From 529eda22e6cbd93685a2d3260cdcdc8d3f14a56e Mon Sep 17 00:00:00 2001
From: Tobias Holgers <tholgers@users.sourceforge.net>
Date: Mon, 18 May 2009 17:59:14 +0000
Subject: Support backwards compatiblity with older CarbonadoSleepycat
 packages.

---
 .../carbonado/repo/sleepycat/BDBRepository.java    | 43 ++++++++++++++++++++--
 .../repo/sleepycat/BDBRepositoryBuilder.java       |  4 +-
 2 files changed, 42 insertions(+), 5 deletions(-)

(limited to 'src/main/java')

diff --git a/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepository.java b/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepository.java
index 1391c40..6fbc4f5 100644
--- a/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepository.java
+++ b/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepository.java
@@ -109,6 +109,9 @@ abstract class BDBRepository<Txn> extends AbstractRepository<Txn>
     private final BDBRepositoryBuilder.DatabaseHook mDatabaseHook;
     private final Map<Class<?>, Integer> mDatabasePageSizes;
 
+    final boolean mRunCheckpointer;
+    final boolean mRunDeadlockDetector;
+
     final File mDataHome;
     final File mEnvHome;
     final String mSingleFileName;
@@ -149,6 +152,8 @@ abstract class BDBRepository<Txn> extends AbstractRepository<Txn>
         mExTransformer = exTransformer;
         mTxnMgr = new BDBTransactionManager<Txn>(mExTransformer, this);
 
+        mRunCheckpointer = !builder.getReadOnly() && builder.getRunCheckpointer();
+        mRunDeadlockDetector = builder.getRunDeadlockDetector();
         mStorableCodecFactory = builder.getStorableCodecFactory();
         mPreShutdownHook = builder.getPreShutdownHook();
         mPostShutdownHook = builder.getShutdownHook();
@@ -539,6 +544,39 @@ abstract class BDBRepository<Txn> extends AbstractRepository<Txn>
         }
     }
 
+    /**
+     * Start background tasks and enable auto shutdown.
+     *
+     * @param checkpointInterval how often to run checkpoints, in milliseconds,
+     * or zero if never. Ignored if repository is read only or builder has
+     * checkpoints disabled.
+     * @param deadlockDetectorInterval how often to run deadlock detector, in
+     * milliseconds, or zero if never. Ignored if builder has deadlock detector
+     * disabled.
+     *
+     * @deprecated Overloaded for backwards compatiblity with older
+     * CarbonadoSleepycat packages
+     */
+    void start(long checkpointInterval, long deadlockDetectorInterval) {
+        getLog().info("Opened repository \"" + getName() + '"');
+
+        if (mRunCheckpointer && checkpointInterval > 0) {
+            mCheckpointer = new Checkpointer(this, checkpointInterval, 1024, 5);
+            mCheckpointer.start();
+        } else {
+            mCheckpointer = null;
+        }
+
+        if (mRunDeadlockDetector && deadlockDetectorInterval > 0) {
+            mDeadlockDetector = new DeadlockDetector(this, deadlockDetectorInterval);
+            mDeadlockDetector.start();
+        } else {
+            mDeadlockDetector = null;
+        }
+
+        setAutoShutdownEnabled(true);
+    }
+
     /**
      * Start background tasks and enable auto shutdown.
      *
@@ -554,8 +592,7 @@ abstract class BDBRepository<Txn> extends AbstractRepository<Txn>
                BDBRepositoryBuilder builder) {
         getLog().info("Opened repository \"" + getName() + '"');
 
-        if (!builder.getReadOnly() && builder.getRunCheckpointer()
-            && checkpointInterval > 0) {
+        if (mRunCheckpointer && checkpointInterval > 0) {
             mCheckpointer = new Checkpointer(this, checkpointInterval,
                                              builder.getCheckpointThresholdKB(),
                                              builder.getCheckpointThresholdMinutes());
@@ -564,7 +601,7 @@ abstract class BDBRepository<Txn> extends AbstractRepository<Txn>
             mCheckpointer = null;
         }
 
-        if (builder.getRunDeadlockDetector() && deadlockDetectorInterval > 0) {
+        if (mRunDeadlockDetector && deadlockDetectorInterval > 0) {
             mDeadlockDetector = new DeadlockDetector(this, deadlockDetectorInterval);
             mDeadlockDetector.start();
         } else {
diff --git a/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepositoryBuilder.java b/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepositoryBuilder.java
index f3ea993..59a5d22 100644
--- a/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepositoryBuilder.java
+++ b/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepositoryBuilder.java
@@ -680,7 +680,7 @@ public class BDBRepositoryBuilder extends AbstractRepositoryBuilder {
 
     /**
      * Set the size threshold to run checkpoints. This setting is ignored if
-     * the checkpointer is not configured to run.
+     * the checkpointer is not configured to run. Default value is 1024 KB.
      *
      * <p>Checkpoint threshold is only used by Carbonado's built-in
      * checkpointer, and is ignored when using BDB-JE.
@@ -700,7 +700,7 @@ public class BDBRepositoryBuilder extends AbstractRepositoryBuilder {
 
     /**
      * Set the time threshold to run checkpoints. This setting is ignored if
-     * the checkpointer is not configured to run.
+     * the checkpointer is not configured to run. Default value is 5 minutes.
      *
      * <p>Checkpoint threshold is only used by Carbonado's built-in
      * checkpointer, and is ignored when using BDB-JE.
-- 
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