hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmMetricsInfo.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.hadoop.ozone.om;

import com.fasterxml.jackson.annotation.JsonProperty;

/**
 * OmMetricsInfo stored in a file, which will be used during OM restart to
 * initialize the metrics. Currently this stores only numKeys.
 */
public class OmMetricsInfo {

  @JsonProperty
  private long numKeys;

  OmMetricsInfo() {
    this.numKeys = 0;
  }

  public long getNumKeys() {
    return numKeys;
  }

  public void setNumKeys(long numKeys) {
    this.numKeys = numKeys;
  }
}