Remove binding spec2

[mdsal.git] / binding2 / mdsal-binding2-dom-codec / src / main / java / org / opendaylight / mdsal / binding / javav2 / dom / codec / impl / context / UnionValueOptionContext.java

diff --git a/binding2/mdsal-binding2-dom-codec/src/main/java/org/opendaylight/mdsal/binding/javav2/dom/codec/impl/context/UnionValueOptionContext.java b/binding2/mdsal-binding2-dom-codec/src/main/java/org/opendaylight/mdsal/binding/javav2/dom/codec/impl/context/UnionValueOptionContext.java
deleted file mode 100644 (file)
index e9e125a..0000000
--- a/binding2/mdsal-binding2-dom-codec/src/main/java/org/opendaylight/mdsal/binding/javav2/dom/codec/impl/context/UnionValueOptionContext.java
+++ /dev/null
@@ -1,143 +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.codec.impl.context;
-
-import static java.util.Objects.requireNonNull;
-
-import com.google.common.annotations.Beta;
-import com.google.common.base.Throwables;
-import java.lang.invoke.MethodHandle;
-import java.lang.invoke.MethodHandles;
-import java.lang.invoke.MethodType;
-import java.lang.reflect.Method;
-import org.opendaylight.mdsal.binding.javav2.dom.codec.impl.value.EncapsulatedValueCodec;
-import org.opendaylight.yangtools.concepts.Codec;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Context for serializing input value of union type and deserializing objects to binding.
- *
- */
-@Beta
-public class UnionValueOptionContext {
-
-    private static final Logger LOG = LoggerFactory.getLogger(UnionValueOptionContext.class);
-
-    private static final MethodType OBJECT_TYPE = MethodType.methodType(Object.class, Object.class);
-
-    private final Class<?> bindingType;
-    private final Codec<Object, Object> codec;
-    private final MethodHandle getter;
-    private final MethodHandle unionCtor;
-
-    /**
-     * Prepare union as binding object and codec for this object, make a direct method handle of getting union
-     * type and constructor of union type for initializing it.
-     *
-     * @param unionType
-     *            - union as binding object
-     * @param valueType
-     *            - returned type of union
-     * @param getter
-     *            - method for getting union type
-     * @param codec
-     *            - codec for serialize/deserialize type of union
-     */
-    public UnionValueOptionContext(final Class<?> unionType, final Class<?> valueType, final Method getter,
-            final Codec<Object, Object> codec) {
-        this.bindingType = requireNonNull(valueType);
-        this.codec = requireNonNull(codec);
-
-        try {
-            this.getter = MethodHandles.publicLookup().unreflect(getter).asType(OBJECT_TYPE);
-        } catch (final IllegalAccessException e) {
-            throw new IllegalStateException("Failed to access method " + getter, e);
-        }
-
-        try {
-            this.unionCtor = MethodHandles.publicLookup()
-                    .findConstructor(unionType, MethodType.methodType(void.class, valueType)).asType(OBJECT_TYPE);
-        } catch (IllegalAccessException | NoSuchMethodException e) {
-            throw new IllegalStateException(
-                    String.format("Failed to access constructor for %s in type %s", valueType, unionType), e);
-        }
-    }
-
-    /**
-     * Serialize input based on prepared codec.
-     *
-     * @param input
-     *            - object to serialize
-     * @return serialized objetc
-     */
-    public Object serialize(final Object input) {
-        final Object baValue = getValueFrom(input);
-        return baValue == null ? null : codec.serialize(baValue);
-    }
-
-    /**
-     * Deserialize input object via prepared codec for invoking new object of union as binding.
-     *
-     * @param input
-     *            - input object for deserializing
-     * @return deserialized union binding type object
-     */
-    @SuppressWarnings("checkstyle:illegalCatch")
-    public Object deserializeUnion(final Object input) {
-        // Side-step potential exceptions by checking the type if it is available
-        if (codec instanceof EncapsulatedValueCodec && !((EncapsulatedValueCodec) codec).canAcceptObject(input)) {
-            return null;
-        }
-
-        final Object value;
-        try {
-            value = codec.deserialize(input);
-        } catch (final Exception e) {
-            LOG.debug("Codec {} failed to deserialize input {}", codec, input, e);
-            return null;
-        }
-
-        try {
-            return unionCtor.invokeExact(value);
-        } catch (final ClassCastException e) {
-            // This case can happen. e.g. NOOP_CODEC
-            LOG.debug("Failed to instantiate {} for input {} value {}", bindingType, input, value, e);
-            return null;
-        } catch (final Throwable e) {
-            throw new IllegalArgumentException("Failed to construct union for value " + value, e);
-        }
-    }
-
-    @SuppressWarnings("checkstyle:illegalCatch")
-    private Object getValueFrom(final Object input) {
-        try {
-            return getter.invokeExact(input);
-        } catch (final Throwable e) {
-            throw Throwables.propagate(e);
-        }
-    }
-
-    @Override
-    public int hashCode() {
-        return bindingType.hashCode();
-    }
-
-    @Override
-    public boolean equals(final Object obj) {
-        if (this == obj) {
-            return true;
-        }
-        if (!(obj instanceof UnionValueOptionContext)) {
-            return false;
-        }
-
-        final UnionValueOptionContext other = (UnionValueOptionContext) obj;
-        return bindingType.equals(other.bindingType);
-    }
-}