001    /*
002     * Copyright 2010 the original author or authors.
003     * 
004     *  Licensed under the Apache License, Version 2.0 (the "License");
005     *  you may not use this file except in compliance with the License.
006     *  You may obtain a copy of the License at
007     *
008     *      http://www.apache.org/licenses/LICENSE-2.0
009     *
010     *  Unless required by applicable law or agreed to in writing, software
011     *  distributed under the License is distributed on an "AS IS" BASIS,
012     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     *  See the License for the specific language governing permissions and
014     *  limitations under the License.
015     */
016    package com.hs.mail.smtp.spool;
017    
018    /**
019     * 
020     * @author Won Chul Doh
021     * @since Jun 3, 2010
022     * 
023     */
024    public interface Consumer {
025    
026            public final static int CONSUME_SUCCEEDED = 0;
027            public final static int CONSUME_ERROR_FAIL = 1;
028            public final static int CONSUME_ERROR_KEEP = 2;
029            public final static int CONSUME_ERROR_MOVE = 3;
030    
031            public int consume(Watcher watcher, Object stuffs);
032    
033    }