List of usage examples for java.lang Math random
public static double random()
From source file:com.roncoo.pay.thirdpartypay.xinzhongli.api.XzlPayAPI.java
public static void main(String[] args) throws Exception { Date date = new Date(); String tradeamt = "10"; String merchantid = "105799954663750238208"; //??/*from w ww .j a v a 2 s . com*/ String orderid = "LS" + date.getTime() + (int) (Math.random() * 10000000); String backurl = "www"; String callbackurl = "www"; String pay_type = "123"; String manualsettle = "1"; String orderInfo = "?"; String settlement_type = "130"; String platform_code = "880002"; String key = "f4fcb30e002211584a199ce6ab200afc3c28920dcddeaa59c0558d4439d30b0758661db6247d0ae0d888e9991c4cbd9564473cf787f05f27ecbb7b3f77d9c797+z.1230e5732e6"; PayInfo payInfo = new PayInfo(); // payInfo.setTradeamt(tradeamt); // payInfo.setMerchantid(merchantid); // payInfo.setOrderid(orderid); // payInfo.setBackurl(callbackurl); // payInfo.setCallbackurl(callbackurl); // payInfo.setPay_type(pay_type); // payInfo.setManualsettle(manualsettle); // payInfo.setOrderInfo(orderInfo); // payInfo.setSettlement_type(settlement_type); // payInfo.setPlatform_code(platform_code); payInfo.setKey(key); // pay(payInfo); // testpay(); }
From source file:com.wonders.bud.freshmommy.web.openapi.controller.AsqController.java
public static void main(String[] args) { AsqParamsVO asqParams = new AsqParamsVO(); asqParams.setMonth(2);//from ww w.j av a 2 s . co m asqParams.setToken("x3q8UfddcQJeE/XMPmtAEQ=="); asqParams.setbId(1); asqParams.setType(new Integer[] { 1, 2 }); List<AsqAnswersVO> listAsq = new ArrayList<AsqAnswersVO>(); for (int j = 0; j < 5; j++) { for (int i = 0; i < 6; i++) { AsqAnswersVO vo = new AsqAnswersVO(); vo.setType(j + 1); vo.setNumber(i + 1); vo.setItemNum((int) (Math.random() * 10) % 3); listAsq.add(vo); } } try { System.out.println(JsonUtils.getJsonData(asqParams)); System.out.println(EncryptUtil.encode(JsonUtils.getJsonData(asqParams))); System.out.println( EncryptUtil.encode("{\"type\":[1,2],\"month\":2,\"token\":\"x3q8UfddcQJeE/XMPmtAEQ==\"}")); System.out.println(JsonUtils.getJsonData(listAsq)); System.out.println(EncryptUtil.encode(JsonUtils.getJsonData(listAsq))); System.out.println("{\"type\":[1,2],\"month\":2,\"token\":\"x3q8UfddcQJeE/XMPmtAEQ==\"}"); } catch (Exception e) { } }
From source file:SerialIntList.java
/** A main() method to prove that it works */ public static void main(String[] args) throws Exception { SerialIntList list = new SerialIntList(); for (int i = 0; i < 100; i++) list.add((int) (Math.random() * 40000)); SerialIntList copy = (SerialIntList) Serializer.deepclone(list); if (list.equals(copy)) System.out.println("equal copies"); Serializer.store(list, new File("intlist.ser")); }
From source file:com.revo.deployr.client.example.data.io.auth.discrete.exec.RepoFileInRepoFileOut.java
public static void main(String args[]) throws Exception { RClient rClient = null;//w w w . ja va2 s . c o m try { /* * Determine DeployR server endpoint. */ String endpoint = System.getProperty("endpoint"); log.info("[ CONFIGURATION ] Using endpoint=" + endpoint); /* * Establish RClient connection to DeployR server. * * An RClient connection is the mandatory starting * point for any application using the client library. */ rClient = RClientFactory.createClient(endpoint); log.info("[ CONNECTION ] Established anonymous " + "connection [ RClient ]."); /* * Build a basic authentication token. */ RAuthentication rAuth = new RBasicAuthentication(System.getProperty("username"), System.getProperty("password")); /* * Establish an authenticated handle with the DeployR * server, rUser. Following this call the rClient * connection is operating as an authenticated connection * and all calls on rClient inherit the access permissions * of the authenticated user, rUser. */ RUser rUser = rClient.login(rAuth); log.info("[ AUTHENTICATION ] Upgraded to authenticated " + "connection [ RUser ]."); /* * Create the AnonymousProjectExecutionOptions object * to specify data inputs and output to the script. * * This options object can