Revision 618
Added by bojilova about 24 years ago
| src/edu/ucsb/nceas/metacat/AccessionNumber.java | ||
|---|---|---|
| 28 | 28 |
public class AccessionNumber {
|
| 29 | 29 |
|
| 30 | 30 |
private Connection conn = null; |
| 31 |
private String server = null; |
|
| 32 |
private String defaultGlobalName = null; |
|
| 31 |
private String sitecode = null; |
|
| 33 | 32 |
private String sep = null; |
| 34 | 33 |
|
| 35 | 34 |
/** |
| ... | ... | |
| 40 | 39 |
|
| 41 | 40 |
MetaCatUtil util = new MetaCatUtil(); |
| 42 | 41 |
|
| 43 |
this.server = util.getOption("server");
|
|
| 44 |
this.defaultGlobalName = util.getOption("defaultGlobalName");
|
|
| 45 |
this.sep = util.getOption("accNumberSeparator");
|
|
| 42 |
this.sitecode = util.getOption("sitecode");
|
|
| 43 |
this.sep = util.getOption("accNumSeparator");
|
|
| 46 | 44 |
|
| 47 | 45 |
// Open a connection to the database |
| 48 | 46 |
this.conn = util.openDBConnection(); |
| ... | ... | |
| 57 | 55 |
|
| 58 | 56 |
MetaCatUtil util = new MetaCatUtil(); |
| 59 | 57 |
|
| 60 |
this.server = util.getOption("server");
|
|
| 61 |
this.defaultGlobalName = util.getOption("defaultGlobalName");
|
|
| 62 |
this.sep = util.getOption("accNumberSeparator");
|
|
| 58 |
this.sitecode = util.getOption("sitecode");
|
|
| 59 |
this.sep = util.getOption("accNumSeparator");
|
|
| 63 | 60 |
this.conn = conn; |
| 64 | 61 |
|
| 65 | 62 |
} |
| ... | ... | |
| 76 | 73 |
|
| 77 | 74 |
// get a new Accession# |
| 78 | 75 |
if ( accNumber == null ) {
|
| 79 |
String sidecode = getSidecode(); |
|
| 80 |
String createdate = getSysdate(); |
|
| 81 |
return sidecode + "." + createdate; |
|
| 76 |
String sitecode = getSitecode(); |
|
| 77 |
String uniqueid = getUniqueID(); |
|
| 82 | 78 |
|
| 79 |
return sitecode + sep + uniqueid; |
|
| 80 |
|
|
| 83 | 81 |
// Accession# is not used; return it |
| 84 | 82 |
} else if ( !accNumberUsed(accNumber) ) {
|
| 85 | 83 |
return accNumber; |
| ... | ... | |
| 118 | 116 |
AccessionNumberException("Fatal Error in accession number generation.");
|
| 119 | 117 |
} |
| 120 | 118 |
|
| 121 |
// get local server name
|
|
| 122 |
private String getSidecode()
|
|
| 119 |
// get local sitecode
|
|
| 120 |
private String getSitecode()
|
|
| 123 | 121 |
{
|
| 124 |
return this.server;
|
|
| 122 |
return this.sitecode;
|
|
| 125 | 123 |
} |
| 126 | 124 |
|
| 127 |
// get today date from db connection
|
|
| 128 |
private String getSysdate () throws SQLException
|
|
| 125 |
// get Unique ID from DB sequence
|
|
| 126 |
private String getUniqueID () throws SQLException
|
|
| 129 | 127 |
{
|
| 130 |
String sysdate;
|
|
| 128 |
String uniqueid;
|
|
| 131 | 129 |
|
| 132 | 130 |
try {
|
| 133 | 131 |
PreparedStatement pstmt; |
| 134 | 132 |
pstmt = conn.prepareStatement |
| 135 |
("SELECT to_char(sysdate,'mmddyyyyhhmiss') FROM dual");
|
|
| 133 |
("SELECT accnum_uniqueid_seq.nextval FROM dual");
|
|
| 136 | 134 |
pstmt.execute(); |
| 137 | 135 |
|
| 138 | 136 |
ResultSet rs = pstmt.getResultSet(); |
| 139 | 137 |
boolean hasRow = rs.next(); |
| 140 |
sysdate= rs.getString(1);
|
|
| 138 |
uniqueid = rs.getString(1);
|
|
| 141 | 139 |
pstmt.close(); |
| 142 | 140 |
|
| 143 | 141 |
} catch (SQLException e) {
|
| 144 | 142 |
throw new |
| 145 |
SQLException("Error on AccessionNumber.getSysdate(): " + e.getMessage());
|
|
| 143 |
SQLException("Error on AccessionNumber.getUniqueID(): "+e.getMessage());
|
|
| 146 | 144 |
} |
| 147 | 145 |
|
| 148 |
return sysdate;
|
|
| 146 |
