/**
* Performs general periodic maintenance. This routine handles alle open pages/main and
* pages/mirror file service requests. These requests are obtained from the netfiles builder. For
* each file that should be serviced, the filechange method is called. This routine handles a
* maximum of 10 page/main, and 50 page/mirror service calls each time it is called. The first
* time this method is call, nothing happens (?)
*
* @return <code>true</code> if maintenance was performed, <code>false</code> otherwise
*/
public boolean probeCall() {
if (first) {
// skip first time this method is called
first = false;
} else {
// handle up to 10 pages/main fileservice requests
try {
Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
// Enumeration e=bul.search("WHERE service='pages' AND subservice='main' AND
// status="+Netfiles.STATUS_REQUEST+" ORDER BY number DESC");
Enumeration e =
bul.search("service=='pages'+subservice=='main'+status=" + Netfiles.STATUS_REQUEST);
int i = 0;
while (e.hasMoreElements() && i < 10) {
MMObjectNode node = (MMObjectNode) e.nextElement();
fileChange("" + node.getIntValue("number"), "c");
i++;
}
} catch (Exception e) {
log.error(Logging.stackTrace(e));
}
// handle up to 50 pages/mirror fileservice requests
try {
Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
Enumeration e =
bul.search("service=='pages'+subservice=='mirror'+status=" + Netfiles.STATUS_REQUEST);
// Enumeration e=bul.search("WHERE service='pages' AND subservice='mirror' AND
// status="+Netfiles.STATUS_REQUEST+" ORDER BY number DESC");
int i = 0;
while (e.hasMoreElements() && i < 50) {
MMObjectNode node = (MMObjectNode) e.nextElement();
fileChange("" + node.getIntValue("number"), "c");
i++;
}
} catch (Exception e) {
log.error(Logging.stackTrace(e));
}
}
return true;
}
/**
* The resources builder can be used by {@link org.mmbase.util.ResourceLoader} to load resources
* from (configuration files, classes, resourcebundles).
*
* @author Michiel Meeuwissen
* @version $Id$
* @since MMBase-1.8
*/
public class Resources extends Attachments {
private static final Logger log = Logging.getLoggerInstance(Resources.class);
/** Implements virtual filename field. {@inheritDoc} */
@Override
public Object getValue(MMObjectNode node, String field) {
if (field.equals(NodeURLStreamHandlerFactory.FILENAME_FIELD)) {
String s = node.getStringValue(NodeURLStreamHandlerFactory.RESOURCENAME_FIELD);
int i = s.lastIndexOf("/");
if (i > 0) {
return s.substring(i + 1);
} else {
return s;
}
} else {
return super.getValue(node, field);
}
}
}
/**
* A VWM that manages the files by scheduling them to be send to one or more mirror sites. Requests
* for scheduling is done in the netfile builder. This VWM handles those netfile requests whose
* service is 'pages'. Available subservices are 'main' and 'mirror'. Requests for file copy are
* checked periodically. This results in one or more requests for a 'mirror' service, which then
* result in a file copy request, which is handled in a separate thread. This VWM also has methods
* for recalculating pages and handling page changes (which in turn result in a request for file
* copy.) Entry point for these requests are the FileChange methods from the {@link
* VwmServiceInterface}.
*
* @author Daniel Ockeloen
* @author Pierre van Rooden (javadocs)
* @version $Id$
*/
public class PageMaster extends Vwm implements MMBaseObserver, VwmServiceInterface {
private static final Logger log = Logging.getLoggerInstance(PageMaster.class);
// field used to skip first probeCall (why???)
boolean first = true;
Object syncobj = new Object(); // used in commented code
/** Queue containing the file-copy tasks that need to be performed by {@link #filecopier} */
Queue files2copy = new Queue(128);
/** Thread that handles the actual file transfers. */
FileCopier filecopier = new FileCopier(files2copy);
/** Cache for mirror servers */
Vector mirrornodes;
// Hashtable properties; (unused)
/** Constructor for the PageMaster VWM. */
public PageMaster() {
log.debug("ready for action");
}
/**
* Performs general periodic maintenance. This routine handles alle open pages/main and
* pages/mirror file service requests. These requests are obtained from the netfiles builder. For
* each file that should be serviced, the filechange method is called. This routine handles a
* maximum of 10 page/main, and 50 page/mirror service calls each time it is called. The first
* time this method is call, nothing happens (?)
