mirror of https://github.com/apache/cloudstack.git
276 lines
10 KiB
Java
276 lines
10 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.domain.dao;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import javax.ejb.Local;
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import org.apache.log4j.Logger;
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import com.cloud.domain.Domain;
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import com.cloud.domain.DomainVO;
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import com.cloud.utils.db.DB;
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import com.cloud.utils.db.GenericDaoBase;
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import com.cloud.utils.db.GlobalLock;
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import com.cloud.utils.db.SearchBuilder;
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import com.cloud.utils.db.SearchCriteria;
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import com.cloud.utils.db.Transaction;
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@Local(value={DomainDao.class})
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public class DomainDaoImpl extends GenericDaoBase<DomainVO, Long> implements DomainDao {
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private static final Logger s_logger = Logger.getLogger(DomainDaoImpl.class);
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protected SearchBuilder<DomainVO> DomainNameLikeSearch;
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protected SearchBuilder<DomainVO> ParentDomainNameLikeSearch;
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protected SearchBuilder<DomainVO> DomainPairSearch;
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protected SearchBuilder<DomainVO> ImmediateChildDomainSearch;
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protected SearchBuilder<DomainVO> FindAllChildrenSearch;
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protected SearchBuilder<DomainVO> AllFieldsSearch;
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public DomainDaoImpl () {
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DomainNameLikeSearch = createSearchBuilder();
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DomainNameLikeSearch.and("name", DomainNameLikeSearch.entity().getName(), SearchCriteria.Op.LIKE);
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DomainNameLikeSearch.done();
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ParentDomainNameLikeSearch = createSearchBuilder();
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ParentDomainNameLikeSearch.and("name", ParentDomainNameLikeSearch.entity().getName(), SearchCriteria.Op.LIKE);
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ParentDomainNameLikeSearch.and("parent", ParentDomainNameLikeSearch.entity().getName(), SearchCriteria.Op.EQ);
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ParentDomainNameLikeSearch.done();
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DomainPairSearch = createSearchBuilder();
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DomainPairSearch.and("id", DomainPairSearch.entity().getId(), SearchCriteria.Op.IN);
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DomainPairSearch.done();
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ImmediateChildDomainSearch = createSearchBuilder();
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ImmediateChildDomainSearch.and("parent", ImmediateChildDomainSearch.entity().getParent(), SearchCriteria.Op.EQ);
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ImmediateChildDomainSearch.done();
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FindAllChildrenSearch = createSearchBuilder();
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FindAllChildrenSearch.and("path", FindAllChildrenSearch.entity().getPath(), SearchCriteria.Op.LIKE);
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FindAllChildrenSearch.and("id", FindAllChildrenSearch.entity().getId(), SearchCriteria.Op.NEQ);
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FindAllChildrenSearch.done();
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AllFieldsSearch = createSearchBuilder();
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AllFieldsSearch.and("name", AllFieldsSearch.entity().getName(), SearchCriteria.Op.EQ);
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AllFieldsSearch.and("state", AllFieldsSearch.entity().getState(), SearchCriteria.Op.EQ);
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AllFieldsSearch.and("owner", AllFieldsSearch.entity().getAccountId(), SearchCriteria.Op.EQ);
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AllFieldsSearch.and("path", AllFieldsSearch.entity().getPath(), SearchCriteria.Op.EQ);
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AllFieldsSearch.and("parent", AllFieldsSearch.entity().getParent(), SearchCriteria.Op.EQ);
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AllFieldsSearch.done();
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}
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private static String allocPath(DomainVO parentDomain, String name) {
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String parentPath = parentDomain.getPath();
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return parentPath + name + "/";
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}
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@Override
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public synchronized DomainVO create(DomainVO domain) {
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// make sure domain name is valid
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String domainName = domain.getName();
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if (domainName != null) {
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if (domainName.contains("/")) {
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throw new IllegalArgumentException("Domain name contains one or more invalid characters. Please enter a name without '/' characters.");
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}
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} else {
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throw new IllegalArgumentException("Domain name is null. Please specify a valid domain name.");
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}
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long parent = DomainVO.ROOT_DOMAIN;
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if(domain.getParent() != null && domain.getParent().longValue() >= DomainVO.ROOT_DOMAIN) {
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parent = domain.getParent().longValue();
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}
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DomainVO parentDomain = findById(parent);
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if(parentDomain == null) {
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s_logger.error("Unable to load parent domain: " + parent);
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return null;
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}
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Transaction txn = Transaction.currentTxn();
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try {
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txn.start();
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parentDomain = this.lockRow(parent, true);
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if(parentDomain == null) {
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s_logger.error("Unable to lock parent domain: " + parent);
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return null;
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}
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domain.setPath(allocPath(parentDomain, domain.getName()));
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domain.setLevel(parentDomain.getLevel() + 1);
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parentDomain.setNextChildSeq(parentDomain.getNextChildSeq() + 1); // FIXME: remove sequence number?
