Java tutorial
/** * 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.falcon.unit; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.yarn.api.ApplicationClientProtocol; import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenRequest; import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodeLabelsResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetContainersRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetContainersResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetLabelsToNodesRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetLabelsToNodesResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetNodesToLabelsRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetNodesToLabelsResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse; import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest; import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse; import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesRequest; import org.apache.hadoop.yarn.api.protocolrecords.MoveApplicationAcrossQueuesResponse; import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest; import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse; import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteRequest; import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteResponse; import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest; import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionResponse; import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest; import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateResponse; import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest; import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse; import org.apache.hadoop.yarn.api.records.ApplicationReport; import org.apache.hadoop.yarn.exceptions.YarnException; import org.apache.hadoop.yarn.factories.RpcClientFactory; import java.io.IOException; import java.net.InetSocketAddress; import java.util.ArrayList; /** * A Dummy implementation of RpcClientFactory that does not do RPC. * This is required as OozieClient tries to connect to RM via RPC to kill jobs which fails in local mode. */ public final class LocalFalconRPCClientFactory implements RpcClientFactory { private static LocalFalconRPCClientFactory self = new LocalFalconRPCClientFactory(); @Override public Object getClient(Class<?> aClass, long l, InetSocketAddress inetSocketAddress, Configuration configuration) { return new LocalFalconApplicationClientProtocolImpl(); } public static LocalFalconRPCClientFactory get() { return self; } private LocalFalconRPCClientFactory() { } @Override public void stopClient(Object o) { } /** * Dummy implementation of ApplicationClientProtocol that returns a empty list of applications. */ public static class LocalFalconApplicationClientProtocolImpl implements ApplicationClientProtocol { public LocalFalconApplicationClientProtocolImpl() { } @Override public GetNewApplicationResponse getNewApplication(GetNewApplicationRequest getNewApplicationRequest) throws YarnException, IOException { return null; } @Override public SubmitApplicationResponse submitApplication(SubmitApplicationRequest submitApplicationRequest) throws YarnException, IOException { return null; } @Override public KillApplicationResponse forceKillApplication(KillApplicationRequest killApplicationRequest) throws YarnException, IOException { return null; } @Override public GetClusterMetricsResponse getClusterMetrics(GetClusterMetricsRequest getClusterMetricsRequest) throws YarnException, IOException { return null; } @Override public GetClusterNodesResponse getClusterNodes(GetClusterNodesRequest getClusterNodesRequest) throws YarnException, IOException { return null; } @Override public GetQueueInfoResponse getQueueInfo(GetQueueInfoRequest getQueueInfoRequest) throws YarnException, IOException { return null; } @Override public GetQueueUserAclsInfoResponse getQueueUserAcls( GetQueueUserAclsInfoRequest getQueueUserAclsInfoRequest) throws YarnException, IOException { return null; } @Override public MoveApplicationAcrossQueuesResponse moveApplicationAcrossQueues( MoveApplicationAcrossQueuesRequest moveApplicationAcrossQueuesRequest) throws YarnException, IOException { return null; } @Override public ReservationSubmissionResponse submitReservation( ReservationSubmissionRequest reservationSubmissionRequest) throws YarnException, IOException { return null; } @Override public ReservationUpdateResponse updateReservation(ReservationUpdateRequest reservationUpdateRequest) throws YarnException, IOException { return null; } @Override public ReservationDeleteResponse deleteReservation(ReservationDeleteRequest reservationDeleteRequest) throws YarnException, IOException { return null; } @Override public GetNodesToLabelsResponse getNodeToLabels(GetNodesToLabelsRequest getNodesToLabelsRequest) throws YarnException, IOException { return null; } @Override public GetLabelsToNodesResponse getLabelsToNodes(GetLabelsToNodesRequest getLabelsToNodesRequest) throws YarnException, IOException { return null; } @Override public GetClusterNodeLabelsResponse getClusterNodeLabels( GetClusterNodeLabelsRequest getClusterNodeLabelsRequest) throws YarnException, IOException { return null; } @Override public GetApplicationReportResponse getApplicationReport( GetApplicationReportRequest getApplicationReportRequest) throws YarnException, IOException { return null; } @Override public GetApplicationsResponse getApplications(GetApplicationsRequest getApplicationsRequest) throws YarnException, IOException { return GetApplicationsResponse.newInstance(new ArrayList<ApplicationReport>()); } @Override public GetApplicationAttemptReportResponse getApplicationAttemptReport( GetApplicationAttemptReportRequest getApplicationAttemptReportRequest) throws YarnException, IOException { return null; } @Override public GetApplicationAttemptsResponse getApplicationAttempts( GetApplicationAttemptsRequest getApplicationAttemptsRequest) throws YarnException, IOException { return null; } @Override public GetContainerReportResponse getContainerReport(GetContainerReportRequest getContainerReportRequest) throws YarnException, IOException { return null; } @Override public GetContainersResponse getContainers(GetContainersRequest getContainersRequest) throws YarnException, IOException { return null; } @Override public GetDelegationTokenResponse getDelegationToken(GetDelegationTokenRequest getDelegationTokenRequest) throws YarnException, IOException { return null; } @Override public RenewDelegationTokenResponse renewDelegationToken( RenewDelegationTokenRequest renewDelegationTokenRequest) throws YarnException, IOException { return null; } @Override public CancelDelegationTokenResponse cancelDelegationToken( CancelDelegationTokenRequest cancelDelegationTokenRequest) throws YarnException, IOException { return null; } } }