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/**
* TermTools
* Copyright 2014 by Michael Peter Christen
* First released 04.08.2014 at http://yacy.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program in the file lgpl21.txt
* If not, see <http://www.gnu.org/licenses/>.
*/
package net.yacy.cora.federate.solr.logic;
import java.util.List;
/**
* static methods for term comparison, term order, term weights, permutations etc.
*/
public class TermTools {
public static boolean isIn(final Term a, final List<Term> termlist) {
for (Term t: termlist) {
if (a.equals(t)) return true;
}
return false;
}
/*
public static ArrayList<Operations> permutations(final Operations operations) {
List<Term> ops = operations.getOperands();
int os = ops.size();
ArrayList<Operations> permutation = new ArrayList<Operations>();
if (ops.size() < 2) {
permutation.add(operations);
return permutation;
}
Term head = ops.get(0);
ops.remove(0);
ArrayList<Operations> p1 = permutations(operations);
for (Operations pt: p1) {
// insert head into each position from pt
for (int i = 0; i < os; i++) {
}
}
return
}
*/
}
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