Example usage for java.util Set size

Introduction

In this page you can find the example usage for java.util Set size.

Prototype

int size();

Source Link

Document

Returns the number of elements in this set (its cardinality).

Usage

From source file:io.lavagna.service.PermissionService.java

private static MapSqlParameterSource[] fromUserIdAndRoleName(Role role, Set<Integer> userIds) {
    List<MapSqlParameterSource> ret = new ArrayList<>(userIds.size());
    for (Integer userId : userIds) {
        ret.add(new MapSqlParameterSource("userId", userId).addValue("roleName", role.getName()));
    }//from   w  ww .ja  v  a 2  s.  c  om

    return ret.toArray(new MapSqlParameterSource[ret.size()]);
}

From source file:net.audumla.climate.ClimateDataFactory.java

/**
 * Replaces the climate observation with a readonly version.
 *
 * @param cd the existing climate data bean
 * @return the climate data/*from  ww  w . ja  va2 s  . c  om*/
 */
public static WritableClimateObservation convertToWritableClimateObservation(ClimateObservation cd) {
    if (cd == null) {
        return null;
    }
    Set<Class<?>> interfaces = new LinkedHashSet<Class<?>>();
    interfaces.addAll(ClassUtils.getAllInterfaces(cd.getClass()));
    return BeanUtils.convertBean(cd, WritableClimateObservation.class,
            interfaces.toArray(new Class<?>[interfaces.size()]));
}

From source file:org.agiso.core.lang.util.ClassUtils.java

/**
 * Wyszukuje dla wskazanej klasy publiczn metod o okrelonej sygnaturze. Jeli
 * metoda nie zostanie naleziona zwraca {@code null}.
 * <p>W przypadku gdy nie jest okrelona tablica parametrw wywoania, zwraca metod
 * tylko gdy wynik wyszukiwania jest unikatowy, tj. istnieje tylko jedna publiczna
 * metoda o wskazanej nazwie./*  w ww .ja  v  a2s. com*/
 * 
 * <p>Based on:
 * org.springframework.util.ClassUtils.getMethodIfAvailable(Class<?>, String, Class<?>...)
 * 
 * @param clazz Klasa do sprawdzenia
 * @param methodName Nazwa wyszukiwanej metody
 * @param paramTypes Tablica typw parametrw wywoania metody
 *     (moe by {@code null} w celu wyszukania dowolnej metody o wskazanej nazwie)
 * @return Znaleziona metoda lub @{code null} gdy nie istnieje lub nie jest unikatowa
 * @see Class#getMethod
 */
public static Method getMethodIfAvailable(Class<?> clazz, String methodName, Class<?>... paramTypes) {
    if (clazz == null) {
        throw new NullPointerException("Klasa musi by okrelona");
    }
    if (methodName == null) {
        throw new NullPointerException("Nazwa metody musi by okrelona");
    }

    if (paramTypes != null) {
        try {
            return clazz.getMethod(methodName, paramTypes);
        } catch (NoSuchMethodException ex) {
            return null;
        }
    } else {
        Set<Method> candidates = new HashSet<Method>(1);
        Method[] methods = clazz.getMethods();
        for (Method method : methods) {
            if (methodName.equals(method.getName())) {
                candidates.add(method);
            }
        }
        if (candidates.size() == 1) {
            return candidates.iterator().next();
        }
        return null;
    }
}

From source file:org.web4thejob.util.CoreUtil.java

public static Set<Setting<?>> cloneSettings(Set<Setting<?>> source) {
    Set<Setting<?>> target = new HashSet<Setting<?>>(source.size());

    for (Setting<?> setting : source) {
        target.add(setting.clone());//from   w w  w.j  a v  a 2 s. co m
    }

    return target;
}

From source file:com.allinfinance.system.util.BeanUtils.java

/**
 * null??//from  w  w w.java 2  s.c om
* @param source
* @return
*/
public static String[] getNullPropertyNames(Object source) {
    final BeanWrapper src = new BeanWrapperImpl(source);
    java.beans.PropertyDescriptor[] pds = src.getPropertyDescriptors();

    Set<String> emptyNames = new HashSet<String>();
    for (java.beans.PropertyDescriptor pd : pds) {
        Object srcValue = src.getPropertyValue(pd.getName());
        if (srcValue == null)
            emptyNames.add(pd.getName());
    }
    String[] result = new String[emptyNames.size()];
    return emptyNames.toArray(result);
}