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parentDomain.setChildCount(parentDomain.getChildCount() + 1);
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persist(domain);
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update(parentDomain.getId(), parentDomain);
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txn.commit();
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return domain;
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} catch(Exception e) {
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s_logger.error("Unable to create domain due to " + e.getMessage(), e);
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txn.rollback();
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return null;
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}
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}
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@Override
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@DB
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public boolean remove(Long id) {
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// check for any active users / domains assigned to the given domain id and don't remove the domain if there are any
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if (id != null && id.longValue() == DomainVO.ROOT_DOMAIN) {
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s_logger.error("Can not remove domain " + id + " as it is ROOT domain");
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return false;
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}
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DomainVO domain = findById(id);
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if(domain == null) {
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s_logger.error("Unable to remove domain as domain " + id + " no longer exists");
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return false;
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}
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if(domain.getParent() == null) {
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s_logger.error("Invalid domain " + id + ", orphan?");
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return false;
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}
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String sql = "SELECT * from account where domain_id = " + id + " and removed is null";
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String sql1 = "SELECT * from domain where parent = " + id + " and removed is null";
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boolean success = false;
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Transaction txn = Transaction.currentTxn();
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try {
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txn.start();
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DomainVO parentDomain = super.lockRow(domain.getParent(), true);
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if(parentDomain == null) {
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s_logger.error("Unable to load parent domain: " + domain.getParent());
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return false;
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}
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PreparedStatement stmt = txn.prepareAutoCloseStatement(sql);
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ResultSet rs = stmt.executeQuery();
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if (rs.next()) {
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return false;
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}
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stmt = txn.prepareAutoCloseStatement(sql1);
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rs = stmt.executeQuery();
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if (rs.next()) {
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return false;
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}
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parentDomain.setChildCount(parentDomain.getChildCount() - 1);
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update(parentDomain.getId(), parentDomain);
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success = super.remove(id);
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txn.commit();
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} catch (SQLException ex) {
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success = false;
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s_logger.error("error removing domain: " + id, ex);
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txn.rollback();
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}
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return success;
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}
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@Override
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public DomainVO findDomainByPath(String domainPath) {
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SearchCriteria<DomainVO> sc = createSearchCriteria();
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sc.addAnd("path", SearchCriteria.Op.EQ, domainPath);
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return findOneBy(sc);
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}
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@Override
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public DomainVO findImmediateChildForParent(Long parentId){
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SearchCriteria<DomainVO> sc = ImmediateChildDomainSearch.create();
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sc.setParameters("parent", parentId);
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return (listBy(sc).size() > 0 ? listBy(sc).get(0) : null);//may need to revisit for multiple children case
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}
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@Override
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public List<DomainVO> findImmediateChildrenForParent(Long parentId){
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SearchCriteria<DomainVO> sc = ImmediateChildDomainSearch.create();
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sc.setParameters("parent", parentId);
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return listBy(sc);
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}
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@Override
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public List<DomainVO> findAllChildren(String path, Long parentId){
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SearchCriteria<DomainVO> sc = FindAllChildrenSearch.create();
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sc.setParameters("path", "%"+path+"%");
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sc.setParameters("id", parentId);
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return listBy(sc);
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}
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@Override
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public boolean isChildDomain(Long parentId, Long childId) {
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if ((parentId == null) || (childId == null)) {
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return false;
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}
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if (parentId.equals(childId)) {
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return true;
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}
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boolean result = false;
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SearchCriteria<DomainVO> sc = DomainPairSearch.create();
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sc.setParameters("id", parentId, childId);
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List<DomainVO> domainPair = listBy(sc);
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if ((domainPair != null) && (domainPair.size() == 2)) {
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DomainVO d1 = domainPair.get(0);
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DomainVO d2 = domainPair.get(1);
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if (d1.getId() == parentId) {
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result = d2.getPath().startsWith(d1.getPath());
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} else {
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result = d1.getPath().startsWith(d2.getPath());
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}
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}
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return result;
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}
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@Override
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public List<DomainVO> findInactiveDomains() {
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SearchCriteria<DomainVO> sc = AllFieldsSearch.create();
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sc.setParameters("state", Domain.State.Inactive);
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return listBy(sc);
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}
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@Override
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public Set<Long> getDomainParentIds(long domainId) {
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Set<Long> parentDomains = new HashSet<Long>();
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Domain domain = findById(domainId);
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parentDomains.add(domain.getId());
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while (domain.getParent() != null) {
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domain = findById(domain.getParent());
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parentDomains.add(domain.getId());
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}
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return parentDomains;
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}
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}
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