modules/core/src/main/java/org/apache/ignite/spi/metric/ReadOnlyMetricRegistry.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.ignite.spi.metric;

import org.jetbrains.annotations.Nullable;

/**
 * Read only metric registry.
 */
public interface ReadOnlyMetricRegistry extends Iterable<Metric> {
    /** @return Registry name. */
    public String name();

    /**
     * @param name Name of the metric.
     * @return Metric with specified name if exists. Null otherwise.
     */
    @Nullable public <M extends Metric> M findMetric(String name);
}