[JGIT PATCH 06/11] Add a use reference counter to Repository

From

Shawn O. Pearce <spearce@spearce.org>

Date

Jul 11, 2009, 20:19 UTC

Message-ID

<1247343566-19025-7-git-send-email-spearce@spearce.org>

In-Reply-To

<1247343566-19025-6-git-send-email-spearce@spearce.org>

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
---
 .../src/org/spearce/jgit/lib/Repository.java       |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java b/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java
index fb72b64..e3ac01b 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/lib/Repository.java
@@ -54,6 +54,7 @@
 import java.util.Map;
 import java.util.Set;
 import java.util.Vector;
+import java.util.concurrent.atomic.AtomicInteger;
 
 import org.spearce.jgit.errors.IncorrectObjectTypeException;
 import org.spearce.jgit.errors.RevisionSyntaxException;
@@ -85,6 +86,8 @@
  *
  */
 public class Repository {
+	private final AtomicInteger useCnt = new AtomicInteger(1);
+
 	private final File gitDir;
 
 	private final RepositoryConfig config;
@@ -721,11 +724,17 @@ private ObjectId resolveSimple(final String revstr) throws IOException {
 		return r != null ? r.getObjectId() : null;
 	}
 
+	/** Increment the use counter by one, requiring a matched {@link #close()}. */
+	public void incrementOpen() {
+		useCnt.incrementAndGet();
+	}
+
 	/**
 	 * Close all resources used by this repository
 	 */
 	public void close() {
-		objectDatabase.close();
+		if (useCnt.decrementAndGet() == 0)
+			objectDatabase.close();
 	}
 
 	/**

-- 
1.6.4.rc0.117.g28cb