be used to pass standard * execution model parameters on execution calls. All * fields are optional. * * See the Standard Execution Model chapter in the * Client Library Tutorial on the DeployR website for * further details. */ AnonymousProjectExecutionOptions options = new AnonymousProjectExecutionOptions(); /* * Preload from the DeployR repository the following * data input file: * /testuser/example-data-io/hipStar.dat */ ProjectPreloadOptions preloadDirectory = new ProjectPreloadOptions(); preloadDirectory.filename = "hipStar.dat"; preloadDirectory.directory = "example-data-io"; preloadDirectory.author = "testuser"; options.preloadDirectory = preloadDirectory; log.info("[ DATA INPUT ] Repository data file input " + "set on execution, [ ProjectExecutionOptions.preloadDirectory ]."); /* * Request storage of entire workspace as a * binary rData file to the DeployR-repository * following the execution. * * Alternatively, you could use storageOptions.objects * to store individual objects from the workspace. */ ProjectStorageOptions storageOptions = new ProjectStorageOptions(); // Use random file name for this example. storageOptions.workspace = Long.toHexString(Double.doubleToLongBits(Math.random())); storageOptions.directory = "example-data-io"; options.storageOptions = storageOptions; log.info("[ EXEC OPTION ] Repository storage request " + "set on execution [ ProjectExecutionOptions.storageOptions ]."); /* * Execute an analytics Web service as an authenticated * user based on a repository-managed R script: * /testuser/example-data-io/dataIO.R */ RScriptExecution exec = rClient.executeScript("dataIO.R", "example-data-io", "testuser", null, options); log.info("[ EXECUTION ] Discrete R script " + "execution completed [ RScriptExecution ]."); /* * Retrieve repository-managed file(s) that were * generated by the execution per ProjectStorageOptions. * * Outputs generated by an execution can be used in any * number of ways by client applications, including: * * 1. Use output data to perform further calculations. * 2. Display output data to an end-user. * 3. Write output data to a database. * 4. Pass output data along to another Web service. * 5. etc. */ List<RRepositoryFile> repoFiles = exec.about().repositoryFiles; for (RRepositoryFile repoFile : repoFiles) { log.info("[ DATA OUTPUT ] Retrieved repository " + "file output " + repoFile.about().filename + " [ RRepositoryFile ]."); InputStream fis = null; try { fis = repoFile.download(); } catch (Exception ex) { log.warn("Repository-managed file download " + ex); } finally { IOUtils.closeQuietly(fis); try { // Clean-up after example. repoFile.delete(); } catch (Exception dex) { log.warn("Repository-managed file delete " + dex); } } } } catch (Exception ex) { log.warn("Unexpected runtime exception=" + ex); } finally { try { if (rClient != null) { /* * Release rClient connection before application exits. */ rClient.release(); } } catch (Exception fex) { } } }
From source file:com.myJava.util.Util.java
public static void main(String[] args) { byte[] data = new byte[128]; for (int i = 0; i < data.length; i++) { data[i] = (byte) (Math.random() * 128.); }//from w w w .ja v a 2 s .c o m String enc = base64Encode(data); System.out.println(enc); System.out.println(base64Encode(base64Decode(enc))); }
From source file:org.jfree.chart.demo.PerformanceTest1.java
public static void main(String args[]) { ArrayList<Double> arraylist = new ArrayList<Double>(); for (int i = 0; i < 4000; i++) arraylist.add(new Double(Math.random())); int j = 0;/* ww w .ja v a 2 s . c om*/ for (int k = 0; k < 20000; k++) { long l = System.currentTimeMillis(); for (int i1 = 0; i1 < 0xf4240; i1++) j += i1; long l1 = System.currentTimeMillis(); System.out.println(k + " --> " + (l1 - l) + " (" + Runtime.getRuntime().freeMemory() + " / " + Runtime.getRuntime().totalMemory() + ")"); } }
From source file:edu.cmu.lti.oaqa.knn4qa.apps.CollectionSplitter.java
