void startLocalHyracks() throws Exception {
CCConfig ccConfig = new CCConfig();
ccConfig.clientNetIpAddress = "127.0.0.1";
ccConfig.clientNetPort = 39000;
ccConfig.clusterNetIpAddress = "127.0.0.1";
ccConfig.clusterNetPort = 39001;
ccConfig.profileDumpPeriod = 10000;
File outDir = new File("target/ClusterController");
outDir.mkdirs();
File ccRoot = File.createTempFile(VXQuery.class.getName(), ".data", outDir);
ccRoot.delete();
ccRoot.mkdir();
ccConfig.ccRoot = ccRoot.getAbsolutePath();
cc = new ClusterControllerService(ccConfig);
cc.start();
NCConfig ncConfig1 = new NCConfig();
ncConfig1.ccHost = "localhost";
ncConfig1.ccPort = 39001;
ncConfig1.clusterNetIPAddress = "127.0.0.1";
ncConfig1.dataIPAddress = "127.0.0.1";
ncConfig1.nodeId = "nc1";
nc1 = new NodeControllerService(ncConfig1);
nc1.start();
NCConfig ncConfig2 = new NCConfig();
ncConfig2.ccHost = "localhost";
ncConfig2.ccPort = 39001;
ncConfig2.clusterNetIPAddress = "127.0.0.1";
ncConfig2.dataIPAddress = "127.0.0.1";
ncConfig2.nodeId = "nc2";
nc2 = new NodeControllerService(ncConfig2);
nc2.start();
hcc = new HyracksConnection(ccConfig.clientNetIpAddress, ccConfig.clientNetPort);
hcc.createApplication("test", null);
}
public void stopLocalHyracks() throws Exception {
nc2.stop();
nc1.stop();
cc.stop();
}
private static String slurp(String query) throws IOException {
return FileUtils.readFileToString(new File(query), "UTF-8");
}
private static class CmdLineOptions {
@Option(name = "-O", usage = "Optimization Level. Default: Full Optimization")
private int optimizationLevel = Integer.MAX_VALUE;
@Option(name = "-showquery", usage = "Show query string")
private boolean showQuery;
@Option(name = "-showast", usage = "Show abstract syntax tree")
private boolean showAST;
@Option(name = "-showtet", usage = "Show translated expression tree")
private boolean showTET;
@Option(name = "-showoet", usage = "Show optimized expression tree")
private boolean showOET;
@Option(name = "-showrp", usage = "Show Runtime plan")
private boolean showRP;
@Option(name = "-compileonly", usage = "Compile the query and stop")
private boolean compileOnly;
@Option(name = "-repeatexec", usage = "Number of times to repeat execution")
private int repeatExec = 1;
@Option(name = "-timing", usage = "Produce timing information")
private boolean timing;
@Option(name = "-x", usage = "Bind an external variable")
private Map bindings = new HashMap();
@Argument
private List arguments = new ArrayList();
}
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