X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms.ui.workbench%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fworkbench%2Finternal%2Fuseradmin%2Fcommands%2FUserTransactionHandler.java;fp=org.argeo.cms.ui.workbench%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fworkbench%2Finternal%2Fuseradmin%2Fcommands%2FUserTransactionHandler.java;h=bcee7f039356cbb771e87242ac34b9b1a81b5a96;hb=23b7a170cae60b500e9d45551f26b5075eba73a4;hp=0000000000000000000000000000000000000000;hpb=366986c3687b920a4b68eb0a0fadf3bc19dbb1bd;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/commands/UserTransactionHandler.java b/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/commands/UserTransactionHandler.java
new file mode 100644
index 000000000..bcee7f039
--- /dev/null
+++ b/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/commands/UserTransactionHandler.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.cms.ui.workbench.internal.useradmin.commands;
+
+import javax.transaction.Status;
+import javax.transaction.UserTransaction;
+
+import org.argeo.cms.CmsException;
+import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
+import org.argeo.cms.ui.workbench.internal.useradmin.UiAdminUtils;
+import org.argeo.cms.ui.workbench.internal.useradmin.UserAdminWrapper;
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.osgi.service.useradmin.UserAdminEvent;
+
+/** Manage the transaction that is bound to the current perspective */
+public class UserTransactionHandler extends AbstractHandler {
+	public final static String ID = WorkbenchUiPlugin.PLUGIN_ID
+			+ ".userTransactionHandler";
+
+	public final static String PARAM_COMMAND_ID = "param.commandId";
+
+	public final static String TRANSACTION_BEGIN = "transaction.begin";
+	public final static String TRANSACTION_COMMIT = "transaction.commit";
+	public final static String TRANSACTION_ROLLBACK = "transaction.rollback";
+
+	/* DEPENDENCY INJECTION */
+	private UserAdminWrapper userAdminWrapper;
+
+	public Object execute(ExecutionEvent event) throws ExecutionException {
+		String commandId = event.getParameter(PARAM_COMMAND_ID);
+		final UserTransaction userTransaction = userAdminWrapper
+				.getUserTransaction();
+		try {
+			if (TRANSACTION_BEGIN.equals(commandId)) {
+				if (userTransaction.getStatus() != Status.STATUS_NO_TRANSACTION)
+					throw new CmsException("A transaction already exists");
+				else
+					userTransaction.begin();
+			} else if (TRANSACTION_COMMIT.equals(commandId)) {
+				if (userTransaction.getStatus() == Status.STATUS_NO_TRANSACTION)
+					throw new CmsException("No transaction.");
+				else
+					userTransaction.commit();
+			} else if (TRANSACTION_ROLLBACK.equals(commandId)) {
+				if (userTransaction.getStatus() == Status.STATUS_NO_TRANSACTION)
+					throw new CmsException("No transaction to rollback.");
+				else {
+					userTransaction.rollback();
+					userAdminWrapper.notifyListeners(new UserAdminEvent(null,
+							UserAdminEvent.ROLE_CHANGED, null));
+				}
+			}
+
+			UiAdminUtils.notifyTransactionStateChange(userTransaction);
+			// Try to remove invalid thread access errors when managing users.
+			// HandlerUtil.getActivePart(event).getSite().getShell().getDisplay()
+			// .asyncExec(new Runnable() {
+			// @Override
+			// public void run() {
+			// UiAdminUtils
+			// .notifyTransactionStateChange(userTransaction);
+			// }
+			// });
+
+		} catch (CmsException e) {
+			throw e;
+		} catch (Exception e) {
+			throw new CmsException("Unable to call " + commandId + " on "
+					+ userTransaction, e);
+		}
+		return null;
+	}
+
+	/* DEPENDENCY INJECTION */
+	public void setUserAdminWrapper(UserAdminWrapper userAdminWrapper) {
+		this.userAdminWrapper = userAdminWrapper;
+	}
+}
\ No newline at end of file