Spring Framework example source code file (MethodCounter.java)

This example Spring Framework source code file (MethodCounter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

hashmap, hashmap, integer, integer, io, methodcounter, methodcounter, reflection, serializable, serializable, util

The Spring Framework MethodCounter.java source code

/*
 * Copyright 2002-2007 the original author or authors.
 *
 * 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.springframework.aop.framework;

import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.HashMap;

/**
 * Useful abstract superclass for counting advices etc.
 * 
 * @author Rod Johnson
 */
public class MethodCounter implements Serializable {

	/** Method name --> count, does not understand overloading */
	private HashMap map = new HashMap();

	private int allCount;

	protected void count(Method m) {
		count(m.getName());
	}

	protected void count(String methodName) {
		Integer i = (Integer) map.get(methodName);
		i = (i != null) ? new Integer(i.intValue() + 1) : new Integer(1);
		map.put(methodName, i);
		++allCount;
	}

	public int getCalls(String methodName) {
		Integer i = (Integer) map.get(methodName);
		return (i != null ? i.intValue() : 0);
	}

	public int getCalls() {
		return allCount;
	}

	/**
	 * A bit simplistic: just wants the same class.
	 * Doesn't worry about counts.
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	public boolean equals(Object other) {
		return (other != null && other.getClass() == this.getClass());
	}

	public int hashCode() {
		return getClass().hashCode();
	}

}