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[log] modify VcsLogHashMap database naming

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* Hex looks better than int, especially since the latter is signed.
* Project#getLocationHash() is the standard method for project id rather
  than getName().
* Let's have them under a subdirectory since we may have other
  persistent structures for vcs-log in future.
* cleanup previous id version
This commit is contained in:
Kirill Likhodedov
2014-11-11 14:31:28 +03:00
parent 4e077068bf
commit 4e3a68c96e
1 changed files with 17 additions and 4 deletions
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platform/vcs-log/impl/src/com/intellij/vcs/log/data/VcsLogHashMap.java
+17 -4
View File
@@ -23,6 +23,7 @@ import com.intellij.openapi.util.Condition;
import com.intellij.openapi.util.Disposer;
import com.intellij.openapi.util.Ref;
import com.intellij.openapi.util.ThrowableComputable;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.CommonProcessors;
@@ -52,13 +53,14 @@ import java.util.Map;
*/
public class VcsLogHashMap implements Disposable {
private static final File LOG_CACHE_APP_DIR = new File(PathManager.getSystemPath(), "vcs-log");
private static final File LOG_CACHE_APP_DIR = new File(new File(PathManager.getSystemPath(), "vcs-log"), "hashes");
private static final Logger LOG = Logger.getInstance(VcsLogHashMap.class);
private static final int VERSION = 1;
private final PersistentEnumerator<Hash> myPersistentEnumerator;
VcsLogHashMap(@NotNull Project project, @NotNull Map<VirtualFile, VcsLogProvider> logProviders) throws IOException {
cleanupOldNaming(project, logProviders);
String logId = calcLogId(project, logProviders);
final File mapFile = new File(LOG_CACHE_APP_DIR, logId + "." + VERSION);
if (!mapFile.exists()) {
@@ -76,19 +78,30 @@ public class VcsLogHashMap implements Disposable {
@NotNull
private static String calcLogId(@NotNull Project project, @NotNull final Map<VirtualFile, VcsLogProvider> logProviders) {
int hashcode = calcLogProvidersHash(logProviders);
return project.getLocationHash() + "." + Integer.toHexString(hashcode);
}
// TODO remove in IDEA 15
private static void cleanupOldNaming(@NotNull Project project, @NotNull Map<VirtualFile, VcsLogProvider> providers) {
int hashcode = calcLogProvidersHash(providers);
String oldLogId = project.getName() + "." + hashcode;
FileUtil.delete(new File(new File(PathManager.getSystemPath(), "vcs-log"), oldLogId));
}
private static int calcLogProvidersHash(@NotNull final Map<VirtualFile, VcsLogProvider> logProviders) {
List<VirtualFile> sortedRoots = ContainerUtil.sorted(logProviders.keySet(), new Comparator<VirtualFile>() {
@Override
public int compare(@NotNull VirtualFile o1, @NotNull VirtualFile o2) {
return o1.getPath().compareTo(o2.getPath());
}
});
String rootsWithVcss = StringUtil.join(sortedRoots, new Function<VirtualFile, String>() {
return StringUtil.join(sortedRoots, new Function<VirtualFile, String>() {
@Override
public String fun(VirtualFile root) {
return root.getPath() + "." + logProviders.get(root).getSupportedVcs().getName();
}
}, ".");
return project.getName() + "." + rootsWithVcss.hashCode();
}, ".").hashCode();
}
@Nullable