SimpleKeyGenerator.java

/*
 * Copyright 2015-2016 http://hsweb.me
 *
 * 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.hsweb.concureent.cache;

import org.springframework.cache.interceptor.KeyGenerator;

import java.lang.reflect.Method;

/**
 * @author zhouhao
 * @TODO
 */
public class SimpleKeyGenerator implements KeyGenerator {
    @Override
    public Object generate(Object target, Method method, Object... params) {
        StringBuilder sb = new StringBuilder();
        sb.append(target.getClass().getName());
        sb.append(method.getName());
        for (Object obj : params) {
            if (obj == null) obj = "null";
            sb.append(obj.hashCode());
        }
        return sb.toString();
    }
}