public NonBlockingIdentityHashMap<Long, TestKey> getMapMultithreaded()
throws InterruptedException, ExecutionException {
final int threadCount = _items.keySet().size();
final NonBlockingIdentityHashMap<Long, TestKey> map =
new NonBlockingIdentityHashMap<Long, TestKey>();
// use a barrier to open the gate for all threads at once to avoid rolling start and no actual
// concurrency
final CyclicBarrier barrier = new CyclicBarrier(threadCount);
final ExecutorService ex = Executors.newFixedThreadPool(threadCount);
final CompletionService<Integer> co = new ExecutorCompletionService<Integer>(ex);
for (Integer type : _items.keySet()) {
// A linked-list of things to insert
List<TestKey> items = _items.get(type);
TestKeyFeederThread feeder = new TestKeyFeederThread(type, items, map, barrier);
co.submit(feeder);
}
// wait for all threads to return
int itemCount = 0;
for (int retCount = 0; retCount < threadCount; retCount++) {
final Future<Integer> result = co.take();
itemCount += result.get();
}
ex.shutdown();
return map;
}
// Concurrent insertion & then iterator test.
public static void testNonBlockingIdentityHashMapIterator() throws InterruptedException {
final int ITEM_COUNT1 = 1000;
final int THREAD_COUNT = 5;
final int PER_CNT = ITEM_COUNT1 / THREAD_COUNT;
final int ITEM_COUNT = PER_CNT * THREAD_COUNT; // fix roundoff for odd thread counts
NonBlockingIdentityHashMap<Long, TestKey> nbhml =
new NonBlockingIdentityHashMap<Long, TestKey>();
// use a barrier to open the gate for all threads at once to avoid rolling
// start and no actual concurrency
final CyclicBarrier barrier = new CyclicBarrier(THREAD_COUNT);
final ExecutorService ex = Executors.newFixedThreadPool(THREAD_COUNT);
final CompletionService<Object> co = new ExecutorCompletionService<Object>(ex);
for (int i = 0; i < THREAD_COUNT; i++) {
co.submit(new NBHMLFeeder(nbhml, PER_CNT, barrier, i * PER_CNT));
}
for (int retCount = 0; retCount < THREAD_COUNT; retCount++) {
co.take();
}
ex.shutdown();
assertEquals("values().size()", ITEM_COUNT, nbhml.values().size());
assertEquals("entrySet().size()", ITEM_COUNT, nbhml.entrySet().size());
int itemCount = 0;
for (TestKey K : nbhml.values()) itemCount++;
assertEquals("values().iterator() count", ITEM_COUNT, itemCount);
}
private int pollCompletedDownloads() {
int tasks = 0;
for (int i = 0; i < completedRequests.size(); i++) {
parserService.submit(new FeedParserTask(completedRequests.poll()));
tasks++;
}
return tasks;
}
/**
* Waits for completed requests. Once the first request has been taken, the method will wait
* WAIT_TIMEOUT ms longer to collect more completed requests.
*
* @return Collected feeds or null if the method has been interrupted during the first waiting
* period.
