Cache reflection operations in AbstractSchemaAwareTest

[controller.git] / opendaylight / md-sal / sal-binding-broker / src / test / java / org / opendaylight / controller / md / sal / binding / test / AbstractSchemaAwareTest.java

diff --git a/opendaylight/md-sal/sal-binding-broker/src/test/java/org/opendaylight/controller/md/sal/binding/test/AbstractSchemaAwareTest.java b/opendaylight/md-sal/sal-binding-broker/src/test/java/org/opendaylight/controller/md/sal/binding/test/AbstractSchemaAwareTest.java
index 6d758aa7bd7a651f585314be5b81b86c03279433..db77bc5799fe494b1a1bc9f091c55569f4b6e813 100644 (file)
--- a/opendaylight/md-sal/sal-binding-broker/src/test/java/org/opendaylight/controller/md/sal/binding/test/AbstractSchemaAwareTest.java
+++ b/opendaylight/md-sal/sal-binding-broker/src/test/java/org/opendaylight/controller/md/sal/binding/test/AbstractSchemaAwareTest.java
@@ -7,37 +7,52 @@
  */
 package org.opendaylight.controller.md.sal.binding.test;
 
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
+import com.google.common.collect.ImmutableSet;
+import java.util.Set;
 import org.junit.Before;
-import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
+import org.opendaylight.mdsal.binding.generator.impl.ModuleInfoBackedContext;
+import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
-import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 
-public abstract class AbstractSchemaAwareTest  {
-
-    private Iterable<YangModuleInfo> moduleInfos;
-    private SchemaContext schemaContext;
-
-
-    protected Iterable<YangModuleInfo> getModuleInfos() throws Exception {
-        return BindingReflections.loadModuleInfos();
+public abstract class AbstractSchemaAwareTest {
+    private static final LoadingCache<ClassLoader, Set<YangModuleInfo>> MODULE_INFO_CACHE = CacheBuilder.newBuilder()
+            .weakKeys().weakValues().build(new CacheLoader<ClassLoader, Set<YangModuleInfo>>() {
+                @Override
+                public Set<YangModuleInfo> load(final ClassLoader key) {
+                    return BindingReflections.loadModuleInfos(key);
+                }
+            });
+    private static final LoadingCache<Set<YangModuleInfo>, SchemaContext> SCHEMA_CONTEXT_CACHE =
+            CacheBuilder.newBuilder().weakValues().build(new CacheLoader<Set<YangModuleInfo>, SchemaContext>() {
+                @Override
+                public SchemaContext load(final Set<YangModuleInfo> key) {
+                    final ModuleInfoBackedContext moduleContext = ModuleInfoBackedContext.create();
+                    moduleContext.addModuleInfos(key);
+                    return moduleContext.tryToCreateSchemaContext().get();
+                }
+            });
+
+    protected Set<YangModuleInfo> getModuleInfos() throws Exception {
+        return MODULE_INFO_CACHE.getUnchecked(Thread.currentThread().getContextClassLoader());
     }
 
+    protected SchemaContext getSchemaContext() throws Exception {
+        // ImmutableSet guarantees non-null
+        return SCHEMA_CONTEXT_CACHE.getUnchecked(ImmutableSet.copyOf(getModuleInfos()));
+    }
 
     @Before
     public final void setup() throws Exception {
-        moduleInfos = getModuleInfos();
-        ModuleInfoBackedContext moduleContext = ModuleInfoBackedContext.create();
-        moduleContext.addModuleInfos(moduleInfos);
-        schemaContext = moduleContext.tryToCreateSchemaContext().get();
-        setupWithSchema(schemaContext);
+        setupWithSchema(getSchemaContext());
     }
 
     /**
      * Setups test with Schema context.
      * This method is called before {@link #setupWithSchemaService(SchemaService)}
-     *
-     * @param context
      */
     protected abstract void setupWithSchema(SchemaContext context);