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Static import OBJ_* constants into PackWriter 

Shortens most of the code that touches the objectLists.

Change-Id: Ib14d366dd311e544e7ba50e9ce07a6f3ce0cf254
stable-3.0
Shawn Pearce 12 years ago
parent
6a5019f539
commit
8e83c36e27
1 changed files with 57 additions and 55 deletions
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  1. 112
      org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java

112
org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java
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@ -46,6 +46,11 @@ package org.eclipse.jgit.internal.storage.pack;
import static org.eclipse.jgit.internal.storage.pack.StoredObjectRepresentation.PACK_DELTA;
import static org.eclipse.jgit.internal.storage.pack.StoredObjectRepresentation.PACK_WHOLE;
import static org.eclipse.jgit.lib.Constants.OBJECT_ID_LENGTH;
import static org.eclipse.jgit.lib.Constants.OBJ_BLOB;
import static org.eclipse.jgit.lib.Constants.OBJ_COMMIT;
import static org.eclipse.jgit.lib.Constants.OBJ_TAG;
import static org.eclipse.jgit.lib.Constants.OBJ_TREE;
import java.io.IOException;
import java.io.OutputStream;
@ -203,12 +208,12 @@ public class PackWriter {
}
@SuppressWarnings("unchecked")
private final BlockList<ObjectToPack> objectsLists[] = new BlockList[Constants.OBJ_TAG + 1];
private final BlockList<ObjectToPack> objectsLists[] = new BlockList[OBJ_TAG + 1];
{
objectsLists[Constants.OBJ_COMMIT] = new BlockList<ObjectToPack>();
objectsLists[Constants.OBJ_TREE] = new BlockList<ObjectToPack>();
objectsLists[Constants.OBJ_BLOB] = new BlockList<ObjectToPack>();
objectsLists[Constants.OBJ_TAG] = new BlockList<ObjectToPack>();
objectsLists[OBJ_COMMIT] = new BlockList<ObjectToPack>();
objectsLists[OBJ_TREE] = new BlockList<ObjectToPack>();
objectsLists[OBJ_BLOB] = new BlockList<ObjectToPack>();
objectsLists[OBJ_TAG] = new BlockList<ObjectToPack>();
}
private final ObjectIdOwnerMap<ObjectToPack> objectsMap = new ObjectIdOwnerMap<ObjectToPack>();
@ -531,10 +536,10 @@ public class PackWriter {
if (stats.totalObjects == 0) {
long objCnt = 0;
objCnt += objectsLists[Constants.OBJ_COMMIT].size();
objCnt += objectsLists[Constants.OBJ_TREE].size();
objCnt += objectsLists[Constants.OBJ_BLOB].size();
objCnt += objectsLists[Constants.OBJ_TAG].size();
objCnt += objectsLists[OBJ_COMMIT].size();
objCnt += objectsLists[OBJ_TREE].size();
objCnt += objectsLists[OBJ_BLOB].size();
objCnt += objectsLists[OBJ_TAG].size();
for (CachedPack pack : cachedPacks)
objCnt += pack.getObjectCount();
@ -807,11 +812,11 @@ public class PackWriter {
* @return ObjectId representing SHA-1 name of a pack that was created.
