Remove binding spec2

[mdsal.git] / binding2 / mdsal-binding2-dom-adapter / src / main / java / org / opendaylight / mdsal / binding / javav2 / dom / adapter / extractor / ContextReferenceExtractor.java

diff --git a/binding2/mdsal-binding2-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/javav2/dom/adapter/extractor/ContextReferenceExtractor.java b/binding2/mdsal-binding2-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/javav2/dom/adapter/extractor/ContextReferenceExtractor.java
deleted file mode 100644 (file)
index a9bc0d6..0000000
--- a/binding2/mdsal-binding2-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/javav2/dom/adapter/extractor/ContextReferenceExtractor.java
+++ /dev/null
@@ -1,119 +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.dom.adapter.extractor;
-
-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.reflect.Method;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import org.opendaylight.mdsal.binding.javav2.api.annotation.RoutingContext;
-import org.opendaylight.mdsal.binding.javav2.spec.base.InstanceIdentifier;
-import org.opendaylight.mdsal.binding.javav2.spec.base.TreeNode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Tree node reference extractor.
- */
-@Beta
-public abstract class ContextReferenceExtractor {
-
-    private static final Logger LOG = LoggerFactory.getLogger(ContextReferenceExtractor.class);
-    private static final String GET_VALUE_NAME = "getValue";
-
-    private static final ContextReferenceExtractor NULL_EXTRACTOR = new ContextReferenceExtractor() {
-
-        @Nullable
-        @Override
-        public InstanceIdentifier<? extends TreeNode> extract(final TreeNode obj) {
-            return null;
-        }
-    };
-
-    private static final LoadingCache<Class<?>, ContextReferenceExtractor> EXTRACTORS =
-            CacheBuilder.newBuilder().weakKeys().build(new CacheLoader<Class<?>, ContextReferenceExtractor>() {
-
-                @Nonnull
-                @Override
-                public ContextReferenceExtractor load(@Nonnull final Class<?> key) throws Exception {
-                    return create(key);
-                }
-
-                private ContextReferenceExtractor create(final Class<?> key) {
-                    final Method contextGetter = getContextGetter(key);
-                    if (contextGetter == null) {
-                        return NULL_EXTRACTOR;
-                    }
-                    final Class<?> returnType = contextGetter.getReturnType();
-                    try {
-                        if (InstanceIdentifier.class.isAssignableFrom(returnType)) {
-                            return DirectGetterRouteContextExtractor.create(contextGetter);
-                        }
-                        final Method getValueMethod = findGetValueMethod(returnType);
-                        if (getValueMethod != null) {
-                            return GetValueRouteContextExtractor.create(contextGetter, getValueMethod);
-                        } else {
-                            LOG.warn("Class {} can not be used to determine context, falling back to NULL_EXTRACTOR.",
-                                    returnType);
-                        }
-                    } catch (final IllegalAccessException e) {
-                        LOG.warn("Class {} does not conform to Binding Specification. Falling back to NULL_EXTRACTOR",
-                                e);
-                    }
-                    return NULL_EXTRACTOR;
-                }
-
-                private Method getContextGetter(final Class<?> key) {
-                    for (final Method method : key.getMethods()) {
-                        if (method.getAnnotation(RoutingContext.class) != null) {
-                            return method;
-                        }
-                    }
-                    return null;
-                }
-            });
-
-    /**
-     * Extract context-reference (Instance Identifier) from Binding TreeNode.
-     *
-     * @param input
-     *            - TreeNode from which context reference should be extracted.
-     *
-     * @return Instance Identifier representing context reference or null, if tree node does not contain
-     *         context reference.
-     */
-    @Nullable
-    public abstract InstanceIdentifier<? extends TreeNode> extract(TreeNode input);
-
-    /**
-     * Method for return specific extractor of input object.
-     *
-     * @param obj
-     *            - object for get specific extractor
-     * @return specific extractor
-     */
-    public static ContextReferenceExtractor from(final Class<?> obj) {
-        return EXTRACTORS.getUnchecked(obj);
-    }
-
-    private static Method findGetValueMethod(final Class<?> type) {
-        try {
-            final Method method = type.getMethod(GET_VALUE_NAME);
-            if (InstanceIdentifier.class.equals(method.getReturnType())) {
-                return method;
-            }
-        } catch (final NoSuchMethodException e) {
-            LOG.warn("Value class {} does not comform to Binding Specification.", type, e);
-        }
-        return null;
-    }
-}
-