opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/MockRaftActorContext.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.cluster.raft;
  10
  11 import akka.actor.ActorRef;
  12 import akka.actor.ActorSelection;
  13 import akka.actor.ActorSystem;
  14 import akka.actor.Props;
  15 import akka.event.Logging;
  16 import akka.event.LoggingAdapter;
  17
  18 import java.util.ArrayList;
  19 import java.util.Collections;
  20 import java.util.HashMap;
  21 import java.util.List;
  22 import java.util.Map;
  23
  24 public class MockRaftActorContext implements RaftActorContext {
  25
  26     private String id;
  27     private ActorSystem system;
  28     private ActorRef actor;
  29     private long index = 0;
  30     private long lastApplied = 0;
  31     private final ElectionTerm electionTerm;
  32     private ReplicatedLog replicatedLog;
  33     private Map<String, String> peerAddresses = new HashMap();
  34
  35     public MockRaftActorContext(){
  36         electionTerm = null;
  37
  38         initReplicatedLog();
  39     }
  40
  41     public MockRaftActorContext(String id, ActorSystem system, ActorRef actor){
  42         this.id = id;
  43         this.system = system;
  44         this.actor = actor;
  45
  46         electionTerm = new ElectionTermImpl(id);
  47
  48         initReplicatedLog();
  49     }
  50
  51
  52     public void initReplicatedLog(){
  53         this.replicatedLog = new SimpleReplicatedLog();
  54         this.replicatedLog.append(new MockReplicatedLogEntry(1, 1, ""));
  55     }
  56
  57     @Override public ActorRef actorOf(Props props) {
  58         return system.actorOf(props);
  59     }
  60
  61     @Override public ActorSelection actorSelection(String path) {
  62         return system.actorSelection(path);
  63     }
  64
  65     @Override public String getId() {
  66         return id;
  67     }
  68
  69     @Override public ActorRef getActor() {
  70         return actor;
  71     }
  72
  73     @Override public ElectionTerm getTermInformation() {
  74         return electionTerm;
  75     }
  76
  77     public void setIndex(long index){
  78         this.index = index;
  79     }
  80
  81     @Override public long getCommitIndex() {
  82         return index;
  83     }
  84
  85     @Override public void setCommitIndex(long commitIndex) {
  86         this.index = commitIndex;
  87     }
  88
  89     @Override public void setLastApplied(long lastApplied){
  90         this.lastApplied = lastApplied;
  91     }
  92
  93     @Override public long getLastApplied() {
  94         return lastApplied;
  95     }
  96
  97     public void setReplicatedLog(ReplicatedLog replicatedLog) {
  98         this.replicatedLog = replicatedLog;
  99     }
 100
 101     @Override public ReplicatedLog getReplicatedLog() {
 102         return replicatedLog;
 103     }
 104
 105     @Override public ActorSystem getActorSystem() {
 106         return this.system;
 107     }
 108
 109     @Override public LoggingAdapter getLogger() {
 110         return Logging.getLogger(system, this);
 111     }
 112
 113     @Override public Map<String, String> getPeerAddresses() {
 114         return peerAddresses;
 115     }
 116
 117     @Override public String getPeerAddress(String peerId) {
 118         return peerAddresses.get(peerId);
 119     }
 120
 121     public void setPeerAddresses(Map<String, String> peerAddresses) {
 122         this.peerAddresses = peerAddresses;
 123     }
 124
 125
 126     public static class SimpleReplicatedLog implements ReplicatedLog {
 127         private final List<ReplicatedLogEntry> log = new ArrayList<>(10000);
 128
 129         @Override public ReplicatedLogEntry get(long index) {
 130             if(index >= log.size() || index < 0){
 131                 return null;
 132             }
 133             return log.get((int) index);
 134         }
 135
 136         @Override public ReplicatedLogEntry last() {
 137             if(log.size() == 0){
 138                 return null;
 139             }
 140             return log.get(log.size()-1);
 141         }
 142
 143         @Override public long lastIndex() {
 144             if(log.size() == 0){
 145                 return -1;
 146             }
 147
 148             return last().getIndex();
 149         }
 150
 151         @Override public long lastTerm() {
 152             if(log.size() == 0){
 153                 return -1;
 154             }
 155
 156             return last().getTerm();
 157         }
 158
 159         @Override public void removeFrom(long index) {
 160             if(index >= log.size() || index < 0){
 161                 return;
 162             }
 163             for(int i=(int) index ; i < log.size() ; i++) {
 164                 log.remove(i);
 165             }
 166         }
 167
 168         @Override public void append(ReplicatedLogEntry replicatedLogEntry) {
 169             log.add(replicatedLogEntry);
 170         }
 171
 172         @Override public void appendAndPersist(
 173             ReplicatedLogEntry replicatedLogEntry) {
 174             append(replicatedLogEntry);
 175         }
 176
 177         @Override public List<ReplicatedLogEntry> getFrom(long index) {
 178             if(index >= log.size() || index < 0){
 179                 return Collections.EMPTY_LIST;
 180             }
 181             List<ReplicatedLogEntry> entries = new ArrayList<>();
 182             for(int i=(int) index ; i < log.size() ; i++) {
 183                 entries.add(get(i));
 184             }
 185             return entries;
 186         }
 187
 188         @Override public long size() {
 189             return log.size();
 190         }
 191
 192         @Override public boolean isPresent(long index) {
 193             if(index >= log.size() || index < 0){
 194                 return false;
 195             }
 196
 197             return true;
 198         }
 199
 200         @Override public boolean isInSnapshot(long index) {
 201             return false;
 202         }
 203
 204         @Override public Object getSnapshot() {
 205             return null;
 206         }
 207
 208         @Override public long getSnapshotIndex() {
 209             return -1;
 210         }
 211
 212         @Override public long getSnapshotTerm() {
 213             return -1;
 214         }
 215     }
 216
 217     public static class MockReplicatedLogEntry implements ReplicatedLogEntry {
 218
 219         private final long term;
 220         private final long index;
 221         private final Object data;
 222
 223         public MockReplicatedLogEntry(long term, long index, Object data){
 224
 225             this.term = term;
 226             this.index = index;
 227             this.data = data;
 228         }
 229
 230         @Override public Object getData() {
 231             return data;
 232         }
 233
 234         @Override public long getTerm() {
 235             return term;
 236         }
 237
 238         @Override public long getIndex() {
 239             return index;
 240         }
 241     }
 242 }