org.jasig.ssp.dao.MessageDao.java Source code

Java tutorial

Introduction

Here is the source code for org.jasig.ssp.dao.MessageDao.java

Source

/**
 * Licensed to Apereo under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Apereo 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 the following location:
 *
 *   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.jasig.ssp.dao;

import java.util.Calendar;
import java.util.Date;
import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.criterion.Restrictions;
import org.jasig.ssp.model.Message;
import org.jasig.ssp.service.impl.MessageServiceImpl;
import org.jasig.ssp.service.reference.ConfigService;
import org.jasig.ssp.util.sort.PagingWrapper;
import org.jasig.ssp.util.sort.SortDirection;
import org.jasig.ssp.util.sort.SortingAndPaging;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

/**
 * DAO for the {@link Message} model
 */
@Repository
public class MessageDao extends AbstractAuditableCrudDao<Message> implements AuditableCrudDao<Message> {

    @Autowired
    private transient ConfigService configService;

    /**
     * Constructor that initializes the instance with the specific class types
     * for super class method use.
     */
    public MessageDao() {
        super(Message.class);
    }

    private static final Logger LOGGER = LoggerFactory.getLogger(MessageDao.class);

    /**
     * Return messages that have not been sent, up to the specified maximum
     * 
     * @return Returns up to <code>batchSize</code> messages that have not been
     *   sent.
     */
    @SuppressWarnings(UNCHECKED)
    public List<Message> queued(int batchSize) {
        return sessionFactory.getCurrentSession()
                .createQuery("from Message where sentDate is null order by createdDate").setMaxResults(batchSize)
                .list();
    }

    public PagingWrapper<Message> queued(SortingAndPaging sAndP) {
        int retryConfig = configService.getByNameExceptionOrDefaultAsInt("mail_delivery_retry_limit");
        // will let the caller decide on object status filtering, but since
        // this method is supposed to act like a queue, at least make sure
        // it acts that way by default.
        if (!(sAndP.isSorted()) && !(sAndP.isDefaultSorted())) {
            sAndP.appendSortField("createdDate", SortDirection.ASC);
        }
        // cannot use createCriteria(sAndP) b/c that applies the sort order
        // immediately, which breaks the 'select count()' that runs as part
        // of the query pagination mechanism. The sort order will be applied
        // to the criteria as part of processCriteriaWithSortingAndPaging()
        // below.
        Criteria criteria = this.createCriteria();
        criteria.add(Restrictions.isNull("sentDate"));
        criteria.add(
                Restrictions.or(Restrictions.isNull("retryCount"), Restrictions.lt("retryCount", retryConfig)));
        return processCriteriaWithStatusSortingAndPaging(criteria, sAndP);
    }

    public int archiveAndPruneMessages(Integer messageAgeInDays) {
        Calendar date = Calendar.getInstance();
        date.add(Calendar.DAY_OF_MONTH, messageAgeInDays * -1);
        String hql = "INSERT INTO ArchivedMessage(id,createdDate, createdBy,modifiedDate, modifiedBy, objectStatus,subject,  body,  sender, recipient,  recipientEmailAddress,  "
                + "carbonCopy,    sentToAddresses,  sentCcAddresses,    sentBccAddresses,  sentFromAddress, sentReplyToAddress,  sentDate) "
                + "SELECT id,createdDate, createdBy,modifiedDate, modifiedBy,objectStatus,subject,  body,  sender, recipient,  recipientEmailAddress,  "
                + "carbonCopy,    sentToAddresses,  sentCcAddresses,    sentBccAddresses,  sentFromAddress, sentReplyToAddress,  sentDate FROM Message msg"
                + " Where createdDate < :date and id not in (select message.id from TaskMessageEnqueue)";

        int executedInsert = createHqlQuery(hql).setDate("date", date.getTime()).executeUpdate();
        String deleteHql = "delete from Message where createdDate < :date and id not in (select message.id from TaskMessageEnqueue)";
        int executedDelete = createHqlQuery(deleteHql).setDate("date", date.getTime()).executeUpdate();
        if (executedInsert != executedDelete) {
            throw new RuntimeException(
                    "Number of messages being archived and deleted are not equal, so transaction is being rolled back");
        }
        return executedInsert;
    }
}