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/*
* 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);
}
}
}
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