public static void main(String[] args) { Options options = new Options(); options.addOption("i", null, true, "Input file"); options.addOption("o", null, true, "Output file prefix"); options.addOption("p", null, true, "Comma separated probabilities e.g., 0.1,0.2,0.7."); options.addOption("n", null, true, "Comma separated part names, e.g., dev,test,train"); CommandLineParser parser = new org.apache.commons.cli.GnuParser(); try {//from ww w. j a va2s.c o m CommandLine cmd = parser.parse(options, args); InputStream input = null; if (cmd.hasOption("i")) { input = CompressUtils.createInputStream(cmd.getOptionValue("i")); } else { Usage("Specify Input file"); } ArrayList<Double> probs = new ArrayList<Double>(); String[] partNames = null; if (cmd.hasOption("p")) { String parts[] = cmd.getOptionValue("p").split(","); try { double sum = 0; for (String s : parts) { double p = Double.parseDouble(s); if (p <= 0 || p > 1) Usage("All probabilities must be in the range (0,1)"); sum += p; probs.add(p); } if (Math.abs(sum - 1.0) > Float.MIN_NORMAL) { Usage("The sum of probabilities should be equal to 1, but it's: " + sum); } } catch (NumberFormatException e) { Usage("Can't convert some of the probabilities to a floating-point number."); } } else { Usage("Specify part probabilities."); } if (cmd.hasOption("n")) { partNames = cmd.getOptionValue("n").split(","); if (partNames.length != probs.size()) Usage("The number of probabilities is not equal to the number of parts!"); } else { Usage("Specify part names"); } BufferedWriter[] outFiles = new BufferedWriter[partNames.length]; if (cmd.hasOption("o")) { String outPrefix = cmd.getOptionValue("o"); for (int partId = 0; partId < partNames.length; ++partId) { outFiles[partId] = new BufferedWriter(new OutputStreamWriter( CompressUtils.createOutputStream(outPrefix + "_" + partNames[partId] + ".gz"))); } } else { Usage("Specify Output file prefix"); } System.out.println("Using probabilities:"); for (int partId = 0; partId < partNames.length; ++partId) System.out.println(partNames[partId] + " : " + probs.get(partId)); System.out.println("================================================="); XmlIterator inpIter = new XmlIterator(input, YahooAnswersReader.DOCUMENT_TAG); String oneRec = inpIter.readNext(); int docNum = 1; for (; !oneRec.isEmpty(); ++docNum, oneRec = inpIter.readNext()) { double p = Math.random(); if (docNum % 1000 == 0) { System.out.println(String.format("Processed %d documents", docNum)); } BufferedWriter out = null; for (int partId = 0; partId < partNames.length; ++partId) { double pp = probs.get(partId); if (p <= pp || partId + 1 == partNames.length) { out = outFiles[partId]; break; } p -= pp; } oneRec = oneRec.trim() + System.getProperty("line.separator"); out.write(oneRec); } System.out.println(String.format("Processed %d documents", docNum - 1)); // It's important to close all the streams here! for (BufferedWriter f : outFiles) f.close(); } catch (ParseException e) { Usage("Cannot parse arguments"); } catch (Exception e) { System.err.println("Terminating due to an exception: " + e); System.exit(1); } }
From source file:com.revo.deployr.client.example.data.io.auth.stateful.exec.RepoFileInRepoFileOut.java
public static void main(String args[]) throws Exception { RClient rClient = null;/*from w ww . ja va 2s .c om*/ RProject rProject = null; try { /* * Determine DeployR server endpoint. */ String endpoint = System.getProperty("endpoint"); log.info("[ CONFIGURATION ] Using endpoint=" + endpoint); /* * Establish RClient connection to DeployR server. * * An RClient connection is the mandatory starting * point for any application using the client library. */ rClient = RClientFactory.createClient(endpoint); log.info("[ CONNECTION ] Established anonymous " + "connection [ RClient ]."); /* * Build a basic authentication token. */ RAuthentication rAuth = new RBasicAuthentication(System.getProperty("username"), System.getProperty("password")); /* * Establish an authenticated handle with the DeployR * server, rUser. Following this call the rClient * connection is operating as an authenticated connection * and all calls on rClient inherit the access permissions * of the authenticated user, rUser. */ RUser rUser = rClient.login(rAuth); log.info("[ AUTHENTICATION ] Upgraded to authenticated " + "connection [ RUser ]."); /* * Create a temporary project (R session). * * Optionally: * ProjectCreationOptions options = * new ProjectCreationOptions(); * * Populate options as needed, then: * * rProject = rUser.createProject(options); */ rProject = rUser.createProject(); log.info("[ GO STATEFUL ] Created stateful temporary " + "R session [ RProject ]."); /* * Create a ProjectExecutionOptions instance * to specify data inputs and output to the * execution of the repository-managed R script. * * This options object can be used to pass standard * execution model parameters on execution calls. All * fields are optional. * * See the Standard Execution Model chapter in the * Client Library Tutorial on the DeployR website for * further details. */ ProjectExecutionOptions options = new ProjectExecutionOptions(); /* * Preload from the DeployR repository the following * binary R object input file: * /testuser/example-data-io/hipStar.rData */ ProjectPreloadOptions preloadWorkspace = new ProjectPreloadOptions(); preloadWorkspace.filename = "hipStar.rData"; preloadWorkspace.directory = "example-data-io"; preloadWorkspace.author = "testuser"; options.preloadWorkspace = preloadWorkspace; log.info("[ DATA INPUT ] Repository binary file input " + "set on execution, [ ProjectExecutionOptions.preloadWorkspace ]."); /* * Request storage of entire workspace as a * binary rData file to the DeployR-repository * following the execution. * * Alternatively, you could use storageOptions.objects * to store individual objects from the workspace. */ ProjectStorageOptions storageOptions = new ProjectStorageOptions(); // Use random file name for this example. storageOptions.workspace = Long.toHexString(Double.doubleToLongBits(Math.random())); storageOptions.directory = "example-data-io"; options.storageOptions = storageOptions; log.info("[ EXEC OPTION ] Repository storage request " + "set on execution [ ProjectExecutionOptions.storageOptions ]."); /* * Execute a public analytics Web service as an authenticated * user based on a repository-managed R script: * /testuser/example-data-io/dataIO.R */ RProjectExecution exec = rProject.executeScript("dataIO.R", "example-data-io", "testuser", null, options); log.info("[ EXECUTION ] Stateful R script " + "execution completed [ RProjectExecution ]."); /* * Retrieve repository-managed file(s) that were * generated by the execution per ProjectStorageOptions. * * Outputs generated by an execution can be used in any * number of ways by client applications, including: * * 1. Use output data to perform further calculations. * 2. Display output data to an end-user. * 3. Write output data to a database. * 4. Pass output data along to another Web service. * 5. etc. */ List<RRepositoryFile> repoFiles = exec.about().repositoryFiles; for (RRepositoryFile repoFile : repoFiles) { log.info("[ DATA OUTPUT ] Retrieved repository " + "file output " + repoFile.about().filename + " [ RRepositoryFile ]."); InputStream fis = null; try { fis = repoFile.download(); } catch (Exception ex) { log.warn("Repository-managed file download " + ex); } finally { IOUtils.closeQuietly(fis); try { // Clean-up after example. repoFile.delete(); } catch (Exception dex) { log.warn("Repository-managed file delete " + dex); } } } } catch (Exception ex) { log.warn("Unexpected runtime exception=" + ex); } finally { try { if (rProject != null) { /* * Close rProject before application exits. */ rProject.close(); } } catch (Exception fex) { } try { if (rClient != null) { /* * Release rClient connection before application exits. */ rClient.release(); } } catch (Exception fex) { } } }
From source file:com.mvdb.etl.actions.ModifyCustomerData.java
