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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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.tez.dag.history.logging.ats; import java.util.Collection; import java.util.HashSet; import java.util.Set; import java.util.SortedSet; import org.apache.hadoop.yarn.api.records.ApplicationId; import org.apache.hadoop.yarn.api.records.ContainerId; import org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId; import org.apache.hadoop.yarn.server.timeline.NameValuePair; import org.apache.hadoop.yarn.server.timeline.TimelineEntityGroupPlugin; import org.apache.tez.dag.history.logging.EntityTypes; import org.apache.tez.dag.records.TezDAGID; import org.apache.tez.dag.records.TezTaskAttemptID; import org.apache.tez.dag.records.TezTaskID; import org.apache.tez.dag.records.TezVertexID; import com.google.common.collect.Sets; public class TimelineCachePluginImpl extends TimelineEntityGroupPlugin { private static Set<String> summaryEntityTypes; private static Set<String> knownEntityTypes; static { knownEntityTypes = Sets.newHashSet(EntityTypes.TEZ_DAG_ID.name(), EntityTypes.TEZ_VERTEX_ID.name(), EntityTypes.TEZ_TASK_ID.name(), EntityTypes.TEZ_TASK_ATTEMPT_ID.name(), EntityTypes.TEZ_CONTAINER_ID.name()); summaryEntityTypes = Sets.newHashSet(EntityTypes.TEZ_DAG_ID.name(), EntityTypes.TEZ_APPLICATION_ATTEMPT.name(), EntityTypes.TEZ_APPLICATION.name()); } // Empty public constructor public TimelineCachePluginImpl() { } private TimelineEntityGroupId convertToTimelineEntityGroupId(String entityType, String entityId) { if (entityType == null || entityType.isEmpty() || entityId == null || entityId.isEmpty()) { return null; } if (entityType.equals(EntityTypes.TEZ_DAG_ID.name())) { TezDAGID dagId = TezDAGID.fromString(entityId); if (dagId != null) { return TimelineEntityGroupId.newInstance(dagId.getApplicationId(), dagId.toString()); } } else if (entityType.equals(EntityTypes.TEZ_VERTEX_ID.name())) { TezVertexID vertexID = TezVertexID.fromString(entityId); if (vertexID != null) { return TimelineEntityGroupId.newInstance(vertexID.getDAGId().getApplicationId(), vertexID.getDAGId().toString()); } } else if (entityType.equals(EntityTypes.TEZ_TASK_ID.name())) { TezTaskID taskID = TezTaskID.fromString(entityId); if (taskID != null) { return TimelineEntityGroupId.newInstance(taskID.getVertexID().getDAGId().getApplicationId(), taskID.getVertexID().getDAGId().toString()); } } else if (entityType.equals(EntityTypes.TEZ_TASK_ATTEMPT_ID.name())) { TezTaskAttemptID taskAttemptID = TezTaskAttemptID.fromString(entityId); if (taskAttemptID != null) { return TimelineEntityGroupId.newInstance( taskAttemptID.getTaskID().getVertexID().getDAGId().getApplicationId(), taskAttemptID.getTaskID().getVertexID().getDAGId().toString()); } } else if (entityType.equals(EntityTypes.TEZ_CONTAINER_ID.name())) { String cId = entityId; if (cId.startsWith("tez_")) { cId = cId.substring(4); } ContainerId containerId = ContainerId.fromString(cId); if (containerId != null) { return TimelineEntityGroupId.newInstance(containerId.getApplicationAttemptId().getApplicationId(), containerId.getApplicationAttemptId().getApplicationId().toString()); } } return null; } @Override public Set<TimelineEntityGroupId> getTimelineEntityGroupId(String entityType, NameValuePair primaryFilter, Collection<NameValuePair> secondaryFilters) { if (!knownEntityTypes.contains(entityType) || primaryFilter == null || !knownEntityTypes.contains(primaryFilter.getName()) || summaryEntityTypes.contains(entityType)) { return null; } TimelineEntityGroupId groupId = convertToTimelineEntityGroupId(primaryFilter.getName(), primaryFilter.getValue().toString()); if (groupId != null) { TimelineEntityGroupId appGroupId = TimelineEntityGroupId.newInstance(groupId.getApplicationId(), groupId.getApplicationId().toString()); return Sets.newHashSet(groupId, appGroupId); } return null; } @Override public Set<TimelineEntityGroupId> getTimelineEntityGroupId(String entityId, String entityType) { if (!knownEntityTypes.contains(entityType) || summaryEntityTypes.contains(entityType)) { return null; } TimelineEntityGroupId groupId = convertToTimelineEntityGroupId(entityType, entityId); if (groupId != null) { TimelineEntityGroupId appGroupId = TimelineEntityGroupId.newInstance(groupId.getApplicationId(), groupId.getApplicationId().toString()); return Sets.newHashSet(groupId, appGroupId); } return null; } @Override public Set<TimelineEntityGroupId> getTimelineEntityGroupId(String entityType, SortedSet<String> entityIds, Set<String> eventTypes) { if (!knownEntityTypes.contains(entityType) || summaryEntityTypes.contains(entityType) || entityIds == null || entityIds.isEmpty()) { return null; } Set<TimelineEntityGroupId> groupIds = new HashSet<TimelineEntityGroupId>(); Set<ApplicationId> appIdSet = new HashSet<ApplicationId>(); for (String entityId : entityIds) { TimelineEntityGroupId groupId = convertToTimelineEntityGroupId(entityType, entityId); if (groupId != null) { groupIds.add(groupId); appIdSet.add(groupId.getApplicationId()); } } for (ApplicationId appId : appIdSet) { groupIds.add(TimelineEntityGroupId.newInstance(appId, appId.toString())); } return groupIds; } }