MemoryQueue.java
- /*
- * Copyright (c) 2002-2022, City of Paris
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice
- * and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice
- * and the following disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- * License 1.0
- */
- package fr.paris.lutece.portal.service.mail;
- import java.util.ArrayList;
- import java.util.List;
- import org.apache.commons.collections.CollectionUtils;
- /**
- * MemoryQueue
- */
- public class MemoryQueue implements IMailQueue
- {
- private List<MailItem> _listMails = new ArrayList<>( );
- /**
- * Put a mail item into the list of the queue
- *
- * @param item
- * The mail item to add to the queue
- */
- public void send( MailItem item )
- {
- synchronized( _listMails )
- {
- _listMails.add( item );
- }
- }
- /**
- * Get a mail item from the list and remove it from the queue
- *
- * @return The older mail item of the queue
- */
- public MailItem consume( )
- {
- MailItem item = null;
- synchronized( _listMails )
- {
- if ( CollectionUtils.isNotEmpty( _listMails ) )
- {
- item = _listMails.get( 0 );
- _listMails.remove( 0 );
- }
- }
- return item;
- }
- /**
- * get the MemoryQueue size
- *
- * @return the MemoryQueue size
- */
- public int size( )
- {
- return _listMails.size( );
- }
- }