Example usage for org.apache.commons.collections ComparatorUtils chainedComparator

Introduction

In this page you can find the example usage for org.apache.commons.collections ComparatorUtils chainedComparator.

Prototype

public static Comparator chainedComparator(Collection comparators) 

Source Link

Document

Gets a comparator that compares using a collection of Comparator s, applied in (default iterator) sequence until one returns not equal or the collection is exhausted.

Usage

From source file:com.egt.ejb.toolkit.ColUtils.java

public static <T> Collection<T> sort(Collection<T> collection, Comparator<T>... comparators) {
    Comparator<T> comparator = ComparatorUtils.chainedComparator(comparators);
    if (collection instanceof List) {
        List<T> list = (List<T>) collection;
        Collections.sort(list, comparator);
    }/*from   w w w. j  ava2s  .c o m*/
    return collection;
}

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From source file:adalid.commons.util.ColUtils.java

@SuppressWarnings("unchecked") // unchecked cast
public static <T> Collection<T> sort(Collection<T> collection, Comparator<T>... comparators) {
    if (collection instanceof List && !collection.isEmpty() && comparators != null) {
        List<T> list = (List<T>) collection;
        Comparator<T> comparator = (Comparator<T>) ComparatorUtils.chainedComparator(comparators); // unchecked cast
        Collections.sort(list, comparator);
    }//from w  w w  . ja va 2 s .c  om
    return collection;
}

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From source file:ips1ap101.lib.base.util.ColUtils.java

@SuppressWarnings("unchecked") // unchecked cast
public static <T> Collection<T> sort(Collection<T> collection, Comparator<T>... comparators) {
    if (collection instanceof List && !collection.isEmpty() && comparators != null) {
        List<T> list = (List<T>) collection;
        Comparator<T> comparator = (Comparator<T>) ComparatorUtils.chainedComparator(comparators); // unchecked cast
        //          Collections.sort(list, comparator);
        wolfgangFahlSort(list, comparator);
    }//from  w  ww .  ja v a 2  s  .c  o  m
    return collection;
}

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From source file:com.redhat.rhn.domain.channel.ReleaseChannelMap.java

/**
 * compare to ReleaseChannelMap/*from   w w  w. j a  v  a2s  . co m*/
 * @param o the other object
 * @return the compare return
 */
public int compareTo(ReleaseChannelMap o) {
    List<Comparator> compar = new ArrayList<Comparator>();

    compar.add(new DynamicComparator("channel", true));
    compar.add(new DynamicComparator("channelArch", true));
    compar.add(new DynamicComparator("product", true));
    compar.add(new DynamicComparator("version", true));
    compar.add(new DynamicComparator("release", true));

    Comparator com = ComparatorUtils.chainedComparator((Comparator[]) compar.toArray());
    return com.compare(this, o);
}

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From source file:org.apache.cayenne.query.Ordering.java

/**
 * Orders a given list of objects, using a List of Orderings applied
 * according the default iteration order of the Orderings list. I.e. each
 * Ordering with lower index is more significant than any other Ordering
 * with higher index. List being ordered is modified in place.
 *
 * @param objects elements to sort/*from  w w  w. ja  v  a2 s .c  om*/
 * @param orderings list of Orderings to be applied
 */
@SuppressWarnings("unchecked")
public static void orderList(List<?> objects, List<? extends Ordering> orderings) {
    Collections.sort(objects, ComparatorUtils.chainedComparator(orderings));
}

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From source file:org.objectstyle.cayenne.query.Ordering.java

/**
 * Orders a given list of objects, using a List of Orderings
 * applied according the default iteration order of the Orderings list. 
 * I.e. each Ordering with lower index is more significant than any other
 * Ordering with higer index. List being ordered is modified in place.
 *///from w  ww .j  a  va  2  s . co m
public static void orderList(List objects, List orderings) {
    Collections.sort(objects, ComparatorUtils.chainedComparator(orderings));
}

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