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1
25
26 package org.snipsnap.snip.storage;
27
28 import org.snipsnap.snip.Snip;
29 import org.snipsnap.util.PartialSearcher;
30 import org.snipsnap.util.ApplicationAwareMap;
31 import org.snipsnap.app.Application;
32 import org.snipsnap.app.ApplicationManager;
33 import org.snipsnap.app.ApplicationStorage;
34
35 import java.sql.Timestamp  ;
36 import java.util.*;
37
38
47
48 public class MemorySnipStorage implements SnipStorage {
49 public static final String NOT_SUPPORTED_EXCEPTION_MSG =
50 "Method not supported, do not call MemorySnipStorage directly";
51
52 private SnipStorage storage;
53
54 private ApplicationAwareMap cache;
55
56 private Map allList;
60
61 public MemorySnipStorage(SnipStorage storage, ApplicationManager manager) {
62 this.storage = storage;
63
64
73 cache = new ApplicationAwareMap(HashMap.class, PartialSearcher.class);
74
75 if (storage instanceof CacheableStorage) {
76 ((CacheableStorage) storage).setCache(cache);
77 }
78
79 allList = new HashMap();
82
83 Iterator iterator = manager.getApplications().iterator();
85 while (iterator.hasNext()) {
86 String oid = ((Properties)iterator.next()).getProperty(ApplicationStorage.OID);
87 List instanceList = storage.storageAll(oid);
88 allList.put(oid, instanceList);
89 }
90 }
91
92 public Snip[] match(String pattern) {
94 return ((PartialSearcher) cache.getMap()).match(pattern.toUpperCase());
95 }
96
97 public Snip[] match(String start, String end) {
98 return ((PartialSearcher) cache.getMap()).match(start.toUpperCase(), end.toUpperCase());
99 }
100
101 public Snip storageLoad(String name) {
102 return (Snip) cache.getMap().get(name.toUpperCase());
103 }
104
105 public Object loadObject(String name) {
106 return (Snip) cache.getMap().get(name.toUpperCase());
107 }
108
109 public void storageStore(Snip snip) {
110 storage.storageStore(snip);
111 }
112
113 public Snip storageCreate(String name, String content) {
114 Snip snip = storage.storageCreate(name, content);
115
116 String applicationOid = snip.getApplication();
118
119 List allSnips = (List) allList.get(applicationOid);
120 if(null == allSnips) {
121 allSnips = storage.storageAll(applicationOid);
122 allList.put(applicationOid, allSnips);
123 }
124 allSnips.add(snip);
125 cache.getMap(applicationOid).put(snip.getName().toUpperCase(), snip);
126 return snip;
127 }
128
129 public void storageRemove(Snip snip) {
130 String applicationOid = snip.getApplication();
131 storage.storageRemove(snip);
132 List allSnips = (List) allList.get(applicationOid);
133 if (null != allSnips) {
134 allSnips.remove(snip);
135 } else {
136 System.err.println("WARNING: access to unknown oid: "+snip.getApplication());
137 }
138 cache.getMap(applicationOid).remove(snip.getName().toUpperCase());
139 }
140
141 public int storageCount() {
142 String application = (String ) Application.get().getObject(Application.OID);
143 List allSnips = (List) allList.get(application);
144 return allSnips != null ? allSnips.size() : 0;
145 }
146
147 public List storageAll(String applicationOid) {
148 List all = (List) allList.get(applicationOid);
149 return all;
150 }
151
152 public List storageAll() {
153 String applicationOid = (String ) Application.get().getObject(Application.OID);
154 return storageAll(applicationOid);
155 }
156
157 public class MethodNotSupportedException extends RuntimeException {
163 public MethodNotSupportedException(String s) {
164 super(s);
165 }
166 };
167
168 public List storageByHotness(int size) {
169 throw new MethodNotSupportedException(NOT_SUPPORTED_EXCEPTION_MSG);
170 }
171
172 public List storageByUser(String login) {
173 throw new MethodNotSupportedException(NOT_SUPPORTED_EXCEPTION_MSG);
174 }
175
176 public List storageByDateSince(Timestamp date) {
177 throw new MethodNotSupportedException(NOT_SUPPORTED_EXCEPTION_MSG);
178 }
179
180 public List storageByRecent(String applicationOid, int size) {
181 throw new MethodNotSupportedException(NOT_SUPPORTED_EXCEPTION_MSG);
182 }
183
184 public List storageByComments(Snip parent) {
185 throw new MethodNotSupportedException(NOT_SUPPORTED_EXCEPTION_MSG);
186 }
187
188 public List storageByParent(Snip parent) {
189 throw new MethodNotSupportedException(NOT_SUPPORTED_EXCEPTION_MSG);
190 }
191
192 public List storageByParentNameOrder(Snip parent, int count) {
193 throw new MethodNotSupportedException(NOT_SUPPORTED_EXCEPTION_MSG);
194 }
195
196 public List storageByParentModifiedOrder(Snip parent, int count) {
197 throw new MethodNotSupportedException(NOT_SUPPORTED_EXCEPTION_MSG);
198 }
199
200 public List storageByDateInName(String nameSpace, String start, String end) {
201 throw new MethodNotSupportedException(NOT_SUPPORTED_EXCEPTION_MSG);
202 }
203 }
204 |
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