*/
private List<Feed> collectCompletedRequests() {
List<Feed> results = new LinkedList<Feed>();
DownloadRequester requester = DownloadRequester.getInstance();
int tasks = 0;
try {
DownloadRequest request = completedRequests.take();
parserService.submit(new FeedParserTask(request));
tasks++;
} catch (InterruptedException e) {
return null;
}
tasks += pollCompletedDownloads();
isCollectingRequests = true;
if (requester.isDownloadingFeeds()) {
// wait for completion of more downloads
long startTime = System.currentTimeMillis();
long currentTime = startTime;
while (requester.isDownloadingFeeds() && (currentTime - startTime) < WAIT_TIMEOUT) {
try {
if (BuildConfig.DEBUG)
Log.d(TAG, "Waiting for " + (startTime + WAIT_TIMEOUT - currentTime) + " ms");
sleep(startTime + WAIT_TIMEOUT - currentTime);
} catch (InterruptedException e) {
if (BuildConfig.DEBUG) Log.d(TAG, "interrupted while waiting for more downloads");
tasks += pollCompletedDownloads();
} finally {
currentTime = System.currentTimeMillis();
}
}
tasks += pollCompletedDownloads();
}
isCollectingRequests = false;
for (int i = 0; i < tasks; i++) {
try {
Feed f = parserService.take().get();
if (f != null) {
results.add(f);
}
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
}
return results;
}
private void onDownloadQueued(Intent intent) {
if (BuildConfig.DEBUG) Log.d(TAG, "Received enqueue request");
DownloadRequest request = intent.getParcelableExtra(EXTRA_REQUEST);
if (request == null) {
throw new IllegalArgumentException("ACTION_ENQUEUE_DOWNLOAD intent needs request extra");
}
Downloader downloader = getDownloader(request);
if (downloader != null) {
numberOfDownloads.incrementAndGet();
downloads.add(downloader);
downloadExecutor.submit(downloader);
sendBroadcast(new Intent(ACTION_DOWNLOADS_CONTENT_CHANGED));
}
queryDownloads();
}
@SuppressWarnings({"unchecked"})
public final void execute(final Callback callback)
throws MojoExecutionException, MojoFailureException {
if (!skip) {
if (header == null) {
warn("No header file specified to check for license");
return;
}
if (!strictCheck) {
warn(
"Property 'strictCheck' is not enabled. Please consider adding <strictCheck>true</strictCheck> in your pom.xml file.");
warn("See http://mycila.github.io/license-maven-plugin for more information.");
}
finder = new ResourceFinder(basedir);
try {
finder.setCompileClassPath(project.getCompileClasspathElements());
} catch (DependencyResolutionRequiredException e) {
throw new MojoExecutionException(e.getMessage(), e);
}
finder.setPluginClassPath(getClass().getClassLoader());
final Header h = new Header(finder.findResource(this.header), encoding, headerSections);
debug("Header %s:\n%s", h.getLocation(), h);
if (this.validHeaders == null) {
this.validHeaders = new String[0];
}
final List<Header> validHeaders = new ArrayList<Header>(this.validHeaders.length);
for (String validHeader : this.validHeaders) {
validHeaders.add(new Header(finder.findResource(validHeader), encoding, headerSections));
}
final List<PropertiesProvider> propertiesProviders = new LinkedList<PropertiesProvider>();
for (PropertiesProvider provider :
ServiceLoader.load(
PropertiesProvider.class, Thread.currentThread().getContextClassLoader())) {
propertiesProviders.add(provider);
}
final DocumentPropertiesLoader propertiesLoader =
new DocumentPropertiesLoader() {
@Override
public Properties load(Document document) {
Properties props = new Properties();
for (Map.Entry<String, String> entry : mergeProperties(document).entrySet()) {
if (entry.getValue() != null) {
props.setProperty(entry.getKey(), entry.getValue());
} else {
props.remove(entry.getKey());
}
}
for (PropertiesProvider provider : propertiesProviders) {
try {
final Map<String, String> providerProperties =
provider.getAdditionalProperties(AbstractLicenseMojo.this, props, document);
if (getLog().isDebugEnabled()) {
getLog()
.debug(
"provider: "
+ provider.getClass()
+ " brought new properties\n"
+ providerProperties);
}
for (Map.Entry<String, String> entry : providerProperties.entrySet()) {
if (entry.getValue() != null) {
props.setProperty(entry.getKey(), entry.getValue());
