Example usage for org.apache.commons.collections15 Bag add

Introduction

In this page you can find the example usage for org.apache.commons.collections15 Bag add.

Prototype

boolean add(E object, int nCopies);

Source Link

Document

Adds nCopies copies of the specified object to the Bag.

Usage

From source file:de.dhke.projects.cutil.collections.BagUtil.java

public static <T> Bag<T> unionBags(final Bag<T> b0, final Bag<T> b1, final Bag<T> targetBag) {
    targetBag.clear();/* www .j a  v a  2s . c o m*/
    for (T item : b0) {
        final int count0 = b0.getCount(item);
        final int count1 = b1.getCount(item);
        targetBag.add(item, Math.max(count0, count1));
    }
    for (T item : b1) {
        if (!b0.contains(item)) {
            final int count1 = b1.getCount(item);
            targetBag.add(item, count1);
        }
    }
    return targetBag;
}

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From source file:de.dhke.projects.cutil.collections.BagUtil.java

public static <T> Bag<T> intersectBags(final Bag<T> b0, final Bag<T> b1, final Bag<T> targetBag) {
    targetBag.clear();/*from w  ww .jav  a  2s  . c  om*/
    for (T item : b0) {
        final int count0 = b0.getCount(item);
        final int count1 = b1.getCount(item);
        if ((count0 > 0) && (count1 > 0)) {
            targetBag.add(item, Math.min(count0, count1));
        }
    }
    return targetBag;
}

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From source file:mulavito.utils.BagUtil.java

/**
 * Set the counter of the given entry in the given set.
 * /*from w w  w .  ja  va  2  s .  co m*/
 * @param bag
 *            The bag to modify
 * @param entry
 *            The entry whose counter is set
 * @param count
 *            The new non-negative counter value
 */
public static <T> void setCount(Bag<T> bag, T entry, int count) {
    if (bag == null)
        throw new IllegalArgumentException();
    else if (count < 0)
        throw new IllegalArgumentException();

    int oldCount = bag.getCount(entry);

    if (count > oldCount)
        bag.add(entry, count - oldCount);
    else if (count < oldCount)
        bag.remove(entry, oldCount - count);
}

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