return uniqueid;
|
|
| 149 | 147 |
} |
| 150 | 148 |
|
| 151 |
|
|
| 152 |
/////////////////////////////////////////////////////////// |
|
| 153 |
// THE OLD APPROACH - accession# of form globalname:localid |
|
| 154 |
/** |
|
| 155 |
* Get an Accession Number, check it for uniqueness and |
|
| 156 |
* register it into db connection. If no Accession Number is |
|
| 157 |
* provided, generate one from the database and return it. |
|
| 158 |
* |
|
| 159 |
* @param accNumber - Accession # if provided or null if not |
|
| 160 |
* @param action - INSERT, UPDATE or DELETE. |
|
| 161 |
* When "INSERT" and accession # provided is not unique, get new one. |
|
| 162 |
* If it is unique, use it. |
|
| 163 |
* When "INSERT" and accession # is null, get a new one. |
|
| 164 |
* When "UPDATE", accession # is required and it is checked for existance. |
|
| 165 |
* When "DELETE", accession # is required and it is checked for existance. |
|
| 166 |
*/ |
|
| 167 |
public String gen (String accNumber, String action) |
|
| 168 |
throws AccessionNumberException, SQLException {
|
|
| 169 |
|
|
| 170 |
String globalName = null; |
|
| 171 |
String localId = null; |
|
| 172 |
|
|
| 173 |
try {
|
|
| 174 |
|
|
| 175 |
conn.setAutoCommit(true); |
|
| 176 |
|
|
| 177 |
// split the acc # in 2 parts - global name & local id |
|
| 178 |
if ( accNumber != null ) {
|
|
| 179 |
globalName = getGlobalName(accNumber, sep); |
|
| 180 |
localId = getLocalId(accNumber, sep); |
|
| 181 |
} |
|
| 182 |
|
|
| 183 |
// INSERT |
|
| 184 |
if ( action.equals("INSERT")) {
|
|
| 185 |
// get a unique Acc# |
|
| 186 |
if ( accNumber == null ) {
|
|
| 187 |
return put(defaultGlobalName, null, sep); |
|
| 188 |
// Acc# is not used; return it |
|
| 189 |
} else if ( !accNumberUsed(accNumber) ) {
|
|
| 190 |
return put(globalName, localId, sep); |
|
| 191 |
// Acc# is used; throw an exception to prevent the insertion |
|
| 192 |
} else {
|
|
| 193 |
throw |
|
| 194 |
new AccessionNumberException("Accession number is already in use.");
|
|
| 195 |
} |
|
| 196 |
// UPDATE or DELETE |
|
| 197 |
} else if ( action.equals("UPDATE") || action.equals("DELETE")) {
|
|
| 198 |
// Acc# is not provided; throw an exception to prevent the action |
|
| 199 |
if ( accNumber == null ) {
|
|
| 200 |
throw (new AccessionNumberException("Accession number is " +
|
|
| 201 |
"required.")); |
|
| 202 |
// Acc# is not current (not in xml_documents); throw an exception |
|
| 203 |
} else if (!accNumberIsCurrent(accNumber)) {
|
|
| 204 |
throw (new AccessionNumberException("Document " +
|
|
| 205 |
"not found for accession #: " + accNumber)); |
|
| 206 |
// Acc# is current; return it |
|
| 207 |
} else {
|
|
| 208 |
return accNumber; |
|
| 209 |
} |
|
| 210 |
} |
|
| 211 |
|
|
| 212 |
//conn.close(); |
|
| 213 |
|
|
| 214 |
} catch (StringIndexOutOfBoundsException siobe) {
|
|
| 215 |
MetaCatUtil.debugMessage( |
|
| 216 |
"Error on AccessionNumber.generate(): " + |
|
| 217 |
siobe.getMessage()); |
|
| 218 |
throw (new AccessionNumberException("Accession number invalid, " +
|
|
| 219 |
"expecting character \'" + sep + "'.")); |
|
| 220 |
} catch (SQLException e) {
|
|
| 221 |
throw new SQLException( |
|
| 222 |
"Error on AccessionNumber.generate(accNumber, action): " + |
|
| 223 |
e.getMessage()); |
|
| 224 |
} |
|
| 225 |
|
|
| 226 |
throw (new AccessionNumberException("Fatal Error in " +
|
|
| 227 |
"accession number generation")); |
|
| 228 |
} |
|
| 229 |
|
|
| 230 |
