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     */
018    
019    package org.apache.hadoop.yarn.api.protocolrecords;
020    
021    import org.apache.hadoop.classification.InterfaceAudience.Public;
022    import org.apache.hadoop.classification.InterfaceStability.Stable;
023    import org.apache.hadoop.yarn.api.ApplicationClientProtocol;
024    import org.apache.hadoop.yarn.api.records.ApplicationId;
025    import org.apache.hadoop.yarn.util.Records;
026    
027    /**
028     * <p>The request sent by clients to get a new {@link ApplicationId} for
029     * submitting an application.</p>
030     * 
031     * <p>Currently, this is empty.</p>
032     * 
033     * @see ApplicationClientProtocol#getNewApplication(GetNewApplicationRequest)
034     */
035    @Public
036    @Stable
037    public abstract class GetNewApplicationRequest {
038      @Public
039      @Stable
040      public static GetNewApplicationRequest newInstance() {
041        GetNewApplicationRequest request =
042            Records.newRecord(GetNewApplicationRequest.class);
043        return request;
044      }
045    }