1 files changed, 98 insertions, 0 deletions
diff --git a/framework/src/onos/cli/src/main/java/org/onosproject/cli/net/TransactionsCommand.java b/framework/src/onos/cli/src/main/java/org/onosproject/cli/net/TransactionsCommand.java
new file mode 100644
index 00000000..6013a389
--- /dev/null
+++ b/framework/src/onos/cli/src/main/java/org/onosproject/cli/net/TransactionsCommand.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.cli.net;
+
+import java.util.Collection;
+
+import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.commands.Option;
+import org.onlab.util.Tools;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.store.service.StorageAdminService;
+import org.onosproject.store.service.Transaction;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+/**
+ * CLI to work with database transactions in the system.
+ */
+@Command(scope = "onos", name = "transactions",
+        description = "Utility for viewing and redriving database transactions")
+public class TransactionsCommand extends AbstractShellCommand {
+
+    @Option(name = "-r", aliases = "--redrive",
+            description = "Redrive stuck transactions while removing those that are done",
+            required = false, multiValued = false)
+    private boolean redrive = false;
+
+    private static final String FMT = "%-20s %-15s %-10s";
+
+    /**
+     * Displays transactions as text.
+     *
+     * @param transactions transactions
+     */
+    private void displayTransactions(Collection<Transaction> transactions) {
+        print("---------------------------------------------");
+        print(FMT, "Id", "State", "Updated");
+        print("---------------------------------------------");
+        transactions.forEach(txn -> print(FMT, txn.id(), txn.state(),  Tools.timeAgo(txn.lastUpdated())));
+        if (transactions.size() > 0) {
+            print("---------------------------------------------");
+        }
+    }
+
+    /**
+     * Converts collection of transactions into a JSON object.
+     *
+     * @param transactions transactions
+     */
+    private JsonNode json(Collection<Transaction> transactions) {
+        ObjectMapper mapper = new ObjectMapper();
+        ArrayNode txns = mapper.createArrayNode();
+
+        // Create a JSON node for each transaction
+        transactions.stream().forEach(txn -> {
+                    ObjectNode txnNode = mapper.createObjectNode();
+                    txnNode.put("id", txn.id())
+                    .put("state", txn.state().toString())
+                    .put("lastUpdated", txn.lastUpdated());
+                    txns.add(txnNode);
+                });
+
+        return txns;
+    }
+
+    @Override
+    protected void execute() {
+        StorageAdminService storageAdminService = get(StorageAdminService.class);
+
+        if (redrive) {
+            storageAdminService.redriveTransactions();
+            return;
+        }
+
+        Collection<Transaction> transactions = storageAdminService.getTransactions();
+        if (outputJson()) {
+            print("%s", json(transactions));
+        } else {
+            displayTransactions(transactions);
+        }
+    }
+}