/** put unique accession # into db connection */ |
|
| 231 |
private String put (String globalName, String localId, String sep) |
|
| 232 |
throws SQLException |
|
| 233 |
{
|
|
| 234 |
|
|
| 235 |
Integer l = null; |
|
| 236 |
try {
|
|
| 237 |
if ( localId == null ) |
|
| 238 |
l = new Integer(get(globalName) + 1); |
|
| 239 |
//else if ( accNumberUsed(globalName, localId) ) |
|
| 240 |
// l = new Integer(get(globalName) + 1); |
|
| 241 |
else |
|
| 242 |
l = new Integer(localId); |
|
| 243 |
|
|
| 244 |
// insert globalName & l |
|
| 245 |
PreparedStatement pstmt; |
|
| 246 |
pstmt = conn.prepareStatement( |
|
| 247 |
"INSERT INTO xml_acc_numbers (global_name, local_id) " + |
|
| 248 |
"VALUES (?, ?)"); |
|
| 249 |
pstmt.setString(1,globalName); |
|
| 250 |
pstmt.setString(2,l.toString()); |
|
| 251 |
pstmt.execute(); |
|
| 252 |
|
|
| 253 |
pstmt.close(); |
|
| 254 |
|
|
| 255 |
} catch (SQLException e) {
|
|
| 256 |
throw new SQLException( |
|
| 257 |
"Error on AccessionNumber.put(globalName, localId, sep): " |
|
| 258 |
+ e.getMessage()); |
|
| 259 |
} |
|
| 260 |
|
|
| 261 |
return globalName + sep + l; |
|
| 262 |
} |
|
| 263 |
|
|
| 264 | 149 |
/** check for existence of Accesssion Number xml_acc_numbers table */ |
| 265 | 150 |
public boolean accNumberUsed ( String accNumber ) |
| 266 | 151 |
throws SQLException {
|
| ... | ... | |
| 315 | 200 |
return hasCurrentAccNumber; |
| 316 | 201 |
} |
| 317 | 202 |
|
| 318 |
/** get the last in order local ID by a given global name */ |
|
| 319 |
private int get (String globalName) throws SQLException {
|
|
| 320 |
|
|
| 321 |
try {
|
|
| 322 |
PreparedStatement pstmt; |
|
| 323 |
pstmt = conn.prepareStatement( |
|
| 324 |
"SELECT max(local_id) FROM xml_acc_numbers " + |
|
| 325 |
"WHERE global_name LIKE ?"); |
|
| 326 |
pstmt.setString(1,globalName); |
|
| 327 |
pstmt.execute(); |
|
| 328 |
ResultSet rs = pstmt.getResultSet(); |
|
| 329 |
boolean hasLocalId = rs.next(); |
|
| 330 |
|
|
| 331 |
if (hasLocalId) {
|
|
| 332 |
return rs.getInt(1); |
|
| 333 |
} |
|
| 334 |
|
|
| 335 |
pstmt.close(); |
|
| 336 |
} catch (SQLException e) {
|
|
| 337 |
throw new SQLException( |
|
| 338 |
"Error on AccessionNumber.get(globalName): " + e.getMessage()); |
|
| 339 |
} |
|
| 340 |
|
|
| 341 |
return 0; |
|
| 342 |
} |
|
| 343 |
|
|
| 344 |
|
|
| 345 |
// get the global part of the accession number |
|
| 346 |
private String getGlobalName (String accNumber, String sep) |
|
| 347 |
throws StringIndexOutOfBoundsException {
|
|
| 348 |
|
|
| 349 |
return accNumber.substring(0, accNumber.lastIndexOf(sep)); |
|
| 350 |
} |
|
| 351 |
|
|
| 352 |
// get the local part of the accession number |
|
| 353 |
private String getLocalId (String accNumber, String sep) |
|
| 354 |
throws StringIndexOutOfBoundsException {
|
|
| 355 |
|
|
| 356 |
return accNumber.substring(accNumber.lastIndexOf(sep)+1); |
|
| 357 |
} |
|
| 358 | 203 |
} |
| 359 | 204 |
|
| 360 | 205 |
/** |
| 361 | 206 |
* '$Log$ |
| 207 |
* 'Revision 1.16 2000/12/06 17:59:03 berkley |
|
| 208 |
* 'made replication on insert or update us. Also made a method in AccessionNumber public so that you can tell if an accession number has already been used.e place be |
|
| 209 |
* ' |
|
| 362 | 210 |
* 'Revision 1.15 2000/11/30 22:41:32 bojilova |
| 363 | 211 |
* 'change the generation of Accession# in the form of <sidecode>.<createdate> |
| 364 | 212 |
* ' |
Also available in: Unified diff
changed acc# generation to use db sequence instead of timestamp