} else {
props.remove(entry.getKey());
}
}
} catch (Exception e) {
getLog().warn("failure occured while calling " + provider.getClass(), e);
}
}
return props;
}
};
final DocumentFactory documentFactory =
new DocumentFactory(
basedir,
buildMapping(),
buildHeaderDefinitions(),
encoding,
keywords,
propertiesLoader);
int nThreads = (int) (Runtime.getRuntime().availableProcessors() * concurrencyFactor);
ExecutorService executorService = Executors.newFixedThreadPool(nThreads);
CompletionService completionService = new ExecutorCompletionService(executorService);
int count = 0;
debug("Number of execution threads: %s", nThreads);
try {
for (final String file : listSelectedFiles()) {
completionService.submit(
new Runnable() {
@Override
public void run() {
Document document = documentFactory.createDocuments(file);
debug(
"Selected file: %s [header style: %s]",
document.getFilePath(), document.getHeaderDefinition());
if (document.isNotSupported()) {
callback.onUnknownFile(document, h);
} else if (document.is(h)) {
debug("Skipping header file: %s", document.getFilePath());
} else if (document.hasHeader(h, strictCheck)) {
callback.onExistingHeader(document, h);
} else {
boolean headerFound = false;
for (Header validHeader : validHeaders) {
if (headerFound = document.hasHeader(validHeader, strictCheck)) {
callback.onExistingHeader(document, h);
break;
}
}
if (!headerFound) {
callback.onHeaderNotFound(document, h);
}
}
}
},
null);
count++;
}
while (count-- > 0) {
try {
completionService.take().get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
} catch (ExecutionException e) {
Throwable cause = e.getCause();
if (cause instanceof Error) {
throw (Error) cause;
}
if (cause instanceof MojoExecutionException) {
throw (MojoExecutionException) cause;
}
if (cause instanceof MojoFailureException) {
throw (MojoFailureException) cause;
}
if (cause instanceof RuntimeException) {
throw (RuntimeException) cause;
}
throw new RuntimeException(cause.getMessage(), cause);
}
}
} finally {
executorService.shutdownNow();
}
}
}
/** {@inheritDoc} */
@Override
protected DataExecutionResponse run(
DataBuilderContext dataBuilderContext,
DataFlowInstance dataFlowInstance,
DataDelta dataDelta,
DataFlow dataFlow,
DataBuilderFactory builderFactory)
throws DataBuilderFrameworkException, DataValidationException {
CompletionService<DataContainer> completionExecutor =
new ExecutorCompletionService<DataContainer>(executorService);
ExecutionGraph executionGraph = dataFlow.getExecutionGraph();
DataSet dataSet =
dataFlowInstance.getDataSet().accessor().copy(); // Create own copy to work with
DataSetAccessor dataSetAccessor = DataSet.accessor(dataSet);
dataSetAccessor.merge(dataDelta);
Map<String, Data> responseData = Maps.newTreeMap();
Set<String> activeDataSet = Sets.newHashSet();
for (Data data : dataDelta.getDelta()) {
activeDataSet.add(data.getData());
}
List<List<DataBuilderMeta>> dependencyHierarchy = executionGraph.getDependencyHierarchy();
Set<String> newlyGeneratedData = Sets.newHashSet();
Set<DataBuilderMeta> processedBuilders =
Collections.synchronizedSet(Sets.<DataBuilderMeta>newHashSet());
while (true) {
for (List<DataBuilderMeta> levelBuilders : dependencyHierarchy) {
List<Future<DataContainer>> dataFutures = Lists.newArrayList();
for (DataBuilderMeta builderMeta : levelBuilders) {
if (processedBuilders.contains(builderMeta)) {
continue;
}
// If there is an intersection, means some of it's inputs have changed. Reevaluate
if (Sets.intersection(builderMeta.getConsumes(), activeDataSet).isEmpty()) {
continue;
}
DataBuilder builder = builderFactory.create(builderMeta.getName());
if (!dataSetAccessor.checkForData(builder.getDataBuilderMeta().getConsumes())) {
break; // No need to run others, list is topo sorted
}
BuilderRunner builderRunner =
new BuilderRunner(
dataBuilderExecutionListener,
dataFlowInstance,
builderMeta,
dataDelta,
responseData,
builder,
dataBuilderContext,
processedBuilders,
dataSet);
Future<DataContainer> future = completionExecutor.submit(builderRunner);
dataFutures.add(future);
}
// Now wait for something to complete.
