001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.activemq.broker.jmx; 018 019import java.util.concurrent.Callable; 020import org.apache.activemq.store.PersistenceAdapter; 021 022public class PersistenceAdapterView implements PersistenceAdapterViewMBean { 023 024 private final String name; 025 private final PersistenceAdapter persistenceAdapter; 026 027 private Callable<String> inflightTransactionViewCallable; 028 private Callable<String> dataViewCallable; 029 030 public PersistenceAdapterView(PersistenceAdapter adapter) { 031 this.name = adapter.toString(); 032 this.persistenceAdapter = adapter; 033 } 034 035 @Override 036 public String getName() { 037 return name; 038 } 039 040 @Override 041 public String getTransactions() { 042 return invoke(inflightTransactionViewCallable); 043 } 044 045 @Override 046 public String getData() { 047 return invoke(dataViewCallable); 048 } 049 050 @Override 051 public long getSize() { 052 return persistenceAdapter.size(); 053 } 054 055 private String invoke(Callable<String> callable) { 056 String result = null; 057 if (callable != null) { 058 try { 059 result = callable.call(); 060 } catch (Exception e) { 061 result = e.toString(); 062 } 063 } 064 return result; 065 } 066 067 public void setDataViewCallable(Callable<String> dataViewCallable) { 068 this.dataViewCallable = dataViewCallable; 069 } 070 071 public void setInflightTransactionViewCallable(Callable<String> inflightTransactionViewCallable) { 072 this.inflightTransactionViewCallable = inflightTransactionViewCallable; 073 } 074}