Example usage for java.util Collection add

Introduction

In this page you can find the example usage for java.util Collection add.

Prototype

boolean add(E e);

Source Link

Document

Ensures that this collection contains the specified element (optional operation).

Usage

From source file:Main.java

private static <T> void permutationsImpl(List<Collection<T>> ori, Collection<List<T>> res, int d,
        List<T> current) {/* www  .  ja v a2  s.c o m*/
    // if depth equals number of original collections, final reached, add and return
    if (d == ori.size()) {
        res.add(current);
        return;
    }

    // iterate from current collection and copy 'current' element N times, one for each element
    Collection<T> currentCollection = ori.get(d);
    for (T element : currentCollection) {
        List<T> copy = Lists.newLinkedList(current);
        copy.add(element);
        permutationsImpl(ori, res, d + 1, copy);
    }
}

From source file:Main.java

/**
 * Adds all elements in the iteration to the given collection.
 * /*from  w w  w  .  ja  va 2s  . co m*/
 * @param collection
 *            the collection to add to, must not be null
 * @param iterator
 *            the iterator of elements to add, must not be null
 * @throws NullPointerException
 *             if the collection or iterator is null
 */
public static <E> void addAll(Collection<E> collection, Iterator<E> iterator) {
    if (collection == null || iterator == null) {
        return;
    }

    while (iterator.hasNext()) {
        collection.add(iterator.next());
    }
}

From source file:Main.java

/**
 * Adds all elements in the array to the given collection.
 * /*from ww  w .j a  va 2 s. c o m*/
 * @param collection
 *            the collection to add to
 * @param elements
 *            the array of elements to add, may be null
 * @throws NullPointerException
 *             if the collection or array is null
 */
public static void addAll(Collection collection, Object[] elements) {
    for (int i = 0, size = elements.length; i < size; i++) {
        collection.add(elements[i]);
    }
}

From source file:Main.java

/**
 * Samples without replacement from a collection, using your own
 * {@link Random} number generator.//from   ww w  .ja v a  2s .  c  o  m
 *
 * @param c
 *          The collection to be sampled from
 * @param n
 *          The number of samples to take
 * @param r
 *          the random number generator
 * @return a new collection with the sample
 */
public static <E> Collection<E> sampleWithoutReplacement(Collection<E> c, int n, Random r) {
    if (n < 0)
        throw new IllegalArgumentException("n < 0: " + n);
    if (n > c.size())
        throw new IllegalArgumentException("n > size of collection: " + n + ", " + c.size());
    List<E> copy = new ArrayList<E>(c.size());
    copy.addAll(c);
    Collection<E> result = new ArrayList<E>(n);
    for (int k = 0; k < n; k++) {
        double d = r.nextDouble();
        int x = (int) (d * copy.size());
        result.add(copy.remove(x));
    }
    return result;
}

From source file:org.openmrs.module.webservices.rest.resource.BaseRestDataResource.java

/**
 * Syncs the base collection with the items in the sync collection. This will add any missing items, updating existing
 * items, and delete any items not found in the sync collection.
 * @param base The collection to update.
 * @param sync The collection used to update the base.
 * @param <E> The {@link OpenmrsObject} stored in the collection.
 *///from www .ja v a 2 s  . c  o  m
public static <E extends OpenmrsObject> void syncCollection(Collection<E> base, Collection<E> sync) {
    syncCollection(base, sync, new Action2<Collection<E>, E>() {
        @Override
        public void apply(Collection<E> collection, E entity) {
            collection.add(entity);
        }
    }, new Action2<Collection<E>, E>() {
        @Override
        public void apply(Collection<E> collection, E entity) {
            collection.remove(entity);
        }
    });
}

From source file:Main.java

public static void addPluginIfMatches(File folderOrJar, String bundleName, Collection<File> result) {
    String name = folderOrJar.getName();
    if (folderOrJar.isFile()) {
        if (name.equals(bundleName + ".jar") || name.startsWith(bundleName + "_") && name.endsWith(".jar"))
            result.add(folderOrJar);
    } else {/*from  w w w .  j  a va  2  s .c o  m*/
        if (name.equals(bundleName) || name.startsWith(bundleName + "_"))
            result.add(folderOrJar);
    }
}

From source file:com.glaf.core.util.AnnotationUtils.java

public static Collection<String> findClasses(String name) {
    AnnotationDB db = getAnnotationDB();
    Map<String, Set<String>> annotationIndex = db.getAnnotationIndex();
    Set<String> entities = annotationIndex.get(name);
    Collection<String> sortSet = new TreeSet<String>();
    if (entities != null && !entities.isEmpty()) {
        for (String str : entities) {
            sortSet.add(str);
        }//  w  ww. ja v a 2 s.  c  o m
    }
    return sortSet;
}

From source file:de.codesourcery.eve.skills.util.Misc.java

public static Collection<String> wrap(String s, int maxLength) {

    if (StringUtils.isBlank(s)) {
        return Collections.emptyList();
    }// w w w .j  a va 2  s.co m

    if (s.length() <= maxLength) {
        final Collection<String> res = new ArrayList<String>();
        res.add(s);
        return res;
    }

    final List<String> lines = new ArrayList<String>();

    int i0 = 0;
    int i1 = 0;
    int lastSplit = -1;
    for (; i1 < s.length(); i1++) {
        final char c = s.charAt(i1);

        if (c == ' ' || c == '.' || c == ',') {
            lastSplit = i1;
        }

        final int count = i1 - i0;
        if (count > maxLength) {
            if (lastSplit != -1) {
                lines.add(s.substring(i0, lastSplit));
                i0 = lastSplit + 1;
            } else {
                lines.add(s.substring(i0, i1));
                i0 = i1;
            }
            i1 = i0;
            lastSplit = -1;
        }
    }

    if (i1 - i0 > 0 && i0 < s.length()) {
        lines.add(s.substring(i0, i1));
    }

    return lines;
}

From source file:Main.java

/**
 * //from ww w.  j  av  a  2  s  . com
 * @param stringArray
 * @return double[]
 */
public static double[] toDoubleArray(final String[] stringArray) {
    final Collection<Double> doubleCollection = new ArrayList<>();

    for (String value : stringArray) {
        doubleCollection.add(Double.valueOf(value));
    }

    return toDoubleArray(doubleCollection);
}

From source file:net.maritimecloud.identityregistry.controllers.TokenGenerator.java

public static Collection<GrantedAuthority> generateGrantedAuthority(String roles) {
    Collection<GrantedAuthority> authorities = new ArrayList<>();
    String[] roleArr = roles.split(",");
    for (String role : roleArr) {
        authorities.add(new SimpleGrantedAuthority(role.trim()));
    }/*from  w w  w.ja va 2 s. c om*/
    return authorities;
}