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Java > Open Source Codes > org > apache > cocoon > caching > validity > EventFactory


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.cocoon.caching.validity;
17
18 import org.apache.avalon.framework.parameters.ParameterException;
19 import org.apache.avalon.framework.parameters.Parameters;
20
21 /**
22  * Event creation.
23  */
24 public interface EventFactory {
25
26     /**
27      * Create an event based on parameter values.
28      *
29      * @param params arguments to the newly created event.
30      * @return newly created Event
31      * @throws ParameterException if required parameters are missing.
32      */
33     public Event createEvent(Parameters params) throws ParameterException;
34
35 }
36
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