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YARN-4074. [timeline reader] implement support for querying for flows…
… and flow runs (sjlee via vrushali)
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.../src/main/java/org/apache/hadoop/yarn/api/records/timelineservice/FlowActivityEntity.java
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| /* | ||
| * 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.yarn.api.records.timelineservice; | ||
|
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||
| import java.util.Collection; | ||
| import java.util.Date; | ||
| import java.util.NavigableSet; | ||
| import java.util.TreeSet; | ||
|
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| import javax.xml.bind.annotation.XmlElement; | ||
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| import org.apache.hadoop.classification.InterfaceAudience.Public; | ||
| import org.apache.hadoop.classification.InterfaceStability.Unstable; | ||
|
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| /** | ||
| * Entity that represents a record for flow activity. It's essentially a | ||
| * container entity for flow runs with limited information. | ||
| */ | ||
| @Public | ||
| @Unstable | ||
| public class FlowActivityEntity extends TimelineEntity { | ||
| public static final String CLUSTER_INFO_KEY = | ||
| TimelineEntity.SYSTEM_INFO_KEY_PREFIX + "CLUSTER"; | ||
| public static final String DATE_INFO_KEY = | ||
| TimelineEntity.SYSTEM_INFO_KEY_PREFIX + "DATE"; | ||
| public static final String USER_INFO_KEY = | ||
| TimelineEntity.SYSTEM_INFO_KEY_PREFIX + "USER"; | ||
| public static final String FLOW_NAME_INFO_KEY = | ||
| TimelineEntity.SYSTEM_INFO_KEY_PREFIX + "FLOW_NAME"; | ||
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| private final NavigableSet<FlowRunEntity> flowRuns = new TreeSet<>(); | ||
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| public FlowActivityEntity() { | ||
| super(TimelineEntityType.YARN_FLOW_ACTIVITY.toString()); | ||
| // set config to null | ||
| setConfigs(null); | ||
| } | ||
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| public FlowActivityEntity(String cluster, long time, String user, | ||
| String flowName) { | ||
| this(); | ||
| setCluster(cluster); | ||
| setDate(time); | ||
| setUser(user); | ||
| setFlowName(flowName); | ||
| } | ||
|
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| public FlowActivityEntity(TimelineEntity entity) { | ||
| super(entity); | ||
| if (!TimelineEntityType.YARN_FLOW_ACTIVITY.matches(entity.getType())) { | ||
| throw new IllegalArgumentException("Incompatible entity type: " + | ||
| getId()); | ||
| } | ||
| // set config to null | ||
| setConfigs(null); | ||
| } | ||
|
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| @XmlElement(name = "id") | ||
| @Override | ||
| public String getId() { | ||
| // flow activity: cluster/day/user@flow_name | ||
| String id = super.getId(); | ||
| if (id == null) { | ||
| StringBuilder sb = new StringBuilder(); | ||
| sb.append(getCluster()); | ||
| sb.append('/'); | ||
| sb.append(getDate().getTime()); | ||
| sb.append('/'); | ||
| sb.append(getUser()); | ||
| sb.append('@'); | ||
| sb.append(getFlowName()); | ||
| id = sb.toString(); | ||
| setId(id); | ||
| } | ||
| return id; | ||
| } | ||
|
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| @Override | ||
| public int compareTo(TimelineEntity entity) { | ||
| int comparison = getType().compareTo(entity.getType()); | ||
| if (comparison == 0) { | ||
| // order by cluster, date (descending), user, and flow name | ||
| FlowActivityEntity other = (FlowActivityEntity)entity; | ||
| int clusterComparison = getCluster().compareTo(other.getCluster()); | ||
| if (clusterComparison != 0) { | ||
| return clusterComparison; | ||
| } | ||
| int dateComparisonDescending = | ||
| (int)(other.getDate().getTime() - getDate().getTime()); // descending | ||
| if (dateComparisonDescending != 0) { | ||
| return dateComparisonDescending; // descending | ||
| } | ||
| int userComparison = getUser().compareTo(other.getUser()); | ||
| if (userComparison != 0) { | ||
| return userComparison; | ||
| } | ||
| return getFlowName().compareTo(other.getFlowName()); | ||
| } else { | ||
| return comparison; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Reuse the base class equals method. | ||
| */ | ||
| @Override | ||
| public boolean equals(Object obj) { | ||
| return super.equals(obj); | ||
| } | ||
|
|
||
| /** | ||
| * Reuse the base class hashCode method. | ||
| */ | ||
| @Override | ||
| public int hashCode() { | ||
| return super.hashCode(); | ||
| } | ||
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| public String getCluster() { | ||
| return (String)getInfo().get(CLUSTER_INFO_KEY); | ||
| } | ||
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| public void setCluster(String cluster) { | ||
| addInfo(CLUSTER_INFO_KEY, cluster); | ||
| } | ||
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| public Date getDate() { | ||
| return (Date)getInfo().get(DATE_INFO_KEY); | ||
| } | ||
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| public void setDate(long time) { | ||
| Date date = new Date(time); | ||
| addInfo(DATE_INFO_KEY, date); | ||
| } | ||
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| public String getUser() { | ||
| return (String)getInfo().get(USER_INFO_KEY); | ||
| } | ||
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| public void setUser(String user) { | ||
| addInfo(USER_INFO_KEY, user); | ||
| } | ||
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| public String getFlowName() { | ||
| return (String)getInfo().get(FLOW_NAME_INFO_KEY); | ||
| } | ||
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| public void setFlowName(String flowName) { | ||
| addInfo(FLOW_NAME_INFO_KEY, flowName); | ||
| } | ||
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| public void addFlowRun(FlowRunEntity run) { | ||
| flowRuns.add(run); | ||
| } | ||
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| public void addFlowRuns(Collection<FlowRunEntity> runs) { | ||
| flowRuns.addAll(runs); | ||
| } | ||
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| @XmlElement(name = "flowruns") | ||
| public NavigableSet<FlowRunEntity> getFlowRuns() { | ||
| return flowRuns; | ||
| } | ||
|
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| public int getNumberOfRuns() { | ||
| return flowRuns.size(); | ||
| } | ||
| } |
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