Introduce SoftValuedCache, which evicts more aggressively than SoftValuedHashMap.

2 files changed, 8 insertions, 5 deletions

diff --git a/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableGenerator.java b/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableGenerator.java
index e929e6b..e40ce04 100644
--- a/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableGenerator.java
+++ b/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableGenerator.java
@@ -43,7 +43,6 @@ import org.cojen.classfile.Opcode;
 import org.cojen.classfile.TypeDesc;

 import org.cojen.util.ClassInjector;

 import org.cojen.util.KeyFactory;

-import org.cojen.util.SoftValuedHashMap;

 

 import org.joda.time.ReadableInstant;

 

@@ -65,6 +64,8 @@ import com.amazon.carbonado.gen.StorableGenerator;
 import com.amazon.carbonado.gen.TriggerSupport;

 import static com.amazon.carbonado.gen.CommonMethodNames.*;

 

+import com.amazon.carbonado.util.SoftValuedCache;

+

 /**

  * Generates concrete implementations of {@link Storable} types for

  * {@link JDBCRepository}.

@@ -87,10 +88,10 @@ class JDBCStorableGenerator<S extends Storable> {
     private static final int INITIAL_VERSION = 2;

     private static final int INCREMENT_VERSION = 3;

 

-    private static final Map<Object, Class<? extends Storable>> cCache;

+    private static final SoftValuedCache<Object, Class<? extends Storable>> cCache;

 

     static {

-        cCache = new SoftValuedHashMap();

+        cCache = SoftValuedCache.newCache(11);

     }

 

     static <S extends Storable> Class<? extends S> getGeneratedClass(JDBCStorableInfo<S> info,

diff --git a/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableIntrospector.java b/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableIntrospector.java
index 042974f..acba43e 100644
--- a/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableIntrospector.java
+++ b/src/main/java/com/amazon/carbonado/repo/jdbc/JDBCStorableIntrospector.java
@@ -46,7 +46,6 @@ import org.apache.commons.logging.LogFactory;
 

 import org.cojen.classfile.TypeDesc;

 import org.cojen.util.KeyFactory;

-import org.cojen.util.SoftValuedHashMap;

 import org.cojen.util.ThrowUnchecked;

 

 import com.amazon.carbonado.capability.IndexInfo;

@@ -66,6 +65,8 @@ import com.amazon.carbonado.info.StorableProperty;
 import com.amazon.carbonado.info.StorablePropertyAdapter;

 import com.amazon.carbonado.info.StorablePropertyConstraint;

 

+import com.amazon.carbonado.util.SoftValuedCache;

+

 /**

  * Provides additional metadata for a {@link Storable} type needed by

  * JDBCRepository. The storable type must match to a table in an external

@@ -80,7 +81,8 @@ import com.amazon.carbonado.info.StorablePropertyConstraint;
 public class JDBCStorableIntrospector extends StorableIntrospector {

     // Maps compound keys to softly referenced JDBCStorableInfo objects.

     @SuppressWarnings("unchecked")

-    private static Map<Object, JDBCStorableInfo<?>> cCache = new SoftValuedHashMap();

+    private static SoftValuedCache<Object, JDBCStorableInfo<?>> cCache =

+        SoftValuedCache.newCache(11);

 

     /**

      * Examines the given class and returns a JDBCStorableInfo describing it. A