Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
PipelineData |
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| 1.0;1 |
1 | package org.apache.turbine.pipeline; | |
2 | ||
3 | import java.util.Map; | |
4 | ||
5 | ||
6 | /* | |
7 | * Licensed to the Apache Software Foundation (ASF) under one | |
8 | * or more contributor license agreements. See the NOTICE file | |
9 | * distributed with this work for additional information | |
10 | * regarding copyright ownership. The ASF licenses this file | |
11 | * to you under the Apache License, Version 2.0 (the | |
12 | * "License"); you may not use this file except in compliance | |
13 | * with the License. You may obtain a copy of the License at | |
14 | * | |
15 | * http://www.apache.org/licenses/LICENSE-2.0 | |
16 | * | |
17 | * Unless required by applicable law or agreed to in writing, | |
18 | * software distributed under the License is distributed on an | |
19 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
20 | * KIND, either express or implied. See the License for the | |
21 | * specific language governing permissions and limitations | |
22 | * under the License. | |
23 | */ | |
24 | ||
25 | ||
26 | /** | |
27 | * <p>A <b>PipelineData</b> is a holder for data being passed from one | |
28 | * Valve to the next. | |
29 | * The detailed contract for a Valve is included in the description of | |
30 | * the <code>invoke()</code> method below.</p> | |
31 | * | |
32 | * <b>HISTORICAL NOTE</b>: The "PipelineData" name was assigned to this | |
33 | * holder as it functions similarly to the RunData object, but without | |
34 | * the additional methods | |
35 | * | |
36 | * @author <a href="mailto:epugh@opensourceconnections.com">Eric Pugh</a> | |
37 | * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a> | |
38 | */ | |
39 | public interface PipelineData | |
40 | { | |
41 | /** | |
42 | * Put a configured map of objects into the pipeline data object | |
43 | * | |
44 | * @param name the key class | |
45 | * @param value the value map | |
46 | */ | |
47 | public void put(Class<?> name, Map<Class<?>, ? super Object> value); | |
48 | ||
49 | /** | |
50 | * Get the configured map of objects for the given key | |
51 | * | |
52 | * @param name the key class | |
53 | * @return the value map or null if no such key exists | |
54 | */ | |
55 | public Map<Class<?>, ? super Object> get(Class<?> name); | |
56 | ||
57 | /** | |
58 | * Get a value from the configured map of objects for the given keys | |
59 | * | |
60 | * @param key the key class | |
61 | * @param innerKey the key into the value map | |
62 | * | |
63 | * @param <T> the type of the inner key | |
64 | * | |
65 | * @return the inner value or null if no such keys exist | |
66 | */ | |
67 | public <T> T get(Class<?> key, Class<T> innerKey); | |
68 | } |