/* * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0 * (the "License"). You may not use this work except in compliance with the License, which is * available at www.apache.org/licenses/LICENSE-2.0 * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, * either express or implied, as more fully set forth in the License. * * See the NOTICE file distributed with this work for information regarding copyright ownership. */ package alluxio.client; import alluxio.wire.MasterInfo; import alluxio.wire.MasterInfo.MasterInfoField; import java.io.Closeable; import java.io.IOException; import java.util.Set; /** * Interface for a client to the meta master. */ public interface MetaMasterClient extends Closeable { /** * @param masterInfoFields optional list of fields to query; if null all fields will be queried * @return the requested master info */ MasterInfo getInfo(Set<MasterInfoField> masterInfoFields) throws IOException; }