binding/mdsal-binding-dom-adapter/src/test/java/org/opendaylight/mdsal/binding/dom/adapter/test/AbstractSchemaAwareTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.mdsal.binding.dom.adapter.test;
   9
  10 import com.google.common.cache.CacheBuilder;
  11 import com.google.common.cache.CacheLoader;
  12 import com.google.common.cache.LoadingCache;
  13 import com.google.common.collect.ImmutableSet;
  14 import java.util.Set;
  15 import org.junit.Before;
  16 import org.opendaylight.mdsal.binding.generator.impl.ModuleInfoBackedContext;
  17 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
  18 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
  19 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  20
  21 public abstract class AbstractSchemaAwareTest {
  22     private static final LoadingCache<ClassLoader, Set<YangModuleInfo>> MODULE_INFO_CACHE = CacheBuilder.newBuilder()
  23             .weakKeys().weakValues().build(new CacheLoader<ClassLoader, Set<YangModuleInfo>>() {
  24                 @Override
  25                 public Set<YangModuleInfo> load(final ClassLoader key) {
  26                     return BindingReflections.loadModuleInfos(key);
  27                 }
  28             });
  29     private static final LoadingCache<Set<YangModuleInfo>, SchemaContext> SCHEMA_CONTEXT_CACHE =
  30             CacheBuilder.newBuilder().weakValues().build(new CacheLoader<Set<YangModuleInfo>, SchemaContext>() {
  31                 @Override
  32                 public SchemaContext load(final Set<YangModuleInfo> key) {
  33                     final ModuleInfoBackedContext moduleContext = ModuleInfoBackedContext.create();
  34                     moduleContext.addModuleInfos(key);
  35                     return moduleContext.tryToCreateSchemaContext().get();
  36                 }
  37             });
  38
  39     @Before
  40     public final void setup() throws Exception {
  41         setupWithSchema(getSchemaContext());
  42     }
  43
  44     protected Set<YangModuleInfo> getModuleInfos() throws Exception {
  45         return MODULE_INFO_CACHE.getUnchecked(Thread.currentThread().getContextClassLoader());
  46     }
  47
  48     protected SchemaContext getSchemaContext() throws Exception {
  49         // ImmutableSet guarantees non-null
  50         return SCHEMA_CONTEXT_CACHE.getUnchecked(ImmutableSet.copyOf(getModuleInfos()));
  51     }
  52
  53     /**
  54      * Setups test with Schema context.
  55      *
  56      * @param context schema context
  57      */
  58     protected abstract void setupWithSchema(SchemaContext context);
  59 }