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comparison src/org/tmatesoft/hg/internal/RevlogStream.java @ 258:e5776067b3b8

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Reduce number of objects instantiated on revlog read
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 16 Aug 2011 22:08:15 +0200
parents 0e01f9182e16
children 31f67be94e71
comparison
equal deleted inserted replaced
257:f39fb6b3cc76 258:e5776067b3b8
20 import static org.tmatesoft.hg.repo.HgRepository.TIP; 20 import static org.tmatesoft.hg.repo.HgRepository.TIP;
21 21
22 import java.io.File; 22 import java.io.File;
23 import java.io.IOException; 23 import java.io.IOException;
24 import java.util.ArrayList; 24 import java.util.ArrayList;
25 import java.util.LinkedList;
26 import java.util.List; 25 import java.util.List;
27 26
28 import org.tmatesoft.hg.core.HgBadStateException; 27 import org.tmatesoft.hg.core.HgBadStateException;
29 import org.tmatesoft.hg.core.Nodeid; 28 import org.tmatesoft.hg.core.Nodeid;
30 import org.tmatesoft.hg.repo.HgRepository; 29 import org.tmatesoft.hg.repo.HgRepository;
392 // don't need to clean lastUserData as it's always null when !needData 391 // don't need to clean lastUserData as it's always null when !needData
393 i = start; 392 i = start;
394 } 393 }
395 394
396 daIndex.seek(getIndexOffsetInt(i)); 395 daIndex.seek(getIndexOffsetInt(i));
396 //
397 final ArrayList<PatchRecord> patches = new ArrayList<PatchRecord>();
397 398
398 for (; i <= end; i++ ) { 399 for (; i <= end; i++ ) {
399 if (inline && needData) { 400 if (inline && needData) {
400 // inspector reading data (though FilterDataAccess) may have affected index position 401 // inspector reading data (though FilterDataAccess) may have affected index position
401 daIndex.seek(getIndexOffsetInt(i)); 402 daIndex.seek(getIndexOffsetInt(i));
441 } 442 }
442 } 443 }
443 // XXX 444 // XXX
444 if (patchToPrevious) { 445 if (patchToPrevious) {
445 // this is a patch 446 // this is a patch
446 LinkedList<PatchRecord> patches = new LinkedList<PatchRecord>();
447 while (!userDataAccess.isEmpty()) { 447 while (!userDataAccess.isEmpty()) {
448 PatchRecord pr = PatchRecord.read(userDataAccess); 448 PatchRecord pr = PatchRecord.read(userDataAccess);
449 // System.out.printf("PatchRecord:%d %d %d\n", pr.start, pr.end, pr.len); 449 // System.out.printf("PatchRecord:%d %d %d\n", pr.start, pr.end, pr.len);
450 patches.add(pr); 450 patches.add(pr);
451 } 451 }
452 userDataAccess.done(); 452 userDataAccess.done();
453 // 453 //
454 byte[] userData = apply(lastUserData, actualLen, patches); 454 byte[] userData = apply(lastUserData, actualLen, patches);
455 patches.clear();
455 userDataAccess = new ByteArrayDataAccess(userData); 456 userDataAccess = new ByteArrayDataAccess(userData);
456 } 457 }
457 } else { 458 } else {
458 if (inline) { 459 if (inline) {
459 daIndex.skip(compressedLen); 460 daIndex.skip(compressedLen);