spring IdentityNamingStrategy 源码
spring IdentityNamingStrategy 代码
文件路径：/spring-context/src/main/java/org/springframework/jmx/export/naming/IdentityNamingStrategy.java
/*
* Copyright 2002-2018 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
*
* https://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.jmx.export.naming;
import java.util.Hashtable;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.springframework.jmx.support.ObjectNameManager;
import org.springframework.lang.Nullable;
import org.springframework.util.ClassUtils;
import org.springframework.util.ObjectUtils;
/**
* An implementation of the {@code ObjectNamingStrategy} interface that
* creates a name based on the identity of a given instance.
*
* <p>The resulting {@code ObjectName} will be in the form
* <i>package</i>:class=<i>class name</i>,hashCode=<i>identity hash (in hex)</i>
*
* @author Rob Harrop
* @author Juergen Hoeller
* @since 1.2
*/
public class IdentityNamingStrategy implements ObjectNamingStrategy {
/**
* The type key.
*/
public static final String TYPE_KEY = "type";
/**
* The hash code key.
*/
public static final String HASH_CODE_KEY = "hashCode";
/**
* Returns an instance of {@code ObjectName} based on the identity
* of the managed resource.
*/
@Override
public ObjectName getObjectName(Object managedBean, @Nullable String beanKey) throws MalformedObjectNameException {
String domain = ClassUtils.getPackageName(managedBean.getClass());
Hashtable<String, String> keys = new Hashtable<>();
keys.put(TYPE_KEY, ClassUtils.getShortName(managedBean.getClass()));
keys.put(HASH_CODE_KEY, ObjectUtils.getIdentityHexString(managedBean));
return ObjectNameManager.getInstance(domain, keys);
}
}
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