Example usage for java.util Collection contains

Introduction

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

Prototype

boolean contains(Object o);

Source Link

Document

Returns true if this collection contains the specified element.

Usage

From source file:com.igitras.codegen.common.utils.Utils.java

public static <T> boolean checkCollectionEqual(Collection<T> from, Collection<T> to) {
    if (from == null) {
        from = Collections.emptySet();
    }/*  w ww  . j  a  v a  2s  .c o m*/

    if (to == null) {
        to = Collections.emptySet();
    }

    for (T t : from) {
        if (!to.contains(t)) {
            return false;
        }
    }

    for (T t : to) {
        if (!from.contains(t)) {
            return false;
        }
    }

    return true;
}

From source file:CollectionUtils.java

/**
 * Return the first element in '<code>candidates</code>' that is contained in
 * '<code>source</code>'. If no element in '<code>candidates</code>' is present in
 * '<code>source</code>' returns <code>null</code>. Iteration order is
 * {@link Collection} implementation specific.
 * @param source the source Collection/* w ww.  j  a v  a  2 s  .c  o  m*/
 * @param candidates the candidates to search for
 * @return the first present object, or <code>null</code> if not found
 */
public static Object findFirstMatch(Collection source, Collection candidates) {
    if (isEmpty(source) || isEmpty(candidates)) {
        return null;
    }
    for (Iterator it = candidates.iterator(); it.hasNext();) {
        Object candidate = it.next();
        if (source.contains(candidate)) {
            return candidate;
        }
    }
    return null;
}

From source file:Main.java

/**
 * /*  www  .  j a  va  2  s.  c  o  m*/
 * @param c1
 * @param s1
 * @return c1 - s1
 * 
 */
public static <T> List<T> minius(Collection<T> c1, Collection<T> s1) {

    if (c1 == null) {
        return Collections.emptyList();
    }

    if (s1 == null || s1.size() == 0) {
        return new ArrayList<T>(c1);
    }
    List<T> list = new ArrayList<T>();
    for (T t : c1) {
        if (!s1.contains(t)) {
            list.add(t);
        }
    }
    return list;
}

From source file:com.screenslicer.core.nlp.NlpUtil.java

public static boolean hasStem(String query, String target) {
    if (hasStemCache.size() > MAX_CACHE) {
        hasStemCache.clear();//from w ww  . j a v  a2  s  .c  o m
    }
    String cacheKey = query + "<<>>" + target;
    if (hasStemCache.containsKey(cacheKey)) {
        return hasStemCache.get(cacheKey);
    }
    Collection<String> queryStems = stems(query, false, false);
    Collection<String> targetStems = stems(target, !stems(query, true, false).isEmpty(), false);
    for (String cur : queryStems) {
        if (targetStems.contains(cur)) {
            hasStemCache.put(cacheKey, true);
            return true;
        }
    }
    hasStemCache.put(cacheKey, false);
    return false;
}

From source file:Main.java

public static <T extends Object> int countIntersection(Collection<? extends T> s1, Collection<? extends T> s2) {
    if (s1 == null || s2 == null)
        return 0;
    int n1 = s1.size();
    int n2 = s2.size();
    if (n2 < n1) {
        Collection<? extends T> t = s1;
        s1 = s2;/*from   ww w . j  a  va2  s .co m*/
        s2 = t;
    }
    int n = 0;
    for (T e : s1) {
        if (s2.contains(e))
            n++;
    }
    return n;
}

From source file:com.abiquo.server.core.util.network.IPAddress.java

public static boolean isIntoRange(Collection<IPAddress> range, String address) {
    IPAddress ip = newIPAddress(address);

    return range.contains(ip);
}

From source file:edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil.java

public static <T> boolean disjoint(Collection<T> c1, Collection<T> c2) {
    for (T m : c1) {
        if (c2.contains(m)) {
            return false;
        }//  w w w  .j av a2 s .co m
    }
    return true;
}

From source file:com.yunmel.syncretic.utils.commons.CollectionsUtils.java

/**
 * abList./*w w w  . j a  va 2  s.  c  o  m*/
 */
public static <T> List<T> intersection(Collection<T> a, Collection<T> b) {
    List<T> list = Lists.newArrayList();

    for (T element : a) {
        if (b.contains(element)) {
            list.add(element);
        }
    }
    return list;
}

From source file:annis.gui.flatquerybuilder.SpanBox.java

public static void buildBoxValues(ComboBox cb, String level, FlatQueryBuilder sq) {
    String value = (cb.getValue() != null) ? cb.getValue().toString() : "";
    Collection<String> annovals = sq.getAnnotationValues(level);
    cb.removeAllItems();/*from   w  w  w.  ja  va 2  s. c o m*/
    for (String s : annovals) {
        cb.addItem(s);
    }
    if (annovals.contains(value)) {
        cb.setValue(value);
    } else {
        cb.setValue(null);
    }
}

From source file:com.insightml.utils.Collections.java

public static <I> Set<I> matches(final Collection<I> col1, final Collection<I> col2) {
    final Set<I> builder = new HashSet<>();
    for (final I item : col1) {
        if (col2.contains(item)) {
            builder.add(item);//from ww  w. j ava  2s.c o m
        }
    }
    return builder;
}