Mercurial > hg > release > thermostat-0.15
view storage/mongo/src/main/java/com/redhat/thermostat/storage/mongodb/internal/MongoUpdate.java @ 1239:cd020319d8ed
PR1524: DB write operations should return int on apply().
Reviewed-by: omajid
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-August/008021.html
author | Severin Gehwolf <sgehwolf@redhat.com> |
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date | Fri, 23 Aug 2013 17:08:35 +0200 |
parents | 2e71b9784316 |
children |
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/* * Copyright 2012, 2013 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.mongodb.internal; import com.mongodb.BasicDBObject; import com.mongodb.DBObject; import com.redhat.thermostat.storage.core.Category; import com.redhat.thermostat.storage.core.Key; import com.redhat.thermostat.storage.core.Update; import com.redhat.thermostat.storage.model.Pojo; import com.redhat.thermostat.storage.query.Expression; class MongoUpdate<T extends Pojo> implements Update<T> { private static final String SET_MODIFIER = "$set"; private MongoStorage storage; private DBObject query; private DBObject values; private Category<?> category; private MongoExpressionParser parser; public MongoUpdate(MongoStorage storage, Category<?> category) { this(storage, category, new MongoExpressionParser()); } MongoUpdate(MongoStorage storage, Category<?> category, MongoExpressionParser parser) { this.storage = storage; this.category = category; this.parser = parser; } Category<?> getCategory() { return category; } @Override public void where(Expression expr) { query = parser.parse(expr); } DBObject getQuery() { return query; } @Override public <S> void set(Key<S> key, S value) { if (values == null) { values = new BasicDBObject(); } values.put(key.getName(), value); } DBObject getValues() { return new BasicDBObject(SET_MODIFIER, values); } @Override public int apply() { return storage.updatePojo(this); } }