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:de.vandermeer.skb.commons.Predicates.java

/**
 * Returns a predicate that evaluates to true if the set contains strings starting with a given character sequence.
 * @param nodes set of strings as base/*w  w  w . j  av a2 s. c  o m*/
 * @return predicate that returns true if set contains strings starting with it, false otherwise
 */
final public static Predicate<StrBuilder> CONTAINS_STRINGS_STARTING_WITH(final Set<String> nodes) {
    return new Predicate<StrBuilder>() {
        @Override
        public boolean test(final StrBuilder fqpn) {
            if (fqpn == null) {
                return false;
            }
            String key = fqpn.toString();
            if (!nodes.contains(key)) {
                return false;
            }

            Set<String> tail = new TreeSet<String>(nodes).tailSet(key, false);
            if (tail.size() == 0) {
                return false;
            }

            String child = tail.iterator().next();
            if (child.startsWith(key)) {
                return true;
            }
            return false;
        }
    };
}

From source file:de.metas.ui.web.window.datatypes.json.JSONLookupValue.java

public static final IntegerLookupValue integerLookupValueFromJsonMap(final Map<String, String> map) {
    final Set<Map.Entry<String, String>> entrySet = map.entrySet();
    if (entrySet.size() != 1) {
        throw new IllegalArgumentException("Invalid JSON lookup value: map=" + map);
    }/*w  w  w.  j a  v  a 2  s . c o m*/
    final Map.Entry<String, String> e = entrySet.iterator().next();

    String idStr = e.getKey();
    if (idStr == null) {
        return null;
    }
    idStr = idStr.trim();
    if (idStr.isEmpty()) {
        return null;
    }

    final int id = Integer.parseInt(idStr);
    final String name = e.getValue();

    return IntegerLookupValue.of(id, name);
}

From source file:misc.TestUtils.java

private static char[] toCharArray(Set<Character> set) {
    char[] ret = new char[set.size()];
    int ind = 0;/*from w  ww  .j a va2  s .  c  o m*/
    for (Character c : set) {
        ret[ind++] = c;
    }
    return ret;
}

From source file:Main.java

public static CharSequence[] getDeviceNames(@Nullable Set<BluetoothDevice> bluetoothDevices) {
    if (bluetoothDevices == null) {
        return new CharSequence[0];
    }//from w ww. j  av a 2s .  c  o  m

    BluetoothDevice[] devices = bluetoothDevices.toArray(new BluetoothDevice[bluetoothDevices.size()]);
    CharSequence[] deviceNames = new CharSequence[devices.length];

    for (int i = 0; i < deviceNames.length; i++) {
        deviceNames[i] = devices[i].getName();
    }

    return deviceNames;
}

From source file:com.h6ah4i.android.compat.utils.SharedPreferencesJsonStringSetWrapperUtils.java

public static boolean putStringSet(SharedPreferences.Editor editor, String key, Set<String> values) {
    try {//w  w  w . j ava  2  s .  c  om
        final JSONArray a = new JSONArray();
        final String[] strValues = (String[]) values.toArray(new String[values.size()]);

        for (int i = 0; i < values.size(); i++) {
            a.put(strValues[i]);
        }

        if (!values.isEmpty()) {
            editor.putString(key, a.toString());
        } else {
            editor.putString(key, null);
        }

        return editor.commit();
    } catch (RuntimeException e) {
        Log.e(TAG, "putStringSet()", e);

        return false;
    }
}

From source file:edu.wpi.checksims.util.PairGeneratorTest.java

public static void checkPairsAreInSet(Set<Pair<Submission, Submission>> toCheck,
        Set<Pair<Submission, Submission>> expected) {
    assertNotNull(toCheck);//from   w ww .  j a  va2s.  c o m
    assertNotNull(expected);

    assertEquals(expected.size(), toCheck.size());

    expected.stream().forEach((pair) -> assertTrue(
            toCheck.contains(pair) || toCheck.contains(Pair.of(pair.getRight(), pair.getLeft()))));
}

From source file:com.googlesource.gerrit.plugins.motd.MotdFileBasedConfig.java

private static List<SubnetConfig> allSubnets(FileBasedConfig cfg) {
    Set<String> names = cfg.getSubsections("subnet");
    List<SubnetConfig> result = Lists.newArrayListWithCapacity(names.size());
    for (String name : names) {
        result.add(new SubnetConfig(cfg, name));
    }/*from   ww  w  . j  a  va 2  s.c o  m*/
    return result;
}

From source file:org.springmodules.util.Strings.java

/**
 * Removes duplicates from the given String array.
 * /* w w w .jav  a  2s .c o m*/
 * @param array
 *          the given array
 * @return a new String array without duplicated entries
 */
public static String[] removeDuplicates(String[] array) {
    if (ObjectUtils.isEmpty(array)) {
        return array;
    }
    Set set = new TreeSet();

    int arraySize = array.length;
    for (int i = 0; i < arraySize; i++) {
        set.add(array[i]);
    }
    return (String[]) set.toArray(new String[set.size()]);
}

From source file:com.espertech.esper.epl.core.ResultSetProcessorHandThrough.java

/**
 * Applies the select-clause to the given events returning the selected events. The number of events stays the
 * same, i.e. this method does not filter it just transforms the result set.
 * @param exprProcessor - processes each input event and returns output event
 * @param events - input events/*from  w  w w .ja v a2  s .  c  o m*/
 * @param isNewData - indicates whether we are dealing with new data (istream) or old data (rstream)
 * @param isSynthesize - set to true to indicate that synthetic events are required for an iterator result set
 * @return output events, one for each input event
 */
protected static EventBean[] getSelectEventsNoHaving(SelectExprProcessor exprProcessor,
        Set<MultiKey<EventBean>> events, boolean isNewData, boolean isSynthesize) {
    int length = events.size();
    if (length == 0) {
        return null;
    }

    EventBean[] result = new EventBean[length];
    int count = 0;
    for (MultiKey<EventBean> key : events) {
        EventBean[] eventsPerStream = key.getArray();
        result[count] = exprProcessor.process(eventsPerStream, isNewData, isSynthesize);
        count++;
    }

    return result;
}

From source file:fr.paris.lutece.plugins.extend.util.ExtendUtils.java

/**
* Validate./*from  www  .j av a 2 s . c o  m*/
*
* @param <A> the generic type
* @param request the request
* @param bean the resource type
* @return the JSP error
*/
public static <A> String validate(HttpServletRequest request, A bean) {
    // Check mandatory fields
    Set<ConstraintViolation<A>> constraintViolations = BeanValidationUtil.validate(bean);

    if (constraintViolations.size() > 0) {
        Object[] params = { buildStopMessage(constraintViolations) };

        return AdminMessageService.getMessageUrl(request, MESSAGE_STOP_GENERIC_MESSAGE, params,
                AdminMessage.TYPE_STOP);
    }

    return StringUtils.EMPTY;
}