MethodSignature.java

/**
 * Copyright 2014 SAP AG
 *
 * 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.aim.mainagent.utils;

import java.util.Arrays;

/**
 * Represents a method.
 * 
 * @author Alexander Wert
 * 
 */
public class MethodSignature {
	private String methodName;
	private Class<?>[] parameters;

	/**
	 * Constructor.
	 * 
	 * @param methodName
	 *            simple name of the method
	 * @param parameters
	 *            array of classes representing the parameter types
	 */
	public MethodSignature(String methodName, Class<?>[] parameters) {
		super();
		this.methodName = methodName;
		this.parameters = parameters;
	}

	/**
	 * @return the methodName
	 */
	public String getMethodName() {
		return methodName;
	}

	/**
	 * @param methodName
	 *            the methodName to set
	 */
	public void setMethodName(String methodName) {
		this.methodName = methodName;
	}

	/**
	 * @return the parameters
	 */
	public Class<?>[] getParameters() {
		return parameters;
	}

	/**
	 * @param parameters
	 *            the parameters to set
	 */
	public void setParameters(Class<?>[] parameters) {
		this.parameters = parameters;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((methodName == null) ? 0 : methodName.hashCode());
		result = prime * result + Arrays.hashCode(parameters);
		return result;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj) {
		if (this == obj) {
			return true;
		}
		if (obj == null) {
			return false;
		}
		if (getClass() != obj.getClass()) {
			return false;
		}
		MethodSignature other = (MethodSignature) obj;
		if (methodName == null) {
			if (other.methodName != null) {
				return false;
			}
		} else if (!methodName.equals(other.methodName)) {
			return false;
		}
		if (!Arrays.equals(parameters, other.parameters)) {
			return false;
		}
		return true;
	}

}