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From jburwell <...@git.apache.org>
Subject [GitHub] cloudstack pull request: Quota master
Date Thu, 20 Aug 2015 21:17:55 GMT
Github user jburwell commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/689#discussion_r37582377
  
    --- Diff: framework/quota/src/org/apache/cloudstack/quota/dao/QuotaBalanceDaoImpl.java
---
    @@ -0,0 +1,201 @@
    +//Licensed to the Apache Software Foundation (ASF) under one
    +//or more contributor license agreements.  See the NOTICE file
    +//distributed with this work for additional information
    +//regarding copyright ownership.  The ASF licenses this file
    +//to you under the Apache License, Version 2.0 (the
    +//"License"); you may not use this file except in compliance
    +//with the License.  You may obtain a copy of the License at
    +//
    +//http://www.apache.org/licenses/LICENSE-2.0
    +//
    +//Unless required by applicable law or agreed to in writing,
    +//software distributed under the License is distributed on an
    +//"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    +//KIND, either express or implied.  See the License for the
    +//specific language governing permissions and limitations
    +//under the License.
    +package org.apache.cloudstack.quota.dao;
    +
    +import java.math.BigDecimal;
    +import java.util.ArrayList;
    +import java.util.Date;
    +import java.util.Iterator;
    +import java.util.List;
    +
    +import javax.ejb.Local;
    +
    +import org.springframework.stereotype.Component;
    +import org.apache.cloudstack.quota.vo.QuotaBalanceVO;
    +import org.apache.log4j.Logger;
    +
    +import com.cloud.exception.InvalidParameterValueException;
    +import com.cloud.utils.db.Filter;
    +import com.cloud.utils.db.GenericDaoBase;
    +import com.cloud.utils.db.SearchCriteria;
    +import com.cloud.utils.db.TransactionLegacy;
    +
    +@Component
    +@Local(value = { QuotaBalanceDao.class })
    +public class QuotaBalanceDaoImpl extends GenericDaoBase<QuotaBalanceVO, Long> implements
QuotaBalanceDao {
    +    private static final Logger s_logger = Logger.getLogger(QuotaBalanceDaoImpl.class.getName());
    +
    +    @SuppressWarnings("deprecation")
    +    @Override
    +    public QuotaBalanceVO findLastBalanceEntry(final long accountId, final long domainId,
final Date beforeThis) {
    +        final short opendb = TransactionLegacy.currentTxn().getDatabaseId();
    +        TransactionLegacy.open(TransactionLegacy.USAGE_DB).close();
    +        Filter filter = new Filter(QuotaBalanceVO.class, "updatedOn", false, 0L, 1L);
    +        SearchCriteria<QuotaBalanceVO> sc = createSearchCriteria();
    +        sc.addAnd("accountId", SearchCriteria.Op.EQ, accountId);
    +        sc.addAnd("domainId", SearchCriteria.Op.EQ, domainId);
    +        sc.addAnd("creditsId", SearchCriteria.Op.EQ, 0);
    +        sc.addAnd("updatedOn", SearchCriteria.Op.LT, beforeThis);
    +        List<QuotaBalanceVO> quotab = this.search(sc, filter);
    +        TransactionLegacy.open(opendb).close();
    +        return quotab.size() > 0 ? quotab.get(0) : null;
    +    }
    +
    +    @SuppressWarnings("deprecation")
    +    @Override
    +    public QuotaBalanceVO findLaterBalanceEntry(final long accountId, final long domainId,
final Date afterThis) {
    +        final short opendb = TransactionLegacy.currentTxn().getDatabaseId();
    +        TransactionLegacy.open(TransactionLegacy.USAGE_DB).close();
    +        Filter filter = new Filter(QuotaBalanceVO.class, "updatedOn", true, 0L, 1L);
    +        SearchCriteria<QuotaBalanceVO> sc = createSearchCriteria();
    +        sc.addAnd("accountId", SearchCriteria.Op.EQ, accountId);
    +        sc.addAnd("domainId", SearchCriteria.Op.EQ, domainId);
    +        sc.addAnd("creditsId", SearchCriteria.Op.EQ, 0);
    +        sc.addAnd("updatedOn", SearchCriteria.Op.GT, afterThis);
    +        List<QuotaBalanceVO> quotab = this.search(sc, filter);
    +        TransactionLegacy.open(opendb).close();
    +        return quotab.size() > 0 ? quotab.get(0) : null;
    +    }
    +
    +    @Override
    +    public void saveQuotaBalance(final List<QuotaBalanceVO> credits) {
    +        final short opendb = TransactionLegacy.currentTxn().getDatabaseId();
    +        TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.USAGE_DB);
    +        try {
    +            for (QuotaBalanceVO credit : credits) {
    +                persist(credit);
    +            }
    +        } finally {
    +            txn.close();
    +        }
    +        TransactionLegacy.open(opendb).close();
    +    }
    +
    +    @SuppressWarnings("deprecation")
    +    @Override
    +    public List<QuotaBalanceVO> findCreditBalance(final long accountId, final long
domainId, final Date lastbalancedate, final Date beforeThis) {
    +        final short opendb = TransactionLegacy.currentTxn().getDatabaseId();
    +        TransactionLegacy.open(TransactionLegacy.USAGE_DB).close();
    +        Filter filter = new Filter(QuotaBalanceVO.class, "updatedOn", true, 0L, Long.MAX_VALUE);
    +        SearchCriteria<QuotaBalanceVO> sc = createSearchCriteria();
    +        sc.addAnd("accountId", SearchCriteria.Op.EQ, accountId);
    +        sc.addAnd("domainId", SearchCriteria.Op.EQ, domainId);
    +        sc.addAnd("creditsId", SearchCriteria.Op.GT, 0);
    +        if ((lastbalancedate != null) && (beforeThis != null) && lastbalancedate.before(beforeThis))
{
    +            sc.addAnd("updatedOn", SearchCriteria.Op.BETWEEN, lastbalancedate, beforeThis);
    +        } else {
    +            return new ArrayList<QuotaBalanceVO>();
    +        }
    +        List<QuotaBalanceVO> qb = search(sc, filter);
    +        TransactionLegacy.open(opendb).close();
    --- End diff --
    
    See previous comments regarding apparently needless open/close of a database transaction.


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