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Java RandomUtils.nextFloat方法代碼示例

本文整理匯總了Java中org.apache.commons.lang.math.RandomUtils.nextFloat方法的典型用法代碼示例。如果您正苦於以下問題：Java RandomUtils.nextFloat方法的具體用法？Java RandomUtils.nextFloat怎麽用？Java RandomUtils.nextFloat使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.commons.lang.math.RandomUtils的用法示例。


在下文中一共展示了RandomUtils.nextFloat方法的11個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: testWritePerformance

import org.apache.commons.lang.math.RandomUtils; //導入方法依賴的package包/類
@Test
public void testWritePerformance() throws Exception {
   System.out.println("Writing " + NumberFormat.getInstance().format(MAX_DOCS) + " values.");
   System.out.println("Float array bytes: " + NumberFormat.getInstance().format(RamUsageEstimator.sizeOf(new float[MAX_DOCS])));
   OffsetGrowableFloatWriter writer = new OffsetGrowableFloatWriter(OffsetGrowableFloatWriter.DEFAULT_PRECISION, 2, MAX_DOCS, PackedInts.DEFAULT);
   long start = System.currentTimeMillis();
   
   for (int i = 0; i < MAX_DOCS; i++) {
      float value = RandomUtils.nextFloat() * RandomUtils.nextFloat();
      int j = RandomUtils.nextInt(MAX_DOCS);
      
      writer.setFloat(j, value);
      assertEquals(value, writer.getFloat(j), OffsetGrowableFloatWriter.DEFAULT_PRECISION);
   }
   
   System.out.println("OffsetGrowableFloatWriter bytes: " + NumberFormat.getInstance().format(writer.ramBytesUsed()) + " in " + (System.currentTimeMillis() - start) + "ms ...");
}
開發者ID:shopping24，項目名稱:solr-bmax-queryparser，代碼行數:18，代碼來源:OffsetGrowableFloatWriterTest.java

示例2: selectRandomItems

import org.apache.commons.lang.math.RandomUtils; //導入方法依賴的package包/類
/** Selects and returns ceil(ratio * items.length) random items from the given array */
public static <T> List<T> selectRandomItems(T[] items, float ratio) {
  int remaining = (int)Math.ceil(items.length * ratio);

  List<T> selectedItems = new ArrayList<T>(remaining);

  for (int i=0; i<items.length && remaining > 0; i++) {
    if (RandomUtils.nextFloat() < ((float)remaining/(items.length-i))) {
      selectedItems.add(items[i]);
      remaining--;
    }
  }

  return selectedItems;
}
開發者ID:fengchen8086，項目名稱:ditb，代碼行數:16，代碼來源:PolicyBasedChaosMonkey.java

示例3: onQQGroupMessage

import org.apache.commons.lang.math.RandomUtils; //導入方法依賴的package包/類
private void onQQGroupMessage(final GroupMessage message) {
    final long groupId = message.getGroupId();

    final String content = message.getContent();
    final String userName = Long.toHexString(message.getUserId());
    // Push to third system
    String qqMsg = content.replaceAll("\\[\"face\",[0-9]+\\]", "");
    if (StringUtils.isNotBlank(qqMsg)) {
        qqMsg = "<p>" + qqMsg + "</p>";
        sendToThird(qqMsg, userName);
    }

    String msg = "";
    if (StringUtils.contains(content, XiaoVs.QQ_BOT_NAME)
            || (StringUtils.length(content) > 6
            && (StringUtils.contains(content, "?") || StringUtils.contains(content, "？") || StringUtils.contains(content, "問")))) {
        msg = answer(content, userName);
    }

    if (StringUtils.isBlank(msg)) {
        return;
    }

    if (RandomUtils.nextFloat() >= 0.9) {
        Long latestAdTime = GROUP_AD_TIME.get(groupId);
        if (null == latestAdTime) {
            latestAdTime = 0L;
        }

        final long now = System.currentTimeMillis();

        if (now - latestAdTime > 1000 * 60 * 30) {
            msg = msg + "。\n" + ADS.get(RandomUtils.nextInt(ADS.size()));

            GROUP_AD_TIME.put(groupId, now);
        }
    }

    sendMessageToGroup(groupId, msg);
}
開發者ID:b3log，項目名稱:xiaov，代碼行數:41，代碼來源:QQService.java

示例4: onQQDiscussMessage

import org.apache.commons.lang.math.RandomUtils; //導入方法依賴的package包/類
private void onQQDiscussMessage(final DiscussMessage message) {
    final long discussId = message.getDiscussId();

    final String content = message.getContent();
    final String userName = Long.toHexString(message.getUserId());
    // Push to third system
    String qqMsg = content.replaceAll("\\[\"face\",[0-9]+\\]", "");
    if (StringUtils.isNotBlank(qqMsg)) {
        qqMsg = "<p>" + qqMsg + "</p>";
        sendToThird(qqMsg, userName);
    }

    String msg = "";
    if (StringUtils.contains(content, XiaoVs.QQ_BOT_NAME)
            || (StringUtils.length(content) > 6
            && (StringUtils.contains(content, "?") || StringUtils.contains(content, "？") || StringUtils.contains(content, "問")))) {
        msg = answer(content, userName);
    }

    if (StringUtils.isBlank(msg)) {
        return;
    }

    if (RandomUtils.nextFloat() >= 0.9) {
        Long latestAdTime = DISCUSS_AD_TIME.get(discussId);
        if (null == latestAdTime) {
            latestAdTime = 0L;
        }

        final long now = System.currentTimeMillis();

        if (now - latestAdTime > 1000 * 60 * 30) {
            msg = msg + "。\n" + ADS.get(RandomUtils.nextInt(ADS.size()));

            DISCUSS_AD_TIME.put(discussId, now);
        }
    }

    sendMessageToDiscuss(discussId, msg);
}
開發者ID:b3log，項目名稱:xiaov，代碼行數:41，代碼來源:QQService.java

示例5: createParam

import org.apache.commons.lang.math.RandomUtils; //導入方法依賴的package包/類
private Object createParam(Class type) throws IllegalAccessException, InvocationTargetException,
        InstantiationException {
    Object param;
    if (type == String.class) {
        param = "test";
    } else if (type == Integer.class || type == Integer.TYPE) {
        param = RandomUtils.nextInt();
    } else if (type == Long.class || type == Long.TYPE) {
        param = RandomUtils.nextLong();
    } else if (type == Float.class || type == Float.TYPE) {
        param = RandomUtils.nextFloat();
    } else if (type == Double.class || type == Double.TYPE) {
        param = RandomUtils.nextDouble();
    } else if (type == Boolean.class || type == Boolean.TYPE) {
        param = RandomUtils.nextBoolean();
    } else if (type == BigInteger.class) {
        param = new BigInteger(TEST_BIGINTEGER);
    } else if (type == List.class) {
        param = new ArrayList<>();
    } else if (type == XMLGregorianCalendar.class) {
        try {
            param = DatatypeFactory.newInstance().newXMLGregorianCalendar();
        } catch (DatatypeConfigurationException e) {
            throw new IllegalArgumentException(e.getMessage(), e);
        }
    } else {
        Constructor[] constructors = type.getConstructors();
        param = constructors[0].newInstance();
    }

    return param;
}
開發者ID:epam，項目名稱:NGB，代碼行數:33，代碼來源:ExternalDBBindingTest.java

示例6: testFloatConversion

import org.apache.commons.lang.math.RandomUtils; //導入方法依賴的package包/類
@Test
public void testFloatConversion() throws Exception {
   OffsetGrowableFloatWriter writer = new OffsetGrowableFloatWriter(OffsetGrowableFloatWriter.DEFAULT_PRECISION, 2, 4096, PackedInts.DEFAULT);

   for (int i = 0; i < 4096; i++) {
      float value = RandomUtils.nextFloat() * RandomUtils.nextFloat();
      writer.setFloat(i, value);
      assertEquals(value, writer.getFloat(i), OffsetGrowableFloatWriter.DEFAULT_PRECISION);
   }
}
開發者ID:shopping24，項目名稱:solr-bmax-queryparser，代碼行數:11，代碼來源:OffsetGrowableFloatWriterTest.java

示例7: testSize

import org.apache.commons.lang.math.RandomUtils; //導入方法依賴的package包/類
@Test
public void testSize() throws Exception {
   OffsetGrowableFloatWriter writer = new OffsetGrowableFloatWriter(OffsetGrowableFloatWriter.DEFAULT_PRECISION, 2, 4096, PackedInts.DEFAULT);
   
   for (int i = 0; i < 4096; i++) {
      float value = RandomUtils.nextFloat() * RandomUtils.nextFloat();
      writer.setFloat(i, value);
      assertEquals(value, writer.getFloat(i), OffsetGrowableFloatWriter.DEFAULT_PRECISION);
   }
}
開發者ID:shopping24，項目名稱:solr-bmax-queryparser，代碼行數:11，代碼來源:OffsetGrowableFloatWriterTest.java

示例8: getPosition

import org.apache.commons.lang.math.RandomUtils; //導入方法依賴的package包/類
private String getPosition() {
    float random = RandomUtils.nextFloat() * 10;
    if (random < 7) {
        return positions[0];
    } else if (random > 7 && random < 8) {
        return positions[1];
    } else if (random > 8 && random < 8.5) {
        return positions[2];
    } else if (random > 8.5 && random < 9.5) {
        return positions[3];
    } else {
        return positions[4];
    }
}
開發者ID:antoniomaria，項目名稱:gazpachoquest，代碼行數:15，代碼來源:MassiveUserLoadLab.java

示例9: random

import org.apache.commons.lang.math.RandomUtils; //導入方法依賴的package包/類
@Override
public Float random() {
	return RandomUtils.nextFloat();
}
開發者ID:namics，項目名稱:java-random，代碼行數:5，代碼來源:FloatGenerator.java

示例10: randomFloat0to1

import org.apache.commons.lang.math.RandomUtils; //導入方法依賴的package包/類
public static float randomFloat0to1() {
	return RandomUtils.nextFloat();
}
開發者ID:namics，項目名稱:java-random，代碼行數:4，代碼來源:RandomData.java

示例11: randomFloat

import org.apache.commons.lang.math.RandomUtils; //導入方法依賴的package包/類
public static float randomFloat(int min, int max) {
	return RandomUtils.nextFloat() + RandomUtils.nextInt(max - min);
}
開發者ID:namics，項目名稱:java-random，代碼行數:4，代碼來源:RandomData.java


注：本文中的org.apache.commons.lang.math.RandomUtils.nextFloat方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。