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

Introduction

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

Prototype

void clear();

Source Link

Document

Removes all of the elements from this collection (optional operation).

Usage

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();
    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));
        }//from  ww w.j a v  a 2s.c  o m
    }
    return targetBag;
}

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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();
    for (T item : b0) {
        final int count0 = b0.getCount(item);
        final int count1 = b1.getCount(item);
        targetBag.add(item, Math.max(count0, count1));
    }/*w  w w.j  av a  2s  . c om*/
    for (T item : b1) {
        if (!b0.contains(item)) {
            final int count1 = b1.getCount(item);
            targetBag.add(item, count1);
        }
    }
    return targetBag;
}

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