Mercurial > jhg

comparison src/org/tmatesoft/hg/internal/RepositoryComparator.java @ 698:822f3a83ff57

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
in, out and clone tests pass for ssh repositories. Infrastructure to decouple HgRemoteRepository from specific Connector implementation
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 06 Aug 2013 21:18:33 +0200
parents 12a4f60ea972
children
comparison
equal deleted inserted replaced
697:24f4efedc9d5 698:822f3a83ff57
21 import java.util.ArrayList; 21 import java.util.ArrayList;
22 import java.util.Arrays; 22 import java.util.Arrays;
23 import java.util.Collections; 23 import java.util.Collections;
24 import java.util.HashMap; 24 import java.util.HashMap;
25 import java.util.HashSet; 25 import java.util.HashSet;
26 import java.util.LinkedHashSet;
26 import java.util.LinkedList; 27 import java.util.LinkedList;
27 import java.util.List; 28 import java.util.List;
28 import java.util.ListIterator; 29 import java.util.ListIterator;
29 import java.util.Map; 30 import java.util.Map;
30 import java.util.Map.Entry; 31 import java.util.Map.Entry;
199 200
200 // somewhat similar to Outgoing.findCommonWithRemote() 201 // somewhat similar to Outgoing.findCommonWithRemote()
201 public List<BranchChain> calculateMissingBranches() throws HgRemoteConnectionException { 202 public List<BranchChain> calculateMissingBranches() throws HgRemoteConnectionException {
202 List<Nodeid> remoteHeads = remoteRepo.heads(); 203 List<Nodeid> remoteHeads = remoteRepo.heads();
203 LinkedList<Nodeid> common = new LinkedList<Nodeid>(); // these remotes are known in local 204 LinkedList<Nodeid> common = new LinkedList<Nodeid>(); // these remotes are known in local
204 LinkedList<Nodeid> toQuery = new LinkedList<Nodeid>(); // these need further queries to find common 205 LinkedHashSet<Nodeid> toQuery = new LinkedHashSet<Nodeid>(); // these need further queries to find common
205 for (Nodeid rh : remoteHeads) { 206 for (Nodeid rh : remoteHeads) {
206 if (localRepo.knownNode(rh)) { 207 if (localRepo.knownNode(rh)) {
207 common.add(rh); 208 common.add(rh);
208 } else { 209 } else {
209 toQuery.add(rh); 210 toQuery.add(rh);
216 // detailed comments are in Outgoing.findCommonWithRemote 217 // detailed comments are in Outgoing.findCommonWithRemote
217 LinkedList<RemoteBranch> checkUp2Head = new LinkedList<RemoteBranch>(); 218 LinkedList<RemoteBranch> checkUp2Head = new LinkedList<RemoteBranch>();
218 // records relation between branch head and its parent branch, if any 219 // records relation between branch head and its parent branch, if any
219 HashMap<Nodeid, BranchChain> head2chain = new HashMap<Nodeid, BranchChain>(); 220 HashMap<Nodeid, BranchChain> head2chain = new HashMap<Nodeid, BranchChain>();
220 while (!toQuery.isEmpty()) { 221 while (!toQuery.isEmpty()) {
221 List<RemoteBranch> remoteBranches = remoteRepo.branches(toQuery); //head, root, first parent, second parent 222 List<RemoteBranch> remoteBranches = remoteRepo.branches(new ArrayList<Nodeid>(toQuery)); //head, root, first parent, second parent
222 toQuery.clear(); 223 toQuery.clear();
223 while(!remoteBranches.isEmpty()) { 224 while(!remoteBranches.isEmpty()) {
224 RemoteBranch rb = remoteBranches.remove(0); 225 RemoteBranch rb = remoteBranches.remove(0);
225 BranchChain chainElement = head2chain.get(rb.head); 226 BranchChain chainElement = head2chain.get(rb.head);
226 if (chainElement == null) { 227 if (chainElement == null) {
238 // dig deeper in the history, if necessary 239 // dig deeper in the history, if necessary
239 boolean hasP1 = !rb.p1.isNull(), hasP2 = !rb.p2.isNull(); 240 boolean hasP1 = !rb.p1.isNull(), hasP2 = !rb.p2.isNull();
240 if (hasP1 && !localRepo.knownNode(rb.p1)) { 241 if (hasP1 && !localRepo.knownNode(rb.p1)) {
241 toQuery.add(rb.p1); 242 toQuery.add(rb.p1);
242 // we might have seen parent node already, and recorded it as a branch chain 243 // we might have seen parent node already, and recorded it as a branch chain
243 // we shall reuse existing BC to get it completely initializer (head2chain map 244 // we shall reuse existing BC to get it completely initialized (head2chain map
244 // on second put with the same key would leave first BC uninitialized. 245 // on second put with the same key would leave first BC uninitialized.
245 246
246 // It seems there's no reason to be affraid (XXX although shall double-check) 247 // It seems there's no reason to be afraid (XXX although shall double-check)
247 // that BC's chain would get corrupt (its p1 and p2 fields assigned twice with different values) 248 // that BC's chain would get corrupt (its p1 and p2 fields assigned twice with different values)
248 // as parents are always the same (and likely, BC that is common would be the last unknown) 249 // as parents are always the same (and likely, BC that is common would be the last unknown)
249 BranchChain bc = head2chain.get(rb.p1); 250 BranchChain bc = head2chain.get(rb.p1);
250 if (bc == null) { 251 if (bc == null) {
251 head2chain.put(rb.p1, bc = new BranchChain(rb.p1)); 252 head2chain.put(rb.p1, bc = new BranchChain(rb.p1));
350 return p1 == p2 && p1 != null && p1.branchHead == p1.branchRoot && p1.branchHead.isNull(); 351 return p1 == p2 && p1 != null && p1.branchHead == p1.branchRoot && p1.branchHead.isNull();
351 } 352 }
352 353
353 @Override 354 @Override
354 public String toString() { 355 public String toString() {
355 return String.format("BranchChain [%s, %s]", branchRoot, branchHead); 356 return String.format("BranchChain [root:%s, head:%s]", branchRoot, branchHead);
356 } 357 }
357 358
358 void dump() { 359 void dump() {
359 System.out.println(toString()); 360 System.out.println(toString());
360 internalDump(" "); 361 internalDump(" ");