int listSize = dataFutures.size();
for (int i = 0; i < listSize; i++) {
try {
DataContainer responseContainer = completionExecutor.take().get();
Data response = responseContainer.getGeneratedData();
if (responseContainer.isHasError()) {
if (null != responseContainer.getValidationException()) {
throw responseContainer.getValidationException();
}
throw responseContainer.getException();
}
if (null != response) {
dataSetAccessor.merge(response);
responseData.put(response.getData(), response);
activeDataSet.add(response.getData());
if (null != dataFlow.getTransients()
&& !dataFlow.getTransients().contains(response.getData())) {
newlyGeneratedData.add(response.getData());
}
}
} catch (InterruptedException e) {
throw new DataBuilderFrameworkException(
DataBuilderFrameworkException.ErrorCode.BUILDER_EXECUTION_ERROR,
"Error while waiting for error ",
e);
} catch (ExecutionException e) {
throw new DataBuilderFrameworkException(
DataBuilderFrameworkException.ErrorCode.BUILDER_EXECUTION_ERROR,
"Error while waiting for error ",
e.getCause());
}
}
}
if (newlyGeneratedData.contains(dataFlow.getTargetData())) {
// logger.debug("Finished running this instance of the flow. Exiting.");
break;
}
if (newlyGeneratedData.isEmpty()) {
// logger.debug("Nothing happened in this loop, exiting..");
break;
}
// StringBuilder stringBuilder = new StringBuilder();
// for(String data : newlyGeneratedData) {
// stringBuilder.append(data + ", ");
// }
// logger.info("Newly generated: " + stringBuilder);
activeDataSet.clear();
activeDataSet.addAll(newlyGeneratedData);
newlyGeneratedData.clear();
if (!dataFlow.isLoopingEnabled()) {
break;
}
}
DataSet finalDataSet = dataSetAccessor.copy(dataFlow.getTransients());
dataFlowInstance.setDataSet(finalDataSet);
return new DataExecutionResponse(responseData);
}
public void loadTables(String tableNames, String procNames)
throws SQLException, IOException, InterruptedException, ExecutionException {
String[] tableNameArray =
tableNames != null && !"".equals(tableNames) ? tableNames.split(",") : null;
String[] procNameArray =
procNames != null && !"".equals(procNames) ? procNames.split(",") : null;
ExecutorService executor = Executors.newFixedThreadPool(tableNameArray.length * 3);
CompletionService completion = new ExecutorCompletionService(executor);
for (int j = 0; j < tableNameArray.length && tableNameArray != null; j++) {
String tableName = tableNameArray[j];
String procName = procNameArray != null ? procNameArray[j] : "";
// if procName not provided, use the default VoltDB TABLENAME.insert procedure
if (procName.length() == 0) {
if (tableName.contains("..")) {
procName = tableName.split("\\.\\.")[1].toUpperCase() + ".insert";
} else {
procName = tableName.toUpperCase() + ".insert";
}
}
// query the table
String jdbcSelect = "SELECT * FROM " + tableName + ";";
// create query to find count
String countquery = jdbcSelect.replace("*", "COUNT(*)");
int pages = 1;
String base = "";
if (config.srisvoltdb) {
if (config.isPaginated) {
try {
// find count
if (countquery.contains("<") || countquery.contains(">")) {
int bracketOpen = countquery.indexOf("<");
int bracketClose = countquery.indexOf(">");
String orderCol = countquery.substring(bracketOpen + 1, bracketClose);
countquery = countquery.replace("<" + orderCol + ">", "");
}
VoltTable vcount = client.callProcedure("@AdHoc", countquery).getResults()[0];
int count = Integer.parseInt(vcount.toString());
// determine number of pages from total data and page size
pages = (int) Math.ceil((double) count / config.pageSize);
System.out.println(pages);
} catch (Exception e) {
System.out.println("Count formation failure!");
}
}
} else {
// find count
Connection conn =
DriverManager.getConnection(config.jdbcurl, config.jdbcuser, config.jdbcpassword);
base = conn.getMetaData().getDatabaseProductName().toLowerCase();
Statement jdbcStmt =
conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
if (countquery.contains("<") || countquery.contains(">")) {
int bracketOpen = countquery.indexOf("<");
int bracketClose = countquery.indexOf(">");
String orderCol = countquery.substring(bracketOpen + 1, bracketClose);
countquery = countquery.replace("<" + orderCol + ">", "");
}
ResultSet rcount =
jdbcStmt.executeQuery(
countquery); // determine number of pages from total data and page size
if (base.contains("postgres") && config.isPaginated) {
int count = Integer.parseInt(rcount.toString());
pages = (int) Math.ceil((double) count / config.pageSize);
}
}
// establish new SourceReaders and DestinationWriters for pages
SourceReader[] sr = new SourceReader[pages];
DestinationWriter[] cr = new DestinationWriter[pages];
for (int i = 0; i < pages; i++) {
sr[i] = new SourceReader();
cr[i] = new DestinationWriter();
}
Controller processor =
new Controller<ArrayList<Object[]>>(
client, sr, cr, jdbcSelect, procName, config, pages, base);
completion.submit(processor);
}
// wait for all tasks to complete.
for (int i = 0; i < tableNameArray.length; ++i) {
logger.info(
"****************"
+ completion.take().get()
+ " completed *****************"); // will block until the next sub task has
// completed.
