Example usage for java.util Collection remove

Introduction

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

Prototype

boolean remove(Object o);

Source Link

Document

Removes a single instance of the specified element from this collection, if it is present (optional operation).

Usage

From source file:Main.java

/**
 * Removes all elements from the {@link Collection}. 
 * @param <T> The type of the {@link Collection}s elements.
 * @param collection The {@link Collection} to remove from.
 * @param elementsToRemove The elements to remove.
 * @return {@code true} if the {@link Collection} changed as result of this call.
 *///ww  w  .j ava2 s.c om
public static <T> boolean removeAll(Collection<T> collection, T... elementsToRemove) {
    if (collection != null && elementsToRemove != null) {
        boolean result = false;
        for (T toAdd : elementsToRemove) {
            result = collection.remove(toAdd) || result;
        }
        return result;
    } else {
        return false;
    }
}

From source file:com.xpn.xwiki.doc.merge.MergeUtils.java

/**
 * Merge a {@link Collection}./*from ww w .j a  va  2 s. c o  m*/
 * 
 * @param <T> the type of the lists elements
 * @param previousList previous version of the collection
 * @param newList new version of the collection
 * @param currentList current version of the collection to modify
 * @param mergeResult the merge report
 */
public static <T> void mergeCollection(Collection<T> previousList, Collection<T> newList,
        Collection<T> currentList, MergeResult mergeResult) {
    for (T previousElement : previousList) {
        if (!newList.contains(previousElement)) {
            currentList.remove(previousElement);
        }
    }

    for (T newElement : newList) {
        if (!previousList.contains(newElement)) {
            currentList.add(newElement);
        }
    }
}

From source file:org.musicrecital.dao.hibernate.HibernateSearchTools.java

/**
 * Generates a lucene query to search for a given term in all the indexed fields of a class
 *
 * @param searchTerm the term to search for
 * @param searchedEntity the class searched
 * @param sess the hibernate session/*from  www.  ja  va 2s. c o  m*/
 * @param defaultAnalyzer the default analyzer for parsing the search terms
 * @return
 * @throws ParseException
 */
public static Query generateQuery(String searchTerm, Class searchedEntity, Session sess,
        Analyzer defaultAnalyzer) throws ParseException {
    Query qry = null;

    if (searchTerm.equals("*")) {
        qry = new MatchAllDocsQuery();
    } else {
        // Search in all indexed fields

        IndexReaderAccessor readerAccessor = null;
        IndexReader reader = null;
        try {
            FullTextSession txtSession = Search.getFullTextSession(sess);

            // obtain analyzer to parse the query:
            Analyzer analyzer;
            if (searchedEntity == null) {
                analyzer = defaultAnalyzer;
            } else {
                analyzer = txtSession.getSearchFactory().getAnalyzer(searchedEntity);
            }

            // search on all indexed fields: generate field list, removing internal hibernate search field name: _hibernate_class
            // TODO: possible improvement: cache the fields of each entity
            SearchFactory searchFactory = txtSession.getSearchFactory();
            readerAccessor = searchFactory.getIndexReaderAccessor();
            reader = readerAccessor.open(searchedEntity);
            Collection<String> fieldNames = reader.getFieldNames(IndexReader.FieldOption.INDEXED);
            fieldNames.remove("_hibernate_class");
            String[] fnames = new String[0];
            fnames = fieldNames.toArray(fnames);

            // To search on all fields, search the term in all fields
            String[] queries = new String[fnames.length];
            for (int i = 0; i < queries.length; ++i) {
                queries[i] = searchTerm;
            }

            qry = MultiFieldQueryParser.parse(Version.LUCENE_35, queries, fnames, analyzer);
        } finally {
            if (readerAccessor != null && reader != null) {
                readerAccessor.close(reader);
            }
        }
    }
    return qry;
}

From source file:org.goko.core.rs274ngcv3.RS274.java

public static GCodeToken removeToken(String strToken, Collection<GCodeToken> lstTokens) throws GkException {
    GCodeToken token = findToken(strToken, lstTokens);
    if (token != null) {
        lstTokens.remove(token);
    }/*from   w  w  w.ja va  2  s.c o  m*/
    return token;
}

From source file:com.adguard.commons.collections.Lists.java

/**
 * Safe method to remove all specified elements
 * from the collection.//w  ww  .j a v  a  2s. co m
 *
 * @param collection Collection
 * @param elements   Elements to remove
 * @param <T>        Any type
 */
public static <T> void removeAll(Collection<T> collection, Collection<T> elements) {

    if (CollectionUtils.isEmpty(collection) || CollectionUtils.isEmpty(elements)) {
        return;
    }

    for (T element : elements) {
        collection.remove(element);
    }
}

From source file:Main.java

public static boolean removeAll(final Collection<?> c, final Object... array) {
    boolean result = false;

    for (final Object element : array) {
        result |= c.remove(element);
    }//from   w  w  w .ja v  a2s.  co m

    return result;
}

From source file:Main.java

public static boolean removeAll(final Collection<? super Byte> c, final byte... array) {
    boolean result = false;

    for (final byte element : array) {
        result |= c.remove(element);
    }/*from w  w w  . j  a  va2  s . co  m*/

    return result;
}

From source file:Main.java

public static boolean removeAll(final Collection<? super Long> c, final long... array) {
    boolean result = false;

    for (final long element : array) {
        result |= c.remove(element);
    }/*from w ww.  j  a va 2 s.  c o  m*/

    return result;
}

From source file:Main.java

public static boolean removeAll(final Collection<? super Integer> c, final int... array) {
    boolean result = false;

    for (final int element : array) {
        result |= c.remove(element);
    }/*from w  w  w .j  a va 2s  .  co  m*/

    return result;
}

From source file:Main.java

public static boolean removeAll(final Collection<? super Short> c, final short... array) {
    boolean result = false;

    for (final short element : array) {
        result |= c.remove(element);
    }//  ww w . j av a  2  s  .  co  m

    return result;
}