src/main/java/org/apache/sling/distribution/journal/impl/shared/JournalAvailableGauge.java

/*
 * 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.distribution.journal.impl.shared;

import org.apache.sling.commons.metrics.Gauge;
import org.osgi.framework.Constants;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

@Component(property = { 
        Constants.SERVICE_DESCRIPTION + "=Journal Availablility Status",
        Constants.SERVICE_VENDOR + "=The Apache Software Foundation",
        "name=" + DistributionMetricsService.BASE_COMPONENT + ".journal_available"})
public class JournalAvailableGauge implements Gauge<Boolean>{
    @Reference
    private JournalAvailableChecker journalChecker;

    @Override
    public Boolean getValue() {
        return journalChecker.isAvailable();
    }

}