| /* |
| * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| |
| package com.sun.org.glassfish.external.statistics.impl; |
| import com.sun.org.glassfish.external.statistics.StringStatistic; |
| import java.util.Map; |
| import java.lang.reflect.*; |
| |
| /** |
| * @author Sreenivas Munnangi |
| */ |
| public final class StringStatisticImpl extends StatisticImpl |
| implements StringStatistic, InvocationHandler { |
| |
| private volatile String str = null; |
| private final String initStr; |
| |
| private final StringStatistic ss = |
| (StringStatistic) Proxy.newProxyInstance( |
| StringStatistic.class.getClassLoader(), |
| new Class[] { StringStatistic.class }, |
| this); |
| |
| public StringStatisticImpl(String str, String name, String unit, |
| String desc, long sampleTime, long startTime) { |
| super(name, unit, desc, startTime, sampleTime); |
| this.str = str; |
| initStr = str; |
| } |
| |
| public StringStatisticImpl(String name, String unit, String desc) { |
| this("", name, unit, desc, System.currentTimeMillis(), System.currentTimeMillis()); |
| } |
| |
| public synchronized StringStatistic getStatistic() { |
| return ss; |
| } |
| |
| public synchronized Map getStaticAsMap() { |
| Map m = super.getStaticAsMap(); |
| if (getCurrent() != null) { |
| m.put("current", getCurrent()); |
| } |
| return m; |
| } |
| |
| public synchronized String toString() { |
| return super.toString() + NEWLINE + "Current-value: " + getCurrent(); |
| } |
| |
| public String getCurrent() { |
| return str; |
| } |
| |
| public void setCurrent(String str) { |
| this.str = str; |
| sampleTime = System.currentTimeMillis(); |
| } |
| |
| @Override |
| public synchronized void reset() { |
| super.reset(); |
| this.str = initStr; |
| sampleTime = -1L; |
| } |
| |
| // todo: equals implementation |
| public Object invoke(Object proxy, Method m, Object[] args) throws Throwable { |
| checkMethod(m); |
| |
| Object result; |
| try { |
| result = m.invoke(this, args); |
| } catch (InvocationTargetException e) { |
| throw e.getTargetException(); |
| } catch (Exception e) { |
| throw new RuntimeException("unexpected invocation exception: " + |
| e.getMessage()); |
| } |
| return result; |
| } |
| } |