/**
* Get the singleton instance of this registry
*
* @return singleton {@link TeiidRuntimeRegistry}
* @throws Exception
*/
public static TeiidRuntimeRegistry getInstance() throws Exception {
if (registry == null) {
registry = new TeiidRuntimeRegistry();
registry.load();
}
return registry;
}
/**
* {@inheritDoc}
*
* @see org.teiid.designer.ui.preferences.IGeneralPreferencePageContributor#performOk()
*/
@Override
public boolean performOk() {
// persist value
String versionString = versionCombo.getText();
ITeiidServerVersion version = new TeiidServerVersion(versionString);
if (versionString.equals(getPreferenceStoreValue(false))) return true; // same value - no change
if (ModelerCore.getTeiidServerManager().getDefaultServer() == null && hasOpenEditors()) {
// No default teiid instance and open editors so modelling diagrams may close which could
// surprise!
boolean changeVersion =
MessageDialog.openQuestion(
shell,
Util.getStringOrKey(PREFIX + "versionChangeQuestionTitle"), // $NON-NLS-1$
Util.getStringOrKey(PREFIX + "versionChangeQuestionMessage")); // $NON-NLS-1$
if (!changeVersion) return false;
}
try {
for (ITeiidServerVersion regVersion :
TeiidRuntimeRegistry.getInstance().getSupportedVersions()) {
if (regVersion.compareTo(version)) {
getPreferenceStore().setValue(PREF_ID, regVersion.toString());
return true;
}
}
} catch (Exception ex) {
Util.log(ex);
}
boolean changeVersion =
MessageDialog.openQuestion(
shell,
Util.getStringOrKey(PREFIX + "unsupportedVersionQuestionTitle"), // $NON-NLS-1$
Util.getStringOrKey(PREFIX + "unsupportedVersionQuestionMesssage")); // $NON-NLS-1$
if (changeVersion) {
getPreferenceStore().setValue(PREF_ID, version.toString());
return true;
}
// No runtime client to support default version
return false;
}
/**
* Updates the radio buttons selection states corresponding to the new value.
*
* @param value the new value
*/
private void update(String value) {
List<String> items = new ArrayList<String>();
try {
Collection<ITeiidServerVersion> registeredServerVersions =
TeiidRuntimeRegistry.getInstance().getSupportedVersions();
items = TeiidServerVersion.orderVersions(registeredServerVersions, true);
} catch (Exception ex) {
Util.log(ex);
for (VersionID versionId : VersionID.values()) {
items.add(versionId.toString());
}
}
versionCombo.setItems(items.toArray(new String[0]));
versionCombo.setText(value);
}