+++ /dev/null
-/*
- * Copyright (c) 2017 Cisco Systems, Inc. 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.java.api.generator.range_generators;
-
-import static java.util.Objects.requireNonNull;
-
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableMap.Builder;
-import java.util.Map;
-import javax.annotation.Nonnull;
-import org.opendaylight.mdsal.binding.javav2.model.api.ConcreteType;
-import org.opendaylight.mdsal.binding.javav2.model.api.Type;
-import org.opendaylight.yangtools.yang.model.api.type.RangeConstraint;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public abstract class AbstractRangeGenerator<T extends Number & Comparable<T>> {
- private static final Logger LOG = LoggerFactory.getLogger(AbstractRangeGenerator.class);
- private static final Map<String, AbstractRangeGenerator<?>> GENERATORS;
-
- private static void addGenerator(final Builder<String, AbstractRangeGenerator<?>> builder,
- final AbstractRangeGenerator<?> generator) {
- builder.put(generator.getTypeClass().getCanonicalName(), generator);
- }
-
- static {
- final Builder<String, AbstractRangeGenerator<?>> b = ImmutableMap.builder();
- addGenerator(b, new ByteRangeGenerator());
- addGenerator(b, new ShortRangeGenerator());
- addGenerator(b, new IntegerRangeGenerator());
- addGenerator(b, new LongRangeGenerator());
- addGenerator(b, new Uint8RangeGenerator());
- addGenerator(b, new Uint16RangeGenerator());
- addGenerator(b, new Uint32RangeGenerator());
- addGenerator(b, new Uint64RangeGenerator());
- addGenerator(b, new BigDecimalRangeGenerator());
- addGenerator(b, new BigIntegerRangeGenerator());
- GENERATORS = b.build();
- }
-
- private final Class<T> type;
-
- protected AbstractRangeGenerator(final Class<T> typeClass) {
- this.type = requireNonNull(typeClass);
- }
-
- public static AbstractRangeGenerator<?> forType(@Nonnull final Type type) {
- final ConcreteType javaType = TypeUtils.getBaseYangType(type);
- return GENERATORS.get(javaType.getFullyQualifiedName());
- }
-
- /**
- * Return the type's class.
- *
- * @return A class object
- */
- @Nonnull protected final Class<T> getTypeClass() {
- return type;
- }
-
- /**
- * Return the type's fully-qualified name.
- *
- * @return Fully-qualified name
- */
- @Nonnull protected final String getTypeName() {
- return type.getName();
- }
-
- /**
- * Return the value in the native type from a particular Number instance.
- *
- * @param value Value as a Number
- * @return Value in native format.
- */
- @Nonnull protected final T getValue(final Number value) {
- if (type.isInstance(value)) {
- return type.cast(value);
- }
-
- LOG.debug("Converting value {} from {} to {}", value, value.getClass(), type);
- final T ret = convert(value);
-
- // Check if the conversion lost any precision by performing conversion the other way around
- final AbstractRangeGenerator<?> gen = GENERATORS.get(value.getClass().getName());
- final Number check = gen.convert(ret);
- if (!value.equals(check)) {
- LOG.warn("Number class conversion from {} to {} truncated value {} to {}", value.getClass(),
- type, value, ret);
- }
-
- return ret;
- }
-
- // FIXME: Once BUG-3399 is fixed, we should never need this
- protected abstract T convert(Number value);
-
- /**
- * Format a value into a Java-compilable expression which results in the appropriate
- * type.
- *
- * @param value Number value
- * @return Java language string representation
- */
- @Nonnull protected abstract String format(T value);
-
- /**
- * Generate the checker method source code.
- * @param checkerName Name of the checker method.
- * @param constraint Restrictions which need to be applied.
- * @return Method source code.
- */
- @Nonnull protected abstract String generateRangeCheckerImplementation(@Nonnull String checkerName,
- @Nonnull RangeConstraint<?> constraint);
-
- private static String rangeCheckerName(final String member) {
- return "check" + member + "Range";
- }
-
- public String generateRangeChecker(@Nonnull final String member, @Nonnull final RangeConstraint<?> constraint) {
- return generateRangeCheckerImplementation(rangeCheckerName(member), constraint);
- }
-
- public String generateRangeCheckerCall(@Nonnull final String member, @Nonnull final String valueReference) {
- return rangeCheckerName(member) + '(' + valueReference + ");\n";
- }
-}