public static void main(String[] args) { ActionUtils.assertEnvironmentSetupOk(); ActionUtils.assertFileExists("~/.mvdb", "~/.mvdb missing. Existing."); ActionUtils.assertFileExists("~/.mvdb/status.InitCustomerData.complete", "300init-customer-data.sh not executed yet. Exiting"); //This check is not required as data can be modified any number of times //ActionUtils.assertFileDoesNotExist("~/.mvdb/status.ModifyCustomerData.complete", "ModifyCustomerData already done. Start with 100init.sh if required. Exiting"); ActionUtils.setUpInitFileProperty(); ActionUtils.createMarkerFile("~/.mvdb/status.ModifyCustomerData.start", true); String customerName = null;/*from w w w . j a va2 s.c o m*/ //Date startDate = null; //Date endDate = null; final CommandLineParser cmdLinePosixParser = new PosixParser(); final Options posixOptions = constructPosixOptions(); CommandLine commandLine; try { commandLine = cmdLinePosixParser.parse(posixOptions, args); // if (commandLine.hasOption("startDate")) // { // String startDateStr = commandLine.getOptionValue("startDate"); // startDate = ActionUtils.getDate(startDateStr); // } // if (commandLine.hasOption("endDate")) // { // String endDateStr = commandLine.getOptionValue("endDate"); // endDate = ActionUtils.getDate(endDateStr); // } if (commandLine.hasOption("customerName")) { customerName = commandLine.getOptionValue("customerName"); } } catch (ParseException parseException) // checked exception { System.err.println( "Encountered exception while parsing using PosixParser:\n" + parseException.getMessage()); } if (customerName == null) { System.err.println("customerName has not been specified. Aborting..."); System.exit(1); } // if (startDate == null) // { // System.err.println("startDate has not been specified with the correct format YYYYMMddHHmmss. Aborting..."); // System.exit(1); // } // // if (endDate == null) // { // System.err.println("endDate has not been specified with the correct format YYYYMMddHHmmss. Aborting..."); // System.exit(1); // } // // if (endDate.after(startDate) == false) // { // System.err.println("endDate must be after startDate. Aborting..."); // System.exit(1); // } ApplicationContext context = Top.getContext(); final OrderDAO orderDAO = (OrderDAO) context.getBean("orderDAO"); long maxId = orderDAO.findMaxId(); long totalOrders = orderDAO.findTotalOrders(); long modifyCount = (long) (totalOrders * 0.1); String lastUsedEndTimeStr = ActionUtils.getConfigurationValue(customerName, ConfigurationKeys.LAST_USED_END_TIME); long lastUsedEndTime = Long.parseLong(lastUsedEndTimeStr); Date startDate1 = new Date(); startDate1.setTime(lastUsedEndTime + 1000 * 60 * 60 * 24 * 1); Date endDate1 = new Date(startDate1.getTime() + 1000 * 60 * 60 * 24 * 1); for (int i = 0; i < modifyCount; i++) { Date updateDate = RandomUtil.getRandomDateInRange(startDate1, endDate1); long orderId = (long) Math.floor((Math.random() * maxId)) + 1L; logger.info("Modify Id " + orderId + " in orders"); Order theOrder = orderDAO.findByOrderId(orderId); // System.out.println("theOrder : " + theOrder); theOrder.setNote(RandomUtil.getRandomString(4)); theOrder.setUpdateTime(updateDate); theOrder.setSaleCode(RandomUtil.getRandomInt()); orderDAO.update(theOrder); // System.out.println("theOrder Modified: " + theOrder); } ActionUtils.setConfigurationValue(customerName, ConfigurationKeys.LAST_USED_END_TIME, String.valueOf(endDate1.getTime())); logger.info("Modified " + modifyCount + " orders"); ActionUtils.createMarkerFile("~/.mvdb/status.ModifyCustomerData.complete", true); }
From source file:com.revo.deployr.client.example.data.io.auth.stateful.preload.RepoFileInRepoFileOut.java
public static void main(String args[]) throws Exception { RClient rClient = null;/*from w w w. ja va 2 s . c om*/ RProject rProject = null; try { /* * Determine DeployR server endpoint. */ String endpoint = System.getProperty("endpoint"); log.info("[ CONFIGURATION ] Using endpoint=" + endpoint); /* * Establish RClient connection to DeployR server. * * An RClient connection is the mandatory starting * point for any application using the client library. */ rClient = RClientFactory.createClient(endpoint); log.info("[ CONNECTION ] Established anonymous " + "connection [ RClient ]."); /* * Build a basic authentication token. */ RAuthentication rAuth = new RBasicAuthentication(System.getProperty("username"), System.getProperty("password")); /* * Establish an authenticated handle with the DeployR * server, rUser. Following this call the rClient * connection is operating as an authenticated connection * and all calls on rClient inherit the access permissions * of the authenticated user, rUser. */ RUser rUser = rClient.login(rAuth); log.info("[ AUTHENTICATION ] Upgraded to authenticated " + "connection [ RUser ]."); /* * Create a ProjectCreationOptions instance * to specify data inputs that "pre-heat" the R session * workspace or working directory for your project. */ ProjectCreationOptions creationOpts = new ProjectCreationOptions(); /* * Preload from the DeployR repository the following * binary R object input file: * /testuser/example-data-io/hipStar.rData */ ProjectPreloadOptions preloadWorkspace = new ProjectPreloadOptions(); preloadWorkspace.filename = "hipStar.rData"; preloadWorkspace.directory = "example-data-io"; preloadWorkspace.author = "testuser"; creationOpts.preloadWorkspace = preloadWorkspace; log.info("[ PRELOAD INPUT ] Repository binary file input " + "set on project creation, [ ProjectCreationOptions.preloadWorkspace ]."); /* * Create a temporary project (R session) passing a * ProjectCreationOptions to "pre-heat" data into the * workspace and/or working directory. */ rProject = rUser.createProject(creationOpts); log.info("[ GO STATEFUL ] Created stateful temporary " + "R session [ RProject ]."); /* * Create a ProjectExecutionOptions instance * to specify data inputs and output to the * execution of the repository-managed R script. * * This options object can be used to pass standard * execution model parameters on execution calls. All * fields are optional. * * See the Standard Execution Model chapter in the * Client Library Tutorial on the DeployR website for * further details. */ ProjectExecutionOptions execOpts = new ProjectExecutionOptions(); /* * Request storage of entire workspace as a * binary rData file to the DeployR-repository * following the execution. * * Alternatively, you could use storageOptions.objects * to store individual objects from the workspace. */ ProjectStorageOptions storageOptions = new ProjectStorageOptions(); // Use random file name for this example. storageOptions.workspace = Long.toHexString(Double.doubleToLongBits(Math.random())); storageOptions.directory = "example-data-io"; execOpts.storageOptions = storageOptions; log.info("[ EXEC OPTION ] Repository storage request " + "set on execution [ ProjectExecutionOptions.storageOptions ]."); /* * Execute a public analytics Web service as an authenticated * user based on a repository-managed R script: * /testuser/example-data-io/dataIO.R */ RProjectExecution exec = rProject.executeScript("dataIO.R", "example-data-io", "testuser", null, execOpts); log.info("[ EXECUTION ] Stateful R script " + "execution completed [ RProjectExecution ]."); /* * Retrieve repository-managed file(s) that were * generated by the execution per ProjectStorageOptions. * * Outputs generated by an execution can be used in any * number of ways by client applications, including: * * 1. Use output data to perform further calculations. * 2. Display output data to an end-user. * 3. Write output data to a database. * 4. Pass output data along to another Web service. * 5. etc. */ List<RRepositoryFile> repoFiles = exec.about().repositoryFiles; for (RRepositoryFile repoFile : repoFiles) { log.info("[ DATA OUTPUT ] Retrieved repository " + "file output " + repoFile.about().filename + " [ RRepositoryFile ]."); InputStream fis = null; try { fis = repoFile.download(); } catch (Exception ex) { log.warn("Repository-managed file download " + ex); } finally { IOUtils.closeQuietly(fis); try { // Clean-up after example. repoFile.delete(); } catch (Exception dex) { log.warn("Repository-managed file delete " + dex); } } } } catch (Exception ex) { log.warn("Unexpected runtime exception=" + ex); } finally { try { if (rProject != null) { /* * Close rProject before application exits. */ rProject.close(); } } catch (Exception fex) { } try { if (rClient != null) { /* * Release rClient connection before application exits. */ rClient.release(); } } catch (Exception fex) { } } }