/*
* Copyright (c) 2015 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.yangtools.yang.model.util.type;
import com.google.common.annotations.Beta;
import com.google.common.base.Verify;
import java.util.Objects;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
/**
* Builder of {@link TypeDefinitions} for use in leaf statements. While similar to {@link DerivedTypeBuilder}, this
* builder does not support adding of unknown nodes and will return the base type if the type is not modified, hence
* not preserving the schema path.
*
* @param <T> Resulting {@link TypeDefinition}
*/
@Beta
public abstract class ConcreteTypeBuilder<T extends TypeDefinition<T>> extends DerivedTypeBuilder<T> {
ConcreteTypeBuilder(final T baseType, final SchemaPath path) {
super(baseType, path);
if (baseType.getDescription() != null) {
setDescription(baseType.getDescription());
}
if (baseType.getReference() != null) {
setReference(baseType.getReference());
}
if (baseType.getStatus() != null) {
setStatus(baseType.getStatus());
}
}
/**
* Build the resulting type.
*
* @return A new type instance
*/
@Nonnull abstract T buildType();
@Override
public final T build() {
final T base = getBaseType();
if (Objects.equals(getDefaultValue(), base.getDefaultValue()) && Objects.equals(getUnits(), base.getUnits())) {
return base;
}
return Verify.verifyNotNull(buildType());
}
}