de.deepamehta.workspaces.migrations.Migration5 Maven / Gradle / Ivy
package de.deepamehta.workspaces.migrations;
import de.deepamehta.core.Association;
import de.deepamehta.core.DeepaMehtaObject;
import de.deepamehta.core.RelatedTopic;
import de.deepamehta.core.Topic;
import de.deepamehta.core.model.ChildTopicsModel;
import de.deepamehta.core.model.SimpleValue;
import de.deepamehta.core.model.TopicModel;
import de.deepamehta.core.service.Migration;
import java.util.List;
import java.util.logging.Logger;
/**
* Runs only in UPDATE mode.
*
* Part of DM 4.5
*/
public class Migration5 extends Migration {
// ------------------------------------------------------------------------------------------------------- Constants
// Note: copy in WorkspacesPlugin.java
private static final String PROP_WORKSPACE_ID = "dm4.workspaces.workspace_id";
// ---------------------------------------------------------------------------------------------- Instance Variables
private long objects = 0, initialized = 0, ambiguous = 0;;
private Logger logger = Logger.getLogger(getClass().getName());
// -------------------------------------------------------------------------------------------------- Public Methods
@Override
public void run() {
//
// 1) Initializes workspace properties
//
logger.info("########## Initializing workspace properties");
for (Topic topic : dm4.getAllTopics()) {
initWorkspaceProperty(topic);
}
for (Association assoc : dm4.getAllAssociations()) {
initWorkspaceProperty(assoc);
}
logger.info("########## Initializing workspace properties complete\n Objects processed: " + objects +
"\n initialized: " + initialized + "\n ambiguous: " + ambiguous);
//
// 2) Changes cardinality of the workspace facet to "one".
//
dm4.getTopicType("dm4.workspaces.workspace_facet").getAssocDef("dm4.workspaces.workspace")
.setChildCardinalityUri("dm4.core.one");
//
// 3) Corrects URI of the "DeepaMehta" workspace: "de." -> "dm4."
//
dm4.getTopicByUri("de.workspaces.deepamehta").setUri("dm4.workspaces.deepamehta");
//
// 4) Sets the sharing mode of all workspaces to "Public".
//
for (Topic workspace : dm4.getTopicsByType("dm4.workspaces.workspace")) {
workspace.update(mf.newTopicModel(mf.newChildTopicsModel()
.putRef("dm4.workspaces.sharing_mode", "dm4.workspaces.public")
));
// Note: instead of calling update(...) on the entire topic object we could update the child selectively:
// workspace.getChildTopics().setRef("dm4.workspaces.sharing_mode", "dm4.workspaces.public")
// This would be much more concise. However in this case the topic will loose its label.
// ### TODO: fix that error in the labeling mechanism. ### TODO: check if already fixed
}
}
// ------------------------------------------------------------------------------------------------- Private Methods
private void initWorkspaceProperty(DeepaMehtaObject object) {
List workspaces = object.getRelatedTopics("dm4.core.aggregation", "dm4.core.parent",
"dm4.core.child", "dm4.workspaces.workspace");
objects++;
switch (workspaces.size()) {
case 0:
break;
case 1:
long workspaceId = workspaces.get(0).getId();
object.setProperty(PROP_WORKSPACE_ID, workspaceId, false); // addToIndex=false
initialized++;
break;
default:
// Note: user account related topics get proprietary workspace assignments.
// This is performed in Access Control migration #8 later on.
if (!isUserAccountRelated(object)) {
logger.warning("##### " + info(object) + " has ambiguous workspace assignments (" +
workspaces.size() + ") -- This object will get NO workspace assignment " +
"in DM 4.5 and will not be editable anymore");
ambiguous++;
}
}
}
private boolean isUserAccountRelated(DeepaMehtaObject object) {
String typeUri = object.getTypeUri();
return typeUri.equals("dm4.accesscontrol.user_account") ||
typeUri.equals("dm4.accesscontrol.username") ||
typeUri.equals("dm4.accesscontrol.password");
}
// ---
private String info(DeepaMehtaObject object) {
if (object instanceof Topic) {
return "topic " + object.getId() + " (typeUri=\"" + object.getTypeUri() + "\", value=\"" +
object.getSimpleValue() + "\", uri=\"" + object.getUri() + "\")";
} else if (object instanceof Association) {
return "association " + object.getId() + " (typeUri=\"" + object.getTypeUri() + "\")";
} else {
throw new RuntimeException("Unexpected object: " + object);
}
}
}