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comparison src/nabble/model/Node.java @ 0:7ecd1a4ef557

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author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 21 Mar 2019 19:15:52 -0600
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children 72765b66e2c3
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-1:000000000000 0:7ecd1a4ef557
1 package nabble.model;
2
3 import fschmidt.db.DbObject;
4 import fschmidt.db.LongKey;
5 import fschmidt.util.java.Filter;
6 import nabble.model.export.NodeData;
7
8 import java.util.Collection;
9 import java.util.Comparator;
10 import java.util.Date;
11 import java.util.Map;
12
13
14 // for both posts and apps
15 public interface Node extends Message.Source, DbObject<LongKey,NodeImpl> {
16 public long getId();
17 public Person getOwner();
18 public void setOwner(User user);
19 public Node getParent();
20 public void changeParent(Node parent) throws ModelException;
21 public Site getSite();
22 public boolean isRoot();
23 public NodeIterator<? extends Node> getChildren();
24 public NodeIterator<? extends Node> getChildren(String cnd);
25 public int getChildCount();
26 public MailingList getMailingList();
27 public MailingList getAssociatedMailingList(); // only returns MailingList if not isUIHidden
28 public Kind getKind();
29 public NodeIterator<? extends Node> getAncestors(); // starting with self
30 public NodeIterator<? extends Node> getDescendants();
31 public NodeIterator<? extends Node> getDescendantApps();
32 public int getDescendantCount();
33 public int getDescendantAppCount();
34 public int getDescendantPostCount();
35 public NodeIterator<? extends Node> getPostsByDate(Filter<Node> filter);
36 public NodeIterator<? extends Node> getPostsByDateAscending(Filter<Node> filter);
37 public NodeIterator<? extends Node> getTopicsByLastNodeDate(String cnd,Filter<Node> filter);
38 public NodeIterator<? extends Node> getTopicsBySubject(String cnd,Filter<Node> filter);
39 public NodeIterator<? extends Node> getTopicsByPinnedAndLastNodeDate(String cnd,Filter<Node> filter);
40 public NodeIterator<? extends Node> getTopicsByPinnedAndRootNodeDate(String cnd,Filter<Node> filter);
41 public NodeIterator<? extends Node> getTopicsByPopularity(String cnd,Filter<Node> filter);
42 public int getTopicCount(String cnd,Filter<Node> filter);
43 public Node getLastNode();
44 public Date getLastNodeDate();
45 public MailToList getMailToList();
46 public MailFromList getMailFromList();
47 public String getSubject();
48 public void setSubject(String subject) throws ModelException.RequiredSubject;
49 public String getSubjectHtml();
50 public Message getMessage();
51 public void setMessage(String message,Message.Format msgFmt);
52 public void deleteMessageOrNode();
53 public void deleteRecursively();
54 public Date getWhenCreated();
55 public void setWhenCreated(Date whenCreated);
56 public Date getWhenUpdated();
57 public Node getGoodCopy();
58 public Node getApp();
59 public Node getTopic();
60 public void update();
61 public void insert(boolean isDoneByOwner) throws ModelException.TooManyPosts;
62 public boolean isInDb();
63 public Collection<Subscription> getSubscriptions(int i, int n);
64 public int getSubscriptionCount();
65 public Map<User,Subscription> getSubscribersToNotify();
66 public String getType();
67 public void setType(String type);
68 public boolean isPinned();
69 public void pin(Node[] children);
70 public long getExportedNodeId();
71 public void setExportedNodeId(long id);
72 public NodeData getData();
73 public void export(String permalink,String email);
74 public String getEmbeddingUrl();
75 public void setEmbeddingUrl(String url);
76 public Map<ExtensionFactory<Node, ?>, Object> getExtensionMap();
77
78 public boolean hasPreviousTopic();
79 public Node getPreviousTopic();
80 public boolean hasNextTopic();
81 public Node getNextTopic();
82
83 public boolean hasChildApps();
84 public boolean hasChildTopics();
85 public boolean hasPinnedApps();
86 public boolean hasPinnedTopics();
87 public NodeIterator<? extends Node> getChildApps();
88 public NodeIterator<? extends Node> getChildApps(String cnd);
89 public MailingList newMailingList(ListServer listServer,String listAddress,String url) throws ModelException;
90 public void deleteMailingList();
91
92 public interface MailToList {
93 public Node getNode();
94 public boolean isPending();
95 public void clearPending();
96 public Date getWhenSent();
97 public String getOrGenerateMessageID();
98 }
99
100 public interface MailFromList {
101 public boolean hasGuessedParent();
102 public String getMessageID();
103 public MailFromList getParentMailFromList();
104 }
105
106 public enum Kind { APP, POST }
107
108 public static final class Type {
109 // apps
110 public static final String FORUM = "forum";
111 public static final String MIXED = "mixed";
112 public static final String BOARD = "board";
113 public static final String CATEGORY = "category";
114 public static final String NEWS = "news";
115 public static final String GALLERY = "gallery";
116 public static final String BLOG = "blog";
117
118 // posts
119 public static final String BLOG_ENTRY = "blog_entry";
120 public static final String GALLERY_ENTRY = "gallery_entry";
121 public static final String NEWS_ENTRY = "news_entry";
122 public static final String COMMENT = "comment";
123 }
124
125
126 public Comparator<Node> dateComparator = new Comparator<Node>(){
127 public int compare(Node n1,Node n2) {
128 return n1.getWhenCreated().compareTo(n2.getWhenCreated());
129 }
130 };
131
132 public Comparator<Node> subjectComparator = new Comparator<Node>(){
133 public int compare(Node o1,Node o2) {
134 NodeImpl n1 = (NodeImpl)o1;
135 NodeImpl n2 = (NodeImpl)o2;
136 return n1.getCollationKey().compareTo(n2.getCollationKey());
137 }
138 };
139
140 public <T> T getExtension(ExtensionFactory<Node,T> factory);
141
142 public String getProperty(String key);
143 public void setProperty(String key,String value);
144
145 public interface Order {
146 public String sqlOrder();
147 public Comparable getComparable(Node node);
148 public Comparable getPostComparable(Node node);
149
150 public abstract class BasicOrder implements Order {
151 public Comparable getPostComparable(Node node) {
152 return getComparable(node);
153 }
154 }
155
156 public static final Order BY_LAST_NODE_DATE_DESC = new BasicOrder() {
157 public String sqlOrder() {
158 return "last_node_date desc, node_id desc";
159 }
160 public Comparable getComparable(Node node) {
161 return -node.getLastNodeDate().getTime();
162 }
163 };
164
165 public static final Order BY_WHEN_CREATED = new BasicOrder() {
166 public String sqlOrder() {
167 return "when_created, node_id";
168 }
169 public Comparable getComparable(Node node) {
170 return node.getWhenCreated();
171 }
172 };
173
174 public static final Order BY_SUBJECT = new BasicOrder() {
175 public String sqlOrder() {
176 return "is_app, lower(subject), node_id";
177 }
178 public Comparable getComparable(Node node) {
179 return node.getKind()==Kind.APP ? "" : node.getSubject().toLowerCase();
180 }
181 };
182
183 public static final Order BY_DATE_DESC = new Order() {
184 public String sqlOrder() {
185 return "last_node_date desc, node_id desc";
186 }
187 public Comparable getComparable(Node node) {
188 return -node.getLastNodeDate().getTime();
189 }
190 public Comparable getPostComparable(Node node) {
191 return -node.getWhenCreated().getTime();
192 }
193 };
194
195 }
196 }