}
executor.shutdown();
}
public void load(String queryFile, String modules, String tables)
throws SQLException, IOException, InterruptedException, ExecutionException {
Properties properties = new Properties();
properties.load(new FileInputStream(queryFile));
Collection<String> keys = properties.stringPropertyNames();
// Filtering by validating if property starts with any of the module names
if (!Config.ALL.equalsIgnoreCase(modules)) {
keys =
Util.filter(
keys, "^(" + modules.replaceAll(Config.COMMA_SEPARATOR, Config.MODULE_SUFFIX) + ")");
}
// Filtering by table names
if (!Config.ALL.equalsIgnoreCase(tables)) {
keys =
Util.filter(
keys, "(" + tables.replaceAll(Config.COMMA_SEPARATOR, Config.TABLE_SUFFIX) + ")$");
}
logger.info("The final modules and tables that are being considered" + keys.toString());
ExecutorService executor = Executors.newFixedThreadPool(keys.size() * 3);
CompletionService completion = new ExecutorCompletionService(executor);
for (String key : keys) {
String query = properties.getProperty(key);
key =
(key.contains(Config.DOT_SEPARATOR)
? key.substring(key.indexOf(Config.DOT_SEPARATOR) + 1)
: key);
while (query.contains("[:")) {
String param = query.substring(query.indexOf("[:") + 2, query.indexOf("]"));
query = query.replaceFirst("\\[\\:" + param + "\\]", properties.getProperty(param));
}
int pages = 1;
String base = "";
if (config.srisvoltdb) {
if (config.isPaginated) {
try {
// find count
String countquery = query;
if (countquery.contains("<") || countquery.contains(">")) {
int bracketOpen = countquery.indexOf("<");
int bracketClose = countquery.indexOf(">");
String orderCol = countquery.substring(bracketOpen + 1, bracketClose);
countquery = countquery.replace("<" + orderCol + ">", "");
}
VoltTable vcount = client.callProcedure("@AdHoc", countquery).getResults()[0];
int count = vcount.getRowCount();
pages = (int) Math.ceil((double) count / config.pageSize);
} catch (Exception e) {
System.out.println("Count formation failure!");
}
}
// set up data in order
} else {
// find count
String countquery = query.replace("*", "COUNT(*)");
Connection conn =
DriverManager.getConnection(config.jdbcurl, config.jdbcuser, config.jdbcpassword);
base = conn.getMetaData().getDatabaseProductName().toLowerCase();
System.out.println("BASE: " + base);
Statement jdbcStmt =
conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
if (countquery.contains("<") || countquery.contains(">")) {
int bracketOpen = countquery.indexOf("<");
int bracketClose = countquery.indexOf(">");
String orderCol = countquery.substring(bracketOpen + 1, bracketClose);
countquery = countquery.replace("<" + orderCol + ">", "");
}
ResultSet rcount = jdbcStmt.executeQuery(countquery);
rcount.next();
int count = Integer.parseInt(rcount.getArray(1).toString());
// THIS IF NEEDS A WAY TO DETERMINE IF POSTGRES
if (base.contains("postgres") && config.isPaginated) {
pages = (int) Math.ceil((double) count / config.pageSize);
}
// set up data in order
}
// establish new SourceReaders and DestinationWriters for pages
SourceReader[] sr = new SourceReader[pages];
DestinationWriter[] cr = new DestinationWriter[pages];
for (int i = 0; i < pages; i++) {
sr[i] = new SourceReader();
cr[i] = new DestinationWriter();
}
Controller processor =
new Controller<ArrayList<Object[]>>(
client, sr, cr, query, key.toUpperCase() + ".insert", config, pages, base);
completion.submit(processor);
}
// wait for all tasks to complete.
for (int i = 0; i < keys.size(); ++i) {
logger.info(
"****************"
+ completion.take().get()
+ " completed *****************"); // will block until the next sub task has
// completed.
}
executor.shutdown();
}