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