org.springframework.jmx.support.NotificationListenerHolder Maven / Gradle / Ivy
/*
* Copyright 2002-2017 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.support;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import javax.management.MalformedObjectNameException;
import javax.management.NotificationFilter;
import javax.management.NotificationListener;
import javax.management.ObjectName;
import org.springframework.lang.Nullable;
import org.springframework.util.ObjectUtils;
/**
* Helper class that aggregates a {@link javax.management.NotificationListener},
* a {@link javax.management.NotificationFilter}, and an arbitrary handback
* object, as well as the names of MBeans from which the listener wishes
* to receive {@link javax.management.Notification Notifications}.
*
* @author Juergen Hoeller
* @since 2.5.2
* @see org.springframework.jmx.export.NotificationListenerBean
* @see org.springframework.jmx.access.NotificationListenerRegistrar
*/
public class NotificationListenerHolder {
@Nullable
private NotificationListener notificationListener;
@Nullable
private NotificationFilter notificationFilter;
@Nullable
private Object handback;
@Nullable
protected Set