*/
public ObjectId computeName() {
final byte[] buf = new byte[Constants.OBJECT_ID_LENGTH];
final byte[] buf = new byte[OBJECT_ID_LENGTH];
final MessageDigest md = Constants.newMessageDigest();
for (ObjectToPack otp : sortByName()) {
otp.copyRawTo(buf, 0);
md.update(buf, 0, Constants.OBJECT_ID_LENGTH);
md.update(buf, 0, OBJECT_ID_LENGTH);
}
return ObjectId.fromRaw(md.digest());
}
@ -888,16 +893,16 @@ public class PackWriter {
private List<ObjectToPack> sortByName() {
if (sortedByName == null) {
int cnt = 0;
cnt += objectsLists[Constants.OBJ_COMMIT].size();
cnt += objectsLists[Constants.OBJ_TREE].size();
cnt += objectsLists[Constants.OBJ_BLOB].size();
cnt += objectsLists[Constants.OBJ_TAG].size();
cnt += objectsLists[OBJ_COMMIT].size();
cnt += objectsLists[OBJ_TREE].size();
cnt += objectsLists[OBJ_BLOB].size();
cnt += objectsLists[OBJ_TAG].size();
sortedByName = new BlockList<ObjectToPack>(cnt);
sortedByName.addAll(objectsLists[Constants.OBJ_COMMIT]);
sortedByName.addAll(objectsLists[Constants.OBJ_TREE]);
sortedByName.addAll(objectsLists[Constants.OBJ_BLOB]);
sortedByName.addAll(objectsLists[Constants.OBJ_TAG]);
sortedByName.addAll(objectsLists[OBJ_COMMIT]);
sortedByName.addAll(objectsLists[OBJ_TREE]);
sortedByName.addAll(objectsLists[OBJ_BLOB]);
sortedByName.addAll(objectsLists[OBJ_TAG]);
Collections.sort(sortedByName);
}
return sortedByName;
@ -1065,37 +1070,34 @@ public class PackWriter {
private void searchForReuse(ProgressMonitor monitor) throws IOException {
long cnt = 0;
cnt += objectsLists[Constants.OBJ_COMMIT].size();
cnt += objectsLists[Constants.OBJ_TREE].size();
cnt += objectsLists[Constants.OBJ_BLOB].size();
cnt += objectsLists[Constants.OBJ_TAG].size();
cnt += objectsLists[OBJ_COMMIT].size();
cnt += objectsLists[OBJ_TREE].size();
cnt += objectsLists[OBJ_BLOB].size();
cnt += objectsLists[OBJ_TAG].size();
long start = System.currentTimeMillis();
beginPhase(PackingPhase.FINDING_SOURCES, monitor, cnt);
if (cnt <= 4096) {
// For small object counts, do everything as one list.
BlockList<ObjectToPack> tmp = new BlockList<ObjectToPack>((int) cnt);
tmp.addAll(objectsLists[Constants.OBJ_TAG]);
tmp.addAll(objectsLists[Constants.OBJ_COMMIT]);
tmp.addAll(objectsLists[Constants.OBJ_TREE]);
tmp.addAll(objectsLists[Constants.OBJ_BLOB]);
tmp.addAll(objectsLists[OBJ_TAG]);
tmp.addAll(objectsLists[OBJ_COMMIT]);
tmp.addAll(objectsLists[OBJ_TREE]);
tmp.addAll(objectsLists[OBJ_BLOB]);
searchForReuse(monitor, tmp);
if (pruneCurrentObjectList) {
// If the list was pruned, we need to re-prune the main lists.
pruneEdgesFromObjectList(objectsLists[Constants.OBJ_COMMIT]);
pruneEdgesFromObjectList(objectsLists[Constants.OBJ_TREE]);
pruneEdgesFromObjectList(objectsLists[Constants.OBJ_BLOB]);
pruneEdgesFromObjectList(objectsLists[Constants.OBJ_TAG]);
pruneEdgesFromObjectList(objectsLists[OBJ_COMMIT]);
pruneEdgesFromObjectList(objectsLists[OBJ_TREE]);
pruneEdgesFromObjectList(objectsLists[OBJ_BLOB]);
pruneEdgesFromObjectList(objectsLists[OBJ_TAG]);
}
} else {
searchForReuse(monitor, objectsLists[Constants.OBJ_TAG]);
searchForReuse(monitor, objectsLists[Constants.OBJ_COMMIT]);
searchForReuse(monitor, objectsLists[Constants.OBJ_TREE]);
searchForReuse(monitor, objectsLists[Constants.OBJ_BLOB]);
searchForReuse(monitor, objectsLists[OBJ_TAG]);
searchForReuse(monitor, objectsLists[OBJ_COMMIT]);
searchForReuse(monitor, objectsLists[OBJ_TREE]);
searchForReuse(monitor, objectsLists[OBJ_BLOB]);
}
endPhase(monitor);
stats.timeSearchingForReuse = System.currentTimeMillis() - start;
}
@ -1116,12 +1118,12 @@ public class PackWriter {
// bother examining those types here.
