Mercurial > hg > release > thermostat-1.2
view storage/core/src/main/java/com/redhat/thermostat/storage/query/LiteralSetExpression.java @ 1660:c6ae78b6f3ac
[Thermostat 1.2] Update copyright year to 2015
Reviewed-by: omajid
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2015-March/013127.html
PR2273
author | Severin Gehwolf <sgehwolf@redhat.com> |
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date | Wed, 11 Mar 2015 15:07:27 +0100 |
parents | 0f2fbbea20bf |
children |
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/* * Copyright 2012-2015 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.storage.query; import java.util.Collections; import java.util.Set; /** * An {@link Expression} that contains a set of values. * @param <T> - the type of this expression's values */ public final class LiteralSetExpression<T> implements Expression { private Set<T> values; private Class<T> type; /** * Constructs a {@link LiteralSetExpression} given a list of values * and its type. * <p> * This constructor exists mainly for JSON serialization, use methods in * {@link ExpressionFactory} instead of this constructor. * @param values - a list of values for this expression * @param type - the type of values of stored in the provided set * (needed for serialization) */ public LiteralSetExpression(Set<T> values, Class<T> type) { // Don't need to write, make read-only copy this.values = Collections.unmodifiableSet(values); this.type = type; } /** * @return the values represented by this expression */ public Set<T> getValues() { return values; } /** * @return the type of values stored in this expression */ public Class<T> getType() { return type; } @Override public boolean equals(Object obj) { boolean result = false; if (obj != null && obj instanceof LiteralSetExpression) { LiteralSetExpression<?> otherExpr = (LiteralSetExpression<?>) obj; result = values.equals(otherExpr.values) && type.equals(otherExpr.type); } return result; } @Override public int hashCode() { return values.hashCode() + type.hashCode(); } @Override public String toString() { return values.toString(); } }