| /** |
| * 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.gateway.shell.job; |
| |
| import com.jayway.jsonpath.JsonPath; |
| import org.apache.hadoop.gateway.shell.AbstractRequest; |
| import org.apache.hadoop.gateway.shell.BasicResponse; |
| import org.apache.hadoop.gateway.shell.Hadoop; |
| import org.apache.http.HttpResponse; |
| import org.apache.http.NameValuePair; |
| import org.apache.http.client.entity.UrlEncodedFormEntity; |
| import org.apache.http.client.methods.HttpPost; |
| import org.apache.http.client.utils.URIBuilder; |
| import org.apache.http.message.BasicNameValuePair; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.Callable; |
| |
| class Java { |
| |
| public static class Request extends AbstractRequest<Response> { |
| |
| String jar; |
| String app; |
| String input; |
| String output; |
| List<NameValuePair> params = new ArrayList<NameValuePair>(); |
| |
| public Request( Hadoop session ) { |
| super( session ); |
| } |
| |
| public Request jar( String jar ) { |
| this.jar = jar; |
| return this; |
| } |
| |
| public Request app( String app ) { |
| this.app = app; |
| return this; |
| } |
| |
| public Request input( String dir ) { |
| input = dir; |
| return this; |
| } |
| |
| public Request output( String dir ) { |
| output = dir; |
| return this; |
| } |
| |
| public Request arg( String value ) { |
| addParam( params, "arg", value ); |
| return this; |
| } |
| |
| protected Callable<Response> callable() { |
| return new Callable<Response>() { |
| @Override |
| public Response call() throws Exception { |
| URIBuilder uri = uri( Job.SERVICE_PATH, "/mapreduce/jar" ); |
| params.add( new BasicNameValuePair( "jar", jar ) ); |
| params.add( new BasicNameValuePair( "class", app ) ); |
| params.add( new BasicNameValuePair( "arg", input ) ); |
| params.add( new BasicNameValuePair( "arg", output ) ); |
| UrlEncodedFormEntity form = new UrlEncodedFormEntity( params ); |
| HttpPost request = new HttpPost( uri.build() ); |
| request.setEntity( form ); |
| return new Response( execute( request ) ); |
| } |
| }; |
| } |
| |
| } |
| |
| static class Response extends BasicResponse { |
| |
| public Response( HttpResponse response ) { |
| super( response ); |
| } |
| |
| public String getJobId() throws IOException { |
| return JsonPath.read( getString(), "$.id" ); |
| } |
| |
| } |
| |
| } |