| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // 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 com.cloud.utils.db; |
| |
| import java.sql.Connection; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import javax.management.StandardMBean; |
| |
| import com.cloud.utils.db.TransactionLegacy.StackElement; |
| |
| public class TransactionMBeanImpl extends StandardMBean implements TransactionMBean { |
| |
| Map<Long, TransactionLegacy> _txns = new ConcurrentHashMap<Long, TransactionLegacy>(); |
| |
| public TransactionMBeanImpl() { |
| super(TransactionMBean.class, false); |
| } |
| |
| public void addTransaction(TransactionLegacy txn) { |
| _txns.put(txn.getId(), txn); |
| } |
| |
| public void removeTransaction(TransactionLegacy txn) { |
| _txns.remove(txn.getId()); |
| } |
| |
| @Override |
| public int getTransactionCount() { |
| return _txns.size(); |
| } |
| |
| @Override |
| public int[] getActiveTransactionCount() { |
| int[] count = new int[2]; |
| count[0] = 0; |
| count[1] = 0; |
| for (TransactionLegacy txn : _txns.values()) { |
| if (txn.getStack().size() > 0) { |
| count[0]++; |
| } |
| if (txn.getCurrentConnection() != null) { |
| count[1]++; |
| } |
| } |
| return count; |
| } |
| |
| @Override |
| public List<Map<String, String>> getTransactions() { |
| ArrayList<Map<String, String>> txns = new ArrayList<Map<String, String>>(); |
| for (TransactionLegacy info : _txns.values()) { |
| txns.add(toMap(info)); |
| } |
| return txns; |
| } |
| |
| @Override |
| public List<Map<String, String>> getActiveTransactions() { |
| ArrayList<Map<String, String>> txns = new ArrayList<Map<String, String>>(); |
| for (TransactionLegacy txn : _txns.values()) { |
| if (txn.getStack().size() > 0 || txn.getCurrentConnection() != null) { |
| txns.add(toMap(txn)); |
| } |
| } |
| return txns; |
| } |
| |
| protected Map<String, String> toMap(TransactionLegacy txn) { |
| Map<String, String> map = new HashMap<String, String>(); |
| map.put("name", txn.getName()); |
| map.put("id", Long.toString(txn.getId())); |
| map.put("creator", txn.getCreator()); |
| Connection conn = txn.getCurrentConnection(); |
| map.put("db", conn != null ? Integer.toString(System.identityHashCode(conn)) : "none"); |
| StringBuilder buff = new StringBuilder(); |
| for (StackElement element : txn.getStack()) { |
| buff.append(element.toString()).append(","); |
| } |
| map.put("stack", buff.toString()); |
| |
| return map; |
| } |
| |
| @Override |
| public List<Map<String, String>> getTransactionsWithDatabaseConnection() { |
| ArrayList<Map<String, String>> txns = new ArrayList<Map<String, String>>(); |
| for (TransactionLegacy txn : _txns.values()) { |
| if (txn.getCurrentConnection() != null) { |
| txns.add(toMap(txn)); |
| } |
| } |
| return txns; |
| } |
| } |