Shortcut Collections.sort()

[yangtools.git] / yang / yang-model-util / src / main / java / org / opendaylight / yangtools / yang / model / repo / util / InMemorySchemaSourceCache.java

diff --git a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/repo/util/InMemorySchemaSourceCache.java b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/repo/util/InMemorySchemaSourceCache.java
index e63d7a8abcadf2615fdf04601d3c5f035f973d67..1e2fc94f14d6ae2223e33f4276a86550cb1edfa1 100644 (file)
--- a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/repo/util/InMemorySchemaSourceCache.java
+++ b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/repo/util/InMemorySchemaSourceCache.java
@@ -1,5 +1,6 @@
 /*
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at http://www.eclipse.org/legal/epl-v10.html
@@ -11,13 +12,13 @@ import com.google.common.base.FinalizablePhantomReference;
 import com.google.common.base.FinalizableReferenceQueue;
 import com.google.common.cache.Cache;
 import com.google.common.cache.CacheBuilder;
-import com.google.common.util.concurrent.CheckedFuture;
-import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.FluentFuture;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
+import org.opendaylight.yangtools.util.concurrent.FluentFutures;
 import org.opendaylight.yangtools.yang.model.repo.api.MissingSchemaSourceException;
-import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceException;
 import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceRepresentation;
 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
 import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource.Costs;
@@ -25,28 +26,36 @@ import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistration;
 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
 
 @Beta
-public class InMemorySchemaSourceCache<T extends SchemaSourceRepresentation> extends AbstractSchemaSourceCache<T> implements AutoCloseable {
-    private final List<FinalizablePhantomReference<T>> regs = Collections.synchronizedList(new ArrayList<FinalizablePhantomReference<T>>());
+public class InMemorySchemaSourceCache<T extends SchemaSourceRepresentation> extends AbstractSchemaSourceCache<T>
+        implements AutoCloseable {
+    private final List<FinalizablePhantomReference<T>> regs = Collections.synchronizedList(new ArrayList<>());
     private final FinalizableReferenceQueue queue = new FinalizableReferenceQueue();
     private final Cache<SourceIdentifier, T> cache;
 
-    protected InMemorySchemaSourceCache(final SchemaSourceRegistry consumer, final Class<T> representation, final CacheBuilder<Object, Object> builder) {
+    protected InMemorySchemaSourceCache(final SchemaSourceRegistry consumer, final Class<T> representation,
+            final CacheBuilder<Object, Object> builder) {
         super(consumer, representation, Costs.IMMEDIATE);
         cache = builder.build();
     }
 
-    public static <R extends SchemaSourceRepresentation> InMemorySchemaSourceCache<R> createSoftCache(final SchemaSourceRegistry consumer, final Class<R> representation) {
+    public static <R extends SchemaSourceRepresentation> InMemorySchemaSourceCache<R> createSoftCache(
+            final SchemaSourceRegistry consumer, final Class<R> representation) {
         return new InMemorySchemaSourceCache<>(consumer, representation, CacheBuilder.newBuilder().softValues());
     }
 
+    public static <R extends SchemaSourceRepresentation> InMemorySchemaSourceCache<R> createSoftCache(
+            final SchemaSourceRegistry consumer, final Class<R> representation, final long lifetime,
+            final TimeUnit units) {
+        return new InMemorySchemaSourceCache<>(consumer, representation, CacheBuilder.newBuilder().softValues()
+                .expireAfterAccess(lifetime, units));
+    }
+
     @Override
-    public CheckedFuture<? extends T, SchemaSourceException> getSource(final SourceIdentifier sourceIdentifier) {
+    public FluentFuture<? extends T> getSource(final SourceIdentifier sourceIdentifier) {
         final T present = cache.getIfPresent(sourceIdentifier);
-        if (present != null) {
-            return Futures.immediateCheckedFuture(present);
-        }
-
-        return Futures.<T, SchemaSourceException>immediateFailedCheckedFuture(new MissingSchemaSourceException("Source not found", sourceIdentifier));
+        return present != null ? FluentFutures.immediateFluentFuture(present)
+                : FluentFutures.immediateFailedFluentFuture(new MissingSchemaSourceException("Source not found",
+                    sourceIdentifier));
     }
 
     @Override