/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.sling.installer.core.impl;
import org.apache.sling.installer.api.event.InstallationEvent;
import org.apache.sling.installer.api.event.InstallationListener;
import org.apache.sling.installer.api.info.InfoProvider;
import org.apache.sling.installer.api.jmx.InstallerMBean;
public class InstallerMBeanImpl implements InstallationListener, InstallerMBean {
private final InfoProvider infoProvider;
private volatile boolean active;
private volatile long lastEventTime;
public InstallerMBeanImpl(InfoProvider infoProvider) {
this.infoProvider = infoProvider;
}
//~---------------------------------------< InstallationListener >
@Override
public void onEvent(InstallationEvent event) {
switch (event.getType()) {
case STARTED:
active = true;
break;
case SUSPENDED:
active = false;
break;
default:
// nothing to do
break;
}
lastEventTime = System.currentTimeMillis();
}
//~----------------------------------------< InstallerMBean >
@Override
public int getActiveResourceCount() {
return infoProvider.getInstallationState().getActiveResources().size();
}
@Override
public int getInstalledResourceCount() {
return infoProvider.getInstallationState().getInstalledResources().size();
}
@Override
public boolean isActive() {
return active;
}
@Override
public long getSuspendedSince() {
return active ? -1 : lastEventTime;
}
}