+
+ return last().getTerm();
+ }
+
+ @Override public void removeFrom(long index) {
+ if(index >= log.size() || index < 0){
+ return;
+ }
+
+ log.subList((int) index, log.size()).clear();
+ //log.remove((int) index);
+ }
+
+ @Override public void removeFromAndPersist(long index) {
+ removeFrom(index);
+ }
+
+ @Override public void append(ReplicatedLogEntry replicatedLogEntry) {
+ log.add(replicatedLogEntry);
+ }
+
+ @Override public void appendAndPersist(
+ ReplicatedLogEntry replicatedLogEntry) {
+ append(replicatedLogEntry);
+ }
+
+ @Override public List<ReplicatedLogEntry> getFrom(long index) {
+ if(index >= log.size() || index < 0){
+ return Collections.EMPTY_LIST;
+ }
+ List<ReplicatedLogEntry> entries = new ArrayList<>();
+ for(int i=(int) index ; i < log.size() ; i++) {
+ entries.add(get(i));
+ }
+ return entries;
+ }
+
+ @Override public List<ReplicatedLogEntry> getFrom(long index, int max) {
+ if(index >= log.size() || index < 0){
+ return Collections.EMPTY_LIST;
+ }
+ List<ReplicatedLogEntry> entries = new ArrayList<>();
+ int maxIndex = (int) index + max;
+ if(maxIndex > log.size()){
+ maxIndex = log.size();
+ }
+
+ for(int i=(int) index ; i < maxIndex ; i++) {
+ entries.add(get(i));
+ }
+ return entries;
+
+ }
+
+ @Override public long size() {
+ return log.size();
+ }
+
+ @Override public boolean isPresent(long index) {
+ if(index >= log.size() || index < 0){
+ return false;
+ }
+
+ return true;
+ }
+
+ @Override public boolean isInSnapshot(long index) {
+ return false;
+ }
+
+ @Override public Object getSnapshot() {
+ return null;
+ }
+
+ @Override public long getSnapshotIndex() {
+ return -1;
+ }
+
+ @Override public long getSnapshotTerm() {
+ return -1;
+ }
+ }
+
+ public static class MockPayload extends Payload implements Serializable {
+ private String value = "";
+
+ public MockPayload(String s) {
+ this.value = s;
+ }
+
+ @Override public Map<GeneratedMessage.GeneratedExtension, String> encode() {
+ Map<GeneratedMessage.GeneratedExtension, String> map = new HashMap<GeneratedMessage.GeneratedExtension, String>();
+ map.put(MockPayloadMessages.value, value);
+ return map;
+ }
+
+ @Override public Payload decode(
+ AppendEntriesMessages.AppendEntries.ReplicatedLogEntry.Payload payloadProtoBuff) {
+ String value = payloadProtoBuff.getExtension(MockPayloadMessages.value);
+ this.value = value;
+ return this;
+ }
+
+ @Override public String getClientPayloadClassName() {
+ return MockPayload.class.getName();
+ }
+
+ public String toString() {
+ return value;
+ }
+ }
+
+ public static class MockReplicatedLogEntry implements ReplicatedLogEntry, Serializable {
+
+ private final long term;
+ private final long index;
+ private final Payload data;
+
+ public MockReplicatedLogEntry(long term, long index, Payload data){
+
+ this.term = term;
+ this.index = index;
+ this.data = data;
+ }
+
+ @Override public Payload getData() {
+ return data;
+ }
+
+ @Override public long getTerm() {
+ return term;
+ }
+
+ @Override public long getIndex() {
+ return index;
+ }