001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.client;
019
020import java.util.function.IntSupplier;
021import org.apache.hadoop.hbase.TableName;
022import org.apache.hadoop.hbase.util.ReflectionUtils;
023import org.apache.yetus.audience.InterfaceAudience;
024
025/**
026 * Factory to create a {@link CatalogReplicaLoadBalanceSelector}
027 */
028@InterfaceAudience.Private
029final class CatalogReplicaLoadBalanceSelectorFactory {
030  /**
031   * Private Constructor
032   */
033  private CatalogReplicaLoadBalanceSelectorFactory() {
034  }
035
036  /**
037   * Create a CatalogReplicaLoadBalanceReplicaSelector based on input config.
038   * @param replicaSelectorClass Selector classname.
039   * @param tableName            System table name.
040   * @param conn                 {@link AsyncConnectionImpl}
041   * @return {@link CatalogReplicaLoadBalanceSelector}
042   */
043  public static CatalogReplicaLoadBalanceSelector createSelector(String replicaSelectorClass,
044    TableName tableName, AsyncConnectionImpl conn, IntSupplier getReplicaCount) {
045    return ReflectionUtils.instantiateWithCustomCtor(replicaSelectorClass,
046      new Class[] { TableName.class, AsyncConnectionImpl.class, IntSupplier.class },
047      new Object[] { tableName, conn, getReplicaCount });
048  }
049}