//
ObjectToPack[] list = new ObjectToPack[
objectsLists[Constants.OBJ_TREE].size()
+ objectsLists[Constants.OBJ_BLOB].size()
objectsLists[OBJ_TREE].size()
+ objectsLists[OBJ_BLOB].size()
+ edgeObjects.size()];
int cnt = 0;
cnt = findObjectsNeedingDelta(list, cnt, Constants.OBJ_TREE);
cnt = findObjectsNeedingDelta(list, cnt, Constants.OBJ_BLOB);
cnt = findObjectsNeedingDelta(list, cnt, OBJ_TREE);
cnt = findObjectsNeedingDelta(list, cnt, OBJ_BLOB);
if (cnt == 0)
return;
int nonEdgeCnt = cnt;
@ -1408,10 +1410,10 @@ public class PackWriter {
}
private void writeObjects(PackOutputStream out) throws IOException {
writeObjects(out, objectsLists[Constants.OBJ_COMMIT]);
writeObjects(out, objectsLists[Constants.OBJ_TAG]);
writeObjects(out, objectsLists[Constants.OBJ_TREE]);
writeObjects(out, objectsLists[Constants.OBJ_BLOB]);
writeObjects(out, objectsLists[OBJ_COMMIT]);
writeObjects(out, objectsLists[OBJ_TAG]);
writeObjects(out, objectsLists[OBJ_TREE]);
writeObjects(out, objectsLists[OBJ_BLOB]);
}
private void writeObjects(PackOutputStream out, List<ObjectToPack> list)
@ -1986,7 +1988,7 @@ public class PackWriter {
PackWriterBitmapPreparer bitmapPreparer = new PackWriterBitmapPreparer(
reader, writeBitmaps, pm, stats.interestingObjects);
int numCommits = objectsLists[Constants.OBJ_COMMIT].size();
int numCommits = objectsLists[OBJ_COMMIT].size();
Collection<PackWriterBitmapPreparer.BitmapCommit> selectedCommits =
bitmapPreparer.doCommitSelection(numCommits);
@ -2140,10 +2142,10 @@ public class PackWriter {
{
objectTypes = new ObjectType[5];
objectTypes[Constants.OBJ_COMMIT] = new ObjectType();
objectTypes[Constants.OBJ_TREE] = new ObjectType();
objectTypes[Constants.OBJ_BLOB] = new ObjectType();
objectTypes[Constants.OBJ_TAG] = new ObjectType();
objectTypes[OBJ_COMMIT] = new ObjectType();
objectTypes[OBJ_TREE] = new ObjectType();
objectTypes[OBJ_BLOB] = new ObjectType();
objectTypes[OBJ_TAG] = new ObjectType();
}
/**
@ -2364,10 +2366,10 @@ public class PackWriter {
State snapshot() {
long objCnt = 0;
objCnt += objectsLists[Constants.OBJ_COMMIT].size();
objCnt += objectsLists[Constants.OBJ_TREE].size();
objCnt += objectsLists[Constants.OBJ_BLOB].size();
objCnt += objectsLists[Constants.OBJ_TAG].size();
objCnt += objectsLists[OBJ_COMMIT].size();
objCnt += objectsLists[OBJ_TREE].size();
objCnt += objectsLists[OBJ_BLOB].size();
objCnt += objectsLists[OBJ_TAG].size();
// Exclude CachedPacks.
long bytesUsed = OBJECT_TO_PACK_SIZE * objCnt;

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