mirror of https://github.com/apache/cloudstack.git
128 lines
4.2 KiB
Java
128 lines
4.2 KiB
Java
/**
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* Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
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*
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* This software is licensed under the GNU General Public License v3 or later.
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*
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* It 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 3 of the License, or any later version.
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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package com.cloud.dao;
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import java.io.Serializable;
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import java.util.List;
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import java.util.Map;
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import javax.ejb.Local;
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import javax.naming.ConfigurationException;
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import net.sf.ehcache.Cache;
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import com.cloud.utils.component.Manager;
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import com.cloud.utils.db.GenericDao;
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import com.cloud.utils.db.GenericDaoBase;
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import com.cloud.utils.db.GenericSearchBuilder;
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import com.cloud.utils.db.SearchBuilder;
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import com.cloud.utils.db.SearchCriteria;
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@Local(value=EntityManager.class)
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@SuppressWarnings("unchecked")
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public class EntityManagerImpl implements EntityManager, Manager {
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String _name;
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Cache _cache;
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@Override
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public <T, K extends Serializable> T findById(Class<T> entityType, K id) {
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GenericDao<? extends T, K> dao = (GenericDao<? extends T, K>)GenericDaoBase.getDao(entityType);
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return dao.findById(id);
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}
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@Override
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public <T> T findByXid(Class<T> entityType, String xid) {
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return null;
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}
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@Override
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public <T> List<? extends T> list(Class<T> entityType) {
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GenericDao<? extends T, ? extends Serializable> dao = GenericDaoBase.getDao(entityType);
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return dao.listAll();
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}
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@Override
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public <T> T persist(T t) {
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GenericDao<T, ? extends Serializable> dao = (GenericDao<T, ? extends Serializable>)GenericDaoBase.getDao((Class<T>)t.getClass());
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return dao.persist(t);
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}
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@Override
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public <T> SearchBuilder<T> createSearchBuilder(Class<T> entityType) {
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GenericDao<T, ? extends Serializable> dao = (GenericDao<T, ? extends Serializable>)GenericDaoBase.getDao(entityType);
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return dao.createSearchBuilder();
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}
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@Override
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public <T, K> GenericSearchBuilder<T, K> createGenericSearchBuilder(Class<T> entityType, Class<K> resultType) {
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GenericDao<T, ? extends Serializable> dao = (GenericDao<T, ? extends Serializable>)GenericDaoBase.getDao(entityType);
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return dao.createSearchBuilder((Class<K>)resultType.getClass());
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}
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@Override
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public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
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_name = name;
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/*
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String threadId = Long.toString(Thread.currentThread().getId());
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CacheManager cm = CacheManager.create();
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_cache = cm.getCache(threadId);
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if (_cache == null) {
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int maxElements = NumbersUtil.parseInt((String)params.get("cache.size"), 100);
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int live = NumbersUtil.parseInt((String)params.get("cache.time.to.live"), 300);
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int idle = NumbersUtil.parseInt((String)params.get("cache.time.to.idle"), 300);
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_cache = new Cache(threadId, maxElements, false, live == -1, live == -1 ? Integer.MAX_VALUE : live, idle);
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cm.addCache(_cache);
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}*/
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return true;
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}
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@Override
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public boolean start() {
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return true;
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}
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@Override
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public boolean stop() {
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return true;
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}
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@Override
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public String getName() {
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return _name;
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}
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@Override
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public <T, K> List<K> search(Class<T> entityType, SearchCriteria<K> sc) {
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GenericDao<T, ? extends Serializable> dao = (GenericDao<T, ? extends Serializable>)GenericDaoBase.getDao(entityType);
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return dao.customSearch(sc, null);
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}
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@Override
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public <T, K extends Serializable> void remove(Class<T> entityType, K id) {
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GenericDao<T, K> dao = (GenericDao<T, K>)GenericDaoBase.getDao(entityType);
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dao.remove(id);
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}
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}
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