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61 lines
2.0 KiB
61 lines
2.0 KiB
// disorderSet.java
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// -----------------------
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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// last major change: 17.05.2004
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package de.anomic.tools;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Set;
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public class disorderSet extends HashSet<String> implements Set<String> {
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private static final long serialVersionUID = 1L;
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disorderHeap dh;
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public disorderSet() {
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super();
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dh = null;
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}
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public boolean hasAny() {
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return (this.size() > 0);
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}
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public String any() {
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// return just any element
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if ((dh == null) || (dh.size() == 0)) {
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if (this.size() == 0) return null;
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// fill up the queue
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dh = new disorderHeap();
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final Iterator<String> elements = this.iterator();
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while (elements.hasNext()) dh.add(elements.next());
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}
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return dh.remove();
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}
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public static void main(final String[] args) {
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final disorderSet ds = new disorderSet();
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for (int i = 0; i < args.length; i++) ds.add(args[i]);
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for (int i = 0; i < args.length * 3; i++) System.out.print(ds.any() + " ");
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System.out.println();
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}
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} |