geronimo-health-common/src/main/java/org/apache/geronimo/microprofile/common/registry/HealthChecksRegistry.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.geronimo.microprofile.common.registry;

import java.util.Collection;
import java.util.Iterator;
import java.util.ServiceLoader;

import org.eclipse.microprofile.health.HealthCheck;

public interface HealthChecksRegistry {
    Collection<HealthCheck> getChecks();

    static HealthChecksRegistry load() {
        final Iterator<HealthChecksRegistry> iterator = ServiceLoader.load(HealthChecksRegistry.class).iterator();
        if (iterator.hasNext()) {
            return iterator.next();
        }
        throw new IllegalStateException("No implementation of HealthChecksRegistry found");
    }
}