Remove binding spec2

[mdsal.git] / binding2 / mdsal-binding2-runtime / src / main / java / org / opendaylight / mdsal / binding / javav2 / runtime / reflection / AugmentationFieldGetter.java

diff --git a/binding2/mdsal-binding2-runtime/src/main/java/org/opendaylight/mdsal/binding/javav2/runtime/reflection/AugmentationFieldGetter.java b/binding2/mdsal-binding2-runtime/src/main/java/org/opendaylight/mdsal/binding/javav2/runtime/reflection/AugmentationFieldGetter.java
deleted file mode 100644 (file)
index 008d741..0000000
--- a/binding2/mdsal-binding2-runtime/src/main/java/org/opendaylight/mdsal/binding/javav2/runtime/reflection/AugmentationFieldGetter.java
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright (c) 2017 Pantheon Technologies s.r.o. 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
- */
-
-package org.opendaylight.mdsal.binding.javav2.runtime.reflection;
-
-import static java.util.Objects.requireNonNull;
-
-import com.google.common.annotations.Beta;
-import com.google.common.cache.CacheBuilder;
-import com.google.common.cache.CacheLoader;
-import com.google.common.cache.LoadingCache;
-import java.lang.invoke.MethodHandle;
-import java.lang.invoke.MethodHandles;
-import java.lang.invoke.MethodHandles.Lookup;
-import java.lang.invoke.MethodType;
-import java.lang.reflect.Field;
-import java.util.Collections;
-import java.util.Map;
-import org.opendaylight.mdsal.binding.javav2.spec.structural.Augmentation;
-import org.opendaylight.mdsal.binding.javav2.spec.structural.AugmentationHolder;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@Beta
-abstract class AugmentationFieldGetter {
-
-    private static final Logger LOG = LoggerFactory.getLogger(AugmentationFieldGetter.class);
-
-    private static final String AUGMENTATION_FIELD = "augmentation";
-
-    private static final AugmentationFieldGetter DUMMY = new AugmentationFieldGetter() {
-        @Override
-        protected Map<Class<? extends Augmentation<?>>, Augmentation<?>> getAugmentations(final Object input) {
-            return Collections.emptyMap();
-        }
-    };
-
-    private static final AugmentationFieldGetter AUGMENTATION_HOLDER_GETTER = new AugmentationFieldGetter() {
-
-        @Override
-        @SuppressWarnings({ "unchecked", "rawtypes" })
-        protected Map<Class<? extends Augmentation<?>>, Augmentation<?>> getAugmentations(final Object input) {
-            return (Map) ((AugmentationHolder<?>) input).augmentations();
-        }
-    };
-
-    private static final LoadingCache<Class<?>, AugmentationFieldGetter> AUGMENTATION_GETTERS =
-            CacheBuilder.newBuilder().weakKeys().build(new AugmentationGetterLoader());
-
-    /**
-     * Retrieves augmentations from supplied object.
-     *
-     * @param input
-     *            - input Data object, from which augmentations should be
-     *            extracted
-     * @return Map of Augmentation class to augmentation
-     */
-    protected abstract Map<Class<? extends Augmentation<?>>, Augmentation<?>> getAugmentations(final Object input);
-
-    public static AugmentationFieldGetter getGetter(final Class<? extends Object> clz) {
-        if (AugmentationHolder.class.isAssignableFrom(clz)) {
-            return AUGMENTATION_HOLDER_GETTER;
-        }
-        return AUGMENTATION_GETTERS.getUnchecked(clz);
-    }
-
-    private static final class AugmentationGetterLoader extends CacheLoader<Class<?>, AugmentationFieldGetter> {
-        private static final MethodType GETTER_TYPE = MethodType.methodType(Map.class, Object.class);
-        private static final Lookup LOOKUP = MethodHandles.lookup();
-
-        @Override
-        public AugmentationFieldGetter load(final Class<?> key) throws IllegalAccessException {
-            final Field field;
-            try {
-                field = key.getDeclaredField(AUGMENTATION_FIELD);
-                field.setAccessible(true);
-            } catch (NoSuchFieldException | SecurityException e) {
-                LOG.warn("Failed to acquire augmentation field {}, ignoring augmentations in class {}",
-                        AUGMENTATION_FIELD, key, e);
-                return DUMMY;
-            }
-            if (!Map.class.isAssignableFrom(field.getType())) {
-                LOG.warn("Class {} field {} is not a Map, ignoring augmentations", key,
-                        AUGMENTATION_FIELD);
-                return DUMMY;
-            }
-
-            return new ReflectionAugmentationFieldGetter(LOOKUP.unreflectGetter(field).asType(GETTER_TYPE));
-        }
-    }
-
-    private static final class ReflectionAugmentationFieldGetter extends AugmentationFieldGetter {
-        private final MethodHandle fieldGetter;
-
-        ReflectionAugmentationFieldGetter(final MethodHandle mh) {
-            this.fieldGetter = requireNonNull(mh);
-        }
-
-        @Override
-        protected Map<Class<? extends Augmentation<?>>, Augmentation<?>> getAugmentations(final Object input) {
-            try {
-                return (Map<Class<? extends Augmentation<?>>, Augmentation<?>>) this.fieldGetter.invokeExact(input);
-            } catch (final Throwable e) {
-                throw new IllegalStateException("Failed to access augmentation field on " + input, e);
-            }
-        }
-    }
-}