Mercurial > hg > release > thermostat-1.2
view storage/core/src/main/java/com/redhat/thermostat/storage/core/experimental/statement/BeanAdapterBuilder.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> |
---|---|
date | Wed, 11 Mar 2015 15:07:27 +0100 |
parents | f2a417f1cc51 |
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.core.experimental.statement; import com.redhat.thermostat.storage.core.Category; import com.redhat.thermostat.storage.model.Pojo; import java.util.ArrayList; import java.util.List; /** * */ public class BeanAdapterBuilder<T extends Pojo> { private Class<T> target; private BeanAdapter<T> adapter; private List<Query<T>> queries; public BeanAdapterBuilder(Class<T> target, List<Query<T>> queries) { this.target = target; this.queries = queries; } public BeanAdapterBuilder(Class<T> target, Query<T> query) { this(target, new ArrayList<Query<T>>()); queries.add(query); } public BeanAdapter<T> build() { try { Category<T> category = new CategoryBuilder<>(target).build(); List<FieldDescriptor> fieldDescriptors = StatementUtils.createDescriptors(target); adapter = new BeanAdapter<>(); adapter.setCategory(category); adapter.setFieldDescriptors(fieldDescriptors); createInsert(fieldDescriptors); createQueries(); return adapter; } catch (Throwable t) { throw new RuntimeException(t); } } protected void createQueries() { for (Query<T> query : queries) { createQuery(query); } } private void createQuery(Query<T> query) { List<Criterion> queryDescriptors = query.describe(); QueryEngine engine = new QueryEngine(); engine.prologue(adapter.getCategory()); for (Criterion criterion : queryDescriptors) { if (criterion instanceof WhereCriterion) { WhereCriterion where = (WhereCriterion) criterion; engine.add(where.getFieldDescriptor(), where.getCriteria()); } else if (criterion instanceof SortCriterion) { SortCriterion sort = (SortCriterion) criterion; engine.sort(sort.getFieldDescriptor(), sort.getCriteria()); } else if (criterion instanceof LimitCriterion) { engine.limit(); } } adapter.addStatement(query.getId(), engine.build()); adapter.addQuery(query.getId(), query); } protected void createInsert(List<FieldDescriptor> descriptors) { InsertEngine engine = new InsertEngine(); engine.prologue(adapter.getCategory()); for (FieldDescriptor descriptor : descriptors) { engine.add(descriptor); } adapter.addStatement(BeanAdapter.INSERT, engine.build()); } }