*
* @return <code>true</code> if maintenance was performed, <code>false</code> otherwise
*/
public boolean probeCall() {
if (first) {
// skip first time this method is called
first = false;
} else {
// handle up to 10 pages/main fileservice requests
try {
Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
// Enumeration e=bul.search("WHERE service='pages' AND subservice='main' AND
// status="+Netfiles.STATUS_REQUEST+" ORDER BY number DESC");
Enumeration e =
bul.search("service=='pages'+subservice=='main'+status=" + Netfiles.STATUS_REQUEST);
int i = 0;
while (e.hasMoreElements() && i < 10) {
MMObjectNode node = (MMObjectNode) e.nextElement();
fileChange("" + node.getIntValue("number"), "c");
i++;
}
} catch (Exception e) {
log.error(Logging.stackTrace(e));
}
// handle up to 50 pages/mirror fileservice requests
try {
Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
Enumeration e =
bul.search("service=='pages'+subservice=='mirror'+status=" + Netfiles.STATUS_REQUEST);
// Enumeration e=bul.search("WHERE service='pages' AND subservice='mirror' AND
// status="+Netfiles.STATUS_REQUEST+" ORDER BY number DESC");
int i = 0;
while (e.hasMoreElements() && i < 50) {
MMObjectNode node = (MMObjectNode) e.nextElement();
fileChange("" + node.getIntValue("number"), "c");
i++;
}
} catch (Exception e) {
log.error(Logging.stackTrace(e));
}
}
return true;
}
/**
* Called when a remote node is changed.
*
* @param machine Name of the machine that changed the node.
* @param number Number of the changed node as a <code>String</code>
* @param builder type of the changed node
* @param ctype command type, 'c'=changed, 'd'=deleted', 'r'=relations changed, 'n'=new
* @return <code>true</code>
*/
public boolean nodeRemoteChanged(String machine, String number, String builder, String ctype) {
return nodeChanged(machine, number, builder, ctype);
}
/**
* Called when a local node is changed.
*
* @param machine Name of the machine that changed the node.
* @param number Number of the changed node as a <code>String</code>
* @param builder type of the changed node
* @param ctype command type, 'c'=changed, 'd'=deleted', 'r'=relations changed, 'n'=new
* @return <code>true</code>
*/
public boolean nodeLocalChanged(String machine, String number, String builder, String ctype) {
return nodeChanged(machine, number, builder, ctype);
}
/**
* Called when a local or remote node is changed. Does not take any action.
*
* @param machine Name of the machine that changed the node.
* @param number Number of the changed node as a <code>String</code>
* @param builder type of the changed node
* @param ctype command type, 'c'=changed, 'd'=deleted', 'r'=relations changed, 'n'=new
* @return <code>true</code>
*/
public boolean nodeChanged(String machine, String number, String builder, String ctype) {
// log.debug("sees that : "+number+" has changed type="+ctype);
return true;
}
/**
* Schedules a service-request on a file. Only "pages/main" services are handled. The
* service-request is later handled through the {@link #probeCall} method.
*
* @param service the service to be performed
* @param subservice the subservice to be performed
* @param filename the filename to service
* @return <code>true</code> if maintenance was performed, <code>false</code> otherwise
*/
public boolean fileChange(String service, String subservice, String filename) {
log.debug("frontend change -> " + filename);
log.service("s=" + service + " sub=" + subservice + "file=" + filename);
// jump to correct subhandles based on the subservice
if (subservice.equals("main")) {
handleMainCheck(service, subservice, filename);
}
return true;
}
/**
* Handles a service-request on a file, registered in the netfiles builder. Depending on the
* subservice requested, this routine calls {@link #handleMirror} or {@link #handleMain}.
*
* @param number Number of the node in the netfiles buidler than contain service request
* information.
* @param ctype the type of change on that node ("c" : node was changed)
* @return <code>true</code>
*/
public boolean fileChange(String number, String ctype) {
// log.debug("fileChange="+number+" "+ctype);
// first get the change node so we can see what is the matter with it.
Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
MMObjectNode filenode = bul.getNode(number);
if (filenode != null) {
// obtain all the basic info on the file.
String service = filenode.getStringValue("service");
String subservice = filenode.getStringValue("subservice");
int status = filenode.getIntValue("status");
// jump to correct subhandles based on the subservice
if (subservice.equals("main")) {
return handleMain(filenode, status, ctype);
} else if (subservice.equals("mirror")) {
return handleMirror(filenode, status, ctype);
}
}
return true;
}
/**
* Handles a pages/mirror service request. Places a page in the file2copy queue, so it will be
* sent to a mirror site by the FileCopier.
*
* @param filenode the filenet node that contains the service request
* @param status the current status of the node
* @param ctype the type of change on that node ("c" : node was changed)
* @return <code>true</code>
*/
public boolean handleMirror(MMObjectNode filenode, int status, String ctype) {
switch (status) {
case Netfiles.STATUS_REQUEST: // Request
// register the node as being On Its Way
filenode.setValue("status", Netfiles.STATUS_ON_ITS_WAY);
filenode.commit();
String filename = filenode.getStringValue("filename");
String dstserver = filenode.getStringValue("mmserver");
// recover the correct source/dest properties for this mirror
//
// why does it say "demoserver" ??
//
String sshpath = getProperty("demoserver", "sshpath");
log.debug("sshpath=" + sshpath);
String srcpath = getProperty("demoserver", "path");
log.debug("srcpath=" + srcpath);
String dstuser = getProperty(dstserver, "user");
log.debug("dstuser="******"host");
log.debug("dsthost=" + dsthost);
String dstpath = getProperty(dstserver, "path");
log.debug("dstpath=" + dstpath);
/* this code can be dropped as it is handled in FileCopier
SCPcopy scpcopy=new SCPcopy(sshpath,dstuser,dsthost,dstpath);
synchronized(syncobj) {
scpcopy.copy(srcpath,filename);
}
*/
// create a new file2copy object and add it to the queue,
// so the FileCopier thread will handle it.
files2copy.append(new aFile2Copy(dstuser, dsthost, dstpath, srcpath, filename, sshpath));
// register the node as being Done
filenode.setValue("status", Netfiles.STATUS_DONE);
filenode.commit();
break;
case Netfiles.STATUS_ON_ITS_WAY: // On its way
break;
case Netfiles.STATUS_DONE: // Done
break;
}
return true;
}
/**
* Handles a pages/main service request. The events handled are:<br>
* - requests for handling: schedules requests to mirror this page using {@link #doMainRequest}
* <br>
* - changed: page is scheduled to be recalculated<br>
* - recaculate" page is recaclcutated and scheduled to be handled<br>
*
* @param filenode the netfiles node that contains the service request
* @param status the current status of the node
* @param ctype the type of change on that node ("c" : node was changed)
* @return <code>true</code>
*/
public boolean handleMain(MMObjectNode filenode, int status, String ctype) {
switch (status) {
case Netfiles.STATUS_REQUEST: // Request
// register the node as being On Its Way
filenode.setValue("status", Netfiles.STATUS_ON_ITS_WAY);
filenode.commit();
// do stuff
doMainRequest(filenode);
// register the node as being Done
filenode.setValue("status", Netfiles.STATUS_DONE);
filenode.commit();
break;
case Netfiles.STATUS_ON_ITS_WAY: // On Its Way
break;
case Netfiles.STATUS_DONE: // Done
break;
case Netfiles.STATUS_CHANGED: // Dirty (?)
filenode.setValue("status", Netfiles.STATUS_CALC_PAGE);
filenode.commit();
break;
case Netfiles.STATUS_CALC_PAGE: // Recalculate Page
String filename = filenode.getStringValue("filename");
calcPage(filename);
filenode.setValue("status", Netfiles.STATUS_REQUEST);
filenode.commit();
break;
}
return true;
}
/**
* Handles a main subservice on a page. The page is scheduled to be sent to all appropriate
* mirrorsites for this service, by setting the request status in the associated mirror nodes. If
* no mirror nodes are associated with this page, nothing happens.
*
* @param filenode the netfiles node with the original (main) request
*/
public boolean doMainRequest(MMObjectNode filenode) {
// so this file has changed probably, check if the file is ready on
// disk and set the mirrors to request.
String filename = filenode.getStringValue("filename");
// find and change all the mirror nodes so they get resend
Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
Enumeration e =
bul.search("WHERE filename='" + filename + "' AND service='pages' AND subservice='mirror'");
while (e.hasMoreElements()) {
MMObjectNode mirrornode = (MMObjectNode) e.nextElement();
mirrornode.setValue("status", Netfiles.STATUS_REQUEST);
mirrornode.commit();
}
return true;
}
/**
* Schedules a netfile object to be send to its mirror sites. The routine searches the appropriate
* netfile node, and sets its status to 'request'. If a node does not exits, a new node is
* created. In the latter case, the system also creates mirrornodes for each mirrorsite associated
* with this service.
*
* @param service the service to be performed
* @param subservice the subservice to be performed
* @param filename the filename to service
*/
public void handleMainCheck(String service, String subservice, String filename) {
log.debug("Reached handleMainCheck");
Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
Enumeration e =
bul.search(
"WHERE filename='"
+ filename
+ "' AND service='"
+ service
+ "' AND subservice='"
+ subservice
+ "'");
if (e.hasMoreElements()) {
MMObjectNode mainnode = (MMObjectNode) e.nextElement();
mainnode.setValue("status", Netfiles.STATUS_REQUEST);
mainnode.commit();
} else {
MMObjectNode mainnode = bul.getNewNode("system");
mainnode.setValue("filename", filename);
mainnode.setValue("mmserver", Vwms.getMMBase().getMachineName());
mainnode.setValue("service", service);
mainnode.setValue("subservice", subservice);
mainnode.setValue("status", Netfiles.STATUS_REQUEST);
mainnode.setValue("filesize", -1);
bul.insert("system", mainnode);
Enumeration f = getMirrorNodes(service).elements();
while (f.hasMoreElements()) {
MMObjectNode n2 = (MMObjectNode) f.nextElement();
// hack hack also have to create mirror nodes !
mainnode = bul.getNewNode("system");
mainnode.setValue("filename", filename);
mainnode.setValue("mmserver", n2.getStringValue("name"));
mainnode.setValue("service", service);
mainnode.setValue("subservice", "mirror");
mainnode.setValue("status", Netfiles.STATUS_DONE);
mainnode.setValue("filesize", -1);
bul.insert("system", mainnode);
}
}
}
/**
* Retrieves a named property of a server.
*
* @param machine name of the server
* @param key name of the property to retrieve
* @return the property value
*/
public String getProperty(String machine, String key) {
MMServers mmservers = (MMServers) Vwms.getMMBase().getMMObject("mmservers");
return mmservers.getMMServerProperty(machine, key);
}
/**
* Recalculate a page. Invokes the SCAN parser (which will re-cache the page through the scancache
* module) Only works for SCAN.
*
* @param url of the page to cache
*/
public void calcPage(String url) {
scanparser m = (scanparser) Vwms.getMMBase().getModule("SCANPARSER");
url = url.substring(0, url.length() - 5);
url = url.replace(':', '?');
log.debug("getPage=" + url);
if (m != null) {
scanpage sp = new scanpage();
m.calcPage(url, sp, 0);
}
}
/**
* Retrieves a list of Mirror Servers. This is done by obtaining a fileserver node and retrieving
* associated mmserver nodes. This method should be renamed and moved to the netfilesrv builder.
*
* @param service preseumably the service to query for. Unused.
* @return a <code>Vector</code> containing mmserver nodes that act as mirror server for this
* service
*/
public Vector getMirrorNodes(String service) {
if (mirrornodes != null) return mirrornodes;
NetFileSrv bul = (NetFileSrv) Vwms.getMMBase().getMMObject("netfilesrv");
if (bul != null) {
Enumeration e = bul.search("service=='pages'+subservice=='mirror'");
if (e.hasMoreElements()) {
MMObjectNode n1 = (MMObjectNode) e.nextElement();
mirrornodes = n1.getRelatedNodes("mmservers");
if (mirrornodes != null) return mirrornodes;
}
}
mirrornodes = new Vector();
return mirrornodes;
}
}
/**
* If for some reason you also need to do Queries next to MMBase.
*
* @author Michiel Meeuwissen
* @version $Id$
*/
public class JdbcIndexDefinition implements IndexDefinition {
private static final Logger log = Logging.getLoggerInstance(JdbcIndexDefinition.class);
private static int directConnections = 0;
private static final int CACHE_SIZE = 10 * 1024;
protected static Cache<String, LazyMap> nodeCache =
new Cache<String, LazyMap>(CACHE_SIZE) {
{
putCache();
}
@Override
public final String getName() {
return "LuceneJdbcNodes";
}
@Override
public final String getDescription() {
return "Node identifier -> Map";
}
};
private final DataSource dataSource;
private final String key;
private final String identifier;
private final String indexSql;
private final String findSql;
private final Analyzer analyzer;
private final Set<String> keyWords = new HashSet<String>();
private final Map<String, Indexer.Multiple> nonDefaultMultiples =
new HashMap<String, Indexer.Multiple>();
private final Map<String, Float> boosts = new HashMap<String, Float>();
private final Collection<IndexDefinition> subQueries = new ArrayList<IndexDefinition>();
private final boolean isSub;
private String id;
JdbcIndexDefinition(
DataSource ds,
Element element,
Set allIndexedFields,
boolean storeText,
boolean mergeText,
Analyzer a,
boolean isSub) {
this.dataSource = ds;
indexSql = element.getAttribute("sql");
key = element.getAttribute("key");
String elementId = element.getAttribute("identifier");
identifier = "".equals(elementId) ? key : elementId;
findSql = element.getAttribute("find");
NodeList childNodes = element.getChildNodes();
for (int k = 0; k < childNodes.getLength(); k++) {
if (childNodes.item(k) instanceof Element) {
Element childElement = (Element) childNodes.item(k);
if ("field".equals(childElement.getLocalName())) {
if (childElement.getAttribute("keyword").equals("true")) {
keyWords.add(childElement.getAttribute("name"));
}
String m = childElement.getAttribute("multiple");
if ("".equals(m)) m = "add";
if (!m.equals("add")) {
nonDefaultMultiples.put(
childElement.getAttribute("name"), Indexer.Multiple.valueOf(m.toUpperCase()));
}
String b = childElement.getAttribute("boost");
if (!b.equals("")) {
boosts.put(childElement.getAttribute("name"), Float.valueOf(b));
}
} else if ("related".equals(childElement.getLocalName())) {
subQueries.add(
new JdbcIndexDefinition(
ds, childElement, allIndexedFields, storeText, mergeText, a, true));
}
}
}
this.analyzer = a;
this.isSub = isSub;
assert !isSub || "".equals(findSql);
}
@Override
public void setId(String i) {
id = i;
}
@Override
public String getId() {
return id;
}
/**
* Jdbc connection pooling of MMBase would kill the statement if too duratious. This produces a
* 'direct connection' in that case, to circumvent that problem (Indexing queries _may_ take a
* while).
*/
protected Connection getDirectConnection() throws SQLException {
directConnections++;
try {
if (dataSource instanceof GenericDataSource) {
return ((GenericDataSource) dataSource).getDirectConnection();
} else {
return dataSource.getConnection();
}
} catch (SQLException sqe) {
log.error("With direct connection #" + directConnections + ": " + sqe.getMessage());
throw sqe;
} catch (Throwable t) {
throw new RuntimeException("direct connection #" + directConnections, t);
}
}
@Override
public Analyzer getAnalyzer() {
return analyzer;
}
protected String getFindSql(String identifier) {
assert !isSub;
if (findSql == null || "".equals(findSql)) throw new RuntimeException("No find query defined");
if (identifier == null) throw new RuntimeException("No find query defined");
String s = findSql.replaceAll("\\[IDENTIFIER\\]", identifier);
s = s.replaceAll("\\[KEY\\]", identifier); // deprecated
return s;
}
@Override
public boolean inIndex(String identifier) {
CloseableIterator<JdbcEntry> i = getSqlCursor(getFindSql(identifier));
boolean result = i.hasNext();
try {
i.close();
} catch (IOException ex) {
log.warn(ex);
}
return result;
}
protected String getSql(String identifier) {
if (indexSql == null || "".equals(indexSql)) throw new RuntimeException("No sql defined");
if (identifier == null) throw new RuntimeException("No query defined");
String s = indexSql.replaceAll("\\[PARENTKEY\\]", identifier);
s = s.replaceAll("\\[KEY\\]", identifier); // deprecated
return s;
}
CloseableIterator<JdbcEntry> getSqlCursor(final String sql) {
try {
long start = System.currentTimeMillis();
final Connection con = getDirectConnection();
log.debug("About to execute " + sql + " (" + directConnections + ")");
final Statement statement = con.createStatement();
final ResultSet results = statement.executeQuery(sql);
if (log.isDebugEnabled()) {
log.debug("Executed " + sql + " in " + (System.currentTimeMillis() - start) + " ms");
}
final ResultSetMetaData meta = results.getMetaData();
return new CloseableIterator<JdbcEntry>() {
boolean hasNext = results.isBeforeFirst();
int i = 0;
@Override
public boolean hasNext() {
return hasNext;
}
@Override
public JdbcEntry next() {
if (!hasNext) {
throw new NoSuchElementException();
}
try {
results.next();
hasNext = !results.isLast();
} catch (java.sql.SQLException sqe) {
log.error(sqe);
hasNext = false;
}
JdbcEntry entry = new JdbcEntry(meta, results, sql);
i++;
if (log.isServiceEnabled()) {
if (i % 100 == 0) {
log.service("jdbc cursor " + i + " (now at id=" + entry.getIdentifier() + ")");
} else if (log.isDebugEnabled()) {
log.trace("jdbc cursor " + i + " (now at id=" + entry.getIdentifier() + ")");
}
}
return entry;
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
@Override
public void close() {
log.debug("Closing " + con);
try {
if (results != null) results.close();
if (statement != null) statement.close();
if (con != null) con.close();
} catch (Exception e) {
log.error(e);
}
}
};
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
}
/**
* A map representing a row in a database. But only filled when actually used. So, only on first
* use, a query is done. And not before that.
*
* @since MMBase-1.9
*/
protected class LazyMap extends AbstractMap<String, String> {
private Map<String, String> map = null;
private final Map<String, String> keys;
private final String identifier;
LazyMap(String identifier, Map<String, String> keys) {
this.identifier = identifier;
this.keys = keys;
}
protected void check() {
if (map == null) {
Connection connection = null;
Statement statement = null;
ResultSet results = null;
try {
connection = dataSource.getConnection();
statement = connection.createStatement();
long start = System.currentTimeMillis();
String s = getFindSql(identifier);
if (log.isTraceEnabled()) {
log.trace("About to execute " + s + " because ", new Exception());
}
results = statement.executeQuery(s);
ResultSetMetaData meta = results.getMetaData();
map = new HashMap<String, String>();
if (results.next()) {
for (int i = 1; i <= meta.getColumnCount(); i++) {
String value = org.mmbase.util.Casting.toString(results.getString(i));
map.put(meta.getColumnName(i).toLowerCase(), value);
}
}
long duration = (System.currentTimeMillis() - start);
if (duration > 500) {
log.warn("Executed " + s + " in " + duration + " ms");
} else if (duration > 100) {
log.debug("Executed " + s + " in " + duration + " ms");
} else {
log.trace("Executed " + s + " in " + duration + " ms");
}
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
} finally {
if (results != null)
try {
results.close();
} catch (Exception e) {
}
if (statement != null)
try {
statement.close();
} catch (Exception e) {
}
if (connection != null)
try {
connection.close();
} catch (Exception e) {
}
}
}
}
@Override
public Set<Map.Entry<String, String>> entrySet() {
check();
return map.entrySet();
}
@Override
public int size() {
check();
return map.size();
}
@Override
public String get(Object key) {
if (JdbcIndexDefinition.this.identifier.equals(key)) return identifier;
if (keys.containsKey(key)) return keys.get(key);
check();
return map.get(key);
}
@Override
public boolean containsKey(Object key) {
if (JdbcIndexDefinition.this.identifier.equals(key)) return true;
if (keys.containsKey(key)) return true;
check();
return map.containsKey(key);
}
@Override
public String toString() {
if (map != null) {
return map.toString();
} else {
return "[LAZY node " + identifier + "]";
}
}
}
@Override
public org.mmbase.bridge.Node getNode(final Cloud userCloud, final Document doc) {
String docId = doc.get("number");
if (docId == null) {
throw new IllegalArgumentException("No number found in " + doc);
}
LazyMap m = nodeCache.get(docId); //
if (m == null) {
Map<String, String> keys = new HashMap<String, String>();
for (String keyWord : keyWords) {
keys.put(keyWord, doc.get(keyWord));
}
m = new LazyMap(docId, keys);
nodeCache.put(docId, m);
}
org.mmbase.bridge.Node node =
new MapNode<String>(
m,
new MapNodeManager(userCloud, m) {
@Override
public boolean hasField(String name) {
if (JdbcIndexDefinition.this.key.equals(name)) return true;
return super.hasField(name);
}
@Override
public org.mmbase.bridge.Field getField(String name) {
if (map == null && JdbcIndexDefinition.this.key.equals(name)) {
org.mmbase.core.CoreField fd =
org.mmbase.core.util.Fields.createField(
name,
org.mmbase.core.util.Fields.classToType(Object.class),
org.mmbase.bridge.Field.TYPE_UNKNOWN,
org.mmbase.bridge.Field.STATE_VIRTUAL,
null);
return new org.mmbase.bridge.implementation.BasicField(fd, this);
} else {
return super.getField(name);
}
}
});
if (log.isDebugEnabled()) {
log.debug("Returning node for " + node);
}
return node;
}
@Override
public CloseableIterator<JdbcEntry> getCursor() {
assert !isSub;
return getSqlCursor(indexSql);
}
@Override
public CloseableIterator<JdbcEntry> getSubCursor(String identifier) {
if (isSub) {
log.debug("Using getSubCursor for " + identifier);
return getSqlCursor(getSql(identifier));
} else {
return getSqlCursor(getFindSql(identifier));
}
}
@Override
public String toString() {
return indexSql;
}
public class JdbcEntry implements IndexEntry {
final ResultSetMetaData meta;
final ResultSet results;
final String sql;
JdbcEntry(ResultSetMetaData m, ResultSet r, String s) {
log.trace("new JDBC Entry");
meta = m;
results = r;
sql = s;
}
@Override
public void index(Document document) {
if (log.isTraceEnabled()) {
log.trace(
"Indexing "
+ sql
+ " id="
+ JdbcIndexDefinition.this.identifier
+ ", key = "
+ JdbcIndexDefinition.this.key);
}
String id = getIdentifier();
if (id != null) {
document.add(
new Field(
"builder",
"VIRTUAL BUILDER",
Field.Store.YES,
Field.Index.NOT_ANALYZED)); // keyword
document.add(
new Field(
"number", getIdentifier(), Field.Store.YES, Field.Index.NOT_ANALYZED)); // keyword
}
try {
for (int i = 1; i <= meta.getColumnCount(); i++) {
String value = org.mmbase.util.Casting.toString(results.getString(i));
if (log.isTraceEnabled()) {
log.trace(
"Indexing " + value + " for " + meta.getColumnName(i) + " on " + getIdentifier());
}
String fieldName = meta.getColumnName(i);
if (keyWords.contains(fieldName)) {
Indexer.addField(
document,
new Field(fieldName, value, Field.Store.YES, Field.Index.NOT_ANALYZED),
nonDefaultMultiples.get(fieldName)); // keyword
} else {
Field field = new Field(fieldName, value, Field.Store.YES, Field.Index.ANALYZED);
Float boost = boosts.get(fieldName);
if (boost != null) {
field.setBoost(boost);
}
Indexer.addField(document, field, nonDefaultMultiples.get(fieldName));
Field fullText = new Field("fulltext", value, Field.Store.YES, Field.Index.ANALYZED);
if (boost != null) {
fullText.setBoost(boost);
}
document.add(fullText);
}
}
} catch (SQLException sqe) {
log.error(sqe.getMessage(), sqe);
}
}
@Override
public Collection<IndexDefinition> getSubDefinitions() {
return JdbcIndexDefinition.this.subQueries;
}
@Override
public String getIdentifier() {
if (JdbcIndexDefinition.this.identifier != null
&& !JdbcIndexDefinition.this.identifier.equals("")) {
try {
return results.getString(JdbcIndexDefinition.this.identifier);
} catch (SQLException sqe) {
log.error(meta + " " + sqe.getMessage(), sqe);
return "";
}
} else {
return null;
}
}
@Override
public String getKey() {
if (JdbcIndexDefinition.this.key != null && !JdbcIndexDefinition.this.key.equals("")) {
try {
return results.getString(JdbcIndexDefinition.this.key);
} catch (SQLException sqe) {
log.error(sqe.getMessage(), sqe);
return "";
}
} else {
return null;
}
}
public Set<String> getIdentifiers() {
Set<String> ids = new HashSet<String>();
ids.add(getIdentifier());
return ids;
}
}
}
