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comparison visualizer/Filter/src/com/sun/hotspot/igv/filter/FilterChain.java @ 4512:015fb895586b

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Moved visualizer to new directory.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Tue, 07 Feb 2012 22:41:09 +0100
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4511:6cb549627941 4512:015fb895586b
1 /*
2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24 package com.sun.hotspot.igv.filter;
25
26 import com.sun.hotspot.igv.data.ChangedEvent;
27 import com.sun.hotspot.igv.data.ChangedEventProvider;
28 import com.sun.hotspot.igv.data.ChangedListener;
29 import com.sun.hotspot.igv.graph.Diagram;
30 import java.util.ArrayList;
31 import java.util.Collections;
32 import java.util.List;
33
34 /**
35 *
36 * @author Thomas Wuerthinger
37 */
38 public class FilterChain implements ChangedEventProvider<FilterChain> {
39
40 private List<Filter> filters;
41 private transient ChangedEvent<FilterChain> changedEvent;
42
43 private ChangedListener<Filter> changedListener = new ChangedListener<Filter>() {
44 @Override
45 public void changed(Filter source) {
46 changedEvent.fire();
47 }
48 };
49
50 public FilterChain() {
51 filters = new ArrayList<>();
52 changedEvent = new ChangedEvent<>(this);
53 }
54
55 public FilterChain(FilterChain f) {
56 this.filters = new ArrayList<>(f.filters);
57 changedEvent = new ChangedEvent<>(this);
58 }
59
60 @Override
61 public ChangedEvent<FilterChain> getChangedEvent() {
62 return changedEvent;
63 }
64
65 public Filter getFilterAt(int index) {
66 assert index >= 0 && index < filters.size();
67 return filters.get(index);
68 }
69
70 public void apply(Diagram d) {
71 for (Filter f : filters) {
72 f.apply(d);
73 }
74 }
75
76 public void apply(Diagram d, FilterChain sequence) {
77 List<Filter> applied = new ArrayList<>();
78 for (Filter f : sequence.getFilters()) {
79 if (filters.contains(f)) {
80 f.apply(d);
81 applied.add(f);
82 }
83 }
84
85
86 for (Filter f : filters) {
87 if (!applied.contains(f)) {
88 f.apply(d);
89 }
90 }
91 }
92
93
94 public void addFilter(Filter filter) {
95 assert filter != null;
96 filters.add(filter);
97 filter.getChangedEvent().addListener(changedListener);
98 changedEvent.fire();
99 }
100
101 public boolean containsFilter(Filter filter) {
102 return filters.contains(filter);
103 }
104
105 public void removeFilter(Filter filter) {
106 assert filters.contains(filter);
107 filters.remove(filter);
108 filter.getChangedEvent().removeListener(changedListener);
109 changedEvent.fire();
110 }
111
112 public void moveFilterUp(Filter filter) {
113 assert filters.contains(filter);
114 int index = filters.indexOf(filter);
115 if (index != 0) {
116 filters.remove(index);
117 filters.add(index - 1, filter);
118 }
119 changedEvent.fire();
120 }
121
122 public void moveFilterDown(Filter filter) {
123 assert filters.contains(filter);
124 int index = filters.indexOf(filter);
125 if (index != filters.size() - 1) {
126 filters.remove(index);
127 filters.add(index + 1, filter);
128 }
129 changedEvent.fire();
130 }
131
132 public List<Filter> getFilters() {
133 return Collections.unmodifiableList(filters);
134 }
135 }