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/*
 * 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.dinky.shaded.paimon.metrics;

import java.util.LinkedHashMap;
import java.util.Map;

/** Factory to create {@link MetricGroup}s. */
public abstract class MetricRegistry {

    private static final String KEY_TABLE = "table";
    private static final String KEY_PARTITION = "partition";
    private static final String KEY_BUCKET = "bucket";

    public MetricGroup tableMetricGroup(String groupName, String tableName) {
        Map variables = new LinkedHashMap<>();
        variables.put(KEY_TABLE, tableName);

        return createMetricGroup(groupName, variables);
    }

    public MetricGroup bucketMetricGroup(
            String groupName, String tableName, String partition, int bucket) {
        Map variables = new LinkedHashMap<>();
        variables.put(KEY_TABLE, tableName);
        variables.put(KEY_PARTITION, partition);
        variables.put(KEY_BUCKET, String.valueOf(bucket));

        return createMetricGroup(groupName, variables);
    }

    protected abstract MetricGroup createMetricGroup(
            String groupName, Map variables);
}