package org.vamsas.test.simpleclient;
import java.io.File;
+import java.io.IOException;
+import java.util.Date;
+import java.util.Hashtable;
+import java.util.Vector;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
+import org.exolab.castor.xml.MarshalException;
+import org.exolab.castor.xml.ValidationException;
import org.vamsas.client.ClientHandle;
+import org.vamsas.client.IVorbaIdFactory;
+import org.vamsas.client.SessionHandle;
import org.vamsas.client.UserHandle;
+import org.vamsas.client.Vobject;
+import org.vamsas.client.VorbaId;
+import org.vamsas.client.simpleclient.AppDataOutputStream;
import org.vamsas.client.simpleclient.FileWatcher;
+import org.vamsas.client.simpleclient.IdFactory;
import org.vamsas.client.simpleclient.SessionFile;
+import org.vamsas.client.simpleclient.SimpleDocBinding;
+import org.vamsas.client.simpleclient.SimpleDocument;
import org.vamsas.client.simpleclient.VamsasArchive;
+import org.vamsas.client.simpleclient.VamsasArchiveReader;
import org.vamsas.client.simpleclient.VamsasFile;
+import org.vamsas.objects.core.AppData;
+import org.vamsas.objects.core.ApplicationData;
+import org.vamsas.objects.core.User;
+import org.vamsas.objects.core.VamsasDocument;
+import org.vamsas.objects.utils.AppDataReference;
+import org.vamsas.objects.utils.DocumentStuff;
+import org.vamsas.objects.utils.ProvenanceStuff;
+import org.vamsas.objects.utils.SeqSet;
+import org.vamsas.objects.utils.document.VersionEntries;
+import org.vamsas.test.objects.Core;
/**
* @author jimp
* test the VamsasFile routines for watching, reading and updating a vamsas document jar file.
+ * simple document access base class.
*/
-public class ArchiveClient {
- Log log = LogFactory.getLog(ArchiveClient.class);
- UserHandle user=null;
- ClientHandle me = new ClientHandle("ArchiveClient","0.01");
+public class ArchiveClient extends IdFactory {
+
+ private Log log = LogFactory.getLog(ArchiveClient.class);
+ // protected UserHandle user=null;
+ // protected ClientHandle me = new ClientHandle("ArchiveClient","0.01");
VamsasFile vsess;
/**
* @param vsess
*/
public ArchiveClient(UserHandle user, VamsasFile vsess) {
- super();
- this.user = user;
+ super(new SessionHandle("vamsasfile://"+vsess.getVamsasFile()), new ClientHandle("ArchiveClient","0.01"), user);
this.vsess = vsess;
+ valid();
}
- public ArchiveClient(String username, String organization, String vsess) {
- super();
- this.user = new UserHandle(username, organization);
+ private void _openVsess(File vsess) {
try {
- this.vsess = new VamsasFile(new File(vsess));
- } catch (Exception e) {
- log.error("Couldn't open session on file "+vsess,e);
- this.vsess=null;
+ this.vsess = new VamsasFile(vsess);
}
+ catch (Exception e) {
+ log.error("Couldn't open session for file "+vsess,e);
+ this.vsess = null;
+ }
+ }
+ public ArchiveClient(String username, String organization, File vsess) {
+ super(new SessionHandle("vamsasfile://"+vsess), new ClientHandle("ArchiveClient","0.01"), new UserHandle(username, organization));
+ _openVsess(vsess);
+ valid();
+ }
+ public ArchiveClient(String username, String organization, String clientName, String clientVersion, File vsess) {
+ super(new SessionHandle("vamsasfile://"+vsess), new ClientHandle(clientName, clientVersion), new UserHandle(username, organization));
+ _openVsess(vsess);
+ valid();
}
public void valid() {
if (vsess==null)
throw new Error("ArchiveClient instance is invalid!.");
}
+
/**
- *
+ * watch the document file for updates.
* @param time - length of time to watch for.
- * @return IO interface for session document.
+ * @return read only IO interface for session document.
*/
- public VamsasArchive watch(long time) {
+ public ClientDoc watch(long time) {
valid();
- // wait around watching for a change.
- VamsasArchive varch=null;
- // FileWatcher w = new FileWatcher(vsess);
- return varch;
+ FileWatcher watcher = new FileWatcher(vsess.getVamsasFile());
+ long endtime=System.currentTimeMillis()+time;
+ try {
+ org.vamsas.client.simpleclient.Lock doclock;
+ watcher.setState();
+ do {
+ Thread.sleep(50); // tuning.
+ doclock=watcher.getChangedState();
+ } while (doclock==null && (time==0 || endtime>System.currentTimeMillis()));
+ if (doclock==null)
+ return null;
+ else {
+ doclock = vsess.getLock(doclock);
+ VamsasArchiveReader varc = new VamsasArchiveReader(vsess.getVamsasFile());
+ return _getReadonly(varc);
+ }
+ } catch (Exception e) {
+ log.error("Whilst watching file "+vsess.getVamsasFile(), e);
+ }
+ return null;
+ }
+
+ // from ClientDocument.getClientAppdata
+ private AppData[] getAppData(VamsasDocument doc) {
+ if (doc==null) {
+ log.debug("extractAppData called for null document object");
+ return null;
+ }
+ AppData appsGlobal=null, usersData=null;
+ Vector apldataset = AppDataReference.getUserandApplicationsData(
+ doc, this.getUserHandle(), this.getClientHandle());
+ if (apldataset!=null) {
+ if (apldataset.size()>0) {
+ AppData clientdat = (AppData) apldataset.get(0);
+ if (clientdat instanceof ApplicationData) {
+ appsGlobal = (ApplicationData) clientdat;
+ if (apldataset.size()>1) {
+ clientdat = (AppData) apldataset.get(1);
+ if (clientdat instanceof User) {
+ usersData = (User) clientdat;
+ }
+ if (apldataset.size()>2)
+ log.info("Ignoring additional ("+(apldataset.size()-2)+") AppDatas returned by document appdata query.");
+ }
+ } else {
+ log.warn("Unexpected entry in AppDataReference query: id="+clientdat.getVorbaId()+" type="+clientdat.getClass().getName());
+ }
+ apldataset.removeAllElements(); // destroy references.