From source file:org.agiso.core.lang.util.ClassUtils.java

/**
 * Wyszukuje dla wskazanej klasy publiczn metod o okrelonej sygnaturze. Jeli
 * metoda nie zostanie naleziona wyrzuca wyjtek {@code IllegalStateException}.
 * <p>W przypadku gdy nie jest okrelona tablica parametrw wywoania, zwraca metod
 * tylko gdy wynik wyszukiwania jest unikatowy, tj. istnieje tylko jedna publiczna
 * metoda o wskazanej nazwie.//from   w w w.  j a va  2s .  c o m
 * 
 * <p>Based on:
 * org.springframework.util.ClassUtils.getMethod(Class<?>, String, Class<?>...)
 * 
 * @param clazz Klasa do sprawdzenia
 * @param methodName Nazwa wyszukiwanej metody
 * @param paramTypes Tablica typw parametrw wywoania metody
 *     (moe by {@code null} w celu wyszukania dowolnej metody o wskazanej nazwie)
 * @return Znaleziona metoda (niegdy {@code null})
 * @throws IllegalStateException jeli nie znaleziono metody lub nie jest unikatowa
 * @see Class#getMethod
 */
public static Method getMethod(Class<?> clazz, String methodName, Class<?>... paramTypes) {
    if (clazz == null) {
        throw new NullPointerException("Klasa musi by okrelona");
    }
    if (methodName == null) {
        throw new NullPointerException("Nazwa metody musi by okrelona");
    }

    if (paramTypes != null) {
        try {
            return clazz.getMethod(methodName, paramTypes);
        } catch (NoSuchMethodException ex) {
            throw new IllegalStateException("Expected method not found: " + ex);
        }
    } else {
        Set<Method> candidates = new HashSet<Method>(1);
        Method[] methods = clazz.getMethods();
        for (Method method : methods) {
            if (methodName.equals(method.getName())) {
                candidates.add(method);
            }
        }
        if (candidates.size() == 1) {
            return candidates.iterator().next();
        } else if (candidates.isEmpty()) {
            throw new IllegalStateException("Expected method not found: " + clazz + "." + methodName);
        } else {
            throw new IllegalStateException("No unique method found: " + clazz + "." + methodName);
        }
    }
}

From source file:com.espertech.esper.event.vaevent.PropertyUtility.java

/**
 * Remove from values all removeValues and build a unique sorted result array.
 * @param values to consider/*  w w  w  .  j a  v a  2 s .  co  m*/
 * @param removeValues values to remove from values
 * @return sorted unique
 */
protected static String[] uniqueExclusiveSort(String[] values, String[] removeValues) {
    Set<String> unique = new HashSet<String>();
    unique.addAll(Arrays.asList(values));
    for (String removeValue : removeValues) {
        unique.remove(removeValue);
    }
    String[] uniqueArr = unique.toArray(new String[unique.size()]);
    Arrays.sort(uniqueArr);
    return uniqueArr;
}

From source file:net.audumla.climate.ClimateDataFactory.java

/**
 * Replaces the climate data with a readonly version.
 *
 * @param cd the existing climate data bean
 * @return the climate data//from w w w  . j av a  2 s  .co m
 */
public static ClimateData convertToReadOnlyClimateData(ClimateData cd) {
    if (cd == null) {
        return null;
    }
    Set<Class<?>> interfaces = new LinkedHashSet<Class<?>>();
    interfaces.addAll(ClassUtils.getAllInterfaces(cd.getClass()));
    interfaces.remove(WritableClimateData.class);
    return BeanUtils.convertBean(cd, interfaces.toArray(new Class<?>[interfaces.size()]));
}

From source file:com.googlecode.psiprobe.Utils.java

public static boolean isThreadingEnabled() {
    try {/*from  w ww  . j  ava2  s  .co  m*/
        MBeanServer mBeanServer = new Registry().getMBeanServer();
        ObjectName threadingOName = new ObjectName("java.lang:type=Threading");
        Set s = mBeanServer.queryMBeans(threadingOName, null);
        return s != null && s.size() > 0;
    } catch (MalformedObjectNameException e) {
        return false;
    }
}

From source file:common.Utilities.java

public static double getJaccardSim(Map<Integer, Integer> targetMap, Map<Integer, Integer> nMap) {
    Set<Integer> unionSet = new HashSet<Integer>(targetMap.keySet());
    Set<Integer> intersectSet = new HashSet<Integer>(targetMap.keySet());
    unionSet.addAll(nMap.keySet());/*w  w w .  j  a  va  2  s  .c  o  m*/
    intersectSet.retainAll(nMap.keySet());
    return (double) intersectSet.size() / (double) unionSet.size();
}