+ }
+ }
+ return new AppData[] { appsGlobal, usersData};
+ }
+
+ protected ClientDoc _getReadonly(VamsasArchiveReader vreader) throws IOException, ValidationException, MarshalException {
+ valid();
+ if (vreader!=null) {
+ SimpleDocBinding docb = new SimpleDocBinding();
+ docb.setVorba(this);
+ VamsasDocument d;
+ d = docb.getVamsasDocument(vreader);
+
+ if (d!=null) {
+ ClientDoc creader = new ClientDoc(d, null, vreader, getProvenanceUser(), getVorbaIdHash());
+ return creader;
+ }
+ }
+ return null;
+ }
+ /**
+ * from SimpleClient
+ * @return user field for a provenance entry
+ */
+ protected String getProvenanceUser() {
+ return new String(getUserHandle().getFullName()+" ["+getClientHandle().getClientUrn()+"]");
}
+ public ClientDoc getUpdateable() {
+ valid();
+ try {
+ vsess.getLock();
+ VamsasArchive varc = new VamsasArchive(vsess, true, false); // read archive, write as vamsasDocument, don't erase original contents.
+ varc.setVorba(this);
+ VamsasDocument d = varc.getVamsasDocument(getProvenanceUser(), "Created new document.", VersionEntries.latestVersion()); // VAMSAS: provenance user and client combined
+
+ if (d==null) {
+ log.warn("Backing out from opening a VamsasArchive writable IO session");
+ varc.cancelArchive();
+ return null;
+ }
+ ClientDoc cdoc = new ClientDoc(d, varc, varc.getOriginalArchiveReader(), getProvenanceUser(), getVorbaIdHash());
+ return cdoc;
+ // do appHandle?
+ } catch (Exception e) {
+ log.error("Failed to get Updateable version of "+vsess.getVamsasFile(), e);
+ }
+ return null;
+ }
+ /**
+ * trust client to not do anything stupid to the document roots which will now be written to the archive.
+ * @param cdoc
+ * @return true if write was a success.
+ */
+ public boolean doUpdate(ClientDoc cdoc) {
+ valid();
+ if (cdoc==null) {
+ log.warn("Invalid ClientDoc passed to org.vamsas.test.simpleclient.doUpdate()");
+ return false;
+ }
+ if (cdoc.iohandler==null) {
+ log.warn("Read only ClientDoc object passed to org.vamsas.test.simpleclient.doUpdate()");
+ return false;
+ }
+ if (cdoc.iohandler.getVorba()!=this) {
+ log.error("Mismatch between ClientDoc instances and ArchiveClient instances!");
+ return false;
+ }
+ try {
+ // do any appDatas first.
+ if (cdoc.iohandler.transferRemainingAppDatas())
+ log.debug("Remaining appdatas were transfered.");
+ cdoc.iohandler.putVamsasDocument(cdoc.doc);
+ cdoc.iohandler.closeArchive();
+ cdoc.iohandler=null;
+ cdoc = null;
+ vsess.unLock();
+ } catch (Exception e) {
+ log.warn("While updating archive in "+vsess.getVamsasFile(),e);
+ return false;
+ }
+ return true;
+ }
/**
* @param args
*/
// really simple.
if (args.length<3)
usage();
- ArchiveClient client = new ArchiveClient(args[0],args[1], args[2]);
+ ArchiveClient client = new ArchiveClient(args[0],args[1], new File(args[2]));
+ ClientDoc cdoc=null;
+ // sanity test.
+ try {
+ cdoc = client.getUpdateable();
+ // ArchiveReports.reportDocument(cdoc.doc, cdoc.getReader(), true, System.out);
+ System.out.println("Report Roots :");
+ ArchiveReports.rootReport(cdoc.getVamsasRoots(), true, System.out);
+ cdoc.addVamsasRoot(Core.getDemoVamsas());
+ System.out.println("Doing update.");
+ client.doUpdate(cdoc);
+ cdoc = null;
+ int u=5;
+ while (--u>0) {
+ System.out.println("Watch for more... ("+u+" left)");
+ cdoc = client.watch(0);
+ if (cdoc!=null) {
+ System.out.println("****\nUpdate detected at "+new Date());
+ ArchiveReports.reportDocument(cdoc.doc, cdoc.getReader(), true, System.out);
+ } else {
+ System.out.println("!!!! Null document update detected at "+new Date());
+ }
+ }
+ }
+ catch (Exception e) {
+ client.log.error("Broken!", e);
+ }
+ System.out.println("Finished at "+new Date());
}
-
+ public org.vamsas.client.Vobject getObject(VorbaId id) {
+ Hashtable idhash = this.getVorbaIdHash();
+ if (idhash!=null && idhash.containsKey(id))
+ return (Vobject) idhash.get(id